If you use Spring Boot, you can also enable a “debug” mode by starting your application with a --debug flag.

java -jar myapp.jar --debug

You can also specify debug=true in your application.properties.

When the debug mode is enabled, a selection of core loggers (embedded container, Hibernate, and Spring Boot) are configured to output more information. Enabling the debug mode does not configure your application to log all messages with DEBUG level.

Alternatively, you can enable a “trace” mode by starting your application with a --trace flag (or trace=true in your application.properties). Doing so enables trace logging for a selection of core loggers (embedded container, Hibernate schema generation, and the whole Spring portfolio).

https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-logging.html

Allain basically has the java code, so you can use that. However, his expression only matches if your numbers are only preceded by a stream of word characters.

"(\\d+)"

should be able to find the first string of digits. You don't need to specify what's before it, if you're sure that it's going to be the first string of digits. Likewise, there is no use to specify what's after it, unless you want that. If you just want the number, and are sure that it will be the first string of one or more digits then that's all you need.

If you expect it to be offset by spaces, it will make it even more distinct to specify

"\\s+(\\d+)\\s+"

might be better.

If you need all three parts, this will do:

"(\\D+)(\\d+)(.*)"

EDIT The Expressions given by Allain and Jack suggest that you need to specify some subset of non-digits in order to capture digits. If you tell the regex engine you're looking for \d then it's going to ignore everything before the digits. If J or A's expression fits your pattern, then the whole match equals the input string. And there's no reason to specify it. It probably slows a clean match down, if it isn't totally ignored.

By reading your exception , It's sure that you forgot to autowire customerService

You should autowire your customerservice .

make following changes in your controller class

@Controller
public class CustomerController{

    @Autowired
    private Customerservice customerservice;
......other code......

}

Again your service implementation class

write

@Service
public class CustomerServiceImpl implements CustomerService {
    @Autowired
    private CustomerDAO customerDAO;
......other code......

.....add transactional methods
}

If you are using hibernate make necessary changes in your applicationcontext xml file(configuration of session factory is needed).

you should autowire sessionFactory set method in your DAO mplementation

please find samle application context :

<?xml  version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:jee="http://www.springframework.org/schema/jee"
    xmlns:lang="http://www.springframework.org/schema/lang"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:util="http://www.springframework.org/schema/util"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
        http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <context:annotation-config />
    <context:component-scan base-package="com.sparkle" />
    <!-- Configures the @Controller programming model -->
    <mvc:annotation-driven />

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" 
            p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" p:order="0" />

    <bean id="messageSource"
        class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath:messages" />
        <property name="defaultEncoding" value="UTF-8" />
    </bean>
    <!-- <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"
        p:location="/WEB-INF/jdbc.properties" /> -->

     <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">         
        <list>
            <value>/WEB-INF/jdbc.properties</value>          

        </list>    
    </property>     
    </bean>




    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource"
        p:driverClassName="${jdbc.driverClassName}"
        p:url="${jdbc.databaseurl}" p:username="${jdbc.username}"
        p:password="${jdbc.password}" />


    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation">
            <value>classpath:hibernate.cfg.xml</value>
        </property>
        <property name="configurationClass">
            <value>org.hibernate.cfg.AnnotationConfiguration</value>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${jdbc.dialect}</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>

    <tx:annotation-driven />


   <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"
          p:sessionFactory-ref="sessionFactory"/>


</beans>

note that i am using jdbc.properties file for jdbc url and driver specification

If you need to mix colour from variable and alpha transparency, and with solutions that include rgba() function you get an error like

      background-color: rgba(#{$color}, 0.3);
                       ^
      $color: #002366 is not a color.
   ?
   ¦       background-color: rgba(#{$color}, 0.3);
   ¦                         ^^^^^^^^^^^^^^^^^^^^

Something like this might be useful.

$meeting-room-colors: (
  Neumann: '#002366',
  Turing: '#FF0000',
  Lovelace: '#00BFFF',
  Shared: '#00FF00',
  Chilling: '#FF1493',
);
$color-alpha: EE;

@each $name, $color in $meeting-room-colors {

  .#{$name} {

     background-color: #{$color}#{$color-alpha};

  }

}

I am a little late to the party but here is my part

$(document).on('keydown', function ( e ) {
    // You may replace `c` with whatever key you want
    if ((e.metaKey || e.ctrlKey) && ( String.fromCharCode(e.which).toLowerCase() === 'c') ) {
        console.log( "You pressed CTRL + C" );
    }
});

You can get the value of selected radio button by Id using this in javascript/jQuery.

$("#InvCopyRadio:checked").val();

I hope this will help.

One thing to note, if you have a log4j.properties file on your classpath you do not need to call BasicConfigurator. A description of how to configure the properties file is here.

You could pinpoint whether your IDE is causing the issue by trying to run this class from the command line with log4j.jar and log4j.properties on your classpath.

TL;DR; Your SQL Server instance is using dynamic ports which is not working. Force SQL Server to use static port # 1433.

Complete Details: First of all this problem is more likely if you've a mix of default and named instance or named instances only(which was my case).

Key concept: Each instance of Microsoft SQL Server installed on a computer uses a different port to listen for incoming connection requests. Default instance of SQL Server uses port # 1433. As you install named instances then they will start using dynamic ports which is decided at the time of start-up of Windows service corresponding to named SQL Server instance.

My code was failing (with error code 40) to connect to the only named SQL Server instance that I had on my VM. You can try below possible solutions:

Solution # 1: Client code trying to connect to SQL Server instance takes help from SQL Server browser service to figure out port number at which your named instance is listening for incoming connections. Make sure SQL browser service is running on your computer.

Solution # 2: Check the port # (in yellow color) your named SQL Server instance is using from SQL Server configuration manager as shown in the snapshot below:

Use that port number explicitly in your connection string or with sqlcmd shown below:

sqlcmd -s mymachinename,11380 -i deleteDB.sql -o SQLDelete.txt

Solution # 3: Force your named instance to use port # 1433 which is used by default instance. Remember this will work only if you don't have any default SQL Server instance on your computer as the default SQL Server instance would be using using port # 1433 already. Same port number can't be uses by two different Windows services.

Mark TCP Dynamic ports field to blank and TCP Port field to 1433.

Change the port number in your connection string as shown below:

sqlcmd -s mymachinename\instanceName -i deleteDB.sql -o SQLDelete.txt

OR

sqlcmd -s mymachinename,1433 -i deleteDB.sql -o SQLDelete.txt

Note: Every change in TCP/IP settings requires corresponding Windows service restart.

Interestingly enough after resolving the error when I went back to dynamic port setting to reproduce the same error then it didn't happen. Not sure why.

Please read below interesting threads to know more about dynamic ports of SQL Server:

How to configure SQL Server Port on multiple instances?

When is a Dynamic Port “dynamic”?

When to use a TCP dynamic port and when TCP Port?

I got leads to solution of my problem from this blog.

I ended up using something similar to the accepted answer, with minor modifications

(^$)|(\s+$)

Explanation by the Expresso

Select from 2 alternatives (^$)
    [1] A numbered captured group ^$
        Beginning of line ^
        End of line $
    [2] A numbered captured group (\s+$)
        Whitespace, one or more repetitions \s+
        End of line $

You need to set the scope of the dependency to 'provided' in your POM.

http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Dependency_Scope

<dependency>  
  <groupId>javax.servlet</groupId>
  <artifactId>servlet-api</artifactId>
  <version>2.4</version>
  <scope>provided</scope>
</dependency>

Then everything will be fine.

find /abs/path/ -name '*.js'

Edit: As Brian points out, add -type f if you want only plain files, and not directories, links, etc.

It's called models.Model and not models.model (case sensitive). Fix your Poll model like this -

class Poll(models.Model):
    question = models.CharField(max_length=200) 
    pub_date = models.DateTimeField('date published')

if your port is 7001, since it's the default it might not be mentioned in the config.xml. config.xml only reports stuff which differs from the default, for sake of simplicity.

apart from the config.xml, you should look into a number of other places under your domain-home:

bin/stopWebLogic.sh
bin/stopManagedWebLogic.sh
bin/startManagedWebLogic.sh
config/fmwconfig/servers/osbts1as/applications/em/META-INF/emoms.properties
config/config.xml
init-info/startscript.xml
init-info/tokenValue.properties

servers/osbts1as/data/nodemanager/osbts1as.url
servers/osbts1as/data/ldap/conf/replicas.prop
servers/osbts1ms1/data/nodemanager/osbts1ms1.url
servers/osbts1ms1/data/nodemanager/startup.properties

servers/osbts1ms2/data/nodemanager/osbts1ms2.url
servers/osbts1ms2/data/nodemanager/startup.properties
startManagedWebLogic_readme.txt
sysman/state/targets.xml

And don't forget to update any internal URIs of your deployed code.

See also http://www.javamonamour.org/2013/04/weblogic-change-admin-port-number.html

Especially changing the listen address/port of the admin can be troublesome. If you change only the managed server, it's a lot easier.

The best option is just rebuilding the domain.

use the String.Trim() function.

string foo = "   hello ";
string bar = foo.Trim();

Console.WriteLine(bar); // writes "hello"

To get both upper and lower case merge the two ranges:

$alphas = array_merge(range('A', 'Z'), range('a', 'z'));

You can also find range of prime numbers till the given number by user.

CODE:

class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Input a number to find Prime numbers\n");
            int inp = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("\n Prime Numbers are:\n------------------------------");
            int count = 0;

            for (int i = 1; i <= inp; i++)
            {
                for (int j = 2; j < i; j++) // j=2 because if we divide any number with 1 the remaider will always 0, so skip this step to minimize time duration.
                {
                    if (i % j != 0)
                    {
                        count += 1;
                    }
                }
                if (count == (i - 2))
                    {
                        Console.Write(i + "\t"); 
                    }

                count = 0;
            }

            Console.ReadKey();

        }
    }

If you're just looking for a more concise syntax you can put the for loop on one line:

array = ['a', 'b']
for value in array: print(value)

Just separate additional statements with a semicolon.

array = ['a', 'b']
for value in array: print(value); print('hello')

This may not conform to your local style guide, but it could make sense to do it like this when you're playing around in the console.

