In my case, I had to create a new app, reinstall my node packages, and copy my src document over. That worked.

You can use /* tslint:disable-next-line */ to locally disable tslint. However, as this is a compiler error disabling tslint might not help.

You can always temporarily cast $ to any:

delete ($ as any).summernote.options.keyMap.pc.TAB

which will allow you to access whatever properties you want.

Edit: As of Typescript 2.6, you can now bypass a compiler error/warning for a specific line:

if (false) {
    // @ts-ignore: Unreachable code error
    console.log("hello");
}

Note that the official docs "recommend you use [this] very sparingly". It is almost always preferable to cast to any instead as that better expresses intent.

I fixed it by deleting my app.config with

<assemblyIdentity name="System.Runtime" ....> 

entries.

app.config was automatically added (but not needed) during refactoring

I will leave this here as a possible fix, worked for me at least and might help others. Pretty sure this would be a linux only fix.

I decided to not go with the pip install and go with the github version (option one on the installation guide).

Instead of placing the copied docker-compose directory into /usr/local/bin/docker-compose from the curl/github command, I went with /usr/bin/docker-compose which is the location of Docker itself and will force the program to run in root. So it works in root and sudo but now won't work without sudo so the opposite effect which is what you want to run it as a user anyways.

Suppose you want to load RegistrationComponent on load and then ConfirmationComponent on some event click on RegistrationComponent.

So in appModule.ts, you can write like this.

RouterModule.forRoot([
      { 
        path: '', 
        redirectTo: 'registration', 
        pathMatch: 'full'
       },
       { 
        path: 'registration', 
        component: RegistrationComponent
       },
      {
        path : 'confirmation',
        component: ConfirmationComponent
      }
    ]) 

OR

RouterModule.forRoot([
       { 
        path: '', 
        component: RegistrationComponent
       },
      {
        path : 'confirmation',
        component: ConfirmationComponent
      }
    ]) 

is also fine. Choose whatever you like.

In PyCharm go to

1. File ? Settings, or use Ctrl + Alt + S
2. < project name > ? Project Interpreter ? gear symbol ? Add Local
3. navigate to C:\Miniconda3\envs\my_env\python.exe, where my_env is the environment you want to use

Alternatively, in step 3 use C:\Miniconda3\python.exe if you did not create any further environments (if you never invoked conda create -n my_env python=3).

You can get a list of your current environments with conda info -e and switch to one of them using activate my_env.

What you really want may simply be an enumeration

If you're looking for something that behaves like an enumeration (because I see you are defining an object and attaching a sequential ID 0, 1, 2 and contains a name field that you don't want to misspell (e.g. name vs naaame), you're better off defining an enumeration because the sequential ID is taken care of automatically, and provides type verification for you out of the box.

enum TestStatus {
    Available,     // 0
    Ready,         // 1
    Started,       // 2
}

class Test {
    status: TestStatus
}

var test = new Test();
test.status = TestStatus.Available; // type and spelling is checked for you,
                                    // and the sequence ID is automatic

The values above will be automatically mapped, e.g. "0" for "Available", and you can access them using TestStatus.Available. And Typescript will enforce the type when you pass those around.

If you insist on defining a new type as an array of your custom type

You wanted an array of objects, (not exactly an object with keys "0", "1" and "2"), so let's define the type of the object, first, then a type of a containing array.

class TestStatus {
    id: number
    name: string

    constructor(id, name){
        this.id = id;
        this.name = name;
    }
}

type Statuses = Array<TestStatus>;

var statuses: Statuses = [
    new TestStatus(0, "Available"),
    new TestStatus(1, "Ready"),
    new TestStatus(2, "Started")
]

Bearer authentication in OpenAPI 3.0.0

OpenAPI 3.0 now supports Bearer/JWT authentication natively. It's defined like this:

openapi: 3.0.0
...

components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT  # optional, for documentation purposes only

security:
  - bearerAuth: []

This is supported in Swagger UI 3.4.0+ and Swagger Editor 3.1.12+ (again, for OpenAPI 3.0 specs only!).

UI will display the "Authorize" button, which you can click and enter the bearer token (just the token itself, without the "Bearer " prefix). After that, "try it out" requests will be sent with the Authorization: Bearer xxxxxx header.

Adding Authorization header programmatically (Swagger UI 3.x)

If you use Swagger UI and, for some reason, need to add the Authorization header programmatically instead of having the users click "Authorize" and enter the token, you can use the requestInterceptor. This solution is for Swagger UI 3.x; UI 2.x used a different technique.

// index.html

const ui = SwaggerUIBundle({
  url: "http://your.server.com/swagger.json",
  ...

  requestInterceptor: (req) => {
    req.headers.Authorization = "Bearer xxxxxxx"
    return req
  }
})

This is caused by non-matching Spring Boot dependencies. Check your classpath to find the offending resources. You have explicitly included version 1.1.8.RELEASE, but you have also included 3 other projects. Those likely contain different Spring Boot versions, leading to this error.

I was having the problem as a beginner..........

There was issue in the path of the xml file I have saved.

First of all, @Fetch(FetchMode.JOIN) and @ManyToOne(fetch = FetchType.LAZY) are antagonistic because @Fetch(FetchMode.JOIN) is equivalent to the JPA FetchType.EAGER.

Eager fetching is rarely a good choice, and for predictable behavior, you are better off using the query-time JOIN FETCH directive:

public interface PlaceRepository extends JpaRepository<Place, Long>, PlaceRepositoryCustom {

    @Query(value = "SELECT p FROM Place p LEFT JOIN FETCH p.author LEFT JOIN FETCH p.city c LEFT JOIN FETCH c.state where p.id = :id")
    Place findById(@Param("id") int id);
}

public interface CityRepository extends JpaRepository<City, Long>, CityRepositoryCustom { 
    @Query(value = "SELECT c FROM City c LEFT JOIN FETCH c.state where c.id = :id")   
    City findById(@Param("id") int id);
}

One graph can replace many words:

Enjoy! :-)

# I have updated the correct image...

In your controller class, just add @ComponentScan("package") annotation. In my case the package name is com.shoppingcart.So i wrote the code as @ComponentScan("com.shoppingcart") and it worked for me.

I was curious about this as well and found a few interesting articles. I may not answer your question to its full extent, but this at least provides some more information.

http://restful-api-design.readthedocs.org/en/latest/methods.html

The HTTP RFC specifies that PUT must take a full new resource representation as the request entity. This means that if for example only certain attributes are provided, those should be remove (i.e. set to null).

Given that, then a PUT should send the entire object. For instance,

/users/1
PUT {id: 1, username: 'skwee357', email: '[email protected]'}

This would effectively update the email. The reason PUT may not be too effective is that your only really modifying one field and including the username is kind of useless. The next example shows the difference.

/users/1
PUT {id: 1, email: '[email protected]'}

Now, if the PUT was designed according the spec, then the PUT would set the username to null and you would get the following back.

{id: 1, username: null, email: '[email protected]'}

When you use a PATCH, you only update the field you specify and leave the rest alone as in your example.

The following take on the PATCH is a little different than I have never seen before.

http://williamdurand.fr/2014/02/14/please-do-not-patch-like-an-idiot/

The difference between the PUT and PATCH requests is reflected in the way the server processes the enclosed entity to modify the resource identified by the Request-URI. In a PUT request, the enclosed entity is considered to be a modified version of the resource stored on the origin server, and the client is requesting that the stored version be replaced. With PATCH, however, the enclosed entity contains a set of instructions describing how a resource currently residing on the origin server should be modified to produce a new version. The PATCH method affects the resource identified by the Request-URI, and it also MAY have side effects on other resources; i.e., new resources may be created, or existing ones modified, by the application of a PATCH.

PATCH /users/123

[
    { "op": "replace", "path": "/email", "value": "[email protected]" }
]

You are more or less treating the PATCH as a way to update a field. So instead of sending over the partial object, you're sending over the operation. i.e. Replace email with value.

The article ends with this.

It is worth mentioning that PATCH is not really designed for truly REST APIs, as Fielding's dissertation does not define any way to partially modify resources. But, Roy Fielding himself said that PATCH was something [he] created for the initial HTTP/1.1 proposal because partial PUT is never RESTful. Sure you are not transferring a complete representation, but REST does not require representations to be complete anyway.

Now, I don't know if I particularly agree with the article as many commentators point out. Sending over a partial representation can easily be a description of the changes.

For me, I am mixed on using PATCH. For the most part, I will treat PUT as a PATCH since the only real difference I have noticed so far is that PUT "should" set missing values to null. It may not be the 'most correct' way to do it, but good luck coding perfect.

From the looks of things you haven't passed enough data to Spring Boot to configure the datasource

Create/In your existing application.properties add the following

spring.datasource.driverClassName=
spring.datasource.url=
spring.datasource.username=
spring.datasource.password=

making sure you append a value for each of properties.

When moving classes into specific packages like repository, controller, domain just the generic @SpringBootApplication is not enough.

You will have to specify the base package for component scan

@ComponentScan("base_package")

For JPA

@EnableJpaRepositories(basePackages = "repository")

is also needed, so spring data will know where to look into for repository interfaces.

You can put your servers in the default_step group and those vars will apply to it:

# inventory file
[default_step]
prod2
web_v2

Then just move your default_step.yml file to group_vars/default_step.yml.

In this class above @Repository just placed one more annotation @Transactional it will work. If it works reply back(Y/N):

@Repository
@Transactional
public class StudentDAOImpl implements StudentDAO

Also you can do this.

            interface IenumServiceGetOrderBy {
                id: number; 
                label: string; 
                key: any;
            }

            // notice i am not using the []
            var oneResult: IenumServiceGetOrderBy = { id: 0, label: 'CId', key: 'contentId'};

            //notice i am using []
            // it is read like "array of IenumServiceGetOrderBy"
            var ArrayOfResult: IenumServiceGetOrderBy[] = 
            [
                { id: 0, label: 'CId', key: 'contentId' },
                { id: 1, label: 'Modified By', key: 'modifiedBy' },
                { id: 2, label: 'Modified Date', key: 'modified' },
                { id: 3, label: 'Status', key: 'contentStatusId' },
                { id: 4, label: 'Status > Type', key: ['contentStatusId', 'contentTypeId'] },
                { id: 5, label: 'Title', key: 'title' },
                { id: 6, label: 'Type', key: 'contentTypeId' },
                { id: 7, label: 'Type > Status', key: ['contentTypeId', 'contentStatusId'] }
            ];

Both the static and class keywords allow us to attach methods to a class rather than to instances of a class. For example, you might create a Student class with properties such as name and age, then create a static method numberOfStudents that is owned by the Student class itself rather than individual instances.

Where static and class differ is how they support inheritance. When you make a static method it becomes owned by the class and can't be changed by subclasses, whereas when you use class it may be overridden if needed.

Here is an Example code:

  class Vehicle {
    static func getCurrentSpeed() -> Int {
        return 0
    }

    class func getCurrentNumberOfPassengers() -> Int {
        return 0
    } 

  }

  class Bicycle: Vehicle {
    //This is not allowed
    //Compiler error: "Cannot override static method"
  //  static override func getCurrentSpeed() -> Int {
  //        return 15
  //  }

      class override func getCurrentNumberOfPassengers() -> Int {
        return 1
      }
  }

If you are using intellij, then try restarting intellij cache

1. File-> Invalidate cache/restart
2. clean and build project

See if it works, it worked for me.

I'd the same problem and excluding the DataSourceAutoConfiguration solved the problem.

@SpringBootApplication
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
public class RecommendationEngineWithCassandraApplication {

    public static void main(String[] args) {
        SpringApplication.run(RecommendationEngineWithCassandraApplication.class, args);
    }
}

I have been getting similar error, and just want to share with you. maybe it will help someone.

If you want to use EntityManagerFactory to get an EntityManager, make sure that you will use:

<persistence-unit name="name" transaction-type="RESOURCE_LOCAL">

and not:

<persistence-unit name="name" transaction-type="JPA">

in persistance.xml

clean and rebuild project, it should help.

This code will always fail.

As written, it says: "Look for a property named "Employee" on my DataContext property, and set it to the DataContext property". Clearly that isn't right.

To get your code to work, as is, change your window declaration to:

<Window x:Class="SampleApplication.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:SampleApplication"
    Title="MainWindow" Height="350" Width="525">
<Window.DataContext>
   <local:Employee/>
</Window.DataContext>

This declares a new XAML namespace (local) and sets the DataContext to an instance of the Employee class. This will cause your bindings to display the default data (from your constructor).

However, it is highly unlikely this is actually what you want. Instead, you should have a new class (call it MainViewModel) with an Employee property that you then bind to, like this:

public class MainViewModel
{
   public Employee MyEmployee { get; set; } //In reality this should utilize INotifyPropertyChanged!
}

Now your XAML becomes:

<Window x:Class="SampleApplication.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:SampleApplication"
        Title="MainWindow" Height="350" Width="525">
    <Window.DataContext>
       <local:MainViewModel/>
    </Window.DataContext>
    ...
    <TextBox Grid.Column="1" Grid.Row="0" Margin="3" Text="{Binding MyEmployee.EmpID}" />
    <TextBox Grid.Column="1" Grid.Row="1" Margin="3" Text="{Binding MyEmployee.EmpName}" />

Now you can add other properties (of other types, names), etc. For more information, see Implementing the Model-View-ViewModel Pattern

You are missing spring-security-web-3.1.X.RELEASE.jar from your classpath

For a quick fix or test, I find it handy just adding #define _CRT_SECURE_NO_WARNINGS to the top of the file before all #include

#define _CRT_SECURE_NO_WARNINGS
#include ...
int main(){
    //...
}

You could use border-top-left-radius and border-top-right-radius properties to round the corners on the box according to the box's height (and added borders).

Then add a border to top/right/left sides of the box to achieve the effect.

Here you go:

.half-circle {
    width: 200px;
    height: 100px; /* as the half of the width */
    background-color: gold;
    border-top-left-radius: 110px;  /* 100px of height + 10px of border */
    border-top-right-radius: 110px; /* 100px of height + 10px of border */
    border: 10px solid gray;
    border-bottom: 0;
}

WORKING DEMO.

Alternatively, you could add box-sizing: border-box to the box in order to calculate the width/height of the box including borders and padding.

.half-circle {
    width: 200px;
    height: 100px; /* as the half of the width */
    border-top-left-radius: 100px;
    border-top-right-radius: 100px;
    border: 10px solid gray;
    border-bottom: 0;

    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

UPDATED DEMO. (Demo without background color)

For me an explicit set on the arguments section of the external tools configuration in Eclipse was the problem.

I update my Hibernate JPA to 2.1 and It works.

<dependency>
    <groupId>org.hibernate.javax.persistence</groupId>
    <artifactId>hibernate-jpa-2.1-api</artifactId>
    <version>1.0.0.Final</version>
</dependency>

I thought I would contribute by providing a concrete example of the practical use of the scale function. Say you have 3 test scores (Math, Science, and English) that you want to compare. Maybe you may even want to generate a composite score based on each of the 3 tests for each observation. Your data could look as as thus:

student_id <- seq(1,10)
math <- c(502,600,412,358,495,512,410,625,573,522)
science <- c(95,99,80,82,75,85,80,95,89,86)
english <- c(25,22,18,15,20,28,15,30,27,18)
df <- data.frame(student_id,math,science,english)

Obviously it would not make sense to compare the means of these 3 scores as the scale of the scores are vastly different. By scaling them however, you have more comparable scoring units:

z <- scale(df[,2:4],center=TRUE,scale=TRUE)

You could then use these scaled results to create a composite score. For instance, average the values and assign a grade based on the percentiles of this average. Hope this helped!

Note: I borrowed this example from the book "R In Action". It's a great book! Would definitely recommend.

With Spring Boot :

In the pom.xml

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <addResources>true</addResources>
            </configuration>
        </plugin>
    </plugins>
</build>

Example in class Java

@Configuration
@Slf4j
public class MyAppConfig {
    @Value("${foo}")
    private String foo;
    @Value("${bar}")
    private String bar;
    @Bean("foo")
    public String foo() {
        log.info("foo={}", foo);
        return foo;
    }
    @Bean("bar")
    public String bar() {
        log.info("bar={}", bar);
        return bar;
    }
    [ ... ]

In the properties files :

src/main/resources/application.properties

foo=all-env-foo

src/main/resources/application-rec.properties

bar=rec-bar

src/main/resources/application-prod.properties

bar=prod-bar

In the VM arguments of Application.java

-Dspring.profiles.active=[rec|prod]

Don't forget to run mvn command after modifying the properties !

mvn clean package -Dmaven.test.skip=true

In the log file for -Dspring.profiles.active=rec :

The following profiles are active: rec
foo=all-env-foo
bar=rec-bar

In the log file for -Dspring.profiles.active=prod :

The following profiles are active: prod
foo=all-env-foo
bar=prod-bar

In the log file for -Dspring.profiles.active=local :

Could not resolve placeholder 'bar' in value "${bar}"

Oups, I forget to create application-local.properties.

I had this issue until I removed the project in question from the server's deployments (in JBoss Dev Studio, right-click the server and "Remove" the project in the Servers view), then did the following:

1. Restarted the JBoss EAP 6.1 server without any projects deployed.
2. Once the server had started, I then added the project in question to the server.

After this, just restart the server (in debug or run mode) by selecting the server, NOT the project itself.

This seemed to flush any previous settings/states/memory/whatever that was causing the issue, and I no longer got the error.

You can declare trk by the following ways : - either

trk : [{
    lat : String,
    lng : String
     }]

or

trk : { type : Array , "default" : [] }

In the second case during insertion make the object and push it into the array like

db.update({'Searching criteria goes here'},
{
 $push : {
    trk :  {
             "lat": 50.3293714,
             "lng": 6.9389939
           } //inserted data is the object to be inserted 
  }
});

or you can set the Array of object by

db.update ({'seraching criteria goes here ' },
{
 $set : {
          trk : [ {
                     "lat": 50.3293714,
                     "lng": 6.9389939
                  },
                  {
                     "lat": 50.3293284,
                     "lng": 6.9389634
                  }
               ]//'inserted Array containing the list of object'
      }
});

In WPF there are certain 'container' controls that automatically resize their contents and there are some that don't.

Here are some that do not resize their contents (I'm guessing that you are using one or more of these):

StackPanel
WrapPanel
Canvas
TabControl

Here are some that do resize their contents:

Grid
UniformGrid
DockPanel

Therefore, it is almost always preferable to use a Grid instead of a StackPanel unless you do not want automatic resizing to occur. Please note that it is still possible for a Grid to not size its inner controls... it all depends on your Grid.RowDefinition and Grid.ColumnDefinition settings:

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="100" /> <!--<<< Exact Height... won't resize -->
        <RowDefinition Height="Auto" /> <!--<<< Will resize to the size of contents -->
        <RowDefinition Height="*" /> <!--<<< Will resize taking all remaining space -->
    </Grid.RowDefinitions>
</Grid>

You can find out more about the Grid control from the Grid Class page on MSDN. You can also find out more about these container controls from the WPF Container Controls Overview page on MSDN.

Further resizing can be achieved using the FrameworkElement.HorizontalAlignment and FrameworkElement.VerticalAlignment properties. The default value of these properties is Stretch which will stretch elements to fit the size of their containing controls. However, when they are set to any other value, the elements will not stretch.

UPDATE >>>

In response to the questions in your comment:

Use the Grid.RowDefinition and Grid.ColumnDefinition settings to organise a basic structure first... it is common to add Grid controls into the cells of outer Grid controls if need be. You can also use the Grid.ColumnSpan and Grid.RowSpan properties to enable controls to span multiple columns and/or rows of a Grid.

It is most common to have at least one row/column with a Height/Width of "*" which will fill all remaining space, but you can have two or more with this setting, in which case the remaining space will be split between the two (or more) rows/columns. 'Auto' is a good setting to use for the rows/columns that are not set to '"*"', but it really depends on how you want the layout to be.

There is no Auto setting that you can use on the controls in the cells, but this is just as well, because we want the Grid to size the controls for us... therefore, we don't want to set the Height or Width of these controls at all.

The point that I made about the FrameworkElement.HorizontalAlignment and FrameworkElement.VerticalAlignment properties was just to let you know of their existence... as their default value is already Stretch, you don't generally need to set them explicitly.

The Margin property is generally just used to space your controls out evenly... if you drag and drop controls from the Visual Studio Toolbox, VS will set the Margin property to place your control exactly where you dropped it but generally, this is not what we want as it will mess with the auto sizing of controls. If you do this, then just delete or edit the Margin property to suit your needs.

I've solved my problems, so I post here the correct code in case someone needs similar stuff.

Open Port

int USB = open( "/dev/ttyUSB0", O_RDWR| O_NOCTTY );

Set parameters

struct termios tty;
struct termios tty_old;
memset (&tty, 0, sizeof tty);

/* Error Handling */
if ( tcgetattr ( USB, &tty ) != 0 ) {
   std::cout << "Error " << errno << " from tcgetattr: " << strerror(errno) << std::endl;
}

/* Save old tty parameters */
tty_old = tty;

/* Set Baud Rate */
cfsetospeed (&tty, (speed_t)B9600);
cfsetispeed (&tty, (speed_t)B9600);

/* Setting other Port Stuff */
tty.c_cflag     &=  ~PARENB;            // Make 8n1
tty.c_cflag     &=  ~CSTOPB;
tty.c_cflag     &=  ~CSIZE;
tty.c_cflag     |=  CS8;

tty.c_cflag     &=  ~CRTSCTS;           // no flow control
tty.c_cc[VMIN]   =  1;                  // read doesn't block
tty.c_cc[VTIME]  =  5;                  // 0.5 seconds read timeout
tty.c_cflag     |=  CREAD | CLOCAL;     // turn on READ & ignore ctrl lines

/* Make raw */
cfmakeraw(&tty);

/* Flush Port, then applies attributes */
tcflush( USB, TCIFLUSH );
if ( tcsetattr ( USB, TCSANOW, &tty ) != 0) {
   std::cout << "Error " << errno << " from tcsetattr" << std::endl;
}

Write

unsigned char cmd[] = "INIT \r";
int n_written = 0,
    spot = 0;

do {
    n_written = write( USB, &cmd[spot], 1 );
    spot += n_written;
} while (cmd[spot-1] != '\r' && n_written > 0);

It was definitely not necessary to write byte per byte, also int n_written = write( USB, cmd, sizeof(cmd) -1) worked fine.

At last, read:

int n = 0,
    spot = 0;
char buf = '\0';

/* Whole response*/
char response[1024];
memset(response, '\0', sizeof response);

do {
    n = read( USB, &buf, 1 );
    sprintf( &response[spot], "%c", buf );
    spot += n;
} while( buf != '\r' && n > 0);

if (n < 0) {
    std::cout << "Error reading: " << strerror(errno) << std::endl;
}
else if (n == 0) {
    std::cout << "Read nothing!" << std::endl;
}
else {
    std::cout << "Response: " << response << std::endl;
}

This one worked for me. Thank you all!

You have #include "fun.cpp" in mainfile.cpp so compiling with:

g++ -o hw1 mainfile.cpp

will work, however if you compile by linking these together like

g++ -g -std=c++11 -Wall -pedantic   -c -o fun.o fun.cpp
g++ -g -std=c++11 -Wall -pedantic   -c -o mainfile.o mainfile.cpp

As they mention above, adding #include "fun.hpp" will need to be done or it won't work. However, your case with the funct() function is slightly different than my problem.

I had this issue when doing a HW assignment and the autograder compiled by the lower bash recipe, yet locally it worked using the upper bash.

My favoured technique:

signal clk : std_logic := '0'; -- make sure you initialise!
...
clk <= not clk after half_period;

I usually extend this with a finished signal to allow me to stop the clock:

clk <= not clk after half_period when finished /= '1' else '0';

Gotcha alert: Care needs to be taken if you calculate half_period from another constant by dividing by 2. The simulator has a "time resolution" setting, which often defaults to nanoseconds... In which case, 5 ns / 2 comes out to be 2 ns so you end up with a period of 4ns! Set the simulator to picoseconds and all will be well (until you need fractions of a picosecond to represent your clock time anyway!)

This question was asked a long time ago so I thought I'd post an updated answer.

You should now avoid using @import. Taken from the docs:

Sass will gradually phase it out over the next few years, and eventually remove it from the language entirely. Prefer the @use rule instead.

A full list of reasons can be found here

You should now use @use as shown below:

_variables.scss

$text-colour: #262626;

_otherFile.scss

@use 'variables'; // Path to _variables.scss Notice how we don't include the underscore or file extension

body {
  // namespace.$variable-name
  // namespace is just the last component of its URL without a file extension
  color: variables.$text-colour;
}

You can also create an alias for the namespace:

_otherFile.scss

@use 'variables' as v;

body {
  // alias.$variable-name
  color: v.$text-colour;
}

EDIT As pointed out by @und3rdg at the time of writing (November 2020) @use is currently only available for Dart Sass and not LibSass (now deprecated) or Ruby Sass. See https://sass-lang.com/documentation/at-rules/use for the latest compatibility

A soft real time is easiest to understand, in which even if the result is obtained after the deadline, the results are still considered as valid.

Example: Web browser- We request for certain URL, it takes some time in loading the page. If the system takes more than expected time to provide us with the page, the page obtained is not considered as invalid, we just say that the system's performance wasn't up to the mark (system gave low performance!).

In hard real time system, if the result is obtained after the deadline, the system is considered to have failed completely.

Example: In case of a robot doing some job like line tracing, etc. If a hindrance comes on its path, and the robot doesn't process this information within some programmed deadline (almost instant!), the robot is said to have failed in its task (the robot system may also get completely destroyed!).

In firm real time system, if the result of process execution comes after the deadline, we discard that result, but the system is not termed to have been failed.

Example: Satellite communication for enemy position monitoring or some other task. If the ground computer station to which the satellites send the frames periodically is overloaded, and the current frame (packet) is not processed in time and the next frame comes up, the current packet (the one who missed the deadline) doesn't matter whether the processing was done (or half done or almost done) is dropped/discarded. But the ground computer is not termed to have completely failed.

If you are using Maven, add the below config in your pom.xml:

<build>
    <testResources>
                <testResource>
                    <directory>src/main/webapp</directory>
                </testResource>
    </testResources>
</build>

With this config, you will be able to access xml files in WEB-INF folder. From Maven POM Reference: The testResources element block contains testResource elements. Their definitions are similar to resource elements, but are naturally used during test phases.

Can JAX-RS do Asynchronous Request like JAX-WS?

Yes, it can surely do use @Async

Can JAX-RS access a web service that is not running on the Java platform, and vice versa?

Yes, it can Do

What does it mean by "REST is particularly useful for limited-profile devices, such as PDAs and mobile phones"?

It is mainly use for public apis it depends on which approach you want to use.

What does it mean by "JAX-RS do not require XML messages or WSDL service–API definitions?

It has its own standards WADL(Web application Development Language) it has http request by which you can access resources they are altogether created by different mindset,In case in Jax-Rs you have to think of exposing resources

Since globals are module specific, you can add the following function to all imported modules, and then use it to:

• Add singular variables (in dictionary format) as globals for those
• Transfer your main module globals to it .

addglobals = lambda x: globals().update(x)

Then all you need to pass on current globals is:

import module

module.addglobals(globals())

Make sure your maven war plugin block in pom.xml includes all files (especially xml files) while building the war. But you don't need to include the .java files though.

