rows and cols are required attributes, so you should have them whether you really need them or not. They set the number of rows and number of columns respectively.

http://htmldog.com/reference/htmltags/textarea/

If you need just update your records in energydata based on data in temp_energydata, assuming that temp_enerydata doesn't contain any new records, then try this:

UPDATE e SET e.kWh = t.kWh
  FROM energydata e INNER JOIN 
       temp_energydata t ON e.webmeterID = t.webmeterID AND 
                            e.DateTime = t.DateTime

Here is working sqlfiddle

But if temp_energydata contains new records and you need to insert it to energydata preferably with one statement then you should definitely go with the answer that Bacon Bits gave.

SELECT * FROM INFORMATION_SCHEMA.TABLES

That should be a good start. For more, check INFORMATION_SCHEMA Tables.

The JVM is caching Integer values. Hence the comparison with == only works for numbers between -128 and 127.

Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching

Use tints ;)

<SeekBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:minHeight="15dp"
        android:minWidth="15dp"
        android:maxHeight="15dp"
        android:maxWidth="15dp"
        android:progress="20"
        android:thumbTint="@color/colorPrimaryDark"
        android:progressTint="@color/colorPrimary"/>

use the color you need in thumbTint and progressTint. It is much faster! :)

Edit ofc you can use in combination with android:progressDrawable="@drawable/seekbar"

Windows path C:\src under cygwin becomes /cygdrive/c/src

To make a translation in the controller you could use $translate service:

$translate(['COMMON.SI', 'COMMON.NO']).then(function (translations) {
    vm.si = translations['COMMON.SI'];
    vm.no = translations['COMMON.NO'];
});

That statement only does the translation on controller activation but it doesn't detect the runtime change in language. In order to achieve that behavior, you could listen the $rootScope event: $translateChangeSuccess and do the same translation there:

    $rootScope.$on('$translateChangeSuccess', function () {
        $translate(['COMMON.SI', 'COMMON.NO']).then(function (translations) {
            vm.si = translations['COMMON.SI'];
            vm.no = translations['COMMON.NO'];
        });
    });

Of course, you could encapsulate the $translateservice in a method and call it in the controller and in the $translateChangeSucesslistener.

Add the code

BasicConfigurator.configure();

in your static main class as below..

Note: add " \hadoop-2.7.1\share\hadoop\common\lib\commons-logging-1.1.3.jar & \hadoop-2.7.1\share\hadoop\common\lib\log4j-1.2.17.jar " as the external references

import org.apache.log4j.BasicConfigurator;

public class ViewCountDriver extends Configured implements Tool{

    public static void main(String[]args) throws Exception{

        BasicConfigurator.configure(); 

        int exitcode = ToolRunner.run(new ViewCountDriver(), args);
        System.exit(exitcode); 
    }
}

If you have a mixture of formats in your date, don't forget to set infer_datetime_format=True to make life easier.

df['date'] = pd.to_datetime(df['date'], infer_datetime_format=True)

Source: pd.to_datetime

or if you want a customized approach:

def autoconvert_datetime(value):
    formats = ['%m/%d/%Y', '%m-%d-%y']  # formats to try
    result_format = '%d-%m-%Y'  # output format
    for dt_format in formats:
        try:
            dt_obj = datetime.strptime(value, dt_format)
            return dt_obj.strftime(result_format)
        except Exception as e:  # throws exception when format doesn't match
            pass
    return value  # let it be if it doesn't match

df['date'] = df['date'].apply(autoconvert_datetime)

Well, you're getting a java.lang.NoClassDefFoundError. In your pom.xml, hibernate-core version is 3.3.2.GA and declared after hibernate-entitymanager, so it prevails. You can remove that dependency, since will be inherited version 3.6.7.Final from hibernate-entitymanager.

You're using spring-boot as parent, so no need to declare version of some dependencies, since they are managed by spring-boot.