I'll add that if you want to read the dimensions, you can do this:

int[][][] a = new int[4][3][2];

System.out.println(a.length);  // 4
System.out.println(a[0].length); // 3
System.out.println(a[0][0].length); //2

You can also have jagged arrays, where different rows have different lengths, so a[0].length != a[1].length.

According to the docs numpy.loadtxt is

a fast reader for simply formatted files. The genfromtxt function provides more sophisticated handling of, e.g., lines with missing values.

so there are only a few options to handle more complicated files. As mentioned numpy.genfromtxt has more options. So as an example you could use

import numpy as np
data = np.genfromtxt('e:\dir1\datafile.csv', delimiter=',', skip_header=10,
                     skip_footer=10, names=['x', 'y', 'z'])

to read the data and assign names to the columns (or read a header line from the file with names=True) and than plot it with

ax1.plot(data['x'], data['y'], color='r', label='the data')

I think numpy is quite well documented now. You can easily inspect the docstrings from within ipython or by using an IDE like spider if you prefer to read them rendered as HTML.

var data = [
    ["a1", "a2", "a3"],
    ["b1", "b2", "b3"],
    ["c1", "c2", "c3"]
];

var col0 = data.map(d => d[0]); // [ 'a1', 'b1', 'c1' ]

var col1 = data.map(d => d[1]); // [ 'a2', 'b2', 'c2' ]

input file element:

<input type="file" id="fileinput" />

get file :

var myFile = $('#fileinput').prop('files');

It can be like this

obj = model.objects.filter(id=emp_id)[0]

or

obj = model.objects.latest('id')

UPDATE:

I came up with this solution when I was pretty new to web design. Now that I am older and wiser, the answer Liam gave seems to be a better option. See the next top answer; it is a more productive solution.

I worked on a project recently and this example worked perfectly. I am giving you the link below.

First you have to add jQuery mobile:

http://jquerymobile.com/

This adds the touch functionality, and then you just have to make events such as swipe:

<script>
$(document).ready(function() {
   $("#myCarousel").swiperight(function() {
      $(this).carousel('prev');
    });
   $("#myCarousel").swipeleft(function() {
      $(this).carousel('next');
   });
});
</script>

The link is below, where you can find the tutorial I used:

http://lazcreative.com/blog/how-to/how-to-adding-swipe-support-to-bootstraps-carousel/

There are three parts:

1. Add a 'shebang' at the top of your script which tells how to execute your script
2. Give the script 'run' permissions.
3. Make the script in your PATH so you can run it from anywhere.

Adding a shebang

You need to add a shebang at the top of your script so the shell knows which interpreter to use when parsing your script. It is generally:

#!path/to/interpretter

To find the path to your python interpretter on your machine you can run the command:

which python

This will search your PATH to find the location of your python executable. It should come back with a absolute path which you can then use to form your shebang. Make sure your shebang is at the top of your python script:

#!/usr/bin/python

Run Permissions

You have to mark your script with run permissions so that your shell knows you want to actually execute it when you try to use it as a command. To do this you can run this command:

chmod +x myscript.py

Add the script to your path

The PATH environment variable is an ordered list of directories that your shell will search when looking for a command you are trying to run. So if you want your python script to be a command you can run from anywhere then it needs to be in your PATH. You can see the contents of your path running the command:

echo $PATH

This will print out a long line of text, where each directory is seperated by a semicolon. Whenever you are wondering where the actual location of an executable that you are running from your PATH, you can find it by running the command:

which <commandname>

Now you have two options: Add your script to a directory already in your PATH, or add a new directory to your PATH. I usually create a directory in my user home directory and then add it the PATH. To add things to your path you can run the command:

export PATH=/my/directory/with/pythonscript:$PATH

Now you should be able to run your python script as a command anywhere. BUT! if you close the shell window and open a new one, the new one won't remember the change you just made to your PATH. So if you want this change to be saved then you need to add that command at the bottom of your .bashrc or .bash_profile

Broadcast receivers receive events of a certain type. I don't think you can invoke them by class name.

First, your IntentFilter must contain an event.

static final String SOME_ACTION = "com.yourcompany.yourapp.SOME_ACTION";
IntentFilter intentFilter = new IntentFilter(SOME_ACTION);

Second, when you send a broadcast, use this same action:

Intent i = new Intent(SOME_ACTION);
sendBroadcast(i);

Third, do you really need MyIntentService to be inline? Static? [EDIT] I discovered that MyIntentSerivce MUST be static if it is inline.

Fourth, is your service declared in the AndroidManifest.xml?

You can add them as dependencies:

<dependencies>
    <dependency>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-clean-plugin</artifactId>
        <version>2.4.1</version>
    </dependency>
</dependencies>

Intellij will resolve them. After successfull import dependencies, you can clean them.

A jQuery solution

HTML

<select id="foo">
  <option value="1">1</option>
  <option value="2">2</option>
  <option value="3">3</option>
</select>

Javascript

// remove child "option" element with a "value" attribute equal to "2"
$("#foo > option[value='2']").remove();

// remove all child "option" elements
$("#foo > option").remove();

References:

Attribute Equals Selector [name=value]

Selects elements that have the specified attribute with a value exactly equal to a certain value.

Child Selector (“parent > child”)

Selects all direct child elements specified by "child" of elements specified by "parent"

.remove()

Similar to .empty(), the .remove() method takes elements out of the DOM. We use .remove() when we want to remove the element itself, as well as everything inside it. In addition to the elements themselves, all bound events and jQuery data associated with the elements are removed.

function add(){
    var first=parseFloat($("#first").val());
    var second=parseFloat($("#second").val());
    $("#result").val(+(first+second).toFixed(2));
}

DEMO.

Comparison doesn't work on structs in C or C++. Compare by fields instead.

A lot of people, including me, use sqlfiddle.com to test SQL.

git reset HEAD <file1> <file2> ...

remove the specified files from the next commit

I am working on an application in which we track live route. Passenger wants to show current position of driver and the expected arrival time to reach at his/her location. So I need to add some duration into current time.

So I found the below mentioned way to do the same. We can add any duration(hour,minutes and seconds) in our current time by moment:

var travelTime = moment().add(642, 'seconds').format('hh:mm A');// it will add 642 seconds in the current time and will give time in 03:35 PM format

var travelTime = moment().add(11, 'minutes').format('hh:mm A');// it will add 11 mins in the current time and will give time in 03:35 PM format; can use m or minutes 

var travelTime = moment().add(2, 'hours').format('hh:mm A');// it will add 2 hours in the current time and will give time in 03:35 PM format

It fulfills my requirement. May be it can help you.

The build-in raw_input should help.

for i in range(3):
    print ("So much work to do!")
k = raw_input("Press any key to continue...")
print ("Ok, back to work.")

/*

If your delimiters are slash-based, escape it:

\/*

* means "0 or more of the previous repeatable pattern", which can be a single character, a character class or a group.

This error occurs when your project references out of date schemas. Use Visual Studio to generate new ones.

In Visual Studio, do the following:

1. Open your app.config or web.config file.
2. Go to the XML menu and select Create Schema.

This will trigger app#.xsd (Windows app) or web#.xsd (Website) file(s) to generate.

3. Save the newly generated xsd file(s) to the root of the project.
   • Open up your App.config or web.config file, right-click in the text-editor and select properties and click the ... button next to the value for Schemas.
   • Add the newly generated xsd file(s) using the Add button.
   • Click OK

The Could not find schema information for the attribute/element error(s) should now be resolved.

You could put the text into a div (or other container) with a width of 50%.

http://jsfiddle.net/6gjsd/

div.test td, div.test caption, div.test th 

works for me.

The child selector > does not work in IE6.

I had the same error today, after deploying our service calling an external service to the staging environment in azure. Local the service called the external service without errors, but after deployment it didn't.

In the end it turned out to be that the external service has a IP validation. The new environment in Azure has another IP and it was rejected.

So if you ever get this error calling external services

It might be an IP restriction.

- (IBAction)toggleSpinner:(id)sender
{
    if (self.spinner.isAnimating)
    {
        [self.spinner stopAnimating];
        ((UIButton *)sender).titleLabel.text = @"Start spinning";
        [self.controlState setValue:[NSNumber numberWithBool:NO] forKey:@"SpinnerAnimatingState"];
    }
    else
    {
        [self.spinner startAnimating];
        ((UIButton *)sender).titleLabel.text = @"Stop spinning";
        [self.controlState setValue:[NSNumber numberWithBool:YES] forKey:@"SpinnerAnimatingState"];
    }
}

For my case, the exception was raised because I tried to mock a package-access method. When I changed the method access level from package to protected the exception went away. E.g. inside below Java class,

public class Foo {
    String getName(String id) {
        return mMap.get(id);
    }
}

the method String getName(String id) has to be AT LEAST protected level so that the mocking mechanism (sub-classing) can work.

Not sure it will fit all use-cases but I often use a simple trick to get the wrapping behaviour: put your Label with AutoSize=false inside a 1x1 TableLayoutPanel which will take care of the Label's size.

I use this method for bubble sorting

public static int[] bubbleSort (int[] a) {
    int n = a.length;
    int j = 0;
    boolean swap = true;
    while (swap) {
        swap = false;
        for (int j = 1; j < n; j++) {
            if (a[j-1] > a[j]) {
                j = a[j-1];
                a[j-1] = a[j];
                a[j] = j;
                swap = true;
            }
        }
        n = n - 1;
    }
    return a;
}//end bubbleSort

$file = __DIR__."/file1.txt";
$f = fopen($file, "r");
$array1 = array();

while ( $line = fgets($f, 1000) )
{
    $nl = mb_strtolower($line,'UTF-8');
    $array1[] = $nl;
}

print_r($array);

I simply just add e(fx)clipse in eclipse marketplace. Easy and simple

if you are on Linux (Ubuntu)... the go to File-> Settings-> Plugin and select plugin from respective location.