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-war-plugin</artifactId>
  <version>2.5</version>

  <configuration>
    <webResources>
      <resources>
        <directory>WebContent</directory>
        <includes>
          <include>**/*.*</include> <!--this line includes the xml files into the war, which will be found when it is exploded in server during deployment -->
        </includes>
        <excludes>
          <exclude>*.java</exclude>
        </excludes>
      </resources>
    </webResources>
    <webXml>WebContent/WEB-INF/web.xml</webXml>
  </configuration>
</plugin> 

The .browser call has been removed in jquery 1.9 have a look at http://jquery.com/upgrade-guide/1.9/ for more details.

It's a function annotation.

In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return values.

There's no preconceived use case, but the PEP suggests several. One very handy one is to allow you to annotate parameters with their expected types; it would then be easy to write a decorator that verifies the annotations or coerces the arguments to the right type. Another is to allow parameter-specific documentation instead of encoding it into the docstring.

For me the problem was my file encoding...I used powershell to write the xml file and this was not UTF-8 ... It seems that spring requires UTF8 because as soon as I changed the encoding (using notepad++) it works again without any errors

Now i Use in my powershellscript the following line to output the xml file in UTF-8: [IO.File]::WriteAllLines($fname_dataloader_xml_config_file, $dataloader_configfile)

instead of using the redirection operator > to create my file

Note: I didn't put any xml parameters in my beans tag and it works

In an XML file, there is a sequence of declarations, and you may override a previous definition with a newer one. When you use annotations, there is no notion of before or after. All the beans are at the same level. You defined two beans with the same name, and Spring doesn't know which one it should choose.

Give them a different name (staticConverterDAO, inMemoryConverterDAO for example), create an alias in the Spring XML file (theConverterDAO for example), and use this alias when injecting the converter:

@Autowired @Qualifier("theConverterDAO")

No difference here, but it matters when you have a type that has a constructor.

struct S {
    constexpr S(int);
};

const S s0(0);
constexpr S s1(1);

s0 is a constant, but it does not promise to be initialized at compile-time. s1 is marked constexpr, so it is a constant and, because S's constructor is also marked constexpr, it will be initialized at compile-time.

Mostly this matters when initialization at runtime would be time-consuming and you want to push that work off onto the compiler, where it's also time-consuming, but doesn't slow down execution time of the compiled program

Gradle : v4.10.3

IDE : IntelliJ

I was facing this issue when using gradle to run my build and test. Copying the applicationContext.xml all over the place did not help. Even specifying the complete path as below did not help !

context = new ClassPathXmlApplicationContext("C:\\...\\applicationContext.xml");

The solution (for gradle at least) lies in the way gradle processes resources. For my gradle project I had laid out the workspace as defined at https://docs.gradle.org/current/userguide/java_plugin.html#sec:java_project_layout

When running a test using default gradle set of tasks includes a "processTestResources" step, which looks for test resources at C:\.....\src\test\resources (Gradle helpfully provides the complete path).

Your .properties file and applicationContext.xml need to be in this directory. If the resources directory is not present (as it was in my case), you need to create it copy the file(s) there. After this, simply specifying the file name worked just fine.

context = new ClassPathXmlApplicationContext("applicationContext.xml");

After migrating to PHP 5.6.5, the soap 1.2 did not work anymore. So I solved the problem by adding optional SSL parameters.

My error:

failed to load external entity

How to solve:

// options for ssl in php 5.6.5
$opts = array(
    'ssl' => array(
        'ciphers' => 'RC4-SHA',
        'verify_peer' => false,
        'verify_peer_name' => false
    )
);

// SOAP 1.2 client
$params = array(
    'encoding' => 'UTF-8',
    'verifypeer' => false,
    'verifyhost' => false,
    'soap_version' => SOAP_1_2,
    'trace' => 1,
    'exceptions' => 1,
    'connection_timeout' => 180,
    'stream_context' => stream_context_create($opts)
);

$wsdlUrl = $url . '?WSDL';
$oSoapClient = new SoapClient($wsdlUrl, $params);

As of TypeScript 0.9 (currently an alpha release) you can use the enum definition like this:

enum TShirtSize {
  Small,
  Medium,
  Large
}

var mySize = TShirtSize.Large;

By default, these enumerations will be assigned 0, 1 and 2 respectively. If you want to explicitly set these numbers, you can do so as part of the enum declaration.

Listing 6.2 Enumerations with explicit members

enum TShirtSize {
  Small = 3,
  Medium = 5,
  Large = 8
}

var mySize = TShirtSize.Large;

Both of these examples lifted directly out of TypeScript for JavaScript Programmers.

Note that this is different to the 0.8 specification. The 0.8 specification looked like this - but it was marked as experimental and likely to change, so you'll have to update any old code:

Disclaimer - this 0.8 example would be broken in newer versions of the TypeScript compiler.

enum TShirtSize {
  Small: 3,
  Medium: 5,
  Large: 8
}

var mySize = TShirtSize.Large;

In short, @classmethod turns a normal method to a factory method.

Let's explore it with an example:

class PythonBook:
    def __init__(self, name, author):
        self.name = name
        self.author = author
    def __repr__(self):
        return f'Book: {self.name}, Author: {self.author}'

Without a @classmethod,you should labor to create instances one by one and they are scattered.

book1 = PythonBook('Learning Python', 'Mark Lutz')
In [20]: book1
Out[20]: Book: Learning Python, Author: Mark Lutz
book2 = PythonBook('Python Think', 'Allen B Dowey')
In [22]: book2
Out[22]: Book: Python Think, Author: Allen B Dowey

As for example with @classmethod

class PythonBook:
    def __init__(self, name, author):
        self.name = name
        self.author = author
    def __repr__(self):
        return f'Book: {self.name}, Author: {self.author}'
    @classmethod
    def book1(cls):
        return cls('Learning Python', 'Mark Lutz')
    @classmethod
    def book2(cls):
        return cls('Python Think', 'Allen B Dowey')

Test it:

In [31]: PythonBook.book1()
Out[31]: Book: Learning Python, Author: Mark Lutz
In [32]: PythonBook.book2()
Out[32]: Book: Python Think, Author: Allen B Dowey

See? Instances are successfully created inside a class definition and they are collected together.

In conclusion, @classmethod decorator convert a conventional method to a factory method,Using classmethods makes it possible to add as many alternative constructors as necessary.

You have a couple of problems here.

First, the XSD has an issue where an element is both named or referenced; in your case should be referenced.

Change:

<xsd:element name="stock" ref="Stock" minOccurs="1" maxOccurs="unbounded"/> 

To:

<xsd:element name="stock" type="Stock" minOccurs="1" maxOccurs="unbounded"/> 

And:

• Remove the declaration of the global element Stock
• Create a complex type declaration for a type named Stock

So:

<xsd:element name="Stock">
    <xsd:complexType>

To:

<xsd:complexType name="Stock">

Make sure you fix the xml closing tags.

The second problem is that the correct way to reference an external XSD is to use XSD schema with import/include within a wsdl:types element. wsdl:import is reserved to referencing other WSDL files. More information is available by going through the WS-I specification, section WSDL and Schema Import. Based on WS-I, your case would be:

INCORRECT: (the way you showed it)

<?xml version="1.0" encoding="UTF-8"?>
<definitions targetNamespace="http://stock.com/schemas/services/stock/wsdl"
    .....xmlns:external="http://stock.com/schemas/services/stock"
    <import namespace="http://stock.com/schemas/services/stock" location="Stock.xsd" />
    <message name="getStockQuoteResp">
        <part name="parameters" element="external:getStockQuoteResponse" />
    </message>
</definitions>

CORRECT:

<?xml version="1.0" encoding="UTF-8"?>
<definitions targetNamespace="http://stock.com/schemas/services/stock/wsdl"
    .....xmlns:external="http://stock.com/schemas/services/stock"
    <types>
        <schema xmlns="http://www.w3.org/2001/XMLSchema">
            <import namespace="http://stock.com/schemas/services/stock" schemaLocation="Stock.xsd" />             
        </schema>
    </types>
    <message name="getStockQuoteResp">
        <part name="parameters" element="external:getStockQuoteResponse" />
    </message>
</definitions>

SOME processors may support both syntaxes. The XSD you put out shows issues, make sure you first validate the XSD.

It would be better if you go the WS-I way when it comes to WSDL authoring.

Other issues may be related to the use of relative vs. absolute URIs in locating external content.

Abstraction is about identifying commonalities and reducing features that you have to work with at different levels of your code.

e.g. I may have a Vehicle class. A Car would derive from a Vehicle, as would a Motorbike. I can ask each Vehicle for the number of wheels, passengers etc. and that info has been abstracted and identified as common from Cars and Motorbikes.

In my code I can often just deal with Vehicles via common methods go(), stop() etc. When I add a new Vehicle type later (e.g. Scooter) the majority of my code would remain oblivious to this fact, and the implementation of Scooter alone worries about Scooter particularities.

The whole point of a class is that you create an instance, and that instance encapsulates a set of data. So it's wrong to say that your variables are global within the scope of the class: say rather that an instance holds attributes, and that instance can refer to its own attributes in any of its code (via self.whatever). Similarly, any other code given an instance can use that instance to access the instance's attributes - ie instance.whatever.

map creates a new list by applying a function to every element of the source:

xs = [1, 2, 3]

# all of those are equivalent — the output is [2, 4, 6]
# 1. map
ys = map(lambda x: x * 2, xs)
# 2. list comprehension
ys = [x * 2 for x in xs]
# 3. explicit loop
ys = []
for x in xs:
    ys.append(x * 2)

n-ary map is equivalent to zipping input iterables together and then applying the transformation function on every element of that intermediate zipped list. It's not a Cartesian product:

xs = [1, 2, 3]
ys = [2, 4, 6]

def f(x, y):
    return (x * 2, y // 2)

# output: [(2, 1), (4, 2), (6, 3)]
# 1. map
zs = map(f, xs, ys)
# 2. list comp
zs = [f(x, y) for x, y in zip(xs, ys)]
# 3. explicit loop
zs = []
for x, y in zip(xs, ys):
    zs.append(f(x, y))

I've used zip here, but map behaviour actually differs slightly when iterables aren't the same size — as noted in its documentation, it extends iterables to contain None.

Try this and don't add anything Order allow,deny and others:

AddHandler cgi-script .cgi .py 
ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
<Directory "/usr/lib/cgi-bin">
    AllowOverride None
    Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
    Require all granted
    Allow from all
</Directory>

sudo a2enmod cgi
sudo service apache2 restart

I am using

include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
if(COMPILER_SUPPORTS_CXX11)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif(COMPILER_SUPPORTS_CXX0X)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
else()
        message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
endif()

But if you want to play with C++11, g++ 4.6.1 is pretty old. Try to get a newer g++ version.

This seems like that the servlet api version which you using is older than the xsd you are using in web.xml eg 3.0

use this one ****http://java.sun.com/xml/ns/javaee/" id="WebApp_ID" version="2.5"> ****

It looks like your Spring component scan Base is missing UserServiceImpl

<context:component-scan base-package="org.assessme.com.controller." />

One of the most beautiful ways in my opinion (since it is now commonly available) is using behaviours.

It requires:

• nuget dependency: Microsoft.Xaml.Behaviors.Wpf
• if you already have behaviours built in you might have to follow this guide on Microsofts blog.

xaml code:

xmlns:Interactions="http://schemas.microsoft.com/xaml/behaviors"

AND

<Hyperlink NavigateUri="{Binding Path=Link}">
    <Interactions:Interaction.Behaviors>
        <behaviours:HyperlinkOpenBehaviour ConfirmNavigation="True"/>
    </Interactions:Interaction.Behaviors>
    <Hyperlink.Inlines>
        <Run Text="{Binding Path=Link}"/>
    </Hyperlink.Inlines>
</Hyperlink>

behaviour code:

using System.Windows;
using System.Windows.Documents;
using System.Windows.Navigation;
using Microsoft.Xaml.Behaviors;

namespace YourNameSpace
{
    public class HyperlinkOpenBehaviour : Behavior<Hyperlink>
    {
        public static readonly DependencyProperty ConfirmNavigationProperty = DependencyProperty.Register(
            nameof(ConfirmNavigation), typeof(bool), typeof(HyperlinkOpenBehaviour), new PropertyMetadata(default(bool)));

        public bool ConfirmNavigation
        {
            get { return (bool) GetValue(ConfirmNavigationProperty); }
            set { SetValue(ConfirmNavigationProperty, value); }
        }

        /// <inheritdoc />
        protected override void OnAttached()
        {
            this.AssociatedObject.RequestNavigate += NavigationRequested;
            this.AssociatedObject.Unloaded += AssociatedObjectOnUnloaded;
            base.OnAttached();
        }

        private void AssociatedObjectOnUnloaded(object sender, RoutedEventArgs e)
        {
            this.AssociatedObject.Unloaded -= AssociatedObjectOnUnloaded;
            this.AssociatedObject.RequestNavigate -= NavigationRequested;
        }

        private void NavigationRequested(object sender, RequestNavigateEventArgs e)
        {
            if (!ConfirmNavigation || MessageBox.Show("Are you sure?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
            {
                OpenUrl();
            }

            e.Handled = true;
        }

        private void OpenUrl()
        {
//          Process.Start(new ProcessStartInfo(AssociatedObject.NavigateUri.AbsoluteUri));
            MessageBox.Show($"Opening {AssociatedObject.NavigateUri}");
        }

        /// <inheritdoc />
        protected override void OnDetaching()
        {
            this.AssociatedObject.RequestNavigate -= NavigationRequested;
            base.OnDetaching();
        }
    }
}

Maybe this answer will help:

nginx error connect to php5-fpm.sock failed (13: Permission denied)

The solution was to replace www-data with nginx in /var/www/php/fpm/pool.d/www.conf

And respectively modify the socket credentials:

$ sudo chmod nginx:nginx /var/run/php/php7.2-fpm.sock

Iterables have a __iter__ method that instantiates a new iterator every time.

Iterators implement a __next__ method that returns individual items, and a __iter__ method that returns self .

Therefore, iterators are also iterable, but iterables are not iterators.

Luciano Ramalho, Fluent Python.

I had the same problem. Get the warning. Went to Data connections and deleted connection. Save, close reopen. Still get the warning. I use a xp/vista menu plugin for classic menus. I found under data, get external data, properties, uncheck the save query definition. Save close and reopen. That seemed to get rid of the warning. Just removing the connection does not work. You have to get rid of the query.

You can find the codes in the DB2 Information Center. Here's a definition of the -302 from the z/OS Information Center:

THE VALUE OF INPUT VARIABLE OR PARAMETER NUMBER position-number IS INVALID OR TOO LARGE FOR THE TARGET COLUMN OR THE TARGET VALUE

On Linux/Unix/Windows DB2, you'll look under SQL Messages to find your error message. If the code is positive, you'll look for SQLxxxxW, if it's negative, you'll look for SQLxxxxN, where xxxx is the code you're looking up.

I'm here in general only to find out that through dict it is necessary to work inside setattr XD

Finally, I've defeated my CiSCO EAP-FAST corporate wifi network, and all our Android devices are now able to connect to it.

The walk-around I've performed in order to gain access to this kind of networks from an Android device are easiest than you can imagine.

There's a Wifi Config Editor in the Google Play Store you can use to "activate" the secondary CISCO Protocols when you are setting up a EAP wifi connection.

Its name is Wifi Config Advanced Editor.

• First, you have to setup your wireless network manually as close as you can to your "official" corporate wifi parameters.

• Save it.

• Go to the WCE and edit the parameters of the network you have created in the previous step.

• There are 3 or 4 series of settings you should activate in order to force the Android device to use them as a way to connect (the main site I think you want to visit is Enterprise Configuration, but don't forget to check all the parameters to change them if needed.
  As a suggestion, even if you have a WPA2 EAP-FAST Cipher, try LEAP in your setup. It worked for me as a charm.

• When you finished to edit the config, go to the main Android wifi controller, and force to connect to this network.

• Do not Edit the network again with the Android wifi interface.

I have tested it on Samsung Galaxy 1 and 2, Note mobile devices, and on a Lenovo Thinkpad Tablet.

Call make command this way:

make CFLAGS=-Dvar=42

And be sure to use $(CFLAGS) in your compile command in the Makefile. As @jørgensen mentioned , putting the variable assignment after the make command will override the CFLAGS value already defined the Makefile.

Alternatively you could set -Dvar=42 in another variable than CFLAGS and then reuse this variable in CFLAGS to avoid completely overriding CFLAGS.

NOTE: I am sharing this. It is not mean that here is not good answer but because I easily understood.

Answer:

When a class is conceptualized, what are the properties we can have in it given the context. If we are designing a class Animal in the context of a zoo, it is important that we have an attribute as animalType to describe domestic or wild. This attribute may not make sense when we design the class in a different context.

Similarly, what are the behaviors we are going to have in the class? Abstraction is also applied here. What is necessary to have here and what will be an overdose? Then we cut off some information from the class. This process is applying abstraction.

When we ask for difference between encapsulation and abstraction, I would say, encapsulation uses abstraction as a concept. So then, is it only encapsulation. No, abstraction is even a concept applied as part of inheritance and polymorphism.

Go here for more explanation about this topic.

I understand the OPs frustration, this usage of virtual is not for the templated abstraction that the defacto virtual modifier is effective for.

If any are still struggling with this, I would offer my view point, as I try to keep the solutions simple and the jargon to a minimum:

Entity Framework in a simple piece does utilize lazy loading, which is the equivalent of prepping something for future execution. That fits the 'virtual' modifier, but there is more to this.

In Entity Framework, using a virtual navigation property allows you to denote it as the equivalent of a nullable Foreign Key in SQL. You do not HAVE to eagerly join every keyed table when performing a query, but when you need the information -- it becomes demand-driven.

I also mentioned nullable because many navigation properties are not relevant at first. i.e. In a customer / Orders scenario, you do not have to wait until the moment an order is processed to create a customer. You can, but if you had a multi-stage process to achieve this, you might find the need to persist the customer data for later completion or for deployment to future orders. If all nav properties were implemented, you'd have to establish every Foreign Key and relational field on the save. That really just sets the data back into memory, which defeats the role of persistence.

So while it may seem cryptic in the actual execution at run time, I have found the best rule of thumb to use would be: if you are outputting data (reading into a View Model or Serializable Model) and need values before references, do not use virtual; If your scope is collecting data that may be incomplete or a need to search and not require every search parameter completed for a search, the code will make good use of reference, similar to using nullable value properties int? long?. Also, abstracting your business logic from your data collection until the need to inject it has many performance benefits, similar to instantiating an object and starting it at null. Entity Framework uses a lot of reflection and dynamics, which can degrade performance, and the need to have a flexible model that can scale to demand is critical to managing performance.

To me, that always made more sense than using overloaded tech jargon like proxies, delegates, handlers and such. Once you hit your third or fourth programming lang, it can get messy with these.

SP is the stack register a shortcut for typing r13. LR is the link register a shortcut for r14. And PC is the program counter a shortcut for typing r15.

When you perform a call, called a branch link instruction, bl, the return address is placed in r14, the link register. the program counter pc is changed to the address you are branching to.

There are a few stack pointers in the traditional ARM cores (the cortex-m series being an exception) when you hit an interrupt for example you are using a different stack than when running in the foreground, you dont have to change your code just use sp or r13 as normal the hardware has done the switch for you and uses the correct one when it decodes the instructions.

The traditional ARM instruction set (not thumb) gives you the freedom to use the stack in a grows up from lower addresses to higher addresses or grows down from high address to low addresses. the compilers and most folks set the stack pointer high and have it grow down from high addresses to lower addresses. For example maybe you have ram from 0x20000000 to 0x20008000 you set your linker script to build your program to run/use 0x20000000 and set your stack pointer to 0x20008000 in your startup code, at least the system/user stack pointer, you have to divide up the memory for other stacks if you need/use them.

Stack is just memory. Processors normally have special memory read/write instructions that are PC based and some that are stack based. The stack ones at a minimum are usually named push and pop but dont have to be (as with the traditional arm instructions).

If you go to http://github.com/lsasim I created a teaching processor and have an assembly language tutorial. Somewhere in there I go through a discussion about stacks. It is NOT an arm processor but the story is the same it should translate directly to what you are trying to understand on the arm or most other processors.

Say for example you have 20 variables you need in your program but only 16 registers minus at least three of them (sp, lr, pc) that are special purpose. You are going to have to keep some of your variables in ram. Lets say that r5 holds a variable that you use often enough that you dont want to keep it in ram, but there is one section of code where you really need another register to do something and r5 is not being used, you can save r5 on the stack with minimal effort while you reuse r5 for something else, then later, easily, restore it.

Traditional (well not all the way back to the beginning) arm syntax:

...
stmdb r13!,{r5}
...temporarily use r5 for something else...
ldmia r13!,{r5}
...

stm is store multiple you can save more than one register at a time, up to all of them in one instruction.

db means decrement before, this is a downward moving stack from high addresses to lower addresses.

You can use r13 or sp here to indicate the stack pointer. This particular instruction is not limited to stack operations, can be used for other things.

The ! means update the r13 register with the new address after it completes, here again stm can be used for non-stack operations so you might not want to change the base address register, leave the ! off in that case.

Then in the brackets { } list the registers you want to save, comma separated.

ldmia is the reverse, ldm means load multiple. ia means increment after and the rest is the same as stm

So if your stack pointer were at 0x20008000 when you hit the stmdb instruction seeing as there is one 32 bit register in the list it will decrement before it uses it the value in r13 so 0x20007FFC then it writes r5 to 0x20007FFC in memory and saves the value 0x20007FFC in r13. Later, assuming you have no bugs when you get to the ldmia instruction r13 has 0x20007FFC in it there is a single register in the list r5. So it reads memory at 0x20007FFC puts that value in r5, ia means increment after so 0x20007FFC increments one register size to 0x20008000 and the ! means write that number to r13 to complete the instruction.

Why would you use the stack instead of just a fixed memory location? Well the beauty of the above is that r13 can be anywhere it could be 0x20007654 when you run that code or 0x20002000 or whatever and the code still functions, even better if you use that code in a loop or with recursion it works and for each level of recursion you go you save a new copy of r5, you might have 30 saved copies depending on where you are in that loop. and as it unrolls it puts all the copies back as desired. with a single fixed memory location that doesnt work. This translates directly to C code as an example:

void myfun ( void )
{
   int somedata;
}

In a C program like that the variable somedata lives on the stack, if you called myfun recursively you would have multiple copies of the value for somedata depending on how deep in the recursion. Also since that variable is only used within the function and is not needed elsewhere then you perhaps dont want to burn an amount of system memory for that variable for the life of the program you only want those bytes when in that function and free that memory when not in that function. that is what a stack is used for.

A global variable would not be found on the stack.

Going back...

Say you wanted to implement and call that function you would have some code/function you are in when you call the myfun function. The myfun function wants to use r5 and r6 when it is operating on something but it doesnt want to trash whatever someone called it was using r5 and r6 for so for the duration of myfun() you would want to save those registers on the stack. Likewise if you look into the branch link instruction (bl) and the link register lr (r14) there is only one link register, if you call a function from a function you will need to save the link register on each call otherwise you cant return.

...
bl myfun
    <--- the return from my fun returns here
...


myfun:
stmdb sp!,{r5,r6,lr}
sub sp,#4 <--- make room for the somedata variable
...
some code here that uses r5 and r6
bl more_fun <-- this modifies lr, if we didnt save lr we wouldnt be able to return from myfun
   <---- more_fun() returns here
...
add sp,#4 <-- take back the stack memory we allocated for the somedata variable
ldmia sp!,{r5,r6,lr}
mov pc,lr <---- return to whomever called myfun.

So hopefully you can see both the stack usage and link register. Other processors do the same kinds of things in a different way. for example some will put the return value on the stack and when you execute the return function it knows where to return to by pulling a value off of the stack. Compilers C/C++, etc will normally have a "calling convention" or application interface (ABI and EABI are names for the ones ARM has defined). if every function follows the calling convention, puts parameters it is passing to functions being called in the right registers or on the stack per the convention. And each function follows the rules as to what registers it does not have to preserve the contents of and what registers it has to preserve the contents of then you can have functions call functions call functions and do recursion and all kinds of things, so long as the stack does not go so deep that it runs into the memory used for globals and the heap and such, you can call functions and return from them all day long. The above implementation of myfun is very similar to what you would see a compiler produce.

ARM has many cores now and a few instruction sets the cortex-m series works a little differently as far as not having a bunch of modes and different stack pointers. And when executing thumb instructions in thumb mode you use the push and pop instructions which do not give you the freedom to use any register like stm it only uses r13 (sp) and you cannot save all the registers only a specific subset of them. the popular arm assemblers allow you to use

push {r5,r6}
...
pop {r5,r6}

in arm code as well as thumb code. For the arm code it encodes the proper stmdb and ldmia. (in thumb mode you also dont have the choice as to when and where you use db, decrement before, and ia, increment after).

No you absolutly do not have to use the same registers and you dont have to pair up the same number of registers.

push {r5,r6,r7}
...
pop {r2,r3}
...
pop {r1}

assuming there is no other stack pointer modifications in between those instructions if you remember the sp is going to be decremented 12 bytes for the push lets say from 0x1000 to 0x0FF4, r5 will be written to 0xFF4, r6 to 0xFF8 and r7 to 0xFFC the stack pointer will change to 0x0FF4. the first pop will take the value at 0x0FF4 and put that in r2 then the value at 0x0FF8 and put that in r3 the stack pointer gets the value 0x0FFC. later the last pop, the sp is 0x0FFC that is read and the value placed in r1, the stack pointer then gets the value 0x1000, where it started.

The ARM ARM, ARM Architectural Reference Manual (infocenter.arm.com, reference manuals, find the one for ARMv5 and download it, this is the traditional ARM ARM with ARM and thumb instructions) contains pseudo code for the ldm and stm ARM istructions for the complete picture as to how these are used. Likewise well the whole book is about the arm and how to program it. Up front the programmers model chapter walks you through all of the registers in all of the modes, etc.

If you are programming an ARM processor you should start by determining (the chip vendor should tell you, ARM does not make chips it makes cores that chip vendors put in their chips) exactly which core you have. Then go to the arm website and find the ARM ARM for that family and find the TRM (technical reference manual) for the specific core including revision if the vendor has supplied that (r2p0 means revision 2.0 (two point zero, 2p0)), even if there is a newer rev, use the manual that goes with the one the vendor used in their design. Not every core supports every instruction or mode the TRM tells you the modes and instructions supported the ARM ARM throws a blanket over the features for the whole family of processors that that core lives in. Note that the ARM7TDMI is an ARMv4 NOT an ARMv7 likewise the ARM9 is not an ARMv9. ARMvNUMBER is the family name ARM7, ARM11 without a v is the core name. The newer cores have names like Cortex and mpcore instead of the ARMNUMBER thing, which reduces confusion. Of course they had to add the confusion back by making an ARMv7-m (cortex-MNUMBER) and the ARMv7-a (Cortex-ANUMBER) which are very different families, one is for heavy loads, desktops, laptops, etc the other is for microcontrollers, clocks and blinking lights on a coffee maker and things like that. google beagleboard (Cortex-A) and the stm32 value line discovery board (Cortex-M) to get a feel for the differences. Or even the open-rd.org board which uses multiple cores at more than a gigahertz or the newer tegra 2 from nvidia, same deal super scaler, muti core, multi gigahertz. A cortex-m barely brakes the 100MHz barrier and has memory measured in kbytes although it probably runs of a battery for months if you wanted it to where a cortex-a not so much.

sorry for the very long post, hope it is useful.