Also, hibernate-commons-annotations is inherited from hibernate-entitymanager and hibernate-annotations is an old version of hibernate-commons-annotations, you can remove both.

Finally, your pom.xml can look like this:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.elsys.internetprogramming.trafficspy.server</groupId>
    <artifactId>TrafficSpyService</artifactId>
    <version>0.1.0</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.2.3.RELEASE</version>
    </parent>

    <dependencies>
        <!-- Spring -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-cloud-connectors</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>

        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>javax.persistence</artifactId>
            <version>2.0.0</version>
        </dependency>

        <!-- Hibernate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
        </dependency>
        <dependency>
            <groupId>commons-pool</groupId>
            <artifactId>commons-pool</artifactId>
        </dependency>

        <!-- MySQL -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
    </dependencies>

    <properties>
        <java.version>1.7</java.version>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>spring-releases</id>
            <url>https://repo.spring.io/libs-release</url>
        </repository>

        <repository>
            <id>codehaus</id>
            <url>http://repository.codehaus.org/org/codehaus</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-releases</id>
            <url>https://repo.spring.io/libs-release</url>
        </pluginRepository>
    </pluginRepositories>

</project>

Let me know if you have a problem.

You're running bundle exec on a program. The program's creators wrote it when certain versions of gems were available. The program Gemfile specifies the versions of the gems the creators decided to use. That is, the script was made to run correctly against these gem versions.

Your system-wide Gemfile may differ from this Gemfile. You may have newer or older gems with which this script doesn't play nice. This difference in versions can give you weird errors.

bundle exec helps you avoid these errors. It executes the script using the gems specified in the script's Gemfile rather than the systemwide Gemfile. It executes the certain gem versions with the magic of shell aliases.

See more on the man page.

Here's an example Gemfile:

source 'http://rubygems.org'

gem 'rails', '2.8.3'

Here, bundle exec would execute the script using rails version 2.8.3 and not some other version you may have installed system-wide.

Where do you call this function? If you call it in the constructor of Fragment, it will return null.

Just call getActivity() when the method onCreateView() is executed.

Best way is to use NuGet package manager.

Just update the below MVC package and it should work.

The way to do this is to run the following command:

bundle update --source gem-name

static value may exists into a function and can be used in different forms and can have different value in the program. Also during program after increment of decrement their value may change but const in constant during the whole program.

The items with code "200 (cache)" were fulfilled directly from your browser cache, meaning that the original requests for the items were returned with headers indicating that the browser could cache them (e.g. future-dated Expires or Cache-Control: max-age headers), and that at the time you triggered the new request, those cached objects were still stored in local cache and had not yet expired.

304s, on the other hand, are the response of the server after the browser has checked if a file was modified since the last version it had cached (the answer being "no").

For most optimal web performance, you're best off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. This eliminates the need for any request to be made unless the asset has definitely changed from the version in cache (no need for that 304 response). Google has more details on correct use of long-term caching.

You can use css or js for hiding a div. In else statement you can write it as:

else{
?>
<style type="text/css">#divId{
display:none;
}</style>
<?php
}

Or in jQuery

else{
?>
<script type="text/javascript">$('#divId').hide()</script>
<?php
}

Or in javascript

else{
?>
<script type="text/javascript">document.getElementById('divId').style.display = 'none';</script>
<?php
}

A different perspective to the same problem away from Javascript and using php:

<a data-toggle="modal" href="#myModal">LINK</a>

<div class="modal fade" tabindex="-1" aria-labelledby="gridSystemModalLabel" id="myModal" role="dialog" style="max-width: 90%;">
    <div class="modal-dialog" style="text-align: left;">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal">&times;</button>
                <h4 class="modal-title">Title</h4>
            </div>
            <div class="modal-body">
                <?php include( 'remotefile.php'); ?>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>

and put in the remote.php file your basic html source.