If you are on Mac OS... the go to File-> Preferences-> Plugin and select plugin from respective location.

The easiest way to call a function safely using the name stored in a variable is,

//I want to call method deploy that is stored in functionname 
$functionname = 'deploy';

$retVal = {$functionname}('parameters');

I have used like below to create migration tables in Laravel dynamically,

foreach(App\Test::$columns as $name => $column){
        $table->{$column[0]}($name);
}

You can change your approach slightly - use Console.ReadKey() to stop your app, but do your work in a background thread:

static void Main(string[] args)
{
    var myWorker = new MyWorker();
    myWorker.DoStuff();
    Console.WriteLine("Press any key to stop...");
    Console.ReadKey();
}

In the myWorker.DoStuff() function you would then invoke another function on a background thread (using Action<>() or Func<>() is an easy way to do it), then immediately return.

Parameters can be set on the fly also.

mvn test -DargLine="-Dsystem.test.property=test"

See http://www.cowtowncoder.com/blog/archives/2010/04/entry_385.html

Add this line right after the query you want to print.

Example:

$query = $this->db->query('SELECT * FROM table WHERE condition');

//Add this line.

var_dump($this->db->last_query());

exit();

or

echo $this->db->last_query();

Java

I thought I would give my full solution since there are two different ways of getting a screenshot. One is from the local browser, and one is from the remote browser. I even embed the image into the HTML report:

@After()
public void selenium_after_step(Scenario scenario) throws IOException, JSONException {

    if (scenario.isFailed()){

        scenario.write("Current URL = " + driver.getCurrentUrl() + "\n");

        try{
            driver.manage().window().maximize();  // Maximize window to get full screen for chrome
        }
        catch (org.openqa.selenium.WebDriverException e){
            System.out.println(e.getMessage());
        }

        try {
            if(isAlertPresent()){
                Alert alert = getAlertIfPresent();
                alert.accept();
            }
            byte[] screenshot;
            if(false /*Remote Driver flow*/) { // Get a screenshot from the remote driver
                Augmenter augmenter = new Augmenter();
                TakesScreenshot ts = (TakesScreenshot) augmenter.augment(driver);
                screenshot = ts.getScreenshotAs(OutputType.BYTES);
            } 
            else { // Get a screenshot from the local driver
                // Local webdriver user flow
                screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES);
            }
            scenario.embed(screenshot, "image/png"); // Embed the image in reports
        } 
        catch (WebDriverException wde) {
            System.err.println(wde.getMessage());
        } 
        catch (ClassCastException cce) {
            cce.printStackTrace();
        }
    }

    //seleniumCleanup();
}

Let's understand in simple words

• PRI - It's a primary key, and used to identify records uniquely.
• UNI - It's a unique key, and also used to identify records uniquely. It looks similar like primary key but a table can have multiple unique keys and unique key can have one null value, on the other hand table can have only one primary key and can't store null as a primary key.
• MUL - It's doesn't have unique constraint and table can have multiple MUL columns.

Note: These keys have more depth as a concept but this is good to start.

The easiest way to do this is generate a KML file (see http://code.google.com/apis/kml/articles/csvtokml.html for a possible solution). You can then open that up in Google Maps by storing it online and linking to it from Google Maps as described at http://code.google.com/apis/kml/documentation/whatiskml.html

EDIT: http://www.gpsbabel.org/ may let you do it without coding.

This issue seems to like the following.

How to resolve repository certificate error in Gradle build

Below steps may help:

1. Add certificate to keystore-

Import some certifications into Android Studio JDK cacerts from Android Studio’s cacerts.

Android Studio’s cacerts may be located in

{your-home-directory}/.AndroidStudio3.0/system/tasks/cacerts

I used the following import command.

$ keytool -importkeystore -v -srckeystore {src cacerts} -destkeystore {dest cacerts}

2. Add modified cacert path to gradle.properties-

systemProp.javax.net.ssl.trustStore={your-android-studio-directory}\\jre\\jre\\lib\\security\\cacerts
systemProp.javax.net.ssl.trustStorePassword=changeit

Ref : https://www.cresco.co.jp/blog/entry/2014//

#multi argument

def joke(r):
     if len(r)==2:
          x, y = r
          return x + y
     elif len(r)==3:
           x,y,z=r
           return x+y+z

#using map

    print(list(map(joke,[[2,3],[3,4,5]])))

output = [6,12]

if the case like above and just want use function

def add(x,y):
    ar =[]
    for xx in x:
         ar.append(xx+y)
    return ar
print(list(map(add,[[3,2,4]],[2]))[0])
output = [5,4,6]

Note: you can modified as you want.

select  sql_text, count(*) as "OPEN CURSORS", user_name from v$open_cursor
group by sql_text, user_name order by count(*) desc;

appears to work for me.

That is an HTTP header. You would configure your webserver or webapp to send this header ideally. Perhaps in htaccess or PHP.

Alternatively you might be able to use

<head>...<meta http-equiv="Access-Control-Allow-Origin" content="*">...</head>

I do not know if that would work. Not all HTTP headers can be configured directly in the HTML.

This works as an alternative to many HTTP headers, but see @EricLaw's comment below. This particular header is different.

Caveat

This answer is strictly about how to set headers. I do not know anything about allowing cross domain requests.

About HTTP Headers

Every request and response has headers. The browser sends this to the webserver

GET /index.htm HTTP/1.1

Then the headers

Host: www.example.com
User-Agent: (Browser/OS name and version information)
.. Additional headers indicating supported compression types and content types and other info

Then the server sends a response

Content-type: text/html
Content-length: (number of bytes in file (optional))
Date: (server clock)
Server: (Webserver name and version information)

Additional headers can be configured for example Cache-Control, it all depends on your language (PHP, CGI, Java, htaccess) and webserver (Apache, etc).

Introduction

Currently accepted answer doesn't work (throws exception) and there are too many workarounds but no complete code. This is obviously wasting lots of people's time because this is a popular question.

Combining Mark Byers' answer and Karol Tyl's answer I wrote full code based on how I want to use the Process.Start method.

Usage

I have used it to create progress dialog around git commands. This is how I've used it:

    private bool Run(string fullCommand)
    {
        Error = "";
        int timeout = 5000;

        var result = ProcessNoBS.Start(
            filename: @"C:\Program Files\Git\cmd\git.exe",
            arguments: fullCommand,
            timeoutInMs: timeout,
            workingDir: @"C:\test");

        if (result.hasTimedOut)
        {
            Error = String.Format("Timeout ({0} sec)", timeout/1000);
            return false;
        }

        if (result.ExitCode != 0)
        {
            Error = (String.IsNullOrWhiteSpace(result.stderr)) 
                ? result.stdout : result.stderr;
            return false;
        }

        return true;
    }

In theory you can also combine stdout and stderr, but I haven't tested that.

Code

public struct ProcessResult
{
    public string stdout;
    public string stderr;
    public bool hasTimedOut;
    private int? exitCode;

    public ProcessResult(bool hasTimedOut = true)
    {
        this.hasTimedOut = hasTimedOut;
        stdout = null;
        stderr = null;
        exitCode = null;
    }

    public int ExitCode
    {
        get 
        {
            if (hasTimedOut)
                throw new InvalidOperationException(
                    "There was no exit code - process has timed out.");

            return (int)exitCode;
        }
        set
        {
            exitCode = value;
        }
    }
}

public class ProcessNoBS
{
    public static ProcessResult Start(string filename, string arguments,
        string workingDir = null, int timeoutInMs = 5000,
        bool combineStdoutAndStderr = false)
    {
        using (AutoResetEvent outputWaitHandle = new AutoResetEvent(false))
        using (AutoResetEvent errorWaitHandle = new AutoResetEvent(false))
        {
            using (var process = new Process())
            {
                var info = new ProcessStartInfo();

                info.CreateNoWindow = true;
                info.FileName = filename;
                info.Arguments = arguments;
                info.UseShellExecute = false;
                info.RedirectStandardOutput = true;
                info.RedirectStandardError = true;

                if (workingDir != null)
                    info.WorkingDirectory = workingDir;

                process.StartInfo = info;

                StringBuilder stdout = new StringBuilder();
                StringBuilder stderr = combineStdoutAndStderr
                    ? stdout : new StringBuilder();

                var result = new ProcessResult();

                try
                {
                    process.OutputDataReceived += (sender, e) =>
                    {
                        if (e.Data == null)
                            outputWaitHandle.Set();
                        else
                            stdout.AppendLine(e.Data);
                    };
                    process.ErrorDataReceived += (sender, e) =>
                    {
                        if (e.Data == null)
                            errorWaitHandle.Set();
                        else
                            stderr.AppendLine(e.Data);
                    };

                    process.Start();

                    process.BeginOutputReadLine();
                    process.BeginErrorReadLine();

                    if (process.WaitForExit(timeoutInMs))
                        result.ExitCode = process.ExitCode;
                    // else process has timed out 
                    // but that's already default ProcessResult

                    result.stdout = stdout.ToString();
                    if (combineStdoutAndStderr)
                        result.stderr = null;
                    else
                        result.stderr = stderr.ToString();

                    return result;
                }
                finally
                {
                    outputWaitHandle.WaitOne(timeoutInMs);
                    errorWaitHandle.WaitOne(timeoutInMs);
                }
            }
        }
    }
}

"union" and "struct" are constructs of the C language. Talking of an "OS level" difference between them is inappropriate, since it's the compiler that produces different code if you use one or another keyword.