If you have used extern for functions before, exactly same philosophy is followed for templates. if not, going though extern for simple functions may help. Also, you may want to put the extern(s) in header file and include the header when you need it.

First of all, you lack parentheses to call GetType. What you see is the MethodInfo describing the GetType method on [DayOfWeek]. To actually call GetType, you should do:

$a.GetType();
$b.GetType();

You should see that $a is a [DayOfWeek], and $b is a custom object generated by the Select-Object cmdlet to capture only the DayOfWeek property of a data object. Hence, it's an object with a DayOfWeek property only:

C:\> $b.DayOfWeek -eq $a
True

Take the number 123.456789

• As an integer, this number would be 123
• As a fixed point (2), this number would be 123.46 (Assuming you rounded it up)
• As a floating point, this number would be 123.456789

Floating point lets you represent most every number with a great deal of precision. Fixed is less precise, but simpler for the computer..

I was looking into this but wanted to have a different transition rate for in and out.

This is what I ended up doing:

//css
.addedClass {
    background: #5eb4fc;
}

// js
function setParentTransition(id, prop, delay, style, callback) {
    $(id).css({'-webkit-transition' : prop + ' ' + delay + ' ' + style});
    $(id).css({'-moz-transition' : prop + ' ' + delay + ' ' + style});
    $(id).css({'-o-transition' : prop + ' ' + delay + ' ' + style});
    $(id).css({'transition' : prop + ' ' + delay + ' ' + style});
    callback();
}
setParentTransition(id, 'background', '0s', 'ease', function() {
    $('#elementID').addClass('addedClass');
});

setTimeout(function() {
    setParentTransition(id, 'background', '2s', 'ease', function() {
        $('#elementID').removeClass('addedClass');
    });
});

This instantly turns the background color to #5eb4fc and then slowly fades back to normal over 2 seconds.

Here's a fiddle

Old question, but still no good up-to-date answer with insight imo.

As jQuery uses Javascript wording for events and handlers, but does its own undocumented, but different interpretation of those, let me first shed light on the difference from the pure Javascript viewpoint:

• both event pairs
  • the mouse can “jump” from outside/outer elements to inner/innermost elements when moved faster than the browser samples its position
  • any enter/over gets a corresponding leave/out (possibly late/jumpy)
  • events go to the visible element below the pointer (invisible elements can’t be target)
• mouseenter/mouseleave
  • does not bubble (event not useful for delegate handlers)
  • the event registration itself defines the area of observation and abstraction
  • works on the target area, like a park with a pond: the pond is considered part of the park
  • the event is emitted on the target/area whenever the element itself or any descendant directly is entered/left the first time
  • entering a descendant, moving from one descendant to another or moving back into the target does not finish/restart the mouseenter/mouseleave cycle (i.e. no events fire)
  • if you want to observe multiple areas with one handler, register it on each area/element or use the other event pair discussed next
  • descendants of registered areas/elements can have their own handlers, creating an independent observation area with its independent mouseenter/mouseleave event cycles
  • if you think about how a bubbling version of mouseenter/mouseleave could look like, you end up with with something like mouseover/mouseout
• mouseover/mouseout
  • events bubble
  • events fire whenever the element below the pointer changes
    • mouseout on the previously sampled element
    • followed by mouseover on the new element
    • the events don’t “nest”: before e.g. a child is “overed” the parent will be “out”
  • target/relatedTarget indicate new and previous element
  • if you want to watch different areas
    • register one handler on a common parent (or multiple parents, which together cover all elements you want to watch)
    • look for the element you are interested in between the handler element and the target element; maybe $(event.target).closest(...) suits your needs

Not-so-trivial mouseover/mouseout example:

$('.side-menu, .top-widget')
  .on('mouseover mouseout', event => {
    const target = event.type === 'mouseover' ? event.target : event.relatedTarget;
    const thing = $(target).closest('[data-thing]').attr('data-thing') || 'default';
    // do something with `thing`
  });

These days, all browsers support mouseover/mouseout and mouseenter/mouseleave natively. Nevertheless, jQuery does not register your handler to mouseenter/mouseleave, but silently puts them on a wrappers around mouseover/mouseout as the code below exposes.

The emulation is unnecessary, imperfect and a waste of CPU cycles: it filters out mouseover/mouseout events that a mouseenter/mouseleave would not get, but the target is messed. The real mouseenter/mouseleave would give the handler element as target, the emulation might indicate children of that element, i.e. whatever the mouseover/mouseout carried.

For that reason I do not use jQuery for those events, but e.g.:

$el[0].addEventListener('mouseover', e => ...);

const list = document.getElementById('log');
const outer = document.getElementById('outer');
const $outer = $(outer);

function log(tag, event) {
  const li = list.insertBefore(document.createElement('li'), list.firstChild);
  // only jQuery handlers have originalEvent
  const e = event.originalEvent || event;
  li.append(`${tag} got ${e.type} on ${e.target.id}`);
}

outer.addEventListener('mouseenter', log.bind(null, 'JSmouseenter'));
$outer.on('mouseenter', log.bind(null, '$mouseenter'));

div {
  margin: 20px;
  border: solid black 2px;
}

#inner {
  min-height: 80px;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<body>
  <div id=outer>
    <ul id=log>
    </ul>
  </div>
</body>

Note: For delegate handlers never use jQuery’s “delegate handlers with selector registration”. (Reason in another answer.) Use this (or similar):

$(parent).on("mouseover", e => {
  if ($(e.target).closest('.gold').length) {...};
});

instead of

$(parent).on("mouseover", '.gold', e => {...});

I had the same problem. The only thing that solved it was merge the content of META-INF/spring.handler and META-INF/spring.schemas of each spring jar file into same file names under my META-INF project.

This two threads explain it better:

• maven assembly plugin and spring namespace handlers
• Thread: unable to locate Spring NamespaceHandler for XML schema namespace

According to the stack trace, your issue is that your app cannot find org.apache.commons.dbcp.BasicDataSource, as per this line:

java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource

I see that you have commons-dbcp in your list of jars, but for whatever reason, your app is not finding the BasicDataSource class in it.

According to the official Python site, it's interpreted.

https://www.python.org/doc/essays/blurb/

Python is an interpreted, object-oriented, high-level programming language...

...

Since there is no compilation step ...

...

The Python interpreter and the extensive standard library are available...

...

Instead, when the interpreter discovers an error, it raises an exception. When the program doesn't catch the exception, the interpreter prints a stack trace.

You can do something like this:

<html>
<head><title>My Glossary</title></head>
<body style="margin:0px;">
        <div id="top" style="position:fixed;background:white;width:100%;">
            <a href="#A">A</a> |
             <a href="#B">B</a> |
            <a href="#Z">Z</a>
        </div>

        <div id="term-defs" style="padding-top:1em;">
           <dl>
               <span id="A"></span>
               <dt>foo</dt>
               <dd>This is the sound made by a fool</dd>
               <!-- and so on ... ->
           </dl>
        </div>
</body>
</html>

It's the position:fixed that's most important, because it takes the top div from the normal page flow and fixes it at it's pre-determined position. It's also important to use the padding-top:1em because otherwise the term-defs div would start right under the top div. The background and width are there to cover the contents of the term-defs div as they scroll under the top div.

Hope this helps.

For Node/Express developers you can use middleware and set this via server.

app.use(function(req, res, next) {
  res.setHeader('X-UA-Compatible', 'IE=edge');
  next();
});

The issue is quite simple: one or more of the columns in the source query contains data that exceeds the length of its destination column. A simple solution would be to take your source query and execute Max(Len( source col )) on each column. I.e.,

Select Max(Len(TextCol1))
    , Max(Len(TextCol2))
    , Max(Len(TextCol3))
    , ...
From ...

Then compare those lengths to the data type lengths in your destination table. At least one, exceeds its destination column length.

If you are absolutely positive that this should not be the case and do not care if it is not the case, then another solution is to forcibly cast the source query columns to their destination length (which will truncate any data that is too long):

Select Cast(TextCol1 As varchar(...))
    , Cast(TextCol2 As varchar(...))
    , Cast(TextCol3 As varchar(...))
    , ...
From ...

You should add the following lines in your gradle build file (build.gradle)

dependencies { 
     compile files('/usr/share/stuff')
     ..
}

Polymorphism: Suppose you work for a company that sells pens. So you make a very nice class called "Pen" that handles everything that you need to know about a pen. You write all sorts of classes for billing, shipping, creating invoices, all using the Pen class. A day boss comes and says, "Great news! The company is growing and we are selling Books & CD's now!" Not great news because now you have to change every class that uses Pen to also use Book & CD. But what if you had originally created an interface called "SellableProduct", and Pen implemented this interface. Then you could have written all your shipping, invoicing, etc classes to use that interface instead of Pen. Now all you would have to do is create a new class called Book & CompactDisc which implements the SellableProduct interface. Because of polymorphism, all of the other classes could continue to work without change! Make Sense?

So, it means using Inheritance which is one of the way to achieve polymorphism.

Polymorhism can be possible in a class / interface but Inheritance always between 2 OR more classes / interfaces. Inheritance always conform "is-a" relationship whereas it is not always with Polymorphism (which can conform both "is-a" / "has-a" relationship.

ON DELETE CASCADE
It specifies that the child data is deleted when the parent data is deleted.

CREATE TABLE products
( product_id INT PRIMARY KEY,
  product_name VARCHAR(50) NOT NULL,
  category VARCHAR(25)
);

CREATE TABLE inventory
( inventory_id INT PRIMARY KEY,
  product_id INT NOT NULL,
  quantity INT,
  min_level INT,
  max_level INT,
  CONSTRAINT fk_inv_product_id
    FOREIGN KEY (product_id)
    REFERENCES products (product_id)
    ON DELETE CASCADE
);

For this foreign key, we have specified the ON DELETE CASCADE clause which tells SQL Server to delete the corresponding records in the child table when the data in the parent table is deleted. So in this example, if a product_id value is deleted from the products table, the corresponding records in the inventory table that use this product_id will also be deleted.

I faced the same exception while trying to test my web-services deployed to WSO2 ESB.

WSO2 generated both wsdl and wsdl2. I tried to pass a wsdl2 URL and got the above exception. Quick googling showed me, that one of differences between wsdl1.1 and wsdl2.0 is replacing 'definitions' element with 'description'. Also, I found out, that SoapUI does not support wsdl2.

Therefore, for me the solution was to use wsdl1 url instead of wsdl2.

In case 1, because of order of operations you get:

(hello + ", world") + "!" which resolves to hello + "!" and finally to hello

In case 2, as James noted, you get:

("Hello" + ", world") + exclam which is the concat of 2 string literals.

Hope it's clear :)

FWIW I just hit this on a slightly different use case. I scoured and scoured my code looking for where I might've used a 'str' variable, but could not find it. I started to suspect that maybe one of the modules I imported was the culprit... but alas, it was a missing '%' character in a formatted print statement.

Here's an example:

x=5
y=6
print("x as a string is: %s.  y as a string is: %s" (str(x) , str(y)) )

This will result in the output:

   TypeError: 'str' object is not callable

The correction is:

x=5
y=6
print("x as a string is: %s.  y as a string is: %s" % (str(x) , str(y)) )

Resulting in our expected output:

x as a string is: 5. y as a string is: 6

While working with the orientationchange event, I needed a timeout to get the correct dimensions of the elements in the page, but matchMedia worked fine. My final code:

var matchMedia = window.msMatchMedia || window.MozMatchMedia || window.WebkitMatchMedia || window.matchMedia;

if (typeof(matchMedia) !== 'undefined') {
  // use matchMedia function to detect orientationchange
  window.matchMedia('(orientation: portrait)').addListener(function() {
    // your code ...
  });
} else {
  // use orientationchange event with timeout (fires to early)
  $(window).on('orientationchange', function() {
    window.setTimeout(function() {
      // your code ...
    }, 300)
  });
}

Those extensions aren't really new, they are old. :-)

When C++ was new, some people wanted to have a .c++ extension for the source files, but that didn't work on most file systems. So they tried something close to that, like .cxx, or .cpp instead.

Others thought about the language name, and "incrementing" .c to get .cc or even .C in some cases. Didn't catch on that much.

Some believed that if the source is .cpp, the headers ought to be .hpp to match. Moderately successful.

Another reason for the error (amongst many others that cropped up when changing the target build of a Win32 project to X64) was not having the C++ 64 bit compilers installed as noted at the top of this page.
Further to philipvr's comment on child headers, (in my case) an explicit include of winnt.h being unnecessary when windows.h was being used.

I'm seeing a lot of answers that don't bring up using += with multiple integers.

One example:

x -= 1 + 3

This would be similar to:

x = x - (1 + 3)

and not:

x = (x - 1) + 3

Your property file location is classpath:idm.properties

This is rather unusual, it means that idm.properties must be located either at the top level of WEB-INF/classes or at the top-level of one of the jars inside WEB-INF/lib. Usually it's good practice to either use a dedicated folder for properties or keep them close to the context files that use them.

So my suggestion is this: Is your properties file perhaps next to your context file? If so, it's not on the classpath (see this question: Is WEB-INF in the CLASSPATH?).

The classpath: prefix maps to a ClassPathResource, but you probably need a ServletContextResource, and you'll get that from a WebApplicationContext using the syntax without prefix:

<context:property-placeholder location="idm.properties" />

Reference:

• The ResourceLoader
  (describes how different ApplicationContext types handle resources without prefix)
• The PropertyPlaceholderConfigurer mechanism
  (describes the <context:property-placeholder> mechanism)

SELECT object_definition (OBJECT_ID(N'dbo.vEmployee'))

I don't think answer from Vincent Malgrat is correct. When NVARCHAR2 was introduced long time ago nobody was even talking about Unicode.

Initially Oracle provided VARCHAR2 and NVARCHAR2 to support localization. Common data (include PL/SQL) was hold in VARCHAR2, most likely US7ASCII these days. Then you could apply NLS_NCHAR_CHARACTERSET individually (e.g. WE8ISO8859P1) for each of your customer in any country without touching the common part of your application.

Nowadays character set AL32UTF8 is the default which fully supports Unicode. In my opinion today there is no reason anymore to use NLS_NCHAR_CHARACTERSET, i.e. NVARCHAR2, NCHAR2, NCLOB. Note, there are more and more Oracle native functions which do not support NVARCHAR2, so you should really avoid it. Maybe the only reason is when you have to support mainly Asian characters where AL16UTF16 consumes less storage compared to AL32UTF8.

This is a maven specific problem I think. Maven does not copy the files form /src/main/resources to the target-test folder. You will have to do this yourself by configuring the resources plugin, if you absolutely want to go this way.

An easier way is to instead put a test specific context definition in the /src/test/resources directory and load via:

@ContextConfiguration(locations = { "classpath:mycontext.xml" })

Although most questions sort of answered the OP, I just had to go through this myself and without even googling I was able to find the quickest and simplest solution. Here's simple steps:

• copy existing .gitconfg from your other repo
• paste into your newly added repo
• change values in .gitconfig file, such as name, email and username [user] name = John email = [email protected] username = john133
• add filename to .gitignore list, to make sure you don't commit .gitconfig file to your work repo

Do you want to know if a type is the same type as int64_t or do you want to know if something is 64 bits? Based on your proposed solution, I think you're asking about the latter. In that case, I would do something like

template<typename T>
bool is_64bits() { return sizeof(T) * CHAR_BIT == 64; } // or >= 64

If a constant is needed in more than one class, I put it in config/initializers/contant.rb always in all caps (list of states below is truncated).

STATES = ['AK', 'AL', ... 'WI', 'WV', 'WY']

They are available through out the application except in model code as such:

    <%= form.label :states, %>
    <%= form.select :states, STATES, {} %>

To use the constant in a model, use attr_accessor to make the constant available.

class Customer < ActiveRecord::Base
    attr_accessor :STATES

    validates :state, inclusion: {in: STATES, message: "-- choose a State from the drop down list."}
end

It would be extremely difficult to guess the problem since it is due to a an error in the WSDL and without examining the WSDL, I cannot comment much more. So if you can share your WSDL, please do so.

All I can say is that there seems to be a missing schema in the WSDL (with the target namespace 'http://service.ebms.edi.cecid.hku.hk/'). I know about issues and different handling of the schema when include instructions are ignored.

Generally I have found Microsoft's implementation of web services pretty good so I think the web service is sending back dodgy WSDL.

I came across this page while searching for the same answer. It is now six months since this was originally asked and the builds have been updated many times since then. However, I wanted to add an answer for anyone else that comes across here looking for this information.

I am using Debian Squeeze and FFmpeg version from those repositories.

The MAN page for ffmpeg states the following use

ffmpeg -i inputfile.mpg -vf "transpose=1" outputfile.mpg

The key being that you are not to use a degree variable, but a predefined setting variable from the MAN page.

0=90CounterCLockwise and Vertical Flip  (default) 
1=90Clockwise 
2=90CounterClockwise 
3=90Clockwise and Vertical Flip

I got the same error. I solved it moving the file applicationContext.xmlin a

sub-folder of the srcfolder. e.g:

context = new ClassPathXmlApplicationContext("/com/ejemplo/dao/applicationContext.xml");

If you want to check for local files first do:

@font-face {
font-family: 'Green Sans Web';
src:
    local('Green Web'),
    local('GreenWeb-Regular'),
    url('GreenWeb.ttf');
}

There is a more elaborate description of what to do here.

Because it's all just about memory, in the end all the numerical values are stored in binary.

A 32 bit unsigned integer can contain values from all binary 0s to all binary 1s.

When it comes to 32 bit signed integer, it means one of its bits (most significant) is a flag, which marks the value to be positive or negative.

i fixed My issue by adding the annotation of @Lob which will create the byte[] in oracle as blob , but this annotation will create the field as oid which not work properly , To make byte[] created as bytea i made customer Dialect for postgres as below

Public class PostgreSQLDialectCustom extends PostgreSQL82Dialect {
    public PostgreSQLDialectCustom() {
        System.out.println("Init PostgreSQLDialectCustom");
        registerColumnType( Types.BLOB, "bytea" );

      }

    @Override
    public SqlTypeDescriptor remapSqlTypeDescriptor(SqlTypeDescriptor sqlTypeDescriptor) {
    if (sqlTypeDescriptor.getSqlType() == java.sql.Types.BLOB) {
      return BinaryTypeDescriptor.INSTANCE;
    }
    return super.remapSqlTypeDescriptor(sqlTypeDescriptor);
  }
 }

Also need to override parameter for the Dialect

spring.jpa.properties.hibernate.dialect=com.ntg.common.DBCompatibilityHelper.PostgreSQLDialectCustom

more hint can be found her : https://dzone.com/articles/postgres-and-oracle

I took the answer above in C#/.Net, and rewrote it for Qt/C++, not to much changed, but I wanted to leave it here for anyone in the future looking for a C++'ish' answer.

    bool MainWindow::isColumnExisting(QString &table, QString &columnName){

    QSqlQuery q;

    try {
        if(q.exec("PRAGMA table_info("+ table +")"))
            while (q.next()) {
                QString name = q.value("name").toString();     
                if (columnName.toLower() == name.toLower())
                    return true;
            }

    } catch(exception){
        return false;
    }
    return false;
}

Two things worth pointing out:

1. The scope of your spring-context dependency shouldn't be "runtime", but "compile", which is the default, so you can just remove the scope line.

2. You should configure the compiler plugin to compile to at least java 1.5 to handle the annotations when building with Maven. (Can also affect IDE settings, though Eclipse doesn't tend to care.)

   <build>
       <plugins>
           <plugin>
               <artifactId>maven-compiler-plugin</artifactId>
               <configuration>
                   <source>1.5</source>
                   <target>1.5</target>
               </configuration>
           </plugin>
       </plugins>
   </build>
   

After that, reconfiguring your project from Maven should fix it. I don't recall exactly how to do that in Eclipse, but you should find it if you right click the project node and poke around the menus.

Highlight table name in the console and press ALT+F1

This means the submodules haven’t been set up correctly and a git submodule add command will have to be executed.

IF SUBMODULES WERE ADDED CORRECTLY

To give some background, when a repo with submodules has been set up correctly someone has already performed a git submodule add command, which does the following things:

1. create a folder for the submodule to reside in if it doesn’t already exist
2. clone the project as a submodule
3. set the submodule parameters in the shareable .gitmodules file
4. set the submodule parameters in your private .git/config file
5. create a .git folder for the submodule in your superproject’s private .git/modules folder
6. and also: record in your superproject’s index for each submodule in which folder it will reside, and in what state it should be (the hash commit code of the submodule.)

Point 3 and 6 are relevant when you clone the superproject, and point 6 indicates whether a git submodule add has been performed correctly and was committed. You can check point 6 by seeing whether the folders in which the submodules should reside are already there and empty (Note: this does not require a .keep or .gitignore mechanism to be in place, since this is part of a Git mechanism.) After cloning the superproject you can also perform a git submodule to see which submodules are expected.

You can then proceed by doing:

• git submodule

  will show the submodules present in the tree and their corresponding commit hash code, can serve as an initial check to see which submodules are expected

• git submodule init

  copies the submodules parameters from the repo’s .gitmodules file to your private .git/config file (point 4)

• git submodule update

  clones the submodules to a commit determined by the superproject and creates the submodules' .git folders under your superproject's .git/modules/ folder (points 2 and 5)

• git submodule update --remote

  same as update but sets the submodule to the latest commit on the branch available by the remote repo, similar as going in each submodule’s folder afterwards and do a git pull

• or: git submodule update --init --remote

  which is all of the above combined.

Alternatively, when the repo is set up correctly, you can also do a git clone with the --recursive flag to include the submodules with the init and update performed on them automatically.

IF SUBMODULES WERE NOT ADDED CORRECTLY

But if the submodules are not committed correctly, and the submodules and their corresponding folders are not already recorded in the index, then first every submodule in the .gitmodules file needs to be individually added via git submodule add before one can proceed.

• Note: as mentioned here, Git does not currently have a command to do this at once for multiple submodules present in a .gitmodules file.

its because of Headerfiles define what the class contains (Members, data-structures) and cpp files implement it.

And of course, the main reason for this is that you could include one .h File multiple times in other .h files, but this would result in multiple definitions of a class, which is invalid.

Here is my understanding of it so far, in case it helps someone.

core.autocrlf=true and core.safecrlf = true

You have a repository where all the line endings are the same, but you work on different platforms. Git will make sure your lines endings are converted to the default for your platform. Why does this matter? Let's say you create a new file. The text editor on your platform will use its default line endings. When you check it in, if you don't have core.autocrlf set to true, you've introduced a line ending inconsistency for someone on a platform that defaults to a different line ending. I always set safecrlf too because I would like to know that the crlf operation is reversible. With these two settings, git is modifying your files, but it verifies that the modifications are reversible.

core.autocrlf=false

You have a repository that already has mixed line endings checked in and fixing the incorrect line endings could break other things. Its best not to tell git to convert line endings in this case, because then it will exacerbate the problem it was designed to solve - making diffs easier to read and merges less painful. With this setting, git doesn't modify your files.

core.autocrlf=input

I don't use this because the reason for this is to cover a use case where you created a file that has CRLF line endings on a platform that defaults to LF line endings. I prefer instead to make my text editor always save new files with the platform's line ending defaults.

As rebenvp said I used:

g++ *.cpp -o output

And then do this for output:

./output

But a better solution is to use make file. Read here to know more about make files.

Also make sure that you have added the required .h files in the .cpp files.

If you want a circle like this

Try using the code below:

<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:innerRadius="0dp"
    android:shape="ring"
    android:thicknessRatio="2"
    android:useLevel="false" >
    <solid android:color="@android:color/white" />
    <stroke
        android:width="1dp"
        android:color="@android:color/darker_gray" />
</shape>

There is a common definition in web application development which is (and I'm making this wording up but it seems to fit): A component which is designed to modify an HTTP request and/or response but does not (usually) serve the response in its entirety, designed to be chained together to form a pipeline of behavioral changes during request processing.

Examples of tasks that are commonly implemented by middleware:

• Gzip response compression
• HTTP authentication
• Request logging

The key point here is that none of these is fully responsible for responding to the client. Instead each changes the behavior in some way as part of the pipeline, leaving the actual response to come from something later in the sequence (pipeline).

Usually, the middlewares are run before some sort of "router", which examines the request (often the path) and calls the appropriate code to generate the response.

Personally, I hate the term "middleware" for its genericity but it is in common use.

Here is an additional explanation specifically applicable to Ruby on Rails.

Be careful how you define the table for you will get different results on insert. Consider the following

CREATE TABLE IF NOT EXISTS t1 (id INTEGER PRIMARY KEY, a TEXT UNIQUE, b TEXT);
INSERT INTO t1 (a, b) VALUES
    ('Alice', 'Some title'),
    ('Bob', 'Palindromic guy'),
    ('Charles', 'chucky cheese'),
    ('Alice', 'Some other title') 
    ON CONFLICT(a) DO UPDATE SET b=excluded.b;
CREATE TABLE IF NOT EXISTS t2 (id INTEGER PRIMARY KEY, a TEXT UNIQUE, b TEXT, UNIQUE(a) ON CONFLICT REPLACE);
INSERT INTO t2 (a, b) VALUES
    ('Alice', 'Some title'),
    ('Bob', 'Palindromic guy'),
    ('Charles', 'chucky cheese'),
    ('Alice', 'Some other title');

$ sqlite3 test.sqlite
SQLite version 3.28.0 2019-04-16 19:49:53
Enter ".help" for usage hints.
sqlite> CREATE TABLE IF NOT EXISTS t1 (id INTEGER PRIMARY KEY, a TEXT UNIQUE, b TEXT);
sqlite> INSERT INTO t1 (a, b) VALUES
   ...>     ('Alice', 'Some title'),
   ...>     ('Bob', 'Palindromic guy'),
   ...>     ('Charles', 'chucky cheese'),
   ...>     ('Alice', 'Some other title') 
   ...>     ON CONFLICT(a) DO UPDATE SET b=excluded.b;
sqlite> CREATE TABLE IF NOT EXISTS t2 (id INTEGER PRIMARY KEY, a TEXT UNIQUE, b TEXT, UNIQUE(a) ON CONFLICT REPLACE);
sqlite> INSERT INTO t2 (a, b) VALUES
   ...>     ('Alice', 'Some title'),
   ...>     ('Bob', 'Palindromic guy'),
   ...>     ('Charles', 'chucky cheese'),
   ...>     ('Alice', 'Some other title');
sqlite> .mode col
sqlite> .headers on
sqlite> select * from t1;
id          a           b               
----------  ----------  ----------------
1           Alice       Some other title
2           Bob         Palindromic guy 
3           Charles     chucky cheese   
sqlite> select * from t2;
id          a           b              
----------  ----------  ---------------
2           Bob         Palindromic guy
3           Charles     chucky cheese  
4           Alice       Some other titl
sqlite> 

While the insert/update effect is the same, the id changes based on the table definition type (see the second table where 'Alice' now has id = 4; the first table is doing more of what I expect it to do, keep the PRIMARY KEY the same). Be aware of this effect.