Firstly, in a development mode, you should use JDK instead of the JRE. Secondly, the JAVA_HOME is where you install Java and where all the others frameworks will search for what they need (JRE,javac,...)

So if you set

JAVA_HOME=/usr/lib/jvm/java-7-oracle/jre/bin/java

when you run a "mvn" command, Maven will try to access to the java by adding /bin/java, thinking that the JAVA_HOME is in the root directory of Java installation.

But setting

JAVA_HOME=/usr/lib/jvm/java-7-oracle/

Maven will access add bin/java then it will work just fine.

In my case alter column was not working so one can use 'Modify' command, like:

alter table [table_name] MODIFY column [column_name] varchar(1200);

I had a similar issue reading the serial output from a digital scale. I was reading [3:12] out of a 18 characters long output string.

In my case sometimes there is a null character "\x00" (NUL) which magically appears in the scale's reply string and is not printed.

I was getting the error:

> '     0.00'
> 3 0 fast loop, delta =  10.0 weight =  0.0 
> '     0.00'
> 1 800 fast loop, delta = 10.0 weight =  0.0 
> '     0.00'
> 6 0 fast loop, delta =  10.0 weight =  0.0
> '     0\x00.0' 
> Traceback (most recent call last):
>   File "measure_weight_speed.py", line 172, in start
>     valueScale = float(answer_string) 
>     ValueError: invalid literal for float(): 0

After some research I wrote few lines of code that work in my case.

replyScale = scale_port.read(18)
answer = replyScale[3:12]
answer_decode = answer.replace("\x00", "")
answer_strip = str(answer_decode.strip())
print(repr(answer_strip))
valueScale = float(answer_strip)

The answers in these posts helped:

1. How to get rid of \x00 in my array of bytes?
2. Invalid literal for float(): 0.000001, how to fix error?

Here's what I would use:

 (?<!\S)stackoverflow(?!\S)

In other words, match "stackoverflow" if it's not preceded by a non-whitespace character and not followed by a non-whitespace character.

This is neater (IMO) than the "space-or-anchor" approach, and it doesn't assume the string starts and ends with word characters like the \b approach does.

As one would expect, WebKit's support of tel: extends to the Android mobile browser as well - FYI

In case the above does not work for you (i.e.: you are working with new SQL or Azure) try the following:

1) drop existing column constraint (if any):

ALTER TABLE [table_name] DROP CONSTRAINT DF_my_constraint

2) create a new one:

ALTER TABLE [table_name] ADD CONSTRAINT DF_my_constraint  DEFAULT getdate() FOR column_name;

You need to give required = false for name and password request parameters as well. That's because, when you provide just the logout parameter, it actually expects for name and password as well as they are still mandatory.

It worked when you just gave name and password because logout wasn't a mandatory parameter thanks to required = false already given for logout.

Assuming that you only want to read a single line, then use LINE_MAX, which is defined in <limits.h>:

#include <stdio.h>
#include <limits.h>
...
char line[LINE_MAX];
...
if (fgets(line, LINE_MAX, stdin) != NULL) {
...
}
...

Some general notes.

$obj | Select-Object ? $obj | Select-Object -Property *

The latter will show all non-intrinsic, non-compiler-generated properties. The former does not appear to (always) show all Property types (in my tests, it does appear to show the CodeProperty MemberType consistently though -- no guarantees here).

Some switches to be aware of for Get-Member

• Get-Member does not get static members by default. You also cannot (directly) get them along with the non-static members. That is, using the switch causes only static members to be returned:
  

  PS Y:\Power> $obj | Get-Member -Static
  
     TypeName: System.IsFire.TurnUpProtocol
  
  Name        MemberType Definition
  ----        ---------- ----------
  Equals      Method     static bool Equals(System.Object objA, System.Object objB)
  ...
  

• Use the -Force.

  The Get-Member command uses the Force parameter to add the intrinsic members and compiler-generated members of the objects to the display. Get-Member gets these members, but it hides them by default.

  PS Y:\Power> $obj | Get-Member -Static
  
     TypeName: System.IsFire.TurnUpProtocol
  
  Name          MemberType     Definition
  ----          ----------     ----------
  ...
  pstypenames   CodeProperty   System.Collections.ObjectModel.Collection...
  psadapted     MemberSet      psadapted {AccessRightType, AccessRuleType,...
  ...
  

Use ConvertTo-Json for depth and readable "serialization"

I do not necessary recommend saving objects using JSON (use Export-Clixml instead). However, you can get a more or less readable output from ConvertTo-Json, which also allows you to specify depth.

Note that not specifying Depth implies -Depth 2

PS Y:\Power> ConvertTo-Json $obj -Depth 1
{
    "AllowSystemOverload":  true,
    "AllowLifeToGetInTheWay":  false,
    "CantAnyMore": true,
    "LastResortOnly": true,
...

And if you aren't planning to read it you can -Compress it (i.e. strip whitespace)

PS Y:\Power> ConvertTo-Json $obj -Depth 420 -Compress

Use -InputObject if you can (and are willing)

99.9% of the time when using PowerShell: either the performance won't matter, or you don't care about the performance. However, it should be noted that avoiding the pipe when you don't need it can save some overhead and add some speed (piping, in general, is not super-efficient).

That is, if you all you have is a single $obj handy for printing (and aren't too lazy like me sometimes to type out -InputObject):

# select is aliased (hardcoded) to Select-Object
PS Y:\Power> select -Property * -InputObject $obj

# gm is aliased (hardcoded) to Get-Member
PS Y:\Power> gm -Force -InputObject $obj

Caveat for Get-Member -InputObject: If $obj is a collection (e.g. System.Object[]), You end up getting information about the collection object itself:

PS Y:\Power> gm -InputObject $obj,$obj2
   TypeName: System.Object[]

Name        MemberType            Definition
----        ----------            ----------
Count       AliasProperty         Count = Length
...

If you want to Get-Member for each TypeName in the collection (N.B. for each TypeName, not for each object--a collection of N objects with all the same TypeName will only print 1 table for that TypeName, not N tables for each object)......just stick with piping it in directly.

Here's an alternate

req.hostname

Read about it in the Express Docs.

db.company_profile.find({ "companyName" : { "$regex" : "Nilesh" , "$options" : "i"}});

In WPF, TextBox element will not get opportunity to use "Enter" button for creating KeyUp Event until you will not set property: AcceptsReturn="True".

But, it would`t solve the problem with handling KeyUp Event in TextBox element. After pressing "ENTER" you will get a new text line in TextBox.

I had solved problem of using KeyUp Event of TextBox element by using Bubble event strategy. It's short and easy. You have to attach a KeyUp Event handler in some (any) parent element:

XAML:

<Window x:Class="TextBox_EnterButtomEvent.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:TextBox_EnterButtomEvent"
    mc:Ignorable="d"
    Title="MainWindow" Height="350" Width="525">
<Grid KeyUp="Grid_KeyUp">
    <Grid.RowDefinitions>
        <RowDefinition/>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height ="0.3*"/>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="Auto"/>
        <RowDefinition/>
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition/>
        <ColumnDefinition/>
        <ColumnDefinition/>
    </Grid.ColumnDefinitions>
    <TextBlock Grid.Row="1" Grid.Column="1" Padding="0" TextWrapping="WrapWithOverflow">
        Input text end press ENTER:
    </TextBlock>
    <TextBox Grid.Row="2" Grid.Column="1" HorizontalAlignment="Stretch"/>
    <TextBlock Grid.Row="4" Grid.Column="1" Padding="0" TextWrapping="WrapWithOverflow">
        You have entered:
    </TextBlock>
    <TextBlock Name="txtBlock" Grid.Row="5" Grid.Column="1" HorizontalAlignment="Stretch"/>
</Grid></Window>

C# logical part (KeyUp Event handler is attached to a grid element):

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void Grid_KeyUp(object sender, KeyEventArgs e)
    {
        if(e.Key == Key.Enter)
        {
            TextBox txtBox = e.Source as TextBox;
            if(txtBox != null)
            {
                this.txtBlock.Text = txtBox.Text;
                this.txtBlock.Background = new SolidColorBrush(Colors.LightGray);
            }
        }
    }
}

Result:

This is useful in contexts where the encoding is not told per HTTP header or other meta data, e.g. the local file system.

Imagine the following stylesheet:

[rel="external"]::after
{
    content: ' ?';
}

If a reader saves the file to a hard drive and you omit the @charset rule, most browsers will read it in the OS’ locale encoding, e.g. Windows-1252, and insert ↗ instead of an arrow.

Unfortunately, you cannot rely on this mechanism as the support is rather … rare. And remember that on the net an HTTP header will always override the @charset rule.

The correct rules to determine the character set of a stylesheet are in order of priority:

1. HTTP Charset header.
2. Byte Order Mark.
3. The first @charset rule.
4. UTF-8.

The last rule is the weakest, it will fail in some browsers.
The charset attribute in <link rel='stylesheet' charset='utf-8'> is obsolete in HTML 5.
Watch out for conflict between the different declarations. They are not easy to debug.

Recommended reading

• Russ Rolfe: Declaring character encodings in CSS
• IANA: Official names for character sets – other names are not allowed; use the preferred name for @charset if more than one name is registered for the same encoding.
• MDN: @charset. There is a support table. I do not trust this. :)
• Test case from the CSS WG.

I think this has been officially implemented now: https://jenkins.io/blog/2017/09/25/declarative-1/

response.writeHead(301,
  {Location: 'http://whateverhostthiswillbe:8675/'+newRoom}
);
response.end();

JDBC is a much lower-level (and older) specification than JPA. In it's bare essentials, JDBC is an API for interacting with a database using pure SQL - sending queries and retrieving results. It has no notion of objects or hierarchies. When using JDBC, it's up to you to translate a result set (essentially a row/column matrix of values from one or more database tables, returned by your SQL query) into Java objects.