Above points are correct and I want to add some more important points about Static keyword.

Internally what happening when you are using static keyword is it will store in permanent memory(that is in heap memory),we know that there are two types of memory they are stack memory(temporary memory) and heap memory(permanent memory),so if you are not using static key word then will store in temporary memory that is in stack memory(or you can call it as volatile memory).

so you will get a doubt that what is the use of this right???

example: static int a=10;(1 program)

just now I told if you use static keyword for variables or for method it will store in permanent memory right.

so I declared same variable with keyword static in other program with different value.

example: static int a=20;(2 program)

the variable 'a' is stored in heap memory by program 1.the same static variable 'a' is found in program 2 at that time it won`t create once again 'a' variable in heap memory instead of that it just replace value of a from 10 to 20.

In general it will create once again variable 'a' in stack memory(temporary memory) if you won`t declare 'a' as static variable.

overall i can say that,if we use static keyword
  1.we can save memory
  2.we can avoid duplicates
  3.No need of creating object in-order to access static variable with the help of class name you can access it.

For me it worked best to export all data with this command:

mysqldump -u USERNAME -p --all-databases --complete-insert --extended-insert=FALSE --compatible=mssql > backup.sql

--extended-insert=FALSE is needed to avoid mssql 1000 rows import limit.

I created my tables with my migration tool, so I'm not sure if the CREATE from the backup.sql file will work.

In MSSQL's SSMS I had to imported the data table by table with the IDENTITY_INSERT ON to write the ID fields:

SET IDENTITY_INSERT dbo.app_warehouse ON;
GO 
INSERT INTO "app_warehouse" ("id", "Name", "Standort", "Laenge", "Breite", "Notiz") VALUES (1,'01','Bremen',250,120,'');
SET IDENTITY_INSERT dbo.app_warehouse OFF;
GO 

If you have relationships you have to import the child first and than the table with the foreign key.

M-x load-file
~/.emacs

Using vector drawable:

<vector xmlns:android="http://schemas.android.com/apk/res/android"
   android:width="24dp"
   android:height="24dp"
   android:viewportWidth="24.0"
   android:viewportHeight="24.0">
   <path
        android:pathData="M0,0 L24,0 L0,24 z"
        android:strokeColor="@color/color"
        android:fillColor="@color/color"/>
</vector>

importlib was added to Python 3 to programmatically import a module.

import importlib

moduleName = input('Enter module name:')
importlib.import_module(moduleName)

The .py extension should be removed from moduleName. The function also defines a package argument for relative imports.

In python 2.x:

• Just import file without the .py extension
• A folder can be marked as a package, by adding an empty __init__.py file
• You can use the __import__ function, which takes the module name (without extension) as a string extension

pmName = input('Enter module name:')
pm = __import__(pmName)
print(dir(pm))

Type help(__import__) for more details.

I have found one related behaviour that may help (sounds like your specific problem runs deeper though):

Flash checks whether a source file needs recompiling by looking at timestamps. If its compiled version is older than the source file, it will recompile. But it doesn't check whether the compiled version was generated from the same source file or not.

Specifically, if you have your actionscript files under version control, and you Revert a change, the reverted file will usually have an older timestamp, and Flash will ignore it.

You have to create a new template for item selection like this.

<Setter Property="Template">
    <Setter.Value>
        <ControlTemplate TargetType="ListBoxItem">
            <Border
                BorderThickness="{TemplateBinding Border.BorderThickness}"
                Padding="{TemplateBinding Control.Padding}"
                BorderBrush="{TemplateBinding Border.BorderBrush}"
                Background="{TemplateBinding Panel.Background}"
                SnapsToDevicePixels="True">
                <ContentPresenter
                    Content="{TemplateBinding ContentControl.Content}"
                    ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}"
                    HorizontalAlignment="{TemplateBinding Control.HorizontalContentAlignment}"
                    VerticalAlignment="{TemplateBinding Control.VerticalContentAlignment}"
                    SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
            </Border>
        </ControlTemplate>
    </Setter.Value>
</Setter>

Object Oriented Programming offers:

1. Encapsulation, to
   • control mutation of internal state
   • limit coupling to internal representation
2. Subtyping, allowing:
   • substitution of compatible types (polymorphism)
   • a crude means of sharing implementation between classes (implementation inheritance)

Functional Programming, in Haskell or even in Scala, can allow substitution through more general mechanism of type classes. Mutable internal state is either discouraged or forbidden. Encapsulation of internal representation can also be achieved. See Haskell vs OOP for a good comparison.

Norman's assertion that "Adding a new kind of thing to a functional program may require editing many function definitions to add a new case." depends on how well the functional code has employed type classes. If Pattern Matching on a particular Abstract Data Type is spread throughout a codebase, you will indeed suffer from this problem, but it is perhaps a poor design to start with.

EDITED Removed reference to implicit conversions when discussing type classes. In Scala, type classes are encoded with implicit parameters, not conversions, although implicit conversions are another means to acheiving substitution of compatible types.

Just because you are referencing Project B's DLL doesn't mean that the Resource Manager of Project A is aware of Project B's App_GlobalResources directory.

Are you using web site projects or web application projects? In the latter, Visual Studio should allow you to link source code files (not sure about the former, I've never used them). This is a little-know but useful feature, which is described here. That way, you can link the Project B resource files into Project A.

Imagine you have a Computer entity, this entity also cannot live without its Software entity and Hardware entity. These form the Computer aggregate, the mini-ecosystem for the Computer portion of the domain.

Aggregate Root is the mothership entity inside the aggregate (in our case Computer), it is a common practice to have your repository only work with the entities that are Aggregate Roots, and this entity is responsible for initializing the other entities.

Consider Aggregate Root as an Entry-Point to an Aggregate.

In C# code:

public class Computer : IEntity, IAggregateRoot
{
    public Hardware Hardware { get; set; }
    public Software Software { get; set; }
}

public class Hardware : IEntity { }
public class Software : IValueObject { }

public class Repository<T> : IRepository<T> where T : IAggregateRoot {}

Keep in mind that Hardware would likely be a ValueObject too (do not have identity on its own), consider it as an example only.

The output is actually dependent on the content type being requested. However, at minimum you should put the resource that was created in Location. Just like the Post-Redirect-Get pattern.

In my case I leave it blank until requested otherwise. Since that is the behavior of JAX-RS when using Response.created().

However, just note that browsers and frameworks like Angular do not follow 201's automatically. I have noted the behaviour in http://www.trajano.net/2013/05/201-created-with-angular-resource/

On Linux systems and OS X, the character to input to cause an EOF is Ctrl-D. For Windows, it's Ctrl-Z.

Depending on the operating system, this character will only work if it's the first character on a line, i.e. the first character after an Enter. Since console input is often line-oriented, the system may also not recognize the EOF character until after you've followed it up with an Enter.

And yes, if that character is recognized as an EOF, then your program will never see the actual character. Instead, a C program will get a -1 from getchar().

Thank for the question. But I have found my own solution to this problem. At first, I created a method

    public T GetSettingsWithDictionary<T>() where T:new()
    {
        IConfigurationRoot _configurationRoot = new ConfigurationBuilder()
        .AddXmlFile($"{Assembly.GetExecutingAssembly().Location}.config", false, true).Build();

        var instance = new T();
        foreach (var property in typeof(T).GetProperties())
        {
            if (property.PropertyType == typeof(Dictionary<string, string>))
            {
                property.SetValue(instance, _configurationRoot.GetSection(typeof(T).Name).Get<Dictionary<string, string>>());
                break;
            }

        }
        return instance;
    }

Then I used this method to produce an instance of a class

var connStrs = GetSettingsWithDictionary<AuthMongoConnectionStrings>();

I have the next declaration of class

public class AuthMongoConnectionStrings
{
    public Dictionary<string, string> ConnectionStrings { get; set; }
}

and I store my setting in App.config

<configuration>    
  <AuthMongoConnectionStrings
  First="first"
  Second="second"
  Third="33" />
</configuration> 

Remove jars you added recently in the web-inf ->lib. for example jstl jars.

The following code creates an anonymous struct with the alias myStruct:

typedef struct{
    int one;
    int two;
} myStruct;

You can't refer it without the alias because you don't specify an identifier for the structure.

What you can do is to wrap the invocation into a function of its own.

So that

foo()

def foo():
    print "Hi!"

will break, but

def bar():
    foo()

def foo():
    print "Hi!"

bar()

will be working properly.

General rule in Python is not that function should be defined higher in the code (as in Pascal), but that it should be defined before its usage.

Hope that helps.

elementFormDefault="qualified" is used to control the usage of namespaces in XML instance documents (.xml file), rather than namespaces in the schema document itself (.xsd file).

By specifying elementFormDefault="qualified" we enforce namespace declaration to be used in documents validated with this schema.

It is common practice to specify this value to declare that the elements should be qualified rather than unqualified. However, since attributeFormDefault="unqualified" is the default value, it doesn't need to be specified in the schema document, if one does not want to qualify the namespaces.

Use either. They are both equally (in)secure, as in many cases SERVER_NAME is just populated from HTTP_HOST anyway. I normally go for HTTP_HOST, so that the user stays on the exact host name they started on. For example if I have the same site on a .com and .org domain, I don't want to send someone from .org to .com, particularly if they might have login tokens on .org that they'd lose if sent to the other domain.

Either way, you just need to be sure that your webapp will only ever respond for known-good domains. This can be done either (a) with an application-side check like Gumbo's, or (b) by using a virtual host on the domain name(s) you want that does not respond to requests that give an unknown Host header.

The reason for this is that if you allow your site to be accessed under any old name, you lay yourself open to DNS rebinding attacks (where another site's hostname points to your IP, a user accesses your site with the attacker's hostname, then the hostname is moved to the attacker's IP, taking your cookies/auth with it) and search engine hijacking (where an attacker points their own hostname at your site and tries to make search engines see it as the ‘best’ primary hostname).

Apparently the discussion is mainly about $_SERVER['PHP_SELF'] and why you shouldn't use it in the form action attribute without proper escaping to prevent XSS attacks.

Pfft. Well you shouldn't use anything in any attribute without escaping with htmlspecialchars($string, ENT_QUOTES), so there's nothing special about server variables there.

I like the fundamental differences in the way that Ruby and Python method invocations operate.

Ruby methods are invoked via a form "message passing" and need not be explicitly first-class functions (there are ways to lift methods into "proper" function-objects) -- in this aspect Ruby is similar to Smalltalk.

Python works much more like JavaScript (or even Perl) where methods are functions which are invoked directly (there is also stored context information, but...)

While this might seem like a "minor" detail it is really just the surface of how different the Ruby and Python designs are. (On the other hand, they are also quite the same :-)

One practical difference is the concept of method_missing in Ruby (which, for better or worse, seems to be used in some popular frameworks). In Python, one can (at least partially) emulate the behavior using __getattr__/__getattribute__, albeit non-idiomatically.

Is this a problem Only when you run ant -d or ant -verbose, but works other times?

I noticed this error message line:

Could not load definitions from resource org/apache/tools/ant/antlib.xml. It could not be found.

The org/apache/tools/ant/antlib.xml file is embedded in the ant.jar. The ant command is really a shell script called ant or a batch script called ant.bat. If the environment variable ANT_HOME is not set, it will figure out where it's located by looking to see where the ant command itself is located.

Sometimes I've seen this where someone will move the ant shell/batch script to put it in their path, and have ANT_HOME either not set, or set incorrectly.

What platform are you on? Is this Windows or Unix/Linux/MacOS? If you're on Windows, check to see if %ANT_HOME% is set. If it is, make sure it's the right directory. Make sure you have set your PATH to include %ANT_HOME%/bin.

If you're on Unix, don't copy the ant shell script to an executable directory. Instead, make a symbolic link. I have a directory called /usr/local/bin where I put the command I want to override the commands in /bin and /usr/bin. My Ant is installed in /opt/ant-1.9.2, and I have a symbolic link from /opt/ant-1.9.2 to /opt/ant. Then, I have symbolic links from all commands in /opt/ant/bin to /usr/local/bin. The Ant shell script can detect the symbolic links and find the correct Ant HOME location.

Next, go to your Ant installation directory and look under the lib directory to make sure ant.jar is there, and that it contains org/apache/tools/ant/antlib.xml. You can use the jar tvf ant.jar command. The only thing I can emphasize is that you do have everything setup correctly. You have your Ant shell script in your PATH either because you included the bin directory of your Ant's HOME directory in your classpath, or (if you're on Unix/Linux/MacOS), you have that file symbolically linked to a directory in your PATH.

Make sure your JAVA_HOME is set correctly (on Unix, you can use the symbolic link trick to have the java command set it for you), and that you're using Java 1.5 or higher. Java 1.4 will no longer work with newer versions of Ant.

Also run ant -version and see what you get. You might get the same error as before which leads me to think you have something wrong.

Let me know what you find, and your OS, and I can give you directions on reinstalling Ant.

Most of it is explained in the GC Tuning Guide (which you would do well to read anyway).

The command line option -verbose:gc causes information about the heap and garbage collection to be printed at each collection. For example, here is output from a large server application:

[GC 325407K->83000K(776768K), 0.2300771 secs]
[GC 325816K->83372K(776768K), 0.2454258 secs]
[Full GC 267628K->83769K(776768K), 1.8479984 secs]

Here we see two minor collections followed by one major collection. The numbers before and after the arrow (e.g., 325407K->83000K from the first line) indicate the combined size of live objects before and after garbage collection, respectively. After minor collections the size includes some objects that are garbage (no longer alive) but that cannot be reclaimed. These objects are either contained in the tenured generation, or referenced from the tenured or permanent generations.

The next number in parentheses (e.g., (776768K) again from the first line) is the committed size of the heap: the amount of space usable for java objects without requesting more memory from the operating system. Note that this number does not include one of the survivor spaces, since only one can be used at any given time, and also does not include the permanent generation, which holds metadata used by the virtual machine.

The last item on the line (e.g., 0.2300771 secs) indicates the time taken to perform the collection; in this case approximately a quarter of a second.

The format for the major collection in the third line is similar.

The format of the output produced by -verbose:gc is subject to change in future releases.

I'm not certain why there's a PSYoungGen in yours; did you change the garbage collector?

I'm just beginning Python and ran head first into Lambda- which took me a while to figure out.

Note that this isn't a condemnation of anything. Everybody has a different set of things that don't come easily.

Is lambda one of those 'interesting' language items that in real life should be forgotten?

No.

I'm sure there are some edge cases where it might be needed, but given the obscurity of it,

It's not obscure. The past 2 teams I've worked on, everybody used this feature all the time.

the potential of it being redefined in future releases (my assumption based on the various definitions of it)

I've seen no serious proposals to redefine it in Python, beyond fixing the closure semantics a few years ago.

and the reduced coding clarity - should it be avoided?

It's not less clear, if you're using it right. On the contrary, having more language constructs available increases clarity.

This reminds me of overflowing (buffer overflow) of C types - pointing to the top variable and overloading to set the other field values...sort of a techie showmanship but maintenance coder nightmare..

Lambda is like buffer overflow? Wow. I can't imagine how you're using lambda if you think it's a "maintenance nightmare".

The extern keyword takes on different forms depending on the environment. If a declaration is available, the extern keyword takes the linkage as that specified earlier in the translation unit. In the absence of any such declaration, extern specifies external linkage.

static int g();
extern int g(); /* g has internal linkage */

extern int j(); /* j has tentative external linkage */

extern int h();
static int h(); /* error */

Here are the relevant paragraphs from the C99 draft (n1256):

6.2.2 Linkages of identifiers

[...]

4 For an identifier declared with the storage-class specifier extern in a scope in which a prior declaration of that identifier is visible,23) if the prior declaration specifies internal or external linkage, the linkage of the identifier at the later declaration is the same as the linkage specified at the prior declaration. If no prior declaration is visible, or if the prior declaration specifies no linkage, then the identifier has external linkage.

5 If the declaration of an identifier for a function has no storage-class specifier, its linkage is determined exactly as if it were declared with the storage-class specifier extern. If the declaration of an identifier for an object has file scope and no storage-class specifier, its linkage is external.

You could use HorizontalContentAlignment="Stretch" as follows:

<ListBox HorizontalContentAlignment="Stretch"/>

There is no direct equivalent to C-style macros in C#, but inlined static methods - with or without #if/#elseif/#else pragmas - is the closest you can get:

        /// <summary>
        /// Prints a message when in debug mode
        /// </summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe void Log(object message) {
#if DEBUG
            Console.WriteLine(message);
#endif
        }

        /// <summary>
        /// Prints a formatted message when in debug mode
        /// </summary>
        /// <param name="format">A composite format string</param>
        /// <param name="args">An array of objects to write using format</param>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe void Log(string format, params object[] args) {
#if DEBUG
            Console.WriteLine(format, args);
#endif
        }

        /// <summary>
        /// Computes the square of a number
        /// </summary>
        /// <param name="x">The value</param>
        /// <returns>x * x</returns>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static double Square(double x) {
            return x * x;
        }

        /// <summary>
        /// Wipes a region of memory
        /// </summary>
        /// <param name="buffer">The buffer</param>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe void ClearBuffer(ref byte[] buffer) {
            ClearBuffer(ref buffer, 0, buffer.Length);
        }

        /// <summary>
        /// Wipes a region of memory
        /// </summary>
        /// <param name="buffer">The buffer</param>
        /// <param name="offset">Start index</param>
        /// <param name="length">Number of bytes to clear</param>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe void ClearBuffer(ref byte[] buffer, int offset, int length) {
            fixed(byte* ptrBuffer = &buffer[offset]) {
                for(int i = 0; i < length; ++i) {
                    *(ptrBuffer + i) = 0;
                }
            }
        }

This works perfectly as a macro, but comes with a little drawback: Methods marked as inlined will be copied to the reflection part of your assembly like any other "normal" method.

If you have added test.c to your Code::Blocks project, the definition will be seen twice - once via the #include and once by the linker. You need to:

• remove the #include "test.c"
• create a file test.h which contains the declaration: void test();

• include the file test.h in main.c

On the "How to do it" part:

I think the introduction to ScalaTest does good job of illustrating different styles of unit tests.

On the "When to do it" part:

Unit testing is not only for testing. By doing unit testing you also force the design of the software into something that is unit testable. Many people are of the opinion that this design is for the most part Good Design(TM) regardless of other benefits from testing.

So one reason to do unit test is to force your design into something that hopefully will be easier to maintain that what it would be had you not designed it for unit testing.

If everything is contained in one file, there's the command gd (as in 'goto definition'), which will take you to the first occurrence in the file of the word under the cursor, which is often the definition.

Don't shy away from the Antrun plugin. Just because some people tend to think that Ant and Maven are in opposition, they are not. Use the copy task if you need to perform some unavoidable one-off customization:

<project>
  [...]
  <build>
    <plugins>
      [...]
      <plugin>
        <artifactId>maven-antrun-plugin</artifactId>
        <executions>
          <execution>
            <phase>deploy</phase>
            <configuration>
              <target>

                <!--
                  Place any Ant task here. You can add anything
                  you can add between <target> and </target> in a
                  build.xml.
                -->

              </target>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
  [...]
</project>

In answering this question, I'm focusing on the details of what you asked. How do I copy a file? The question and the variable name lead me to a larger questions like: "Is there a better way to deal with server provisioning?" Use Maven as a build system to generate deployable artifact, then perform these customizations either in separate modules or somewhere else entirely. If you shared a bit more of your build environment, there might be a better way - there are plugins to provision a number of servers. Could you attach an assembly that is unpacked in the server's root? What server are you using?

Again, I'm sure there's a better way.

Often I'll put trivial member functions into the header file, to allow them to be inlined. But to put the entire body of code there, just to be consistent with templates? That's plain nuts.

Remember: A foolish consistency is the hobgoblin of little minds.

ListBox already contains ScrollViewer. By default the ScrollBar will show up when there is more content than space. But some containers resize themselves to accommodate their contents (e.g. StackPanel), so there is never "more content than space". In such cases, the ListBox is always given as much space as is needed for the content.

In order to calculate the condition of having more content than space, the size should be known. Make sure your ListBox has a constrained size, either by setting the size explicitly on the ListBox element itself, or from the host panel.

In case the host panel is vertical StackPanel and you want VerticalScrollBar you must set the Height on ListBox itself. For other types of containers, e.g. Grid, the ListBox can be constrained by the container. For example, you can change your original code to look like this:

<Grid Name="grid1">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="2*"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <ListBox Grid.Row="0" Name="lstFonts" Margin="3"
                 ItemsSource="{x:Static Fonts.SystemFontFamilies}"/>
    </Grid>
</Grid>

Note that it is not just the immediate container that is important. In your example, the immediate container is a Grid, but because that Grid is contained by a StackPanel, the outer StackPanel is expanded to accommodate its immediate child Grid, such that that child can expand to accommodate its child (the ListBox).

If you constrain the height at any point — by setting the height of the ListBox, by setting the height of the inner Grid, or simply by making the outer container a Grid — then a vertical scroll bar will appear automatically any time there are too many list items to fit in the control.

• *Black box testing: Is the test at system level to check the functionality of the system, to ensure that the system performs all the functions that it was designed for, Its mainly to uncover defects found at the user point. Its better to hire a professional tester to black box your system, 'coz the developer usually tests with a perspective that the codes he had written is good and meets the functional requirements of the clients so he could miss out a lot of things (I don't mean to offend anybody)
• Whitebox is the first test that is done in the SDLC.This is to uncover bugs like runtime errors and compilation errrors It can be done either by testers or by Developer himself, But I think its always better that the person who wrote the code tests it.He understands them more than another person.*

It's a matter of making the tests expressive. I set expectations on a Mock if I want the test to describe a relationship between two objects. I stub return values if I'm setting up a supporting object to get me to the interesting behaviour in the test.

1. A keystore contains private keys. You only need this if you are a server, or if the server requires client authentication.

2. A truststore contains CA certificates to trust. If your server’s certificate is signed by a recognized CA, the default truststore that ships with the JRE will already trust it (because it already trusts trustworthy CAs), so you don’t need to build your own, or to add anything to the one from the JRE.

Source

Any definition is valid. As long as you are consistent in your implementation (always put equal nodes to the right, always put them to the left, or never allow them) then you're fine. I think it is most common to not allow them, but it is still a BST if they are allowed and place either left or right.

main() in C89 and K&R C unspecified return types default to ’int`.

return 1? return 0?

1. If you do not write a return statement in int main(), the closing { will return 0 by default.

2. return 0 or return 1 will be received by the parent process. In a shell it goes into a shell variable, and if you are running your program form a shell and not using that variable then you need not worry about the return value of main().

See How can I get what my main function has returned?.

$ ./a.out
$ echo $?

This way you can see that it is the variable $? which receives the least significant byte of the return value of main().

In Unix and DOS scripting, return 0 on success and non-zero for error are usually returned. This is the standard used by Unix and DOS scripting to find out what happened with your program and controlling the whole flow.

C++ ("C Plus Plus") makes sense as .cpp

Having header files with a .hpp extension doesn't have the same logical flow.

Chrome Developer Tools has an Audits tab which can show unused CSS selectors.

Run an audit, then, under Web Page Performance see Remove unused CSS rules

Boost contains cstdint.hpp header file with the types you are looking for: http://www.boost.org/doc/libs/1_36_0/boost/cstdint.hpp

The problem you describe can be solved by defining the template in the header, or via the approach you describe above.

I recommend reading the following points from the C++ FAQ Lite:

• Why can’t I separate the definition of my templates class from its declaration and put it inside a .cpp file?
• How can I avoid linker errors with my template functions?
• How does the C++ keyword export help with template linker errors?

They go into a lot of detail about these (and other) template issues.

This table is handy for using * and ** in function construction and function call:

            In function construction         In function call
=======================================================================
          |  def f(*args):                 |  def f(a, b):
*args     |      for arg in args:          |      return a + b
          |          print(arg)            |  args = (1, 2)
          |  f(1, 2)                       |  f(*args)
----------|--------------------------------|---------------------------
          |  def f(a, b):                  |  def f(a, b):
**kwargs  |      return a + b              |      return a + b
          |  def g(**kwargs):              |  kwargs = dict(a=1, b=2)
          |      return f(**kwargs)        |  f(**kwargs)
          |  g(a=1, b=2)                   |
-----------------------------------------------------------------------

This really just serves to summarize Lorin Hochstein's answer but I find it helpful.

Relatedly: uses for the star/splat operators have been expanded in Python 3

@ImportanceOfBeingErnest 's answer is good if you only want to change the linewidth inside the legend box. But I think it is a bit more complex since you have to copy the handles before changing legend linewidth. Besides, it can not change the legend label fontsize. The following two methods can not only change the linewidth but also the legend label text font size in a more concise way.

Method 1

import numpy as np
import matplotlib.pyplot as plt

# make some data
x = np.linspace(0, 2*np.pi)

y1 = np.sin(x)
y2 = np.cos(x)

# plot sin(x) and cos(x)
fig = plt.figure()
ax  = fig.add_subplot(111)
ax.plot(x, y1, c='b', label='y1')
ax.plot(x, y2, c='r', label='y2')

leg = plt.legend()
# get the individual lines inside legend and set line width
for line in leg.get_lines():
    line.set_linewidth(4)
# get label texts inside legend and set font size
for text in leg.get_texts():
    text.set_fontsize('x-large')

plt.savefig('leg_example')
plt.show()

Method 2

import numpy as np
import matplotlib.pyplot as plt

# make some data
x = np.linspace(0, 2*np.pi)

y1 = np.sin(x)
y2 = np.cos(x)

# plot sin(x) and cos(x)
fig = plt.figure()
ax  = fig.add_subplot(111)
ax.plot(x, y1, c='b', label='y1')
ax.plot(x, y2, c='r', label='y2')

leg = plt.legend()
# get the lines and texts inside legend box
leg_lines = leg.get_lines()
leg_texts = leg.get_texts()
# bulk-set the properties of all lines and texts
plt.setp(leg_lines, linewidth=4)
plt.setp(leg_texts, fontsize='x-large')
plt.savefig('leg_example')
plt.show()

The above two methods produce the same output image:

I would suggest looking into javax.swing.JFileChooser

Here is a site with some examples in using as both 'Open' and 'Save'. http://www.java2s.com/Code/Java/Swing-JFC/DemonstrationofFiledialogboxes.htm

This will be much less work than implementing for yourself.

I was surprised nobody mentioned that iterating through an array with an integer index makes it easy for you to write faulty code by subscripting an array with the wrong index. For example, if you have nested loops using i and j as indices, you might incorrectly subscript an array with j rather than i and thus introduce a fault into the program.

In contrast, the other forms listed here, namely the range based for loop, and iterators, are a lot less error prone. The language's semantics and the compiler's type checking mechanism will prevent you from accidentally accessing an array using the wrong index.

I presume you are wanting to check if the array contains a certain value, yes? If so, use the contains method.

if(Arrays.asList(codes).contains(userCode))

My solution is casting each value with the help of callback function:

$ids = array_map( function($value) { return (int)$value; }, $ids )

Your installation is wrong; you are using a very old compiler version (1.0.3.0).

tsc --version should return a version of 2.5.2.

Check where that old compiler is located using: which tsc (or where tsc) and remove it.

Try uninstalling the "global" typescript

npm uninstall -g typescript

Installing as part of a local dev dependency of your project

npm install typescript --save-dev

Execute it from the root of your project

./node_modules/.bin/tsc

redirect_to :controller => "controller_name", :action => "action_name", :id => x.id

What worked for me:

In active httpd.conf, find

<IfModule mime_module>
...
</IfModule>

It was missing the following

AddType application/x-httpd-php .php
AddHandler application/x-httpd-php .php

After restarting apache, .php files are correctly parsed.

You can simplify the code by introducing an extra variable.

#include <string.h>
#include <stdio.h>

int main()
{
    char str[100], *s = str, *t = NULL;

    strcpy(str, "a space delimited string");
    while ((t = strtok(s, " ")) != NULL) {
        s = NULL;
        printf(":%s:\n", t);
    }
    return 0;
}

If you want it visually formatted to two decimals as a string (for output) use toFixed():

var priceString = someValue.toFixed(2);

The answer by @David has two problems:

1. It leaves the result as a floating point number, and consequently holds the possibility of displaying a particular result with many decimal places, e.g. 134.1999999999 instead of "134.20".

2. If your value is an integer or rounds to one tenth, you will not see the additional decimal value:

   var n = 1.099;
   (Math.round( n * 100 )/100 ).toString() //-> "1.1"
   n.toFixed(2)                            //-> "1.10"
   
   var n = 3;
   (Math.round( n * 100 )/100 ).toString() //-> "3"
   n.toFixed(2)                            //-> "3.00"
   

And, as you can see above, using toFixed() is also far easier to type. ;)

Problem: Even I was facing the problem where we were sending '£' with some string in POST request to CRM System, but when we were doing the GET call from CRM , it was returning '£' with some string content. So what we have analysed is that '£' was getting converted to '£'.

Analysis: The glitch which we have found after doing research is that in POST call we have set HttpWebRequest ContentType as "text/xml" while in GET Call it was "text/xml; charset:utf-8".

Solution: So as the part of solution we have included the charset:utf-8 in POST request and it works.

The Newest MySQL Versions have the new BIT data type in which you can specify the number of bits in the field, for example BIT(1) to use as Boolean type, because it can be only 0 or 1.

Another method is has_key() (if still using Python 2.X):

>>> a={"1":"one","2":"two"}
>>> a.has_key("1")
True

You can use the static method Enum.GetNames which returns an array representing the names of all the items in the enum. The length property of this array equals the number of items defined in the enum

var myEnumMemberCount = Enum.GetNames(typeof(MyEnum)).Length;

Apparently, other have (had) this problem. They rebuild in Framework 4.0. Can you?

Also, see this about making sure your IIS is fresh.

try block should be around open. Not around prompt.

while True:
    prompt = input("\n Hello to Sudoku valitator,"
    "\n \n Please type in the path to your file and press 'Enter': ")
    try:
        sudoku = open(prompt, 'r').readlines()
    except FileNotFoundError:
        print("Wrong file or file path")
    else:
        break

The answer of ADTC works fine, but I've find another solution, so I post it here if someone wants something different.

I think ADTC's solution is better, but mine's also works.

Here is the other solution I found

select p.name
from   person p
where  instr(p.name,chr(8211)) > 0; --contains the character chr(8211) 
                                    --at least 1 time

Thank you.

Use:

$('#example').dataTable({
    aLengthMenu: [
        [25, 50, 100, 200, -1],
        [25, 50, 100, 200, "All"]
    ],
    iDisplayLength: -1
});

Or if using 1.10+

$('#example').dataTable({
    paging: false
});

The option you should use is iDisplayLength:

$('#adminProducts').dataTable({
  'iDisplayLength': 100
});

$('#table').DataTable({
   "lengthMenu": [ [5, 10, 25, 50, -1], [5, 10, 25, 50, "All"] ]
});

It will Load by default all entries.

$('#example').dataTable({
    aLengthMenu: [
        [25, 50, 100, 200, -1],
        [25, 50, 100, 200, "All"]
    ],
    iDisplayLength: -1
});

Or if using 1.10+

$('#example').dataTable({
    paging: false
});

If you want to load by default 25 not all do this.

$('#example').dataTable({
    aLengthMenu: [
        [25, 50, 100, 200, -1],
        [25, 50, 100, 200, "All"]
    ],
});

Just install the updated versions of all of them.

apt-get install -y gnupg2 gnupg gnupg1

Internet Explorer’s Ajax Caching: What Are YOU Going To Do About It? suggests three approaches:

1. Add a cache busting token to the query string, like ?date=[timestamp]. In jQuery and YUI you can tell them to do this automatically.
2. Use POST instead of a GET
3. Send a HTTP response header that specifically forbids browsers to cache it

Based on Guffa's answer, in an extension class, use:

public static string[] Lines(this string source) {
    return source.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
}

You can do it programmatically:

ddlColor.DataSource = from p in db.ProductTypes
                                  where p.ProductID == pID
                                  orderby p.Color 
                                  select new { p.Color };
ddlColor.DataTextField = "Color";
ddlColor.DataBind();
ddlColor.Items.Insert(0, new ListItem("Select", "NA"));

Or add it in markup as:

<asp:DropDownList .. AppendDataBoundItems="true">
   <Items>
       <asp:ListItem Text="Select" Value="" />
   </Items>
</asp:DropDownList>

If you work in MS Visual Studio just do following

1. Put WSDL file and XSD file at the same folder.

2. Correct WSDL file like this YourSchemeFile.xsd

3. Use visual Studio using this great example How to generate service reference with only physical wsdl file

Notice that you have to put the path to your WSDL file manually. There is no way to use Open File dialog box out there.

Just complementing, I implemented this way and usually worked in my Service class

In my Service

@Override
public void onCreate()
{
    mHandler = new Handler(Looper.getMainLooper());
    mHandler.post(this);
    super.onCreate();
}

@Override
public void onDestroy() 
{
    mHandler.removeCallbacks(this);     
    super.onDestroy();
}

@Override
public void run()
{
    InciarGPSTracker();
}

SELECT @variable1 = col1, @variable2 = col2
FROM table1

I am sorry, but I must disagree with many of the other answers. I would like to stop this muddled misunderstanding of the definition of declarative programming.

Definition

Referential transparency (RT) of the sub-expressions is the only required attribute of a declarative programming expression, because it is the only attribute which is not shared with imperative programming.

Other cited attributes of declarative programming, derive from this RT. Please click the hyperlink above for the detailed explanation.

Spreadsheet example

Two answers mentioned spreadsheet programming. In the cases where the spreadsheet programming (a.k.a. formulas) does not access mutable global state, then it is declarative programming. This is because the mutable cell values are the monolithic input and output of the main() (the entire program). The new values are not written to the cells after each formula is executed, thus they are not mutable for the life of the declarative program (execution of all the formulas in the spreadsheet). Thus relative to each other, the formulas view these mutable cells as immutable. An RT function is allowed to access immutable global state (and also mutable local state).

Thus the ability to mutate the values in the cells when the program terminates (as an output from main()), does not make them mutable stored values in the context of the rules. The key distinction is the cell values are not updated after each spreadsheet formula is performed, thus the order of performing the formulas does not matter. The cell values are updated after all the declarative formulas have been performed.

In short, yes. I assume you're looking to parse English: for that you can use the Link Parser from Carnegie Mellon.

It is important to remember that there are many theories of syntax, that can give completely different-looking phrase structure trees; further, the trees are different for each language, and tools may not exist for those languages.

As a note for the future: if you need a sentence parsed out and tag it as linguistics (and syntax or whatnot, if that's available), someone can probably parse it out for you and guide you through it.

one of the best things about git is that you can change the work flow that works best for you.. I do use http://nvie.com/posts/a-successful-git-branching-model/ most of the time but you can use any workflow that fits your needs

tl;dr

ZonedDateTime.parse( 
                        "Jun 13 2003 23:11:52.454 UTC" , 
                        DateTimeFormatter.ofPattern ( "MMM d uuuu HH:mm:ss.SSS z" ) 
                    )
              .toInstant()
              .toEpochMilli()

1055545912454

java.time

This Answer expands on the Answer by Lockni.

DateTimeFormatter

First define a formatting pattern to match your input string by creating a DateTimeFormatter object.

String input = "Jun 13 2003 23:11:52.454 UTC";
DateTimeFormatter f = DateTimeFormatter.ofPattern ( "MMM d uuuu HH:mm:ss.SSS z" );

ZonedDateTime

Parse the string as a ZonedDateTime. You can think of that class as: ( Instant + ZoneId ).

ZonedDateTime zdt = ZonedDateTime.parse ( "Jun 13 2003 23:11:52.454 UTC" , f );

zdt.toString(): 2003-06-13T23:11:52.454Z[UTC]

Count-from-epoch

I do not recommend tracking date-time values as a count-from-epoch. Doing so makes debugging tricky as humans cannot discern a meaningful date-time from a number so invalid/unexpected values may slip by. Also such counts are ambiguous, in granularity (whole seconds, milli, micro, nano, etc.) and in epoch (at least two dozen in by various computer systems).

But if you insist you can get a count of milliseconds from the epoch of first moment of 1970 in UTC (1970-01-01T00:00:00) through the Instant class. Be aware this means data-loss as you are truncating any nanoseconds to milliseconds.

Instant instant = zdt.toInstant ();

instant.toString(): 2003-06-13T23:11:52.454Z

long millisSinceEpoch = instant.toEpochMilli() ; 

1055545912454

About java.time

The java.time framework is built into Java 8 and later. These classes supplant the troublesome old legacy date-time classes such as java.util.Date, Calendar, & SimpleDateFormat.

To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.

The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.

You may exchange java.time objects directly with your database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.

Where to obtain the java.time classes?

• Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
  • Java 9 adds some minor features and fixes.
• Java SE 6 and Java SE 7
  • Most of the java.time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
• Android
  • Later versions of Android bundle implementations of the java.time classes.
  • For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….

The ThreeTen-Extra project extends java.time with additional classes. This project is a proving ground for possible future additions to java.time. You may find some useful classes here such as Interval, YearWeek, YearQuarter, and more.

To use the Like Button and have the Open Graph inspect your website, you need an application.

So you need to associate the Like Button with a fb:app_id

If you want other users to see the administration page for your website on Facebook you add fb:admins. So if you are the developer of the application and the website owner there is no need to add fb:admins

I like to use:

git diff HEAD^

Or if I only want to diff a specific file:

git diff HEAD^ -- /foo/bar/baz.txt

If you only want to have a list of large files, then I'd like to provide you with the following one-liner:

join -o "1.1 1.2 2.3" <(git rev-list --objects --all | sort) <(git verify-pack -v objects/pack/*.idx | sort -k3 -n | tail -5 | sort) | sort -k3 -n

Whose output will be:

commit       file name                                  size in bytes

72e1e6d20... db/players.sql 818314
ea20b964a... app/assets/images/background_final2.png 6739212
f8344b9b5... data_test/pg_xlog/000000010000000000000001 1625545
1ecc2395c... data_development/pg_xlog/000000010000000000000001 16777216
bc83d216d... app/assets/images/background_1forfinal.psd 95533848

The last entry in the list points to the largest file in your git history.

You can use this output to assure that you're not deleting stuff with BFG you would have needed in your history.

Be aware, that you need to clone your repository with --mirror for this to work.

The easiest way is through keyword arguments:

class City():
  def __init__(self, city=None):
    pass

someCity = City(city="Berlin")

This is pretty basic stuff. Maybe look at the Python documentation?

To Completely Remove Android Studio from Windows:

Step 1: Run the Android Studio uninstaller

The first step is to run the uninstaller. Open the Control Panel and under Programs, select Uninstall a Program. After that, click on "Android Studio" and press Uninstall. If you have multiple versions, uninstall them as well.

Step 2: Remove the Android Studio files

To delete any remains of Android Studio setting files, in File Explorer, go to your user folder (%USERPROFILE%), and delete .android, .AndroidStudio and any analogous directories with versions on the end, i.e. .AndroidStudio1.2, as well as .gradle and .m2 if they exist.

Then go to %APPDATA% and delete the JetBrains directory.

Finally, go to C:\Program Files and delete the Android directory.

Step 3: Remove SDK

To delete any remains of the SDK, go to %LOCALAPPDATA% and delete the Android directory.

Step 4: Delete Android Studio projects

Android Studio creates projects in a folder %USERPROFILE%\AndroidStudioProjects, which you may want to delete.

I know this is old but this is what worked for me

Order by Isnull(Date,'12/31/9999')

$('#test').attr('checked','checked');

$('#test').removeAttr('checked');

Like this

DECLARE @date DATETIME
SET @date = '2011-09-28 18:01:00'
select convert(varchar, @date,105) + ' ' + convert(varchar, @date,108)

Focusing on one of the accepted answer's jQuery solutions, $.getScript() is an .ajax() request in disguise. It allows to execute other function on success by adding a second parameter:

$.getScript(url, function() {console.log('loaded script!')})

Or on the request's handlers themselves, i.e. success (.done() - script was loaded) or failure (.fail()):

$.getScript(_x000D_
    "https://code.jquery.com/color/jquery.color.js",_x000D_
    () => console.log('loaded script!')_x000D_
  ).done((script,textStatus ) => {_x000D_
    console.log( textStatus );_x000D_
    $(".block").animate({backgroundColor: "green"}, 1000);_x000D_
  }).fail(( jqxhr, settings, exception ) => {_x000D_
    console.log(exception + ': ' + jqxhr.status);_x000D_
  }_x000D_
);

.block {background-color: blue;width: 50vw;height: 50vh;margin: 1rem;}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<div class="block"></div>

It's important to have clear definitions of what terms mean. Unfortunately there appears to be multiple definitions of what static and dynamic arrays mean.

Static variables are variables defined using static memory allocation. This is a general concept independent of C/C++. In C/C++ we can create static variables with global, file, or local scope like this:

int x[10]; //static array with global scope
static int y[10]; //static array with file scope
foo() {
    static int z[10]; //static array with local scope

Automatic variables are usually implemented using stack-based memory allocation. An automatic array can be created in C/C++ like this:

foo() {
    int w[10]; //automatic array

What these arrays , x, y, z, and w have in common is that the size for each of them is fixed and is defined at compile time.

One of the reasons that it's important to understand the distinction between an automatic array and a static array is that static storage is usually implemented in the data section (or BSS section) of an object file and the compiler can use absolute addresses to access the arrays which is impossible with stack-based storage.

What's usually meant by a dynamic array is not one that is resizeable but one implemented using dynamic memory allocation with a fixed size determined at run-time. In C++ this is done using the new operator.

foo() {
   int *d = new int[n]; //dynamically allocated array with size n     

But it's possible to create an automatic array with a fixes size defined at runtime using alloca:

foo() {
    int *s = (int*)alloca(n*sizeof(int))

For a true dynamic array one should use something like std::vector in C++ (or a variable length array in C).

What was meant for the assignment in the OP's question? I think it's clear that what was wanted was not a static or automatic array but one that either used dynamic memory allocation using the new operator or a non-fixed sized array using e.g. std::vector.

See ?merge:

the name "row.names" or the number 0 specifies the row names.

Example:

R> de <- merge(d, e, by=0, all=TRUE)  # merge by row names (by=0 or by="row.names")
R> de[is.na(de)] <- 0                 # replace NA values
R> de
  Row.names   a   b   c   d   e   f   g   h   i  j  k  l  m  n  o  p  q  r  s
1         1 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 11 12 13 14 15 16 17 18 19
2         2 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9  1  0  0  0  0  0  0  0  0  0
3         3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  0 21 22 23 24 25 26 27 28 29
   t
1 20
2  0
3 30

This uses counting to create numeric unique ID. In my use, I will not be decrementing ever, even when the document that the ID is needed for is deleted.

Upon a collection creation that needs unique numeric value

1. Designate a collection appData with one document, set with .doc id only
2. Set uniqueNumericIDAmount to 0 in the firebase firestore console
3. Use doc.data().uniqueNumericIDAmount + 1 as the unique numeric id
4. Update appData collection uniqueNumericIDAmount with firebase.firestore.FieldValue.increment(1)

firebase
    .firestore()
    .collection("appData")
    .doc("only")
    .get()
    .then(doc => {
        var foo = doc.data();
        foo.id = doc.id;

        // your collection that needs a unique ID
        firebase
            .firestore()
            .collection("uniqueNumericIDs")
            .doc(user.uid)// user id in my case
            .set({// I use this in login, so this document doesn't
                  // exist yet, otherwise use update instead of set
                phone: this.state.phone,// whatever else you need
                uniqueNumericID: foo.uniqueNumericIDAmount + 1
            })
            .then(() => {

                // upon success of new ID, increment uniqueNumericIDAmount
                firebase
                    .firestore()
                    .collection("appData")
                    .doc("only")
                    .update({
                        uniqueNumericIDAmount: firebase.firestore.FieldValue.increment(
                            1
                        )
                    })
                    .catch(err => {
                        console.log(err);
                    });
            })
            .catch(err => {
                console.log(err);
            });
    });

Adding local classes, lambdas and the toString() method to complete the previous two answers. Further, I add arrays of lambdas and arrays of anonymous classes (which do not make any sense in practice though):

package com.example;

public final class TestClassNames {
    private static void showClass(Class<?> c) {
        System.out.println("getName():          " + c.getName());
        System.out.println("getCanonicalName(): " + c.getCanonicalName());
        System.out.println("getSimpleName():    " + c.getSimpleName());
        System.out.println("toString():         " + c.toString());
        System.out.println();
    }

    private static void x(Runnable r) {
        showClass(r.getClass());
        showClass(java.lang.reflect.Array.newInstance(r.getClass(), 1).getClass()); // Obtains an array class of a lambda base type.
    }

    public static class NestedClass {}

    public class InnerClass {}

    public static void main(String[] args) {
        class LocalClass {}
        showClass(void.class);
        showClass(int.class);
        showClass(String.class);
        showClass(Runnable.class);
        showClass(SomeEnum.class);
        showClass(SomeAnnotation.class);
        showClass(int[].class);
        showClass(String[].class);
        showClass(NestedClass.class);
        showClass(InnerClass.class);
        showClass(LocalClass.class);
        showClass(LocalClass[].class);
        Object anonymous = new java.io.Serializable() {};
        showClass(anonymous.getClass());
        showClass(java.lang.reflect.Array.newInstance(anonymous.getClass(), 1).getClass()); // Obtains an array class of an anonymous base type.
        x(() -> {});
    }
}

enum SomeEnum {
   BLUE, YELLOW, RED;
}

@interface SomeAnnotation {}

This is the full output:

getName():          void
getCanonicalName(): void
getSimpleName():    void
toString():         void

getName():          int
getCanonicalName(): int
getSimpleName():    int
toString():         int

getName():          java.lang.String
getCanonicalName(): java.lang.String
getSimpleName():    String
toString():         class java.lang.String

getName():          java.lang.Runnable
getCanonicalName(): java.lang.Runnable
getSimpleName():    Runnable
toString():         interface java.lang.Runnable

getName():          com.example.SomeEnum
getCanonicalName(): com.example.SomeEnum
getSimpleName():    SomeEnum
toString():         class com.example.SomeEnum

getName():          com.example.SomeAnnotation
getCanonicalName(): com.example.SomeAnnotation
getSimpleName():    SomeAnnotation
toString():         interface com.example.SomeAnnotation

getName():          [I
getCanonicalName(): int[]
getSimpleName():    int[]
toString():         class [I

getName():          [Ljava.lang.String;
getCanonicalName(): java.lang.String[]
getSimpleName():    String[]
toString():         class [Ljava.lang.String;

getName():          com.example.TestClassNames$NestedClass
getCanonicalName(): com.example.TestClassNames.NestedClass
getSimpleName():    NestedClass
toString():         class com.example.TestClassNames$NestedClass

getName():          com.example.TestClassNames$InnerClass
getCanonicalName(): com.example.TestClassNames.InnerClass
getSimpleName():    InnerClass
toString():         class com.example.TestClassNames$InnerClass

getName():          com.example.TestClassNames$1LocalClass
getCanonicalName(): null
getSimpleName():    LocalClass
toString():         class com.example.TestClassNames$1LocalClass

getName():          [Lcom.example.TestClassNames$1LocalClass;
getCanonicalName(): null
getSimpleName():    LocalClass[]
toString():         class [Lcom.example.TestClassNames$1LocalClass;

getName():          com.example.TestClassNames$1
getCanonicalName(): null
getSimpleName():    
toString():         class com.example.TestClassNames$1

getName():          [Lcom.example.TestClassNames$1;
getCanonicalName(): null
getSimpleName():    []
toString():         class [Lcom.example.TestClassNames$1;

getName():          com.example.TestClassNames$$Lambda$1/1175962212
getCanonicalName(): com.example.TestClassNames$$Lambda$1/1175962212
getSimpleName():    TestClassNames$$Lambda$1/1175962212
toString():         class com.example.TestClassNames$$Lambda$1/1175962212

getName():          [Lcom.example.TestClassNames$$Lambda$1;
getCanonicalName(): com.example.TestClassNames$$Lambda$1/1175962212[]
getSimpleName():    TestClassNames$$Lambda$1/1175962212[]
toString():         class [Lcom.example.TestClassNames$$Lambda$1;

So, here are the rules. First, lets start with primitive types and void:

1. If the class object represents a primitive type or void, all the four methods simply returns its name.

Now the rules for the getName() method:

2. Every non-lambda and non-array class or interface (i.e, top-level, nested, inner, local and anonymous) has a name (which is returned by getName()) that is the package name followed by a dot (if there is a package), followed by the name of its class-file as generated by the compiler (whithout the suffix .class). If there is no package, it is simply the name of the class-file. If the class is an inner, nested, local or anonymous class, the compiler should generate at least one $ in its class-file name. Note that for anonymous classes, the class name would end with a dollar-sign followed by a number.
3. Lambda class names are generally unpredictable, and you shouldn't care about they anyway. Exactly, their name is the name of the enclosing class, followed by $$Lambda$, followed by a number, followed by a slash, followed by another number.
4. The class descriptor of the primitives are Z for boolean, B for byte, S for short, C for char, I for int, J for long, F for float and D for double. For non-array classes and interfaces the class descriptor is L followed by what is given by getName() followed by ;. For array classes, the class descriptor is [ followed by the class descriptor of the component type (which may be itself another array class).
5. For array classes, the getName() method returns its class descriptor. This rule seems to fail only for array classes whose the component type is a lambda (which possibly is a bug), but hopefully this should not matter anyway because there is no point even on the existence of array classes whose component type is a lambda.

Now, the toString() method:

6. If the class instance represents an interface (or an annotation, which is a special type of interface), the toString() returns "interface " + getName(). If it is a primitive, it returns simply getName(). If it is something else (a class type, even if it is a pretty weird one), it returns "class " + getName().

The getCanonicalName() method:

7. For top-level classes and interfaces, the getCanonicalName() method returns just what the getName() method returns.
8. The getCanonicalName() method returns null for anonymous or local classes and for array classes of those.
9. For inner and nested classes and interfaces, the getCanonicalName() method returns what the getName() method would replacing the compiler-introduced dollar-signs by dots.
10. For array classes, the getCanonicalName() method returns null if the canonical name of the component type is null. Otherwise, it returns the canonical name of the component type followed by [].

The getSimpleName() method:

11. For top-level, nested, inner and local classes, the getSimpleName() returns the name of the class as written in the source file.
12. For anonymous classes the getSimpleName() returns an empty String.
13. For lambda classes the getSimpleName() just returns what the getName() would return without the package name. This do not makes much sense and looks like a bug for me, but there is no point in calling getSimpleName() on a lambda class to start with.
14. For array classes the getSimpleName() method returns the simple name of the component class followed by []. This have the funny/weird side-effect that array classes whose component type is an anonymous class have just [] as their simple names.

This is what works on my first generation Droid X with Android version 2.3.4. I suspect that this will be universal. Steps:

1. root system and install su.

2. Install busybox

3. Install a terminal program.

4. to mount system rw first su then

   busybox mount -o rw,remount system
   

5. To remount ro

   busybox mount -o ro,remount system
   

Note that there are no slashes on "system".

I'm not 100% sure this is the only difference, but it is the main difference. It is also recommended to have bi-directional associations by the Hibernate docs:

http://docs.jboss.org/hibernate/core/3.3/reference/en/html/best-practices.html

Specifically:

Prefer bidirectional associations: Unidirectional associations are more difficult to query. In a large application, almost all associations must be navigable in both directions in queries.

I personally have a slight problem with this blanket recommendation -- it seems to me there are cases where a child doesn't have any practical reason to know about its parent (e.g., why does an order item need to know about the order it is associated with?), but I do see value in it a reasonable portion of the time as well. And since the bi-directionality doesn't really hurt anything, I don't find it too objectionable to adhere to.

The most concise solution I have found uses Sympy: https://www.geeksforgeeks.org/python-sympy-line-intersection-method/

# import sympy and Point, Line 
from sympy import Point, Line 
  
p1, p2, p3 = Point(0, 0), Point(1, 1), Point(7, 7) 
l1 = Line(p1, p2) 
  
# using intersection() method 
showIntersection = l1.intersection(p3) 
  
print(showIntersection) 

Correct output:

'{"data":[{"id":"1","reason":"hello\\nworld"},{"id":"2","reason":"it\\nworks"}]}'

function json_entities( $data = null )
{           
    //stripslashes
    return str_replace( '\n',"\\"."\\n",
        htmlentities(
            utf8_encode( json_encode( $data)  ) , 
            ENT_QUOTES | ENT_IGNORE, 'UTF-8' 
        )
    );
}

Here is sample usage using expect:

#!/usr/bin/expect
set timeout 360
spawn my_command # Replace with your command.
expect "Do you want to continue?" { send "\r" }

Check: man expect for further information.

Better way is to autowire with a constructor:

private final HttpServletRequest httpServletRequest;

public ClassConstructor(HttpServletRequest httpServletRequest){
      this.httpServletRequest = httpServletRequest;
}

Save and load a dictionary. You will have arbitrary keys, values and arbitrary number of key, values pairs.

I had the same problem. In my case, the issue was that someone used BeanUtils to copy the properties of one entity to another, so we ended up having two entities referencing the same collection.

Given that I spent some time investigating this issue, I would recommend the following checklist:

• Look for scenarios like entity1.setCollection(entity2.getCollection()) and getCollection returns the internal reference to the collection (if getCollection() returns a new instance of the collection, then you don't need to worry).

• Look if clone() has been implemented correctly.

• Look for BeanUtils.copyProperties(entity1, entity2).