Now, to understand and use JDBC it's essential that you have some understanding and working knowledge of SQL. With that also comes a required insight into what a relational database is, how you work with it and concepts such as tables, columns, keys and relationships. Unless you have at least a basic understanding of databases, SQL and data modelling you will not be able to make much use of JDBC since it's really only a thin abstraction on top of these things.

funny, that in the most answer you create a box with the text (or object), instead of it create the text (or object) div and under that a box with 100% width (or at least what it should) and with height what equal with your "border" px... So, i think this is the most simple and perfect answer:

<h3>Your Text</h3><div class="border-shadow"></div>

and the css:

    .shadow {
        width:100%;
        height:1px; // = "border height (without the shadow)!"
        background:#000; // = "border color!"
        -webkit-box-shadow: 0px 1px 8px 1px rgba(0,0,0,1); // rbg = "border shadow color!"
        -moz-box-shadow: 0px 1px 8px 1px rgba(0,0,0,1); // rbg = "border shadow color!"
        box-shadow: 0px 1px 8px 1px rgba(0,0,0,1); // rbg = "border shadow color!"

}

Here you can experiment with the radius, etc. easy: https://www.cssmatic.com/box-shadow

Use the Office FileDialog object to have the user pick a file from the filesystem. Add a reference in your VB project or in the VBA editor to Microsoft Office Library and look in the help. This is much better than having people enter full paths.

Here is an example using msoFileDialogFilePicker to allow the user to choose multiple files. You could also use msoFileDialogOpen.

'Note: this is Excel VBA code
Public Sub LogReader()
    Dim Pos As Long
    Dim Dialog As Office.FileDialog
    Set Dialog = Application.FileDialog(msoFileDialogFilePicker)

    With Dialog
        .AllowMultiSelect = True
        .ButtonName = "C&onvert"
        .Filters.Clear
        .Filters.Add "Log Files", "*.log", 1
        .Title = "Convert Logs to Excel Files"
        .InitialFileName = "C:\InitialPath\"
        .InitialView = msoFileDialogViewList

        If .Show Then
            For Pos = 1 To .SelectedItems.Count
                LogRead .SelectedItems.Item(Pos) ' process each file
            Next
        End If
    End With
End Sub

There are lots of options, so you'll need to see the full help files to understand all that is possible. You could start with Office 2007 FileDialog object (of course, you'll need to find the correct help for the version you're using).

Try to keep your state minimal. There is no need to store

   const initialValue = [
    { id: 0,value: " --- Select a State ---" }];

as state. Separate the permanent from the changing

const ALL_STATE_VALS = [
    { id: 0,value: " --- Select a State ---" }
    { id: 1, value: "Alabama" },
    { id: 2, value: "Georgia" },
    { id: 3, value: "Tennessee" }
];

Then you can store just the id as your state:

const StateSelector = () =>{
  const [selectedStateOption, setselectedStateOption] = useState(0);

  return (
    <div>
      <label>Select a State:</label>
      <select>
        {ALL_STATE_VALS.map((option, index) => (
          <option key={option.id} selected={index===selectedStateOption}>{option.value}</option>
        ))}
      </select>
    </div>);
   )
}

 If Short.TryParse(editTransactionRow.pay_id, New Short) Then editTransactionRow.pay_id.ToString()

For asynchronous version! And with the promise version! Here the clean simple way!

try {
    await fsPromise.stat(filePath);
    /**
     * File exists!
     */
    // do something
} catch (err) {
    if (err.code = 'ENOENT') {
        /**
        * File not found
        */
    } else {
        // Another error!
    }
}

A more practical snippet from my code to illustrate better:

try {
    const filePath = path.join(FILES_DIR, fileName);
    await fsPromise.stat(filePath);
    /**
     * File exists!
     */
    const readStream = fs.createReadStream(
        filePath,
        {
            autoClose: true,
            start: 0
        }
    );

    return {
        success: true,
        readStream
    };
} catch (err) {
    /**
     * Mapped file doesn't exists
     */
    if (err.code = 'ENOENT') {
        return {
            err: {
                msg: 'Mapped file doesn\'t exists',
                code: EErrorCode.MappedFileNotFound
            }
        };
    } else {
        return {
            err: {
                msg: 'Mapped file failed to load! File system error',
                code: EErrorCode.MappedFileFileSystemError
            }
        }; 
   }
}

The example above is just for demonstration! I could have used the error event of the read stream! To catch any errors! And skip the two calls!

Change the image source using jQuery click()

element:

    <img class="letstalk btn"  src="images/chatbuble.png" />

code:

    $(".letstalk").click(function(){
        var newsrc;
        if($(this).attr("src")=="/images/chatbuble.png")
        {
            newsrc="/images/closechat.png";
            $(this).attr("src", newsrc);
        }
        else
        {
            newsrc="/images/chatbuble.png";
            $(this).attr("src", newsrc);
        }
    });

WARNING: this solution implements a reserved API method. This could prevent the app from being approved by Apple for distribution on the AppStore.

I've described the private methods that turns of section headers floating in my blog

Basically, you just need to subclass UITableView and return NO in two of its methods:

- (BOOL)allowsHeaderViewsToFloat;
- (BOOL)allowsFooterViewsToFloat;

On the Mac: Instead of JAVA_OPTS and MAVEN_OPTS, use _JAVA_OPTIONS instead. This works!

Regex:

[RegularExpression(@"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$", ErrorMessage = "Please enter a valid e-mail adress")]

Or you can use just:

    [DataType(DataType.EmailAddress)]
    public string Email { get; set; }

you must do 4 following step :

1. create event

   var event = new Event("change",{
       detail: {
           oldValue:yourValueVariable,
           newValue:!yourValueVariable
       },
       bubbles: true,
       cancelable: true
   });
   event.simulated = true;
   let tracker = this.yourComponentDomRef._valueTracker;
   if (tracker) {
       tracker.setValue(!yourValueVariable);
   }
   

2. bind value to component dom

   this.yourComponentDomRef.value = !yourValueVariable;
   

3. bind element onchange to react onChange function

    this.yourComponentDomRef.onchange = (e)=>this.props.onChange(e);
   

4. dispatch event

   this.yourComponentDomRef.dispatchEvent(event);
   

in above code yourComponentDomRef refer to master dom of your React component for example <div className="component-root-dom" ref={(dom)=>{this.yourComponentDomRef= dom}}>

I really fail to see the use case... If you will type print_var_name($foobar) what's so hard (and different) about typing print("foobar") instead?

Because even if you were to use this in a function, you'd get the local name of the variable...

In any case, here's the reflection manual in case there's something you need in there.

escape() and unescape() are intended to encode / decode strings for URLs, not HTML.

Actually, I use the following snippet to do the trick that doesn't require any framework:

var escapedHtml = html.replace(/&/g, '&')
                      .replace(/>/g, '>')
                      .replace(/</g, '&lt;')
                      .replace(/"/g, '&quot;')
                      .replace(/'/g, '&apos;');

Tables ::

SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'

columns ::

SELECT * FROM INFORMATION_SCHEMA.COLUMNS 

or

SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='your_table_name'

Well, found a solution to my problem; Updating all rows using a SQL query and a SQL Task in SSIS Like Below. May help others if they face same challenge in future.

update Original 
set Original.Vaal= t.vaal 
from Original join (select * from staging1  union   select * from staging2) t 
on Original.id=t.id

Play 2.0-RC4

It is important to include quotes around the play command you want to run. In my case without the quotes play would still run on port 9000.

play "run 8080"

Alternatively you could run the following from the play console (type 'play' to get to the console)

run 8080

Since this is a top hit on Google, I'd like to give an updated answer.

Using ES6 classes makes inheritance and method overriding a lot easier:

'use strict';

class A {
    speak() {
        console.log("I'm A");
    }
}

class B extends A {
    speak() {
        super.speak();

        console.log("I'm B");
    }
}

var a = new A();
a.speak();
// Output:
// I'm A

var b = new B();
b.speak();
// Output:
// I'm A
// I'm B

The super keyword refers to the parent class when used in the inheriting class. Also, all methods on the parent class are bound to the instance of the child, so you don't have to write super.method.apply(this);.

As for compatibility: the ES6 compatibility table shows only the most recent versions of the major players support classes (mostly). V8 browsers have had them since January of this year (Chrome and Opera), and Firefox, using the SpiderMonkey JS engine, will see classes next month with their official Firefox 45 release. On the mobile side, Android still does not support this feature, while iOS 9, release five months ago, has partial support.

Fortunately, there is Babel, a JS library for re-compiling Harmony code into ES5 code. Classes, and a lot of other cool features in ES6 can make your Javascript code a lot more readable and maintainable.

To parse the age:

Age age;
if (Enum.TryParse(typeof(Age), "New_Born", out age))
  MessageBox.Show("Defined");  // Defined for "New_Born, 1, 4 , 8, 12"

To see if it is defined:

if (Enum.IsDefined(typeof(Age), "New_Born"))
   MessageBox.Show("Defined");

Depending on how you plan to use the Age enum, flags may not be the right thing. As you probably know, [Flags] indicates you want to allow multiple values (as in a bit mask). IsDefined will return false for Age.Toddler | Age.Preschool because it has multiple values.

I did some search on this topic finally got some custom change

For MySQL workbench 6.3.7 Version Graphical inter phase is available

1. Start Workbench and select the connection.
2. Go to management or Instance and select Options File.
3. If Workbench ask you permission to read configuration file and then allow it by pressing OK two times.
4. At center place Administrator options file window comes.
5. Go To InnoDB tab and check the innodb_large_prefix if it not checked in the General section.
6. set innodb_default_row_format option value to DYNAMIC.

For Versions below 6.3.7 direct options are not available so need to go with command prompt

1. Start CMD as administrator.
2. Go To director where mysql server is install Most of cases its at "C:\Program Files\MySQL\MySQL Server 5.7\bin" so command is "cd \" "cd Program Files\MySQL\MySQL Server 5.7\bin".
3. Now Run command mysql -u userName -p databasescheema Now it asked for password of respective user. Provide password and enter into mysql prompt.
4. We have to set some global settings enter the below commands one by one set global innodb_large_prefix=on; set global innodb_file_format=barracuda; set global innodb_file_per_table=true;
5. Now at the last we have to alter the ROW_FORMAT of required table by default its COMPACT we have to set it to DYNAMIC.
6. use following command alter table table_name ROW_FORMAT=DYNAMIC;
7. Done

The AS in this case is an optional keyword defined in ANSI SQL 92 to define a <<correlation name> ,commonly known as alias for a table.

<table reference> ::=
            <table name> [ [ AS ] <correlation name>
                [ <left paren> <derived column list> <right paren> ] ]
          | <derived table> [ AS ] <correlation name>
                [ <left paren> <derived column list> <right paren> ]
          | <joined table>

     <derived table> ::= <table subquery>

     <derived column list> ::= <column name list>

     <column name list> ::=
          <column name> [ { <comma> <column name> }... ]


     Syntax Rules

     1) A <correlation name> immediately contained in a <table refer-
        ence> TR is exposed by TR. A <table name> immediately contained
        in a <table reference> TR is exposed by TR if and only if TR
        does not specify a <correlation name>.

It seems a best practice NOT to use the AS keyword for table aliases as it is not supported by a number of commonly used databases.

Thanks to unutbu for the explanation. By default numpy.cov calculates the sample covariance. To obtain the population covariance you can specify normalisation by the total N samples like this:

Covariance = numpy.cov(a, b, bias=True)[0][1]
print(Covariance)

or like this:

Covariance = numpy.cov(a, b, ddof=0)[0][1]
print(Covariance)

Functional requirements

1. Functional requirements specifies a function that a system or system component must be able to perform. It can be documented in various ways. The most common ones are written descriptions in documents, and use cases.

2. Use cases can be textual enumeration lists as well as diagrams, describing user actions. Each use case illustrates behavioural scenarios through one or more functional requirements. Often, though, an analyst will begin by eliciting a set of use cases, from which the analyst can derive the functional requirements that must be implemented to allow a user to perform each use case.

3. Functional requirements is what a system is supposed to accomplish. It may be

   • Calculations
   • Technical details
   • Data manipulation
   • Data processing
   • Other specific functionality

4. A typical functional requirement will contain a unique name and number, a brief summary, and a rationale. This information is used to help the reader understand why the requirement is needed, and to track the requirement through the development of the system.

Non-functional requirements

LBushkin have already explained more about Non-functional requirements. I will add more.

1. Non-functional requirements are any other requirement than functional requirements. This are the requirements that specifies criteria that can be used to judge the operation of a system, rather than specific behaviours.

2. Non-functional requirements are in the form of "system shall be ", an overall property of the system as a whole or of a particular aspect and not a specific function. The system's overall properties commonly mark the difference between whether the development project has succeeded or failed.

3. Non-functional requirements - can be divided into two main categories:

   • Execution qualities, such as security and usability, which are observable at run time.
   • Evolution qualities, such as testability, maintainability, extensibility and scalability, which are embodied in the static structure of the software system.
4. Non-functional requirements place restrictions on the product being developed, the development process, and specify external constraints that the product must meet.
5. The IEEE-Std 830 - 1993 lists 13 non-functional requirements to be included in a Software Requirements Document.

1. Performance requirements
2. Interface requirements
3. Operational requirements
4. Resource requirements
5. Verification requirements
6. Acceptance requirements
7. Documentation requirements
8. Security requirements
9. Portability requirements
10. Quality requirements
11. Reliability requirements
12. Maintainability requirements
13. Safety requirements

Whether or not a requirement is expressed as a functional or a non-functional requirement may depend:

• on the level of detail to be included in the requirements document
• the degree of trust which exists between a system customer and a system developer.

Ex. A system may be required to present the user with a display of the number of records in a database. This is a functional requirement. How up-to-date [update] this number needs to be, is a non-functional requirement. If the number needs to be updated in real time, the system architects must ensure that the system is capable of updating the [displayed] record count within an acceptably short interval of the number of records changing.

References:

1. Functional requirement
2. Non-functional requirement
3. Quantification and Traceability of Requirements

Use this to list all .apks under /data/app/

adb bugreport | grep 'package name="' | grep 'codePath="/data' | cut -d'"' -f4

With Subversion 1.5, it becomes possible to check out (all) the files of a directory without checking out any subdirectories (the various --depth flags). Not quite what you asked for, but a form of "less than all."

It seems odd that this method doesn't exist. Is it time to add it finally?

If you wanted to you could something like the following:

var _addEventListener = EventTarget.prototype.addEventListener;
var _removeEventListener = EventTarget.prototype.removeEventListener;
EventTarget.prototype.events = {};
EventTarget.prototype.addEventListener = function(name, listener, etc) {
  var events = EventTarget.prototype.events;
  if (events[name] == null) {
    events[name] = [];
  }

  if (events[name].indexOf(listener) == -1) {
    events[name].push(listener);
  }

  _addEventListener(name, listener);
};
EventTarget.prototype.removeEventListener = function(name, listener) {
  var events = EventTarget.prototype.events;

  if (events[name] != null && events[name].indexOf(listener) != -1) {
    events[name].splice(events[name].indexOf(listener), 1);
  }

  _removeEventListener(name, listener);
};
EventTarget.prototype.hasEventListener = function(name) {
  var events = EventTarget.prototype.events;
  if (events[name] == null) {
    return false;
  }

  return events[name].length;
};

There are multiple ways to achieve this. Here, I have explained the two most common approaches.

1. You can use axios interceptors to intercept any requests and add authorization headers.

// Add a request interceptor
axios.interceptors.request.use(function (config) {
    const token = store.getState().session.token;
    config.headers.Authorization =  token;

    return config;
});

2. From the documentation of axios you can see there is a mechanism available which allows you to set default header which will be sent with every request you make.

axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;

So in your case:

axios.defaults.headers.common['Authorization'] = store.getState().session.token;

If you want, you can create a self-executable function which will set authorization header itself when the token is present in the store.

(function() {
     String token = store.getState().session.token;
     if (token) {
         axios.defaults.headers.common['Authorization'] = token;
     } else {
         axios.defaults.headers.common['Authorization'] = null;
         /*if setting null does not remove `Authorization` header then try     
           delete axios.defaults.headers.common['Authorization'];
         */
     }
})();

Now you no longer need to attach token manually to every request. You can place the above function in the file which is guaranteed to be executed every time (e.g: File which contains the routes).

Hope it helps :)

Installation

OpCache is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.

Add the following line to your php.ini:

zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C:\path\to\php_opcache.dll (win)

Note that when the path contains spaces you should wrap it in quotes:

zend_extension="C:\Program Files\PHP5.5\ext\php_opcache.dll"

Also note that you will have to use the zend_extension directive instead of the "normal" extension directive because it affects the actual Zend engine (i.e. the thing that runs PHP).

Usage

Currently there are four functions which you can use:

opcache_get_configuration():

Returns an array containing the currently used configuration OpCache uses. This includes all ini settings as well as version information and blacklisted files.

var_dump(opcache_get_configuration());

opcache_get_status():

This will return an array with information about the current status of the cache. This information will include things like: the state the cache is in (enabled, restarting, full etc), the memory usage, hits, misses and some more useful information. It will also contain the cached scripts.

var_dump(opcache_get_status());

opcache_reset():

Resets the entire cache. Meaning all possible cached scripts will be parsed again on the next visit.

opcache_reset();

opcache_invalidate():

Invalidates a specific cached script. Meaning the script will be parsed again on the next visit.

opcache_invalidate('/path/to/script/to/invalidate.php', true);

Maintenance and reports

There are some GUI's created to help maintain OpCache and generate useful reports. These tools leverage the above functions.

OpCacheGUI

_{Disclaimer I am the author of this project}

Features:

• OpCache status
• OpCache configuration
• OpCache statistics
• OpCache reset
• Cached scripts overview
• Cached scripts invalidation
• Multilingual
• Mobile device support
• Shiny graphs

Screenshots:

URL: https://github.com/PeeHaa/OpCacheGUI

opcache-status

Features:

• OpCache status
• OpCache configuration
• OpCache statistics
• Cached scripts overview
• Single file

Screenshot:

URL: https://github.com/rlerdorf/opcache-status

opcache-gui

Features:

• OpCache status
• OpCache configuration
• OpCache statistics
• OpCache reset
• Cached scripts overview
• Cached scripts invalidation
• Automatic refresh

Screenshot:

URL: https://github.com/amnuts/opcache-gui

you are thinking too much... Take a look at this [i think this is what you wanted - if not let me know]

http://www.bootply.com/118886

css

.even{background: red; color:white;}
.odd{background: darkred; color:white;}

html

<div class="container">
  <ul class="list-unstyled">
    <li class="col-md-6 odd">Dumby Content</li>
    <li class="col-md-6 odd">Dumby Content</li>
    <li class="col-md-6 even">Dumby Content</li>
    <li class="col-md-6 even">Dumby Content</li>
    <li class="col-md-6 odd">Dumby Content</li>
    <li class="col-md-6 odd">Dumby Content</li>
  </ul>
</div>

For anyone still coming to this post, the other option is to simply omit the parentheses:

Sub SomeOtherSub(Stattyp As String)
    'Daty and the other variables are defined here

    CatSubProduktAreakum Stattyp, Daty + UBound(SubCategories) + 2

End Sub

The Call keywords is only really in VBA for backwards compatibilty and isn't actually required.

If however, you decide to use the Call keyword, then you have to change your syntax to suit.

'// With Call
Call Foo(Bar)

'// Without Call
Foo Bar

Both will do exactly the same thing.