String[] is an array of Strings. Such an array is internally a class. Like all classes that don't explicitly extend some other class, it extends Object implicitly. The method toString() of class Object, by default, gives you the representation you see: the class name, followed by @, followed by the hash code in hex. Since the String[] class doesn't override the toString() method, you get that as a result.

Create some method that outputs the array elements for you. Iterate over the array and use System.out.print() (not print*ln*) on the elements.

Since Dijkstra is a Greedy approach, once a vertice is marked as visited for this loop, it would never be reevaluated again even if there's another path with less cost to reach it later on. And such issue could only happen when negative edges exist in the graph.

A greedy algorithm, as the name suggests, always makes the choice that seems to be the best at that moment. Assume that you have an objective function that needs to be optimized (either maximized or minimized) at a given point. A Greedy algorithm makes greedy choices at each step to ensure that the objective function is optimized. The Greedy algorithm has only one shot to compute the optimal solution so that it never goes back and reverses the decision.

To set the password, edit your redis.conf file, find this line

# requirepass foobared

Then uncomment it and change foobared to your password. Make sure you choose something pretty long, 32 characters or so would probably be good, it's easy for an outside user to guess upwards of 150k passwords a second, as the notes in the config file mention.

To authenticate with your new password using predis, the syntax you have shown is correct. Just add password as one of the connection parameters.

To shut down redis... check in your config file for the pidfile setting, it will probably be

pidfile /var/run/redis.pid

From the command line, run:

cat /var/run/redis.pid

That will give you the process id of the running server, then just kill the process using that pid:

kill 3832

Update

I also wanted to add, you could also make the /etc/init.d/redis-server stop you're used to work on your live server. All those files in /etc/init.d/ are just shell scripts, take the redis-server script off your local server, and copy it to the live server in the same location, and then just look what it does with vi or whatever you like to use, you may need to modify some paths and such, but it should be pretty simple.

Besides all of the other responses here, I really don't think that using backgroundColor in this way is the proper way to do things. Personally, I would create a UIImageView and insert it into your view hierarchy. You can either insert it into your top view and push it all the way to the back with sendSubviewToBack: or you can make the UIImageView the parent view.

I wouldn't worry about things like how efficient each implementation is at this point because unless you actually see an issue, it really doesn't matter. Your first priority for now should be writing code that you can understand and can easily be changed. Creating a UIColor to use as your background image isn't the clearest method of doing this.

The Android Gradle plugin is still in beta and this may simply be a bug. For me, setting ANDROID_HOME works, but we may be on different versions (please try again with the most recent version and let me know if it works or not).

It's also worth setting the environment variable ANDROID_SDK as well as ANDROID_HOME.

I have seen issues with this on some machines, so we do create local.properties in those cases - I have also noticed that the latest version of Android Studio will create this file for you and fill in the sdk.dir property.

Note that you shouldn't check local.properties into version control, we have added it to our gitignore so that it doesn't interfere with porting the code across systems which you rightfully identified as a potential problem.

move in windows is equivalent of mv command in Linux

del in windows is equivalent of rm command in Linux

If you are given this format it takes like a link to another page or another link.partial view majorly used for renduring the html files from one place to another.

Here's an example using a for loop that iterates the list and increments or revalidates the iterator in the event of an item being removed during traversal of the list.

for(auto i = items.begin(); i != items.end();)
{
    if(bool isActive = (*i)->update())
    {
        other_code_involving(*i);
        ++i;

    }
    else
    {
        i = items.erase(i);

    }

}

items.remove_if(CheckItemNotActive);

Karl Shifflett has created a sample application for showing dialog boxes using service approach and Prism InteractionRequest approach.

I like the service approach - It's less flexible so users are less likely to break something :) It's also consistent with the WinForms part of my application (MessageBox.Show) But if you plan to show a lot of different dialogs, then InteractionRequest is a better way to go.

http://karlshifflett.wordpress.com/2010/11/07/in-the-box-ndash-mvvm-training/

Use NSSM( the non-Sucking Service Manager ) to run a .BAT or any .EXE file as a service.

http://nssm.cc/

• Step 1: Download NSSM
• Step 2: Install your sevice with nssm.exe install [serviceName]
• Step 3: This will open a GUI which you will use to locate your executable

Just had this problem. For a while I tried the advice about removing the path, git removing the path, removing .gitmodules, removing the entry from .git/config, adding the submodule back, then committing and pushing the change. It was puzzling because it looked like no change when I did "git commit -a" so I tried pushing just the removal, then pushing the readdition to make it look like a change.

After a while I noticed by accident that after removing everything, if I ran "git submodule update --init", it had a message about a specific name that git should no longer have had any reference to: the name of the repository the submodule was linking to, not the path name it was checking it out to. Grepping revealed that this reference was in .git/index. So I ran "git rm --cached repo-name" and then readded the module. When I committed this time, the commit message included a change that it was deleting this unexpected object. After that it works fine.

Not sure what happened, I'm guessing someone misused the git submodule command, maybe reversing the arguments. Could have been me even... Hope this helps someone!

Instead of altering the original bootstrap css class create a new css file that will override the default style.

Make sure you include the new css file after including the bootstrap.css file.

In the new css file do

.form-horizontal .control-label{
   text-align:left !important; 
}

Use the retainAll() method of Set:

Set<String> s1;
Set<String> s2;
s1.retainAll(s2); // s1 now contains only elements in both sets

If you want to preserve the sets, create a new set to hold the intersection:

Set<String> intersection = new HashSet<String>(s1); // use the copy constructor
intersection.retainAll(s2);

The javadoc of retainAll() says it's exactly what you want:

Retains only the elements in this set that are contained in the specified collection (optional operation). In other words, removes from this set all of its elements that are not contained in the specified collection. If the specified collection is also a set, this operation effectively modifies this set so that its value is the intersection of the two sets.

In Kotlin List can be converted into ArrayList through passing it as a constructor parameter.

ArrayList(list)

You could open a command prompt, CD to the Debug or Release folder, and type the name of your exe. When I suggest this to people they think it is a lot of work, but here are the bare minimum clicks and keystrokes for this:

• in Visual Studio, right click your project in Solution Explorer or the tab with the file name if you have a file in the solution open, and choose Open Containing Folder or Open in Windows Explorer
• in the resulting Windows Explorer window, double-click your way to the folder with the exe
• Shift-right-click in the background of the explorer window and choose Open Commmand Window here
• type the first letter of your executable and press tab until the full name appears
• press enter

I think that's 14 keystrokes and clicks (counting shift-right-click as two for example) which really isn't much. Once you have the command prompt, of course, running it again is just up-arrow, enter.

It is possible to override the compatibility mode in intranet.

For IIS, just add the below code to the web.config. Worked for me with IE9.

<system.webServer>
  <httpProtocol>
    <customHeaders>
      <clear />
      <add name="X-UA-Compatible" value="IE=edge" />
    </customHeaders>
  </httpProtocol>
</system.webServer> 

Equivalent for Apache:

Header set X-UA-Compatible: IE=Edge

And for nginx:

add_header "X-UA-Compatible" "IE=Edge";

And for express.js:

res.set('X-UA-Compatible', 'IE=Edge')

The diffrence is very simple:

Long version

If you want to have better readability, use Math.floor. But if you want to minimize it, use tilde ~~.

There are a lot of sources on the internet saying Math.floor is faster, but sometimes ~~. I would not recommend you think about speed because it is not going to be noticed when running the code. Maybe in tests etc, but no human can see a diffrence here. What would be faster is to use ~~ for a faster load time.

Short version

~~ is shorter/takes less space. Math.floor improves the readability. Sometimes tilde is faster, sometimes Math.floor is faster, but it is not noticeable.

OK, so thanks to all of the contributors above. I am using .NET 4.6 and we also had the same issue. I spent time debugging System.Net.Http, specifically the HttpClientHandler, and found the following:

    if (ExecutionContext.IsFlowSuppressed())
    {
      IWebProxy webProxy = (IWebProxy) null;
      if (this.useProxy)
        webProxy = this.proxy ?? WebRequest.DefaultWebProxy;
      if (this.UseDefaultCredentials || this.Credentials != null || webProxy != null && webProxy.Credentials != null)
        this.SafeCaptureIdenity(state);
    }

So after assessing that the ExecutionContext.IsFlowSuppressed() might have been the culprit, I wrapped our Impersonation code as follows:

using (((WindowsIdentity)ExecutionContext.Current.Identity).Impersonate())
using (System.Threading.ExecutionContext.SuppressFlow())
{
    // HttpClient code goes here!
}

The code inside of SafeCaptureIdenity (not my spelling mistake), grabs WindowsIdentity.Current() which is our impersonated identity. This is being picked up because we are now suppressing flow. Because of the using/dispose this is reset after invocation.

It now seems to work for us, phew!

In Chrome, on the right-hand side of the URL bar when you are at a password protected URL, you should see a small key symbol. Click the symbol and it will take you directly to the Password Management area where you can remove the entry. That will ensure you receive future prompts or have an opportunity to enter a new password and save it.

If you do not see the key symbol, that same Password Management area can be accessed by going to Chrome -> Settings -> Passwords and forms -> Manage Passwords. Or more simply, this URL – chrome://settings/passwords.

Use LayoutBuilder and Get the output you want

Wrap the SingleChildScrollView with LayoutBuilder and implement the Builder function.

we can use a LayoutBuilder to get the box contains or the amount of space available.

LayoutBuilder(
    builder: (BuildContext context, BoxConstraints constraints){
      return SingleChildScrollView(
        child: Stack(
          children: <Widget>[
            Container(
              height: constraints.maxHeight,
            ),
            topTitle(context),
            middleView(context),
            bottomView(context),
          ],
        ),
      );
    }
)

request.data will be empty if request.headers["Content-Type"] is recognized as form data, which will be parsed into request.form. To get the raw data regardless of content type, use request.get_data().

request.data calls request.get_data(parse_form_data=True), which results in the different behavior for form data.

you should do as:

getline(name, sizeofname, '\n');
strtok(name, " ");

This will give you the "joht" in name then to get next token,

temp = strtok(NULL, " ");

temp will get "smith" in it. then you should use string concatination to append the temp at end of name. as:

strcat(name, temp);

(you may also append space first, to obtain a space in between).

Here, add this line to .zshrc:

export PATH=/home/david/pear/bin:$PATH

EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as far as I know, there is no reason to use it when ZSH provides better alternatives.

use the command-line tool SQLCMD which is much leaner on memory. It is as simple as:

SQLCMD -d <database-name> -i filename.sql

You need valid credentials to access your SQL Server instance or even to access a database

Taken from here.

    wp_register_script('custom-js',WP_PLUGIN_URL.'/PLUGIN_NAME/js/custom.js',array(),NULL,true);
    wp_enqueue_script('custom-js');

    $wnm_custom = array( 'template_url' => get_bloginfo('template_url') );
    wp_localize_script( 'custom-js', 'wnm_custom', $wnm_custom );

and in custom.js

alert(wnm_custom.template_url);

Since version 21, Guava library provides Streams.stream(iterator)

It does what @assylias's answer shows.

That is partly possible (for max 2 devices), because device can be connected only to one other device same time. Better solution in your case will be create an TCP server which sends informations to other devices - but that, of course, requires internet connection. Read also about Samsung Chord API - it provides functions which you need, but then every devices have to be connected to one and the same Wi-Fi network

For a 64-bit JVM running in a 64-bit OS on a 64-bit machine, is there any limit besides the theoretical limit of 2^64 bytes or 16 exabytes?

You also have to take hardware limits into account. While pointers may be 64bit current CPUs can only address a less than 2^64 bytes worth of virtual memory.

With uncompressed pointers the hotspot JVM needs a continuous chunk of virtual address space for its heap. So the second hurdle after hardware is the operating system providing such a large chunk, not all OSes support this.

And the third one is practicality. Even if you can have that much virtual memory it does not mean the CPUs support that much physical memory, and without physical memory you will end up swapping, which will adversely affect the performance of the JVM because the GCs generally have to touch a large fraction of the heap.

As other answers mention compressed oops: By bumping the object alignment higher than 8 bytes the limits with compressed oops can be increased beyond 32GB

In case you are like me, and cannot work out how to use "regular expression with capturing groups" for extract, the following code replicates the extract(...) line in Hadleys' answer:

df %>% 
    gather(question_number, value, starts_with("Q3.")) %>%
    mutate(loop_number = str_sub(question_number,-2,-2), question_number = str_sub(question_number,1,4)) %>%
    select(id, time, loop_number, question_number, value) %>% 
    spread(key = question_number, value = value)

The problem here is that the initial gather forms a key column that is actually a combination of two keys. I chose to use mutate in my original solution in the comments to split this column into two columns with equivalent info, a loop_number column and a question_number column. spread can then be used to transform the long form data, which are key value pairs (question_number, value) to wide form data.

find supports wildcard matches, just add a *:

find / -type d -name "ora10*"

Use a bytearray:

>>> frame = bytearray()
>>> frame.append(0xA2)
>>> frame.append(0x01)
>>> frame.append(0x02)
>>> frame.append(0x03)
>>> frame.append(0x04)
>>> frame
bytearray(b'\xa2\x01\x02\x03\x04')

or, using your code but fixing the errors:

frame = b""
frame += b'\xA2' 
frame += b'\x01' 
frame += b'\x02' 
frame += b'\x03'
frame += b'\x04'

The following example defines a Button1_Click event handler. When invoked, this handler uses the FindControl method to locate a control with an ID property of TextBox2 on the containing page. If the control is found, its parent is determined using the Parent property and the parent control's ID is written to the page. If TextBox2 is not found, "Control Not Found" is written to the page.

private void Button1_Click(object sender, EventArgs MyEventArgs)
{
      // Find control on page.
      Control myControl1 = FindControl("TextBox2");
      if(myControl1!=null)
      {
         // Get control's parent.
         Control myControl2 = myControl1.Parent;
         Response.Write("Parent of the text box is : " + myControl2.ID);
      }
      else
      {
         Response.Write("Control not found");
      }
}

I think you should understand what delayed expansion is. The existing answers don't explain it (sufficiently) IMHO.

Typing SET /? explains the thing reasonably well:

Delayed environment variable expansion is useful for getting around the limitations of the current expansion which happens when a line of text is read, not when it is executed. The following example demonstrates the problem with immediate variable expansion:

set VAR=before
if "%VAR%" == "before" (
    set VAR=after
    if "%VAR%" == "after" @echo If you see this, it worked
)

would never display the message, since the %VAR% in BOTH IF statements is substituted when the first IF statement is read, since it logically includes the body of the IF, which is a compound statement. So the IF inside the compound statement is really comparing "before" with "after" which will never be equal. Similarly, the following example will not work as expected:

set LIST=
for %i in (*) do set LIST=%LIST% %i
echo %LIST%

in that it will NOT build up a list of files in the current directory, but instead will just set the LIST variable to the last file found. Again, this is because the %LIST% is expanded just once when the FOR statement is read, and at that time the LIST variable is empty. So the actual FOR loop we are executing is:

for %i in (*) do set LIST= %i

which just keeps setting LIST to the last file found.

Delayed environment variable expansion allows you to use a different character (the exclamation mark) to expand environment variables at execution time. If delayed variable expansion is enabled, the above examples could be written as follows to work as intended:

set VAR=before
if "%VAR%" == "before" (
    set VAR=after
    if "!VAR!" == "after" @echo If you see this, it worked
)

set LIST=
for %i in (*) do set LIST=!LIST! %i
echo %LIST%

Another example is this batch file:

@echo off
setlocal enabledelayedexpansion
set b=z1
for %%a in (x1 y1) do (
 set b=%%a
 echo !b:1=2!
)

This prints x2 and y2: every 1 gets replaced by a 2.

Without setlocal enabledelayedexpansion, exclamation marks are just that, so it will echo !b:1=2! twice.

Because normal environment variables are expanded when a (block) statement is read, expanding %b:1=2% uses the value b has before the loop: z2 (but y2 when not set).

Here are the steps solved for me (For those who face the same problem in XCode 9.2):

1. Just manually deleted local profiles in ~/Library/MobileDevice/Provisioning Profiles.

2. Deleted and created all the certificates and provisioning profile from developers account.

3. Removed developers account from Xcode and re-added it.

Solved my problem! :-)

This is not possible. The java specification forbids the use of primitives in generics. However, you can create ArrayList<Integer> and call add(i) if i is an int thanks to boxing.

let url = URL(string: "URLSTRING HERE")
let anyvar =  String(describing: url)

Pipes in Angular 2+ are a great way to transform and format data right from your templates.

Pipes allow us to change data inside of a template; i.e. filtering, ordering, formatting dates, numbers, currencies, etc. A quick example is you can transfer a string to lowercase by applying a simple filter in the template code.

List of Built-in Pipes from API List ^Examples

{{ user.name | uppercase }}

Example of Angular version 4.4.7. ng version

Custom Pipes which accepts multiple arguments.

HTML « *ngFor="let student of students | jsonFilterBy:[searchText, 'name'] "
TS   « transform(json: any[], args: any[]) : any[] { ... }

Filtering the content using a Pipe « json-filter-by.pipe.ts

import { Pipe, PipeTransform, Injectable } from '@angular/core';

@Pipe({ name: 'jsonFilterBy' })
@Injectable()
export class JsonFilterByPipe implements PipeTransform {

  transform(json: any[], args: any[]) : any[] {
    var searchText = args[0];
    var jsonKey = args[1];

    // json = undefined, args = (2) [undefined, "name"]
    if(searchText == null || searchText == 'undefined') return json;
    if(jsonKey    == null || jsonKey    == 'undefined') return json;

    // Copy all objects of original array into new Array.
    var returnObjects = json;
    json.forEach( function ( filterObjectEntery ) {

      if( filterObjectEntery.hasOwnProperty( jsonKey ) ) {
        console.log('Search key is available in JSON object.');

        if ( typeof filterObjectEntery[jsonKey] != "undefined" && 
        filterObjectEntery[jsonKey].toLowerCase().indexOf(searchText.toLowerCase()) > -1 ) {
            // object value contains the user provided text.
        } else {
            // object didn't match a filter value so remove it from array via filter
            returnObjects = returnObjects.filter(obj => obj !== filterObjectEntery);
        }
      } else {
        console.log('Search key is not available in JSON object.');
      }

    })
    return returnObjects;
  }
}

Add to @NgModule « Add JsonFilterByPipe to your declarations list in your module; if you forget to do this you'll get an error no provider for jsonFilterBy. If you add to module then it is available to all the component's of that module.

@NgModule({
  imports: [
    CommonModule,
    RouterModule,
    FormsModule, ReactiveFormsModule,
  ],
  providers: [ StudentDetailsService ],
  declarations: [
    UsersComponent, UserComponent,

    JsonFilterByPipe,
  ],
  exports : [UsersComponent, UserComponent]
})
export class UsersModule {
    // ...
}

File Name: users.component.ts and StudentDetailsService is created from this link.

import { MyStudents } from './../../services/student/my-students';
import { Component, OnInit, OnDestroy } from '@angular/core';
import { StudentDetailsService } from '../../services/student/student-details.service';

@Component({
  selector: 'app-users',
  templateUrl: './users.component.html',
  styleUrls: [ './users.component.css' ],

  providers:[StudentDetailsService]
})
export class UsersComponent implements OnInit, OnDestroy  {

  students: MyStudents[];
  selectedStudent: MyStudents;

  constructor(private studentService: StudentDetailsService) { }

  ngOnInit(): void {
    this.loadAllUsers();
  }
  ngOnDestroy(): void {
    // ONDestroy to prevent memory leaks
  }

  loadAllUsers(): void {
    this.studentService.getStudentsList().then(students => this.students = students);
  }

  onSelect(student: MyStudents): void {
    this.selectedStudent = student;
  }

}

File Name: users.component.html

<div>
    <br />
    <div class="form-group">
        <div class="col-md-6" >
            Filter by Name: 
            <input type="text" [(ngModel)]="searchText" 
                   class="form-control" placeholder="Search By Category" />
        </div>
    </div>

    <h2>Present are Students</h2>
    <ul class="students">
    <li *ngFor="let student of students | jsonFilterBy:[searchText, 'name'] " >
        <a *ngIf="student" routerLink="/users/update/{{student.id}}">
            <span class="badge">{{student.id}}</span> {{student.name | uppercase}}
        </a>
    </li>
    </ul>
</div>

I've managed to find a CSS workaround to preventing bouncing of the viewport. The key was to wrap the content in 3 divs with -webkit-touch-overflow:scroll applied to them. The final div should have a min-height of 101%. In addition, you should explicitly set fixed widths/heights on the body tag representing the size of your device. I've added a red background on the body to demonstrate that it is the content that is now bouncing and not the mobile safari viewport.

Source code below and here is a plunker (this has been tested on iOS7 GM too). http://embed.plnkr.co/NCOFoY/preview

If you intend to run this as a full-screen app on iPhone 5, modify the height to 1136px (when apple-mobile-web-app-status-bar-style is set to 'black-translucent' or 1096px when set to 'black'). 920x is the height of the viewport once the chrome of mobile safari has been taken into account).

<!doctype html>
<html>

<head>
    <meta name="viewport" content="initial-scale=0.5,maximum-scale=0.5,minimum-scale=0.5,user-scalable=no" />
    <style>
        body { width: 640px; height: 920px; overflow: hidden; margin: 0; padding: 0; background: red; }
        .no-bounce { width: 100%; height: 100%; overflow-y: scroll; -webkit-overflow-scrolling: touch; }
        .no-bounce > div { width: 100%; height: 100%; overflow-y: scroll; -webkit-overflow-scrolling: touch; }
        .no-bounce > div > div { width: 100%; min-height: 101%; font-size: 30px; }
        p { display: block; height: 50px; }
    </style>
</head>

<body>

    <div class="no-bounce">
        <div>
            <div>
                <h1>Some title</h1>
                <p>item 1</p>
                <p>item 2</p>
                <p>item 3</p>
                <p>item 4</p>
                <p>item 5</p>
                <p>item 6</p>
                <p>item 7</p>
                <p>item 8</p>
                <p>item 9</p>
                <p>item 10</p>
                <p>item 11</p>
                <p>item 12</p>
                <p>item 13</p>
                <p>item 14</p>
                <p>item 15</p>
                <p>item 16</p>
                <p>item 17</p>
                <p>item 18</p>
                <p>item 19</p>
                <p>item 20</p>
            </div>
        </div>
    </div>

</body>

</html>

 X <- data.frame(Variable1=c(11,14,12,15),Variable2=c(2,3,1,4))
> X
  Variable1 Variable2
1        11         2
2        14         3
3        12         1
4        15         4
> X[X$Variable1!=11 & X$Variable1!=12, ]
  Variable1 Variable2
2        14         3
4        15         4
> X[ ! X$Variable1 %in% c(11,12), ]
  Variable1 Variable2
2        14         3
4        15         4

You can functionalize this however you like.

i think this - including null value = 0

 SELECT oi.id, 
         SUM(nvl(oi.quantity,0) * nvl(p.price,0)) AS total_qty 
    FROM ORDERITEM oi 
    JOIN PRODUCT p ON p.id = oi.productid 
   WHERE oi.orderid = @OrderId 
GROUP BY oi.id 

Each version of the Android Gradle Plugin now has a default version of the build tools. For the best performance, you should use the latest possible version of both Gradle and the plugin. You recive this warning in case if you use latest gradle plugin but not use latest SDK version. For example for Gradle plugin 3.2.0 (September 2018) you requires Gradle 4.6 or higher and SDK Build Tools 28.0.3 or higher.

Although you typically don't need to specify the build tools version, when using Android Gradle plugin 3.2.0 with renderscriptSupportModeEnabled set to true, you need to include the following in each module's build.gradle file: android.buildToolsVersion "28.0.3"

see more https://developer.android.com/studio/releases/gradle-plugin

After a long research and different experiments the easiest way "FOR MAC USERS" is to create a script:

open -a "Visual Studio" \
"path to first sln" \
"path to second sln" \
...

:D

You can effectively remove scientific notation in printing with this code:

options(scipen=999)

If you want to move the repository and keep history, you'll probably need filesystem access on both hosts. The simplest solution, if your backend is FSFS (the default on recent versions), is to make a filesystem copy of the entire repository folder.

If you have a Berkley DB backend, if you're not sure of what your backend is, or if you're changing SVN version numbers, you're going to want to use svnadmin to dump your old repository and load it into your new repository. Using svnadmin dump will give you a single file backup that you can copy to the new system. Then you can create the new (empty) repository and use svnadmin load, which will essentially replay all the commits along with its metadata (author, timestamp, etc).

You can read more about the dump/load process here:

http://svnbook.red-bean.com/en/1.8/svn.reposadmin.maint.html#svn.reposadmin.maint.migrate

Also, if you do svnadmin load, make sure you use the --force-uuid option, or otherwise people are going to have problems switching to the new repository. Subversion uses a UUID to identify the repository internally, and it won't let you switch a working copy to a different repository.

If you don't have filesystem access, there may be other third party options out there (or you can write something) to help you migrate: essentially you'd have to use the svn log to replay each revision on the new repository, and then fix up the metadata afterwards. You'll need the pre-revprop-change and post-revprop-change hook scripts in place to do this, which sort of assumes filesystem access, so YMMV. Or, if you don't want to keep the history, you can use your working copy to import into the new repository. But hopefully this isn't the case.

TypeError: Cannot read property 'then' of undefined when calling a Django service using AngularJS.

If you are calling a Python service, the code will look like below:

this.updateTalentSupplier=function(supplierObj){
  var promise = $http({
    method: 'POST',
      url: bbConfig.BWS+'updateTalentSupplier/',
      data:supplierObj,
      withCredentials: false,
      contentType:'application/json',
      dataType:'json'
    });
    return promise; //Promise is returned 
}

We are using MongoDB as the database(I know it doesn't matter. But if someone is searching with MongoDB + Python (Django) + AngularJS the result should come.

Yes, they do expire. There is an 'expires' value that is passed along with the 'access_token', and from what I can tell it's about 2 hours. I've been searching, but I don't see a way to request a longer expiration time.

Because otherwise scanf will think you are passing a pointer to a float which is a smaller size than a double, and it will return an incorrect value.

matches(); does not buffer, but find() buffers. find() searches to the end of the string first, indexes the result, and return the boolean value and corresponding index.

That is why when you have a code like

1:Pattern.compile("[a-z]");

2:Pattern.matcher("0a1b1c3d4");

3:int count = 0;

4:while(matcher.find()){

5:count++: }

At 4: The regex engine using the pattern structure will read through the whole of your code (index to index as specified by the regex[single character] to find at least one match. If such match is found, it will be indexed then the loop will execute based on the indexed result else if it didn't do ahead calculation like which matches(); does not. The while statement would never execute since the first character of the matched string is not an alphabet.

All answers here are correct when it comes to the ::selection pseudo element, and how it works. However, the question does in fact specifically ask how to use it on text inputs.