That being said, there may be instances to watch out for where using parentheses unnecessarily will cause things to be evaluated where you didn't intend them to be (as parentheses do this in VBA) so with that in mind the better option is probably to omit the Call keyword and the parentheses

There are excellent answers, but if you want to color your console logs you can use the pattern :

<PatternLayout pattern="%style{%date{DEFAULT}}{yellow}
            [%t] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green} %logger{36} - %message\n"/>

The full log4j2 file is:

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
    <Properties>
        <Property name="APP_LOG_ROOT">/opt/test/log</Property>
    </Properties>
    <Appenders>
        <Console name="ConsoleAppender" target="SYSTEM_OUT">
            <PatternLayout pattern="%style{%date{DEFAULT}}{yellow}
                [%t] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green} %logger{36} - %message\n"/>
        </Console>
        <RollingFile name="XML_ROLLING_FILE_APPENDER"
                     fileName="${APP_LOG_ROOT}/appName.log"
                     filePattern="${APP_LOG_ROOT}/appName-%d{yyyy-MM-dd}-%i.log.gz">
            <PatternLayout pattern="%d{DEFAULT} [%t] %-5level %logger{36} - %msg%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="19500KB"/>
            </Policies>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="error">
            <AppenderRef ref="ConsoleAppender"/>
        </Root>
        <Logger name="com.compName.projectName" level="debug">
            <AppenderRef ref="XML_ROLLING_FILE_APPENDER"/>
        </Logger>
    </Loggers>
</Configuration>

And the logs will look like this:

According to Swift 4 Documentation, String values can be added together (or concatenated) with the addition operator (+) to create a new String value:

let string1 = "hello"
let string2 = " there"
var welcome = string1 + string2
// welcome now equals "hello there"

You can also append a String value to an existing String variable with the addition assignment operator (+=):

var instruction = "look over"
instruction += string2
// instruction now equals "look over there"

You can append a Character value to a String variable with the String type’s append() method:

let exclamationMark: Character = "!"
welcome.append(exclamationMark)
// welcome now equals "hello there!"

Worked for me , can try with the same

<ProgressBar
    android:id="@+id/determinateBar"
    android:indeterminateOnly="true"
    android:indeterminateDrawable="@android:drawable/progress_indeterminate_horizontal"
    android:indeterminateDuration="10"
    android:indeterminateBehavior="repeat"
    android:progressBackgroundTint="#208afa"
    android:progressBackgroundTintMode="multiply"
    android:minHeight="24dip"
    android:maxHeight="24dip"
    android:layout_width="match_parent"
    android:layout_height="10dp"
    android:visibility="visible"/>

Copy-on-write is a technique to reduce the memory usage of resource copies using deferred copy. The resource copies are initially virtual (i.e. they share memory) and only become real (i.e. they have their own memory) on the first write operation, hence the name ‘copy-on-write’.

Here after is a Python implementation of the copy-on-write technique using the proxy design pattern. A ValueProxy object (the proxy) implements the copy-on-write technique by:

• having an attribute bound to an immutable Value object (the subject);
• translating copy requests to the creation of a new ValueProxy object sharing the same subject attribute as the original ValueProxy object;
• forwarding read requests to the subject attribute;
• translating write requests to the creation of a new immutable Value object with the new state and the rebinding of the subject attribute to this new immutable Value object.

import abc

class BaseValue(abc.ABC):
    @abc.abstractmethod
    def read(self):
        raise NotImplementedError
    @abc.abstractmethod
    def write(self, data):
        raise NotImplementedError

class Value(BaseValue):
    def __init__(self, data):
        self.data = data
    def read(self):
        return self.data
    def write(self, data):
        pass

class ValueProxy(BaseValue):
    def __init__(self, subject):
        self.subject = subject
    def read(self):
        return self.subject.read()
    def write(self, data):
        self.subject = Value(data)
    def clone(self):
        return ValueProxy(self.subject)

v1 = ValueProxy(Value('foo'))
v2 = v1.clone()  # shares the immutable Value object between the copies
assert v1.subject is v2.subject
v2.write('bar')  # creates a new immutable Value object with the new state
assert v1.subject is not v2.subject

I've tried these solutions and many others, but none of them quite worked out. Since this is the first answer on google, I'll add my solution here.

The method that worked well for me was to take relationships out of the picture during commits, so there was nothing for EF to screw up. I did this by re-finding the parent object in the DBContext, and deleting that. Since the re-found object's navigation properties are all null, the childrens' relationships are ignored during the commit.

var toDelete = db.Parents.Find(parentObject.ID);
db.Parents.Remove(toDelete);
db.SaveChanges();

Note that this assumes the foreign keys are setup with ON DELETE CASCADE, so when the parent row is removed, the children will be cleaned up by the database.

You cannot do it because you are already looping on it.

Inorder to avoid this situation use Iterator,which guarentees you to remove the element from list safely ...

List<Object> objs;
Iterator<Object> i = objs.iterator();
while (i.hasNext()) {
   Object o = i.next();
  //some condition
    i.remove();
}

you can modify search model like this

$dataProvider = new ActiveDataProvider([
        'query' => $query,
        'sort' => [
            'defaultOrder' => ['user_id ASC, document_id ASC']
        ]
    ]);

Your solution might be to add the original IP and/or hostname also:

ALLOWED_HOSTS = [
  'localhost',
  '127.0.0.1',
  '111.222.333.444',
  'mywebsite.com']

The condition to be satisfied is that the host header (or X-Forwarded-Host if USE_X_FORWARDED_HOST is enabled) should match one of the values in ALLOWED_HOSTS.

Sorted() solution can give you some unexpected results with other strings.

List of other solutions:

Sort letters and make them distinct:

>>> s = "Bubble Bobble"
>>> ''.join(sorted(set(s.lower())))
' belou'

Sort letters and make them distinct while keeping caps:

>>> s = "Bubble Bobble"
>>> ''.join(sorted(set(s)))
' Bbelou'

Sort letters and keep duplicates:

>>> s = "Bubble Bobble"
>>> ''.join(sorted(s))
' BBbbbbeellou'

If you want to get rid of the space in the result, add strip() function in any of those mentioned cases:

>>> s = "Bubble Bobble"
>>> ''.join(sorted(set(s.lower()))).strip()
'belou'

Ensure 'idm.url' is set in property file and the property file is loaded

Simple JPA update..

Customer customer = em.find(id, Customer.class); //Consider em as JPA EntityManager
customer.setName(customerDto.getName);
em.merge(customer);

var Dictionary = {
  If: {
    you: {
      can: '',
      make: ''
    },
    sense: ''
  },
  of: {
    the: {
      sentence: {
        it: '',
        worked: ''
      }
    }
  }
};

function Iterate(obj) {
  for (prop in obj) {
    if (obj.hasOwnProperty(prop) && isNaN(prop)) {
      console.log(prop + ': ' + obj[prop]);
      Iterate(obj[prop]);
    }
  }
}
Iterate(Dictionary);

Annotate other components with @Component, for example REST Resource classes.

@Component
public class AdressComp{
    .......
    ...//some code here    
}

@Component is a generic stereotype for any Spring managed component.

@Controller, @Service and @Repository are Specializations of @Component for specific use cases.

@Component in Spring

Long story short: you set some dimensions and let NumPy set the remaining(s).

(userDim1, userDim2, ..., -1) -->>

(userDim1, userDim1, ..., TOTAL_DIMENSION - (userDim1 + userDim2 + ...))

You can run the pipenv command with the --rm option as in:

pipenv --rm

This will remove the virtualenv created for you under ~/.virtualenvs

See https://pipenv.kennethreitz.org/en/latest/cli/#cmdoption-pipenv-rm

You can try this

diff --changed-group-format='%>' --unchanged-group-format='' A1 A2

The options are documented in man diff:

       --GTYPE-group-format=GFMT
              format GTYPE input groups with GFMT

and:

       LTYPE is 'old', 'new', or 'unchanged'.
              GTYPE is LTYPE or 'changed'.

and:

              GFMT (only) may contain:

       %<     lines from FILE1

       %>     lines from FILE2

       [...]

This could help you. It is a way to handle the touch outside event:

How to cancel an Dialog themed like Activity when touched outside the window?

By catching the event and doing nothing, I think you can prevent the closing. But what is strange though, is that the default behavior of your activity dialog should be not to close itself when you touch outside.

(PS: the code uses WindowManager.LayoutParams)

Underscore.js or Lodash

if (_.has(x, "y")) ...

:)

You can do it using the same page on the action attribute: action='<yourpage>'

Actually we can not create an object of an abstract class directly. What we create is a reference variable of an abstract call. The reference variable is used to Refer to the object of the class which inherits the Abstract class i.e. the subclass of the abstract class.

You will have to use Array.find or Array.filter or Array.forEach.

Since you value is array and you need position of element, you will have to iterate over it.

Array.find

var data = [{"name":"placeHolder","section":"right"},{"name":"Overview","section":"left"},{"name":"ByFunction","section":"left"},{"name":"Time","section":"left"},{"name":"allFit","section":"left"},{"name":"allbMatches","section":"left"},{"name":"allOffers","section":"left"},{"name":"allInterests","section":"left"},{"name":"allResponses","section":"left"},{"name":"divChanged","section":"right"}];
var index = -1;
var val = "allInterests"
var filteredObj = data.find(function(item, i){
  if(item.name === val){
    index = i;
    return i;
  }
});

console.log(index, filteredObj);

Array.findIndex() @Ted Hopp's suggestion

var data = [{"name":"placeHolder","section":"right"},{"name":"Overview","section":"left"},{"name":"ByFunction","section":"left"},{"name":"Time","section":"left"},{"name":"allFit","section":"left"},{"name":"allbMatches","section":"left"},{"name":"allOffers","section":"left"},{"name":"allInterests","section":"left"},{"name":"allResponses","section":"left"},{"name":"divChanged","section":"right"}];

var val = "allInterests"
var index = data.findIndex(function(item, i){
  return item.name === val
});

console.log(index);

Default Array.indexOf() will match searchValue to current element and not its properties. You can refer Array.indexOf - polyfill on MDN

I simply used unalias to remove the "cp -i" alias, then do the copy, then set back the alias. :

unalias cp  
cp -f foo foo.copy  
alias cp="cp -i"  

Not the most beautiful code, but easy to set and efficient. I also check the alias is already set back with a simple

alias |grep cp

I don't believe there's currently any way to do this. The Razor engine does not parse Javascript files, only Razor views. However, you can accomplish what you want by setting the variables inside your Razor view:

<script>
  var someStringValue = '@(ViewBag.someStringValue)';
  var someNumericValue = @(ViewBag.someNumericValue);
</script>
<!-- "someStringValue" and "someNumericValue" will be available in script -->
<script src="js/myscript.js"></script>

As Joe points out in the comments, the string value above will break if there's a single quote in it. If you want to make this completely iron-clad, you'll have to replace all single quotes with escaped single quotes. The problem there is that all of the sudden slashes become an issue. For example, if your string is "foo \' bar", and you replace the single quote, what will come out is "foo \\' bar", and you're right back to the same problem. (This is the age old difficulty of chained encoding.) The best way to handle this is to treat backslashes and quotes as special and make sure they're all escaped:

  @{
      var safeStringValue = ViewBag.someStringValue
          .Replace("\\", "\\\\")
          .Replace("'", "\\'");
  }
  var someStringValue = '@(safeStringValue)';

OMG Ponies's answer works perfectly, but just in case you need something more complex, here is an example of a slightly more advanced update query:

UPDATE table1 
SET col1 = subquery.col2,
    col2 = subquery.col3 
FROM (
    SELECT t2.foo as col1, t3.bar as col2, t3.foobar as col3 
    FROM table2 t2 INNER JOIN table3 t3 ON t2.id = t3.t2_id
    WHERE t2.created_at > '2016-01-01'
) AS subquery
WHERE table1.id = subquery.col1;

data="UTF-8 DATA"
udata=data.decode("utf-8")
asciidata=udata.encode("ascii","ignore")

For me, the problem came from the fact that I was importing an app in INSTALLED_APPS which was itself importing a model in its __init__.py file

I had :

settings.py

INSTALLED_APPS = [
    ...
    'myapp',
    ...
]

myapp.__init__.py

from django.contrib.sites.models import Site

commenting out import models in myapp.__init__.py made it work :

# from django.contrib.sites.models import Site

Alternatively you can do:

Statement stmt = db.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
numero = stmt.executeUpdate();

ResultSet rs = stmt.getGeneratedKeys();
if (rs.next()){
    risultato=rs.getString(1);
}

But use Sean Bright's answer instead for your scenario.

After adding UDID in developer.apple.com, do the following steps:

1, Go to Xcode, open Preferences (cmd + ,) -> Accounts -> Click your Apple ID -> View Details

2, In the new window, click on "Refresh", then "Request"

3, Now try to run your app on the new device, if you get an error saying "unfound provisioning profile", keep reading

4, Click on your project

6, Find "Fix It" button in Identity section, click it

7, Now try to run again, it should work

From plt.imshow() official guide, we know that aspect controls the aspect ratio of the axes. Well in my words, the aspect is exactly the ratio of x unit and y unit. Most of the time we want to keep it as 1 since we do not want to distort out figures unintentionally. However, there is indeed cases that we need to specify aspect a value other than 1. The questioner provided a good example that x and y axis may have different physical units. Let's assume that x is in km and y in m. Hence for a 10x10 data, the extent should be [0,10km,0,10m] = [0, 10000m, 0, 10m]. In such case, if we continue to use the default aspect=1, the quality of the figure is really bad. We can hence specify aspect = 1000 to optimize our figure. The following codes illustrate this method.

%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt
rng=np.random.RandomState(0)
data=rng.randn(10,10)
plt.imshow(data, origin = 'lower',  extent = [0, 10000, 0, 10], aspect = 1000)

Nevertheless, I think there is an alternative that can meet the questioner's demand. We can just set the extent as [0,10,0,10] and add additional xy axis labels to denote the units. Codes as follows.

plt.imshow(data, origin = 'lower',  extent = [0, 10, 0, 10])
plt.xlabel('km')
plt.ylabel('m')

To make a correct figure, we should always bear in mind that x_max-x_min = x_res * data.shape[1] and y_max - y_min = y_res * data.shape[0], where extent = [x_min, x_max, y_min, y_max]. By default, aspect = 1, meaning that the unit pixel is square. This default behavior also works fine for x_res and y_res that have different values. Extending the previous example, let's assume that x_res is 1.5 while y_res is 1. Hence extent should equal to [0,15,0,10]. Using the default aspect, we can have rectangular color pixels, whereas the unit pixel is still square!

plt.imshow(data, origin = 'lower',  extent = [0, 15, 0, 10])
# Or we have similar x_max and y_max but different data.shape, leading to different color pixel res.
data=rng.randn(10,5)
plt.imshow(data, origin = 'lower',  extent = [0, 5, 0, 5])

The aspect of color pixel is x_res / y_res. setting its aspect to the aspect of unit pixel (i.e. aspect = x_res / y_res = ((x_max - x_min) / data.shape[1]) / ((y_max - y_min) / data.shape[0])) would always give square color pixel. We can change aspect = 1.5 so that x-axis unit is 1.5 times y-axis unit, leading to a square color pixel and square whole figure but rectangular pixel unit. Apparently, it is not normally accepted.

data=rng.randn(10,10)
plt.imshow(data, origin = 'lower',  extent = [0, 15, 0, 10], aspect = 1.5)

The most undesired case is that set aspect an arbitrary value, like 1.2, which will lead to neither square unit pixels nor square color pixels.

plt.imshow(data, origin = 'lower',  extent = [0, 15, 0, 10], aspect = 1.2)

Long story short, it is always enough to set the correct extent and let the matplotlib do the remaining things for us (even though x_res!=y_res)! Change aspect only when it is a must.

I came here to get a better feeling for the performance impact of using lists over arrays. I had to adapt code here for my scenario: array/list of ~1000 ints using mostly getters, meaning array[j] vs. list.get(j)

Taking the best of 7 to be unscientific about it (first few with list where 2.5x slower) I get this:

array Integer[] best 643ms iterator
ArrayList<Integer> best 1014ms iterator

array Integer[] best 635ms getter
ArrayList<Integer> best 891ms getter (strange though)

- so, very roughly 30% faster with array

The second reason for posting now is that no-one mentions the impact if you do math/matrix/simulation/optimization code with nested loops.

Say you have three nested levels and the inner loop is twice as slow you are looking at 8 times performance hit. Something that would run in a day now takes a week.

*EDIT Quite shocked here, for kicks I tried declaring int[1000] rather than Integer[1000]

array int[] best 299ms iterator
array int[] best 296ms getter

Using Integer[] vs. int[] represents a double performance hit, ListArray with iterator is 3x slower than int[]. Really thought Java's list implementations were similar to native arrays...

Code for reference (call multiple times):

    public static void testArray()
    {
        final long MAX_ITERATIONS = 1000000;
        final int MAX_LENGTH = 1000;

        Random r = new Random();

        //Integer[] array = new Integer[MAX_LENGTH];
        int[] array = new int[MAX_LENGTH];

        List<Integer> list = new ArrayList<Integer>()
        {{
            for (int i = 0; i < MAX_LENGTH; ++i)
            {
                int val = r.nextInt();
                add(val);
                array[i] = val;
            }
        }};

        long start = System.currentTimeMillis();
        int test_sum = 0;
        for (int i = 0; i < MAX_ITERATIONS; ++i)
        {
//          for (int e : array)
//          for (int e : list)          
            for (int j = 0; j < MAX_LENGTH; ++j)
            {
                int e = array[j];
//              int e = list.get(j);
                test_sum += e;
            }
        }

        long stop = System.currentTimeMillis();

        long ms = (stop - start);
        System.out.println("Time: " + ms);
    }

In c# you your browser name using:

System.Web.HttpBrowserCapabilities browser = Request.Browser;

For details see a link.

http://msdn.microsoft.com/en-us/library/3yekbd5b%28v=vs.100%29.aspx

and in Client side:

JQuery:

jQuery.browser

For details see a link:

http://api.jquery.com/jQuery.browser/

The compiler cannot guess what should be passed for the base constructor argument. You have to do it explicitly:

public class child : parent {
    public child(int i) : base(i) {
        Console.WriteLine("child");
    }
}

for PHP 7.3 / Ubuntu

sudo apt install php7.3-zip

for PHP 7.4

sudo apt install php7.4-zip

To check if a file doesn't exist, equivalent to Python's if not os.path.exists(filename):

if _, err := os.Stat("/path/to/whatever"); os.IsNotExist(err) {
  // path/to/whatever does not exist
}

To check if a file exists, equivalent to Python's if os.path.exists(filename):

Edited: per recent comments

if _, err := os.Stat("/path/to/whatever"); err == nil {
  // path/to/whatever exists

} else if os.IsNotExist(err) {
  // path/to/whatever does *not* exist

} else {
  // Schrodinger: file may or may not exist. See err for details.

  // Therefore, do *NOT* use !os.IsNotExist(err) to test for file existence


}

You can set environment variables in the notebook using os.environ. Do the following before initializing TensorFlow to limit TensorFlow to first GPU.

import os
os.environ["CUDA_DEVICE_ORDER"]="PCI_BUS_ID"   # see issue #152
os.environ["CUDA_VISIBLE_DEVICES"]="0"

You can double check that you have the correct devices visible to TF

from tensorflow.python.client import device_lib
print device_lib.list_local_devices()

I tend to use it from utility module like notebook_util

import notebook_util
notebook_util.pick_gpu_lowest_memory()
import tensorflow as tf