The only way to do that is to apply the rule via a parent of the input (any parent for that matter):

.parent ::-webkit-selection, [contenteditable]::-webkit-selection {_x000D_
 background: #ffb7b7;_x000D_
}_x000D_
_x000D_
.parent ::-moz-selection, [contenteditable]::-moz-selection {_x000D_
 background: #ffb7b7;_x000D_
}_x000D_
_x000D_
.parent ::selection, [contenteditable]::selection {_x000D_
 background: #ffb7b7;_x000D_
}_x000D_
_x000D_
/* Aesthetics */_x000D_
input, [contenteditable] {_x000D_
  border:1px solid black;_x000D_
  display:inline-block;_x000D_
  width: 150px;_x000D_
  height: 20px;_x000D_
  line-height: 20px;_x000D_
  padding: 3px;_x000D_
}

<span class="parent"><input type="text" value="Input" /></span>_x000D_
<span contenteditable>Content Editable</span>

You can use git hooks for that. Just create a hook that pushes changed to the other repo after an update.

Of course you might get merge conflicts so you have to figure how to deal with them.

You can use [FromQuery] to bind a particular model to the querystring:

https://docs.microsoft.com/en-us/aspnet/core/mvc/models/model-binding

e.g.

[HttpGet()]
public IActionResult Get([FromQuery(Name = "page")] string page)
{...}

I rewrote your code in a more organized, better-practiced way:

import tkinter as tk

class Demo1:
    def __init__(self, master):
        self.master = master
        self.frame = tk.Frame(self.master)
        self.button1 = tk.Button(self.frame, text = 'New Window', width = 25, command = self.new_window)
        self.button1.pack()
        self.frame.pack()

    def new_window(self):
        self.newWindow = tk.Toplevel(self.master)
        self.app = Demo2(self.newWindow)

class Demo2:
    def __init__(self, master):
        self.master = master
        self.frame = tk.Frame(self.master)
        self.quitButton = tk.Button(self.frame, text = 'Quit', width = 25, command = self.close_windows)
        self.quitButton.pack()
        self.frame.pack()

    def close_windows(self):
        self.master.destroy()

def main(): 
    root = tk.Tk()
    app = Demo1(root)
    root.mainloop()

if __name__ == '__main__':
    main()

Result:

Yes. It will work: FileInfo.CopyTo Method

Use this method to allow or prevent overwriting of an existing file. Use the CopyTo method to prevent overwriting of an existing file by default.

All other responses are correct, but since you asked for FileInfo, here's a sample:

FileInfo fi = new FileInfo(@"c:\yourfile.ext");
fi.CopyTo(@"d:\anotherfile.ext", true); // existing file will be overwritten

APScheduler might be what you are after.

from datetime import date
from apscheduler.scheduler import Scheduler

# Start the scheduler
sched = Scheduler()
sched.start()

# Define the function that is to be executed
def my_job(text):
    print text

# The job will be executed on November 6th, 2009
exec_date = date(2009, 11, 6)

# Store the job in a variable in case we want to cancel it
job = sched.add_date_job(my_job, exec_date, ['text'])

# The job will be executed on November 6th, 2009 at 16:30:05
job = sched.add_date_job(my_job, datetime(2009, 11, 6, 16, 30, 5), ['text'])

https://apscheduler.readthedocs.io/en/latest/

You can just get it to schedule another run by building that into the function you are scheduling.

simple and clean example of how group by works in LINQ

http://www.a2zmenu.com/LINQ/LINQ-to-SQL-Group-By-Operator.aspx

Vanilla R has a naive difftime class, but the Lubridate CRAN package lets you do what you ask:

require(lubridate)
d <- ymd(as.Date('2004-01-01')) %m+% months(1)
d
[1] "2004-02-01"

Hope that helps.

I have found the metadata plugin to be an excellent solution to the problem of storing arbitrary data with the html tag in a way that makes it easy to retrieve and use with jQuery.

Important: The actual file you include is is only 5 kb and not 37 kb (which is the size of the complete download package)

Here is an example of it being used to store values I use when generating a google analytics tracking event (note: data.label and data.value happen to be optional params)

$(function () {
    $.each($(".ga-event"), function (index, value) {
        $(value).click(function () {
            var data = $(value).metadata();
            if (data.label && data.value) {
                _gaq.push(['_trackEvent', data.category, data.action, data.label, data.value]);
            } else if (data.label) {
                _gaq.push(['_trackEvent', data.category, data.action, data.label]);
            } else {
                _gaq.push(['_trackEvent', data.category, data.action]);
            }
        });
    });
});

<input class="ga-event {category:'button', action:'click', label:'test', value:99}" type="button" value="Test"/>

If your img folder is inside your theme folder, just follow the example below:

<img src="<?php echo  get_theme_file_uri(); ?>/img/yourimagename.jpg" class="story-img" alt="your alt text">

For this your android application must have uploaded into the android market. when you upload it on the android market then use the following code to open the market with your android application.

    Intent intent = new Intent(Intent.ACTION_VIEW,Uri.parse("market://details?id=<packagename>"));
startActivity(intent);

If you want it to download and install from your own server then use the following code

Intent intent = new Intent(Intent.ACTION_VIEW,Uri.parse("http://www.example.com/sample/test.apk"));
    startActivity(intent);

I'm answering this question because there doesn't seem to be a simple and explicit solution to the problem of "cloning an array of objects in Javascript":

function deepCopy (arr) {
    var out = [];
    for (var i = 0, len = arr.length; i < len; i++) {
        var item = arr[i];
        var obj = {};
        for (var k in item) {
            obj[k] = item[k];
        }
        out.push(obj);
    }
    return out;
}

// test case

var original = [
    {'a' : 1},
    {'b' : 2}
    ];

var copy = deepCopy(original);

// change value in copy
copy[0]['a'] = 'not 1';

// original[0]['a'] still equals 1

This solution iterates the array values, then iterates the object keys, saving the latter to a new object, and then pushing that new object to a new array.

See jsfiddle. Note: a simple .slice() or [].concat() isn't enough for the objects within the array.

something like this ? :

DataTable dt = ...
DataView dv = new DataView(dt);
dv.RowFilter = "(EmpName != 'abc' or EmpName != 'xyz') and (EmpID = 5)"

Is it what you are searching for?

A. Wolff was leading you in the right direction. There are several attributes where you should not be setting a string value. You must toggle it with a boolean true or false.

.attr("hidden", false) will remove the attribute the same as using .removeAttr("hidden").

.attr("hidden", "false") is incorrect and the tag remains hidden.

You should not be setting hidden, checked, selected, or several others to any string value to toggle it.

For getting count total number of keys, use below command:

127.0.0.1:6379> DBSIZE

Its not mentioned on doc, but Left sidebar on Bootstrap 3 is possible using "Collapse" method.

As mentioned by bootstrap.js :

Collapse.prototype.dimension = function () {
    var hasWidth = this.$element.hasClass('width')
    return hasWidth ? 'width' : 'height'
  }

This mean, adding class "width" into target, will expand by width instead of height :

http://jsfiddle.net/2316sfbz/2/

In eclipse help documentation, we can all icons information as follows. Common path for all eclipse versions except eclipse version:

https://help.eclipse.org/2019-09/index.jsp?nav=%2F1

Here is one way to do this using css

HTML

<div class="imageWrapper">
    <img src="http://lorempixel.com/300/300/" alt="" />
    <a href="http://google.com" class="cornerLink">Link</a>
</div>?

CSS

.imageWrapper {
    position: relative;
    width: 300px;
    height: 300px;
}
.imageWrapper img {
    display: block;
}
.imageWrapper .cornerLink {
    opacity: 0;
    position: absolute;
    bottom: 0px;
    left: 0px;
    right: 0px;
    padding: 2px 0px;
    color: #ffffff;
    background: #000000;
    text-decoration: none;
    text-align: center;
    -webkit-transition: opacity 500ms;
    -moz-transition: opacity 500ms;
    -o-transition: opacity 500ms;
    transition: opacity 500ms;

}
.imageWrapper:hover .cornerLink {
    opacity: 0.8;
}

Demo

Or if you just want it in the bottom left corner:

Demo

It means that objects should only have as many dependencies as is needed to do their job and the dependencies should be few. Furthermore, an object’s dependencies should be on interfaces and not on “concrete” objects, when possible. (A concrete object is any object created with the keyword new.) Loose coupling promotes greater reusability, easier maintainability, and allows you to easily provide “mock” objects in place of expensive services.

The “Dependency Injection” (DI) is also known as “Inversion of Control” (IoC), can be used as a technique for encouraging this loose coupling.

There are two primary approaches to implementing DI:

1. Constructor injection
2. Setter injection

Constructor injection

It’s the technique of passing objects dependencies to its constructor.

Note that the constructor accepts an interface and not concrete object. Also, note that an exception is thrown if the orderDao parameter is null. This emphasizes the importance of receiving a valid dependency. Constructor Injection is, in my opinion, the preferred mechanism for giving an object its dependencies. It is clear to the developer while invoking the object which dependencies need to be given to the “Person” object for proper execution.

Setter Injection

But consider the following example… Suppose you have a class with ten methods that have no dependencies, but you’re adding a new method that does have a dependency on IDAO. You could change the constructor to use Constructor Injection, but this may force you to changes to all constructor calls all over the place. Alternatively, you could just add a new constructor that takes the dependency, but then how does a developer easily know when to use one constructor over the other. Finally, if the dependency is very expensive to create, why should it be created and passed to the constructor when it may only be used rarely? “Setter Injection” is another DI technique that can be used in situations such as this.

Setter Injection does not force dependencies to be passed to the constructor. Instead, the dependencies are set onto public properties exposed by the object in need. As implied previously, the primary motivators for doing this include:

1. Supporting dependency injection without having to modify the constructor of a legacy class.
2. Allowing expensive resources or services to be created as late as possible and only when needed.

Here is the example of how the above code would look like:

public class Person {
    public Person() {}

    public IDAO Address {
        set { addressdao = value; }
        get {
            if (addressdao == null)
              throw new MemberAccessException("addressdao" +
                             " has not been initialized");
            return addressdao;
        }
    }

    public Address GetAddress() {
       // ... code that uses the addressdao object
       // to fetch address details from the datasource ...
    }

    // Should not be called directly;
    // use the public property instead
    private IDAO addressdao;

Simply put these codes at top of your PHP/index file:

error_reporting(E_ALL); // Error/Exception engine, always use E_ALL

ini_set('ignore_repeated_errors', TRUE); // always use TRUE

ini_set('display_errors', FALSE); // Error/Exception display, use FALSE only in production environment or real server. Use TRUE in development environment

ini_set('log_errors', TRUE); // Error/Exception file logging engine.
ini_set('error_log', 'your/path/to/errors.log'); // Logging file path

If you want to pass with "arguments" a few others, you have to create the array of all arguments together, i.e. like this:

var Log = {
    log: function() {
        var args = ['myarg here'];
        for(i=0; i<arguments.length; i++) args = args.concat(arguments[i]);
        console.log.apply(this, args);
    }
}

public String replace(String input, Map<String, String> pairs) {
  // Reverse lexic-order of keys is good enough for most cases,
  // as it puts longer words before their prefixes ("tool" before "too").
  // However, there are corner cases, which this algorithm doesn't handle
  // no matter what order of keys you choose, eg. it fails to match "edit"
  // before "bed" in "..bedit.." because "bed" appears first in the input,
  // but "edit" may be the desired longer match. Depends which you prefer.
  final Map<String, String> sorted = 
      new TreeMap<String, String>(Collections.reverseOrder());
  sorted.putAll(pairs);
  final String[] keys = sorted.keySet().toArray(new String[sorted.size()]);
  final String[] vals = sorted.values().toArray(new String[sorted.size()]);
  final int lo = 0, hi = input.length();
  final StringBuilder result = new StringBuilder();
  int s = lo;
  for (int i = s; i < hi; i++) {
    for (int p = 0; p < keys.length; p++) {
      if (input.regionMatches(i, keys[p], 0, keys[p].length())) {
        /* TODO: check for "edit", if this is "bed" in "..bedit.." case,
         * i.e. look ahead for all prioritized/longer keys starting within
         * the current match region; iff found, then ignore match ("bed")
         * and continue search (find "edit" later), else handle match. */
        // if (better-match-overlaps-right-ahead)
        //   continue;
        result.append(input, s, i).append(vals[p]);
        i += keys[p].length();
        s = i--;
      }
    }
  }
  if (s == lo) // no matches? no changes!
    return input;
  return result.append(input, s, hi).toString();
}

Check this. This image will show for all icon size for different screen sizes

If your sole purpose is to convert a 1d array X to a 2d array just do:

X = np.reshape(X,(1, X.size))

I was a bit annoyed by the lack of benchmarks for this online, so I ran a test myself.

Note though that I don't do it on a regular basic, so please check my setup and steps for any factors that could have influenced the results unintentionally, and post your concerns in comments.

The setup was as follows:

• Intel® Core™ i7-7500U CPU @ 2.70GHz × 4
• 15.6 GiB RAM, of which I ensured around 8 GB was free during the test.
• 148.6 GB SSD drive, with plenty of free space.
• Ubuntu 16.04 64-bit
• MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64)

The tables:

create table jan_int (data1 varchar(255), data2 int(10), myindex tinyint(4)) ENGINE=InnoDB;
create table jan_int_index (data1 varchar(255), data2 int(10), myindex tinyint(4), INDEX (myindex)) ENGINE=InnoDB;
create table jan_char (data1 varchar(255), data2 int(10), myindex char(6)) ENGINE=InnoDB;
create table jan_char_index (data1 varchar(255), data2 int(10), myindex char(6), INDEX (myindex)) ENGINE=InnoDB;
create table jan_varchar (data1 varchar(255), data2 int(10), myindex varchar(63)) ENGINE=InnoDB;
create table jan_varchar_index (data1 varchar(255), data2 int(10), myindex varchar(63), INDEX (myindex)) ENGINE=InnoDB;

Then, I filled 10 million rows in each table with a PHP script whose essence is like this:

$pdo = get_pdo();

$keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ];

for ($k = 0; $k < 10; $k++) {
    for ($j = 0; $j < 1000; $j++) {
        $val = '';
        for ($i = 0; $i < 1000; $i++) {
            $val .= '("' . generate_random_string() . '", ' . rand (0, 10000) . ', "' . ($keys[rand(0, 9)]) . '"),';
        }
        $val = rtrim($val, ',');
        $pdo->query('INSERT INTO jan_char VALUES ' . $val);
    }
    echo "\n" . ($k + 1) . ' millon(s) rows inserted.';
}

For int tables, the bit ($keys[rand(0, 9)]) was replaced with just rand(0, 9), and for varchar tables, I used full US state names, without cutting or extending them to 6 characters. generate_random_string() generates a 10-character random string.

Then I ran in MySQL:

• SET SESSION query_cache_type=0;
• For jan_int table:
  • SELECT count(*) FROM jan_int WHERE myindex = 5;
  • SELECT BENCHMARK(1000000000, (SELECT count(*) FROM jan_int WHERE myindex = 5));
• For other tables, same as above, with myindex = 'califo' for char tables and myindex = 'california' for varchar tables.

Times of the BENCHMARK query on each table:

• jan_int: 21.30 sec
• jan_int_index: 18.79 sec
• jan_char: 21.70 sec
• jan_char_index: 18.85 sec
• jan_varchar: 21.76 sec
• jan_varchar_index: 18.86 sec

Regarding table & index sizes, here's the output of show table status from janperformancetest; (w/ a few columns not shown):

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Name              | Engine | Version | Row_format | Rows    | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Collation              |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| jan_int           | InnoDB |      10 | Dynamic    | 9739094 |             43 |   422510592 |               0 |            0 |   4194304 |           NULL | utf8mb4_unicode_520_ci |  
| jan_int_index     | InnoDB |      10 | Dynamic    | 9740329 |             43 |   420413440 |               0 |    132857856 |   7340032 |           NULL | utf8mb4_unicode_520_ci |   
| jan_char          | InnoDB |      10 | Dynamic    | 9726613 |             51 |   500170752 |               0 |            0 |   5242880 |           NULL | utf8mb4_unicode_520_ci |  
| jan_char_index    | InnoDB |      10 | Dynamic    | 9719059 |             52 |   513802240 |               0 |    202342400 |   5242880 |           NULL | utf8mb4_unicode_520_ci |  
| jan_varchar       | InnoDB |      10 | Dynamic    | 9722049 |             53 |   521142272 |               0 |            0 |   7340032 |           NULL | utf8mb4_unicode_520_ci |   
| jan_varchar_index | InnoDB |      10 | Dynamic    | 9738381 |             49 |   486539264 |               0 |    202375168 |   7340032 |           NULL | utf8mb4_unicode_520_ci | 
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

My conclusion is that there's no performance difference for this particular use case.

In my case, I had multiple spaces(fields were separated by one or more space) that I wanted to replace with a tab. The following did it:

:% s/\s\+/\t/g

If you installed Python 2.7, I think you could use pip2 and pip2.7 to install packages specifically for Python 2, like

pip2 install some_pacakge

or

pip2.7 install some_package

And you may use pip3 or pip3.5 to install pacakges specifically for Python 3.

If x.y.z is the common package then you can use:

<context:component-scan base-package="x.y.z.*">

it will include all the package that is start with x.y.z like: x.y.z.controller,x.y.z.service etc.

Try this small lib, works with Angular 5.0.0

• https://www.npmjs.com/package/ng2-file-upload

Quickstart example with ng2-file-upload 1.3.0:

User clicks custom button, which triggers upload dialog from hidden input type="file" , uploading started automatically after selecting single file.

app.module.ts:

import {FileUploadModule} from "ng2-file-upload";

your.component.html:

...
  <button mat-button onclick="document.getElementById('myFileInputField').click()" >
    Select and upload file
  </button>
  <input type="file" id="myFileInputField" ng2FileSelect [uploader]="uploader" style="display:none">
...

your.component.ts:

import {FileUploader} from 'ng2-file-upload';
...    
uploader: FileUploader;
...
constructor() {
   this.uploader = new FileUploader({url: "/your-api/some-endpoint"});
   this.uploader.onErrorItem = item => {
       console.error("Failed to upload");
       this.clearUploadField();
   };
   this.uploader.onCompleteItem = (item, response) => {
       console.info("Successfully uploaded");
       this.clearUploadField();

       // (Optional) Parsing of response
       let responseObject = JSON.parse(response) as MyCustomClass;

   };

   // Asks uploader to start upload file automatically after selecting file
  this.uploader.onAfterAddingFile = fileItem => this.uploader.uploadAll();
}

private clearUploadField(): void {
    (<HTMLInputElement>window.document.getElementById('myFileInputField'))
    .value = "";
}

Alternative lib, works in Angular 4.2.4, but requires some workarounds to adopt to Angular 5.0.0

• https://www.npmjs.com/package/angular2-http-file-upload

Your code "for /f "tokens=* delims=" %%x in (a.txt) do echo %%x" will work on most Windows Operating Systems unless you have modified commands.

So you could instead "cd" into the directory to read from before executing the "for /f" command to follow out the string. For instance if the file "a.txt" is located at C:\documents and settings\%USERNAME%\desktop\a.txt then you'd use the following.

cd "C:\documents and settings\%USERNAME%\desktop"
for /f "tokens=* delims=" %%x in (a.txt) do echo %%x
echo.
echo.
echo.
pause >nul
exit

But since this doesn't work on your computer for x reason there is an easier and more efficient way of doing this. Using the "type" command.

@echo off
color a
cls
cd "C:\documents and settings\%USERNAME%\desktop"
type a.txt
echo.
echo.
pause >nul
exit

Or if you'd like them to select the file from which to write in the batch you could do the following.

@echo off
:A
color a
cls
echo Choose the file that you want to read.
echo.
echo.
tree
echo.
echo.
echo.
set file=
set /p file=File:
cls
echo Reading from %file%
echo.
type %file%
echo.
echo.
echo.
set re=
set /p re=Y/N?:
if %re%==Y goto :A
if %re%==y goto :A
exit

Another option is just running up the first module with the 'docker-compose' check the ip related with the module, and connect the second module with the previous net like external, and pointing the internal ip

example app1 - new-network created in the service lines, mark as external: true at the bottom app2 - indicate the "new-network" created by app1 when goes up, mark as external: true at the bottom, and set in the config to connect, the ip that app1 have in this net.

With this, you should be able to talk with each other

*this way is just for local-test focus, in order to don't do an over complex configuration ** I know is very 'patch way' but works for me and I think is so simple some other can take advantage of this

Next release of ASP.NET MVC (available in January or so) should have MSBuild task that compiles views, so you might want to wait.

See announcement

If [John Smith] is in cell A1, then use this formula to do what you want:

=SUBSTITUTE(SUBSTITUTE(A1, "[", ""), "]", "")

The inner SUBSTITUTE replaces all instances of "[" with "" and returns a new string, then the other SUBSTITUTE replaces all instances of "]" with "" and returns the final result.

You can use round function. Here some example

numpy.round([2.15295647e+01, 8.12531501e+00, 3.97113829e+00, 1.00777250e+01],2)
array([ 21.53,   8.13,   3.97,  10.08])

IF you want change just display representation, I would not recommended to alter printing format globally, as it suggested above. I would format my output in place.

>>a=np.array([2.15295647e+01, 8.12531501e+00, 3.97113829e+00, 1.00777250e+01])
>>> print([ "{:0.2f}".format(x) for x in a ])
['21.53', '8.13', '3.97', '10.08']

If you're writing GPLed code and using GNU autotools, then a portable way that takes care of the details on many OSes (including Windows and macOS) is gnulib's relocatable-prog module.

 String id = UUID.randomUUID().toString();

See Android Developer blog article for using UUID class to get uuid

boolean is a primitive data type in Java and primitive data types can not be null like other primitives int, float etc, they should be containing default values if not assigned.

In Java, only objects can assigned to null, it means the corresponding object has no reference and so does not contain any representation in memory.

Hence If you want to work with object as null , you should be using Boolean class which wraps a primitive boolean type value inside its object.

These are called wrapper classes in Java

For Example:

Boolean bool = readValue(...); // Read Your Value
if (bool  == null) { do This ...}

[DataType(DataType.PhoneNumber)] does not come with any validation logic out of the box.

According to the docs:

When you apply the DataTypeAttribute attribute to a data field you must do the following:

• Issue validation errors as appropriate.

The [Phone] Attribute inherits from [DataType] and was introduced in .NET Framework 4.5+ and is in .NET Core which does provide it's own flavor of validation logic. So you can use like this:

[Phone()]
public string PhoneNumber { get; set; }

However, the out-of-the-box validation for Phone numbers is pretty permissive, so you might find yourself wanting to inherit from DataType and implement your own IsValid method or, as others have suggested here, use a regular expression & RegexValidator to constrain input.

Note: Use caution with Regex against unconstrained input per the best practices as .NET has made the pivot away from regular expressions in their own internal validation logic for phone numbers

I found the below command much more convenient. If you want to copy lines from 6 to 12 and paste from the current cursor position.

:6,12 co .

If you want to copy lines from 6 to 12 and paste from 100th line.

:6,12t100

Source: https://www.reddit.com/r/vim/comments/8i6vbd/efficient_ways_of_copying_few_lines/

You could also use Watir or Watin to automate browsers. Watir is written for ruby and Watin is for .Net languages. Not sure if it's what you are looking for though.

• http://watin.sourceforge.net/
• http://watir.com/

A simple non-jQuery solution, albeit with a bit of a hack for IE:

var css = ".lightbox { width: 400px; height: 400px; border: 1px solid #333}";

var htmlDiv = document.createElement('div');
htmlDiv.innerHTML = '<p>foo</p><style>' + css + '</style>';
document.getElementsByTagName('head')[0].appendChild(htmlDiv.childNodes[1]);

It seems IE does not allow setting innerText, innerHTML or using appendChild on style elements. Here is a bug report which demonstrates this, although I think it identifies the problem incorrectly. The workaround above is from the comments on the bug report and has been tested in IE6 and IE9.

Whether you use this, document.write or a more complex solution will really depend on your situation.

You have a few options.

1. Use Android assets studios Android Holo colors generator to generate the resources, styles and themes you need to add to your app to get the holo look across all devices.

2. Use holo everywhere library.

3. Use the PNG for the holo text fields and set them as background images yourself. You can get the images from the Android assets studios holo color generator. You'll have to make a drawable and define the normal, selected and disabled states.

UPDATE 2016-01-07

This answer is now outdated. Android has tinting API and ability to theme on controls directly now. A good reference for how to style or theme any element is a site called materialdoc.

Have you included the System.Web assembly in the application?

using System.Web;

If not, try specifying the System.Web namespace, for example:

 System.Web.HttpContext.Current

Another reason this could be happening is if you are using an iframe that has the sandbox attribute and allow-same-origin isn't set e.g.:

// page.html
<iframe id="f" src="http://localhost:8000/iframe.html" sandbox="allow-scripts"></iframe>
<script type="text/javascript">
    var f = document.getElementById("f").contentWindow;
    // will throw exception
    f.postMessage("hello world!", 'http://localhost:8000');
</script>

// iframe.html
<script type="text/javascript">
    window.addEventListener("message", function(event) {
        console.log(event);
    }, false);
</script>

I haven't found a solution other than:

• add allow-same-origin to the sandbox (didn't want to do that)
• use f.postMessage("hello world!", '*');

If you want to ignore the insertion of existing value, there must be a Key field in your Table. Just create a table With Primary Key Field Like:

CREATE TABLE IF NOT EXISTS TblUsers (UserId INTEGER PRIMARY KEY, UserName varchar(100), ContactName varchar(100),Password varchar(100));

And Then Insert Or Replace / Insert Or Ignore Query on the Table Like:

INSERT OR REPLACE INTO TblUsers (UserId, UserName, ContactName ,Password) VALUES('1','UserName','ContactName','Password');

It Will Not Let it Re-Enter The Existing Primary key Value... This Is how you can Check Whether a Value exists in the table or not.

• public : it is a access specifier that means it will be accessed by publically.
• static : it is access modifier that means when the java program is load then it will create the space in memory automatically.
• void : it is a return type i.e it does not return any value.
• main() : it is a method or a function name.
• string args[] : its a command line argument it is a collection of variables in the string format.

Using Kotlin

Toast.makeText(view!!.context , "your_text", Toast.LENGTH_SHORT).show()

It is true that the same-origin policy prevents JavaScript from making requests across domains, but the CORS specification allows just the sort of API access you are looking for, and is supported by the current batch of major browsers.

See how to enable cross-origin resource sharing for client and server:

http://enable-cors.org/

"Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please consider using CORS to open it up for universal JavaScript/browser access."

I think you want to handle Reference types and struct types. I use it to convert XML Element strings to a more typed type. You can remove the nullAlternative with reflection. The formatprovider is to handle the culture dependent '.' or ',' separator in e.g. decimals or ints and doubles. This may work:

public T GetValueOrNull<T>(string strElementNameToSearchFor, IFormatProvider provider = null ) 
    {
        IFormatProvider theProvider = provider == null ? Provider : provider;
        XElement elm = GetUniqueXElement(strElementNameToSearchFor);

        if (elm == null)
        {
            object o =  Activator.CreateInstance(typeof(T));
            return (T)o; 
        }
        else
        {
            try
            {
                Type type = typeof(T);
                if (type.IsGenericType &&
                type.GetGenericTypeDefinition() == typeof(Nullable<>).GetGenericTypeDefinition())
                {
                    type = Nullable.GetUnderlyingType(type);
                }
                return (T)Convert.ChangeType(elm.Value, type, theProvider); 
            }
            catch (Exception)
            {
                object o = Activator.CreateInstance(typeof(T));
                return (T)o; 
            }
        }
    }

You can use it like this:

iRes = helper.GetValueOrNull<int?>("top_overrun_length");
Assert.AreEqual(100, iRes);



decimal? dRes = helper.GetValueOrNull<decimal?>("top_overrun_bend_degrees");
Assert.AreEqual(new Decimal(10.1), dRes);

String strRes = helper.GetValueOrNull<String>("top_overrun_bend_degrees");
Assert.AreEqual("10.1", strRes);

Simply install Microsot.ReportViewer.2012.Runtime nuget package as shown in this answer https://stackoverflow.com/a/33014040/2198830

This is the way how I will debug:

CREATE PROCEDURE procedure_name() 
BEGIN
    DECLARE EXIT HANDLER FOR SQLEXCEPTION
    BEGIN
        SHOW ERRORS;  --this is the only one which you need
        ROLLBACK;   
    END; 
    START TRANSACTION;
        --query 1
        --query 2
        --query 3
    COMMIT;
END 

If query 1, 2 or 3 will throw an error, HANDLER will catch the SQLEXCEPTION and SHOW ERRORS will show errors for us. Note: SHOW ERRORS should be the first statement in the HANDLER.

This will add a path to your Python process / instance (i.e. the running executable). The path will not be modified for any other Python processes. Another running Python program will not have its path modified, and if you exit your program and run again the path will not include what you added before. What are you are doing is generally correct.

set.py:

import sys
sys.path.append("/tmp/TEST")

loop.py

import sys
import time
while True:
  print sys.path
  time.sleep(1)

run: python loop.py &

This will run loop.py, connected to your STDOUT, and it will continue to run in the background. You can then run python set.py. Each has a different set of environment variables. Observe that the output from loop.py does not change because set.py does not change loop.py's environment.

A note on importing

Python imports are dynamic, like the rest of the language. There is no static linking going on. The import is an executable line, just like sys.path.append....

Try to set response dataType property directly:

dataType: 'text'

and put

die(''); 

in the end of your php file. You've got error callback cause jquery cannot parse your response. In anyway, you may use a "complete:" callback, just to make sure your request has been processed.

I have open sourced a UITextField subclass, STATextField, that offers this functionality (and much more) with its maxCharacterLength property.

This errors means that kubectl is attempting to connect to a Kubernetes apiserver running on your local machine, which is the default if you haven't configured it to talk to a remote apiserver.

I usually use sys.platform (docs) to get the platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.

For much more detailed information, use the platform module. This has cross-platform functions that will give you information on the machine architecture, OS and OS version, version of Python, etc. Also it has os-specific functions to get things like the particular linux distribution.

In Java, Dates are internally represented in UTC milliseconds since the epoch (so timezones are not taken into account, that's why you get the same results, as getTime() gives you the mentioned milliseconds).
In your solution:

Calendar cSchedStartCal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
long gmtTime = cSchedStartCal.getTime().getTime();

long timezoneAlteredTime = gmtTime + TimeZone.getTimeZone("Asia/Calcutta").getRawOffset();
Calendar cSchedStartCal1 = Calendar.getInstance(TimeZone.getTimeZone("Asia/Calcutta"));
cSchedStartCal1.setTimeInMillis(timezoneAlteredTime);

you just add the offset from GMT to the specified timezone ("Asia/Calcutta" in your example) in milliseconds, so this should work fine.

Another possible solution would be to utilise the static fields of the Calendar class:

//instantiates a calendar using the current time in the specified timezone
Calendar cSchedStartCal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
//change the timezone
cSchedStartCal.setTimeZone(TimeZone.getTimeZone("Asia/Calcutta"));
//get the current hour of the day in the new timezone
cSchedStartCal.get(Calendar.HOUR_OF_DAY);

Refer to stackoverflow.com/questions/7695859/ for a more in-depth explanation.

update: If you're on the recent npm (version >5.2)

You can use:

npx <command>

npx looks for command in .bin directory of your node_modules

old answer:

For Windows

Store the following in a file called npm-exec.bat and add it to your %PATH%

@echo off
set cmd="npm bin"
FOR /F "tokens=*" %%i IN (' %cmd% ') DO SET modules=%%i
"%modules%"\%*

Usage

Then you can use it like npm-exec <command> <arg0> <arg1> ...

For example

To execute wdio installed in local node_modules directory, do:

npm-exec wdio wdio.conf.js

i.e. it will run .\node_modules\.bin\wdio wdio.conf.js

You can use setdefault.

for line in list:  
    d.setdefault(year, []).append(value)

This works because setdefault returns the list as well as setting it on the dictionary, and because a list is mutable, appending to the version returned by setdefault is the same as appending it to the version inside the dictionary itself. If that makes any sense.

It doesn't matter if the random_state is 0 or 1 or any other integer. What matters is that it should be set the same value, if you want to validate your processing over multiple runs of the code. By the way I have seen random_state=42 used in many official examples of scikit as well as elsewhere also.

random_state as the name suggests, is used for initializing the internal random number generator, which will decide the splitting of data into train and test indices in your case. In the documentation, it is stated that:

If random_state is None or np.random, then a randomly-initialized RandomState object is returned.

If random_state is an integer, then it is used to seed a new RandomState object.

If random_state is a RandomState object, then it is passed through.

This is to check and validate the data when running the code multiple times. Setting random_state a fixed value will guarantee that same sequence of random numbers are generated each time you run the code. And unless there is some other randomness present in the process, the results produced will be same as always. This helps in verifying the output.

"Whitespace" includes space, tabs, and CRLF. So an elegant and one-liner string function we can use is str.translate:

Python 3

' hello  apple '.translate(str.maketrans('', '', ' \n\t\r'))

OR if you want to be thorough:

import string
' hello  apple'.translate(str.maketrans('', '', string.whitespace))

Python 2

' hello  apple'.translate(None, ' \n\t\r')

OR if you want to be thorough:

import string
' hello  apple'.translate(None, string.whitespace)

switch ($method) {
    case "GET":
        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "GET");
        break;
    case "POST":
        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST");
        break;
    case "PUT":
        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
        break;
    case "DELETE":
        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "DELETE"); 
        break;
}

1. A single bracket ([) usually actually calls a program named [; man test or man [ for more info. Example:

   $ VARIABLE=abcdef
   $ if [ $VARIABLE == abcdef ] ; then echo yes ; else echo no ; fi
   yes
   

2. The double bracket ([[) does the same thing (basically) as a single bracket, but is a bash builtin.

   $ VARIABLE=abcdef
   $ if [[ $VARIABLE == 123456 ]] ; then echo yes ; else echo no ; fi
   no
   

3. Parentheses (()) are used to create a subshell. For example:

   $ pwd
   /home/user 
   $ (cd /tmp; pwd)
   /tmp
   $ pwd
   /home/user
   

   As you can see, the subshell allowed you to perform operations without affecting the environment of the current shell.

4. (a) Braces ({}) are used to unambiguously identify variables. Example:

   $ VARIABLE=abcdef
   $ echo Variable: $VARIABLE
   Variable: abcdef
   $ echo Variable: $VARIABLE123456
   Variable:
   $ echo Variable: ${VARIABLE}123456
   Variable: abcdef123456
   

   (b) Braces are also used to execute a sequence of commands in the current shell context, e.g.

   $ { date; top -b -n1 | head ; } >logfile 
   # 'date' and 'top' output are concatenated, 
   # could be useful sometimes to hunt for a top loader )
   
   $ { date; make 2>&1; date; } | tee logfile
   # now we can calculate the duration of a build from the logfile
   

There is a subtle syntactic difference with ( ), though (see bash reference) ; essentially, a semicolon ; after the last command within braces is a must, and the braces {, } must be surrounded by spaces.

Remove the comma

receipt int(10),

And also AUTO INCREMENT should be a KEY

double datatype also requires the precision of decimal places so right syntax is double(10,2)

You can use different syntax to achieve different things. If it is windows authentication you want, you could try this:

sqlcmd /S  /d  -E

If you want to use SQL Server authentication you could try this:

sqlcmd /S  /d -U -P 

Definitions:

/S = the servername/instance name. Example: Pete's Laptop/SQLSERV
/d = the database name. Example: Botlek1
-E = Windows authentication.
-U = SQL Server authentication/user. Example: Pete
-P = password that belongs to the user. Example: 1234

Hope this helps!

you can set Focus to a specific Cell by setting Selected property to true

dataGridView1.Rows[rowindex].Cells[columnindex].Selected = true;

to avoid Multiple Selection just set

dataGridView1.MultiSelect = false;

The new urllib3 library has a nice documentation here
In order to get your desired result you shuld follow that:

Import urllib3
from bs4 import BeautifulSoup

url = 'http://www.thefamouspeople.com/singers.php'

http = urllib3.PoolManager()
response = http.request('GET', url)
soup = BeautifulSoup(response.data.decode('utf-8'))

The "decode utf-8" part is optional. It worked without it when i tried, but i posted the option anyway.
Source: User Guide

Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.

foreach(DataRow row in table.Rows)
{
    object value = row["ColumnName"];
    if (value == DBNull.Value)
        // do something
    else
        // do something else
}

More information about the DBNull class

If you want to check if a null value exists in the table you can use this method:

public static bool HasNull(this DataTable table)
{
    foreach (DataColumn column in table.Columns)
    {
        if (table.Rows.OfType<DataRow>().Any(r => r.IsNull(column)))
            return true;
    }

    return false;
}

which will let you write this:

table.HasNull();

var a = ['a','b','c'];
var b = ['d','e','f'];
var c = a.concat(b); //c is now an an array with: ['a','b','c','d','e','f']
console.log( c[3] ); //c[3] will be 'd'

You can't select a sheet in a non-active workbook.

You must first activate the workbook, then you can select the sheet.

workbooks("A").activate
workbooks("A").worksheets("B").select 

When you use Activate it automatically activates the workbook.

Note you can select >1 sheet in a workbook:

activeworkbook.sheets(array("sheet1","sheet3")).select

but only one sheet can be Active, and if you activate a sheet which is not part of a multi-sheet selection then those other sheets will become un-selected.

Set "dateTime="
For /F %%A In ('powershell get-date -format "{yyyyMMdd_HHmm}"') Do Set "dateTime=%%A"
echo %dateTime%
pause

Official Microsoft docs for for command

You could open the file up and use StreamReader.ReadLine to read the file in line-by-line. Then you can use String.Split to break each line into pieces (use a \t delimiter) to extract the second number.

As the number of items is different you would need to search the string for the pattern 'item\*.ddj'.

To delete an item you could (for example) keep all of the file's contents in memory and write out a new file when the user clicks 'Save'.

If you know you're always going to use bash, it's much easier to always use the double bracket conditional compound command [[ ... ]], instead of the Posix-compatible single bracket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on

if [[ $aug1 == "and" ]];

to compare the value of $aug1 with the string and.

If you use [ ... ], you always need to remember to double quote variables like this:

if [ "$aug1" = "and" ];

If you don't quote the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only

if [ = "and" ]; 

which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)

The modern [[ operator has lots of other nice features, including regular expression matching.

This question has been answered sufficiently many times, but with C# 7.2 and the introduction of the Span type, there is a faster way to do this in unsafe code:

public static class StringSupport
{
    private static readonly int _charSize = sizeof(char);

    public static unsafe byte[] GetBytes(string str)
    {
        if (str == null) throw new ArgumentNullException(nameof(str));
        if (str.Length == 0) return new byte[0];

        fixed (char* p = str)
        {
            return new Span<byte>(p, str.Length * _charSize).ToArray();
        }
    }

    public static unsafe string GetString(byte[] bytes)
    {
        if (bytes == null) throw new ArgumentNullException(nameof(bytes));
        if (bytes.Length % _charSize != 0) throw new ArgumentException($"Invalid {nameof(bytes)} length");
        if (bytes.Length == 0) return string.Empty;

        fixed (byte* p = bytes)
        {
            return new string(new Span<char>(p, bytes.Length / _charSize));
        }
    }
}

Keep in mind that the bytes represent a UTF-16 encoded string (called "Unicode" in C# land).

Some quick benchmarking shows that the above methods are roughly 5x faster than their Encoding.Unicode.GetBytes(...)/GetString(...) implementations for medium sized strings (30-50 chars), and even faster for larger strings. These methods also seem to be faster than using pointers with Marshal.Copy(..) or Buffer.MemoryCopy(...).

This program is valid -- I can find no errors.

My guess is you have a virus on your machine. It would be best if you reformat your drive, and reinstall the operating system.

Let us know how that works out, or if you need help with the reinstall.

I hate viruses.

Another way of setting the default to the HTML web forms editor is:

1. At the top menu in Visual Studio go to File > New > File
2. Select HTML Page
3. In the lower right corner of the New File dialog on the Open button there is a down arrow
4. Click it and you should see an option Open With
5. Select HTML (Web Forms) Editor
6. Click Set as Default
7. Press OK

To do this via TSQL (ssms query window or sqlcmd.exe) just run:

RESTORE DATABASE MyDatabase FROM DISK='c:\backups\MyDataBase1.bak'

To do it via GUI - open SSMS, right click on Databases and follow the steps below

export GIT_EXTERNAL_DIFF='meld $2 $5; echo >/dev/null'

then simply:

git diff

I had to do: c:\Users\xxxx>c:/python27/scripts/pip install openpyxl I had to save the openpyxl files in the scripts folder.

I'd say there is no preferred method, it all depends on what you're going to do with the response. If the results are going to be used together in further processing then structures make sense, if not I'd tend to pass then as individual references unless the function was going to be used in a composite statement:

x = divide( x, y, z ) + divide( a, b, c );

I often choose to pass 'out structures' by reference in the parameter list rather than having the pass by copy overhead of returning a new structure (but this is sweating the small stuff).

void divide(int dividend, int divisor, Answer &ans)

Are out parameters confusing? A parameter sent as reference suggests the value is going to change (as opposed to a const reference). Sensible naming also removes confusion.

I'm working with loading images for this answer and I want them to be scaled to the device's width. I find that, for older phones with versions less than API 19 (KitKat), the behavior for Brian's answer isn't quite as I like it. It puts a lot of whitespace around some images on older phones, but works on my newer one. Here is my alternative, with help from this answer: Can Android's WebView automatically resize huge images? The layout algorithm SINGLE_COLUMN is deprecated, but it works and I feel like it is appropriate for working with older webviews.

WebSettings settings = webView.getSettings();

// Image set to width of device. (Must be done differently for API < 19 (kitkat))
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
    if (!settings.getLayoutAlgorithm().equals(WebSettings.LayoutAlgorithm.SINGLE_COLUMN))
        settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
} else {
    if (!settings.getLoadWithOverviewMode()) settings.setLoadWithOverviewMode(true);
    if (!settings.getUseWideViewPort()) settings.setUseWideViewPort(true);
}

I took the JAXB.marshal implementation and added jaxb.fragment=true to remove the XML prolog. This method can handle objects even without the XmlRootElement annotation. This also throws the unchecked DataBindingException.

public static String toXmlString(Object o) {
    try {
        Class<?> clazz = o.getClass();
        JAXBContext context = JAXBContext.newInstance(clazz);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); // remove xml prolog
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); // formatted output

        final QName name = new QName(Introspector.decapitalize(clazz.getSimpleName()));
        JAXBElement jaxbElement = new JAXBElement(name, clazz, o);

        StringWriter sw = new StringWriter();
        marshaller.marshal(jaxbElement, sw);
        return sw.toString();

    } catch (JAXBException e) {
        throw new DataBindingException(e);
    }
}

If the compiler warning bothers you, here's the templated, two parameter version.

public static <T> String toXmlString(T o, Class<T> clazz) {
    try {
        JAXBContext context = JAXBContext.newInstance(clazz);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); // remove xml prolog
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); // formatted output

        QName name = new QName(Introspector.decapitalize(clazz.getSimpleName()));
        JAXBElement jaxbElement = new JAXBElement<>(name, clazz, o);

        StringWriter sw = new StringWriter();
        marshaller.marshal(jaxbElement, sw);
        return sw.toString();

    } catch (JAXBException e) {
        throw new DataBindingException(e);
    }
}

Version 1.1.1 is the correct version for Yosemite. You need to download this directly from intel's site: https://software.intel.com/en-us/android/articles/intel-hardware-accelerated-execution-manager.

The one downloaded by SDK Manager is the older version (1.1.0). If you still want to run with version 1.1.0 - refer to the solution here - http://www.csell.net/2014/09/03/VTNX_Not_Enabled/

if you are working on dynamic permissions and any permission like ACCESS_FINE_LOCATION,ACCESS_COARSE_LOCATION giving error "cannot resolve method PERMISSION_NAME" in this case write you code with permission name and then rebuild your project this will regenerate the manifest(Manifest.permission) file.

EDIT:

Updating the answer with latest information

The maximum size allowed for a notification payload depends on which provider API you employ.

When using the legacy binary interface, maximum payload size is 2KB (2048 bytes).

When using the HTTP/2 provider API, maximum payload size is 4KB (4096 bytes). For Voice over Internet Protocol (VoIP) notifications, the maximum size is 5KB (5120 bytes)

OLD ANSWER: According to the apple doc the payload for iOS 8 is 2 kilobytes (2048 bytes) and 256 bytes for iOS 7 and prior. (removed the link as it was an old doc and it's broken now)

So if you just send text you have 2028 (iOS 8+) or 236 (iOS 7-) characters available.

The Notification Payload

Each remote notification includes a payload. The payload contains information about how the system should alert the user as well as any custom data you provide. In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.)

But I've tested and you can send 2 kilobytes to iOS 7 devices too, even in production configurations

Use JodaTime for this. It is much better than the standard Java DateTime Apis. Here is the code in JodaTime for calculating difference in days:

private static void dateDiff() {

    System.out.println("Calculate difference between two dates");
    System.out.println("=================================================================");

    DateTime startDate = new DateTime(2000, 1, 19, 0, 0, 0, 0);
    DateTime endDate = new DateTime();

    Days d = Days.daysBetween(startDate, endDate);
    int days = d.getDays();

    System.out.println("  Difference between " + endDate);
    System.out.println("  and " + startDate + " is " + days + " days.");

  }

You can use this code to add placeholder attr for every TextInput field in you form. Text for placeholders will be taken from model field labels.

class PlaceholderDemoForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super(PlaceholderDemoForm, self).__init__(*args, **kwargs)
        for field_name in self.fields:
            field = self.fields.get(field_name)  
            if field:
                if type(field.widget) in (forms.TextInput, forms.DateInput):
                    field.widget = forms.TextInput(attrs={'placeholder': field.label})

    class Meta:
        model = DemoModel

There is a problem with upgrading npm under Windows. The inital install done as part of the nodejs install using an msi package will create an npmrc file:

C:\Program Files\nodejs\node_modules\npm\npmrc

when you update npm using:

npm install -g npm@latest

it will install the new version in:

C:\Users\Jack\AppData\Roaming\npm

assuming that your name is Jack, which is %APPDATA%\npm.

The new install does not include an npmrc file and without it the global root directory will be based on where node was run from, hence it is C:\Program Files\nodejs\node_modules

You can check this by running:

npm root -g

This will not work as npm does not have permission to write into the "Program Files" directory. You need to copy the npmrc file from the original install into the new install. By default the file only has the line below:

prefix=${APPDATA}\npm

I originally wrote this answer when TypeScript was still hot-off-the-presses. Five years later, this is an OK overview, but look at Lodewijk's answer below for more depth

1000ft view...

TypeScript is a superset of JavaScript which primarily provides optional static typing, classes and interfaces. One of the big benefits is to enable IDEs to provide a richer environment for spotting common errors as you type the code.

To get an idea of what I mean, watch Microsoft's introductory video on the language.

For a large JavaScript project, adopting TypeScript might result in more robust software, while still being deployable where a regular JavaScript application would run.

It is open source, but you only get the clever Intellisense as you type if you use a supported IDE. Initially, this was only Microsoft's Visual Studio (also noted in blog post from Miguel de Icaza). These days, other IDEs offer TypeScript support too.

Are there other technologies like it?

There's CoffeeScript, but that really serves a different purpose. IMHO, CoffeeScript provides readability for humans, but TypeScript also provides deep readability for tools through its optional static typing (see this recent blog post for a little more critique). There's also Dart but that's a full on replacement for JavaScript (though it can produce JavaScript code)

Example

As an example, here's some TypeScript (you can play with this in the TypeScript Playground)

class Greeter {
    greeting: string;
    constructor (message: string) {
        this.greeting = message;
    }
    greet() {
        return "Hello, " + this.greeting;
    }
}  

And here's the JavaScript it would produce

var Greeter = (function () {
    function Greeter(message) {
        this.greeting = message;
    }
    Greeter.prototype.greet = function () {
        return "Hello, " + this.greeting;
    };
    return Greeter;
})();

Notice how the TypeScript defines the type of member variables and class method parameters. This is removed when translating to JavaScript, but used by the IDE and compiler to spot errors, like passing a numeric type to the constructor.

It's also capable of inferring types which aren't explicitly declared, for example, it would determine the greet() method returns a string.

Debugging TypeScript

Many browsers and IDEs offer direct debugging support through sourcemaps. See this Stack Overflow question for more details: Debugging TypeScript code with Visual Studio

Want to know more?

I originally wrote this answer when TypeScript was still hot-off-the-presses. Check out Lodewijk's answer to this question for some more current detail.

Is this what you are trying to do?

# Our data
text <- c("F.US.CLE.V13", "F.US.CA6.U13", "F.US.CA6.U13", "F.US.CA6.U13", 
"F.US.CA6.U13", "F.US.CA6.U13", "F.US.CA6.U13", "F.US.CA6.U13", 
"F.US.DL.U13", "F.US.DL.U13", "F.US.DL.U13", "F.US.DL.Z13", "F.US.DL.Z13"
)

#  Split into individual elements by the '.' character
#  Remember to escape it, because '.' by itself matches any single character
elems <- unlist( strsplit( text , "\\." ) )

#  We know the dataframe should have 4 columns, so make a matrix
m <- matrix( elems , ncol = 4 , byrow = TRUE )

#  Coerce to data.frame - head() is just to illustrate the top portion
head( as.data.frame( m ) )
#  V1 V2  V3  V4
#1  F US CLE V13
#2  F US CA6 U13
#3  F US CA6 U13
#4  F US CA6 U13
#5  F US CA6 U13
#6  F US CA6 U13

You can run the MySQL command SHOW FULL PROCESSLIST; to see what queries are being processed at any given time, but that probably won't achieve what you're hoping for.

The best method to get a history without having to modify every application using the server is probably through triggers. You could set up triggers so that every query run results in the query being inserted into some sort of history table, and then create a separate page to access this information.

Do be aware that this will probably considerably slow down everything on the server though, with adding an extra INSERT on top of every single query.

Edit: another alternative is the General Query Log, but having it written to a flat file would remove a lot of possibilities for flexibility of displaying, especially in real-time. If you just want a simple, easy-to-implement way to see what's going on though, enabling the GQL and then using running tail -f on the logfile would do the trick.

For anyone who lands here by searching:

content type 'application/json; charset=utf-8' was not the expected type 'text/xml; charset=utf-8

or some subset of that error:

A similar error was caused in my case by building and running a service without proper attributes. I got this error message when I tried to update the service reference in my client application. It was resolved when I correctly applied [DataContract] and [DataMember] attributes to my custom classes.

This would most likely be applicable if your service was set up and working and then it broke after you edited it.

Assume you stored that dictionary in a variable called values. To get id in to a variable, do:

idValue = values['criteria'][0]['id']

If that json is in a file, do the following to load it:

import json
jsonFile = open('your_filename.json', 'r')
values = json.load(jsonFile)
jsonFile.close()

If that json is from a URL, do the following to load it:

import urllib, json
f = urllib.urlopen("http://domain/path/jsonPage")
values = json.load(f)
f.close()

To print ALL of the criteria, you could:

for criteria in values['criteria']:
    for key, value in criteria.iteritems():
        print key, 'is:', value
    print ''

For preventing the dots in the middle of a word or after a punctuation symbol.

let parseText = function(text, limit){_x000D_
  if (text.length > limit){_x000D_
      for (let i = limit; i > 0; i--){_x000D_
          if(text.charAt(i) === ' ' && (text.charAt(i-1) != ','||text.charAt(i-1) != '.'||text.charAt(i-1) != ';')) {_x000D_
              return text.substring(0, i) + '...';_x000D_
          }_x000D_
      }_x000D_
       return text.substring(0, limit) + '...';_x000D_
  }_x000D_
  else_x000D_
      return text;_x000D_
};_x000D_
    _x000D_
    _x000D_
console.log(parseText("1234567 890",5))  // >> 12345..._x000D_
console.log(parseText("1234567 890",8))  // >> 1234567..._x000D_
console.log(parseText("1234567 890",15)) // >> 1234567 890

This might be helpful

http://opencvuser.blogspot.in/2011/08/creating-haar-cascade-classifier-aka.html

Who ever also stumbles over this post.

I belive is the correct way:

  <div *ngFor="let appointment of (_nextFourAppointments | async).availabilities;"> 
    <div>{{ appointment }}</div>
  </div>

It could be quotes themselves that are the entire problem. I had a similar problem and it was due to quotes around the column name in the CREATE TABLE statement. Note there were no whitespace issues, just quotes causing problems.

The column looked like it was called anID but was really called "anID". The quotes don't appear in typical queries so it was hard to detect (for this postgres rookie). This is on postgres 9.4.1

Some more detail:

Doing postgres=# SELECT * FROM test; gave:

  anID | value 
 ------+-------
     1 | hello
     2 | baz
     3 | foo (3 rows)

but trying to select just the first column SELECT anID FROM test; resulted in an error:

ERROR:  column "anid" does not exist 
LINE 1: SELECT anID FROM test;
                ^

Just looking at the column names didn't help: postgres=# \d test;

          Table "public.test"
 Column |       Type        | Modifiers 
--------+-------------------+-----------
 anID   | integer           | not null
 value  | character varying | 
Indexes:
    "PK on ID" PRIMARY KEY, btree ("anID")

but in pgAdmin if you click on the column name and look in the SQL pane it populated with:

ALTER TABLE test ADD COLUMN "anID" integer;
ALTER TABLE test ALTER COLUMN "anID" SET NOT NULL;

and lo and behold there are the quoutes around the column name. So then ultimately postgres=# select "anID" FROM test; works fine:

 anID 
------
    1
    2
    3
(3 rows)

Same moral, don't use quotes.

I/O Bound process:- If most part of the lifetime of a process is spent in i/o state, then the process is a i/o bound process.example:-calculator,internet explorer

CPU Bound process:- If most part of the process life is spent in cpu,then it is cpu bound process.

You can use assertThrows(). My example is taken from the docs http://junit.org/junit5/docs/current/user-guide/

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

....

@Test
void exceptionTesting() {
    Throwable exception = assertThrows(IllegalArgumentException.class, () -> {
        throw new IllegalArgumentException("a message");
    });
    assertEquals("a message", exception.getMessage());
}