If you want to build your solution for x86 and x64, your solution must be configured for both platforms. Actually you just have an Any CPU configuration.

How to check the available configuration for a project

To check the available configuration for a given project, open the project file (*.csproj for example) and look for a PropertyGroup with the right Condition.

If you want to build in Release mode for x86, you must have something like this in your project file:

<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
  ...
</PropertyGroup>

How to create and edit the configuration in Visual Studio

_{(source: microsoft.com)}

_{(source: msdn.com)}

_{(source: msdn.com)}

How to create and edit the configuration (on MSDN)

There are many way you can do this. Based on your requirement choose anything from below.

1. By REVERTing commit:

If you want to REVERT all the changes from you last COMMIT that means If you ADD something in your file that will be REMOVED after revert has been done. If you REMOVE something in your file the revert process will ADD those file.

You can REVERT the very last COMMIT. Like:

1.git revert head^
2.git push origin <Branch-Name>

Or you can revert to any previous commit using the hash of that commit.Like:

1.git revert <SHA>
2.git push origin  <Branch-Name>

2. By RESETing previous Head

If you want to just point to any previous commit use reset; it points your local environment back to a previous commit. You can reset your head to previous commit or reset your head to previous any commit.

Reset to previous commit.

1.git reset head^
2.git push -f origin <Branch-name>

Reset to any previous commit:

1.git reset <SHA>
2.git push -f origin <Branch-name>

Trade of between REVERT & RESET:

Why would you choose to do a revert over a reset operation? If you have already pushed your chain of commits to the remote repository (where others may have pulled your code and started working with it), a revert is a nicer way to cancel out changes for them. This is because the Git workflow works well for picking up additional commits at the end of a branch, but it can be challenging if a set of commits is no longer seen in the chain when someone resets the branch pointer back.

You could also try to include md5-hash-sums or similar do determine whether there are any differences at all. Then, only compare files which have different hashes...

You can try using the transform: translate property by passing the appropriate values inside the parenthesis using the inspect element in Google chrome.

You have to set translate property in such way that both the <div> overlap each other then You can use JavaScript to show and hide both the <div> according to your requirements

min(df['some_property'])
max(df['some_property'])

The built-in functions work well with Pandas Dataframes.

You just CAST() this way

SELECT cast(yourNumber as varchar(10))
FROM yourTable

Then if you want to JOIN based on it, you can use:

SELECT *
FROM yourTable t1
INNER JOIN yourOtherTable t2
    on cast(t1.yourNumber as varchar(10)) = t2.yourString

Similar problem with an embarrassingly simple solution - make sure your API methods are public. Leaving off any method access modifier will return an HTTP 404 too.

Will return 404:

List<CustomerInvitation> GetInvitations(){

Will execute as expected:

public List<CustomerInvitation> GetInvitations(){

To terminate a process you know the name of, try:

taskkill /IM notepad.exe

This will ask it to close, but it may refuse, offer to "save changes", etc. If you want to forcibly kill it, try:

taskkill /F /IM notepad.exe

Simply import the package of the required source class in your code from jar.

You can find jar's sub packages in

Eclipse -- YourProject --> Referenced libraries --> yourJars --> Packages --> Clases

Like-- I was troubling with the mysql connector jar issue "the source attachment does not contain the source" by giving the path of source folder it display this statement

The source attachment does not contain the source for the file StatementImpl.class

Then I just import the package of mysql connector jar which contain the required class:

import com.mysql.jdbc.*;

Then program is working fine.

I had this issue as well, and was tripped up for a while on it. I wanted to display 0.00 as 0 and otherwise keep the decimal point. The following didn't work:

CASE WHEN Amount= 0 THEN CONVERT(VARCHAR(30), Amount, 1) ELSE Amount END

Because the resulting column was forced to be a MONEY column. To resolve it, the following worked

CASE WHEN Amount= 0 THEN CONVERT(VARCHAR(30), '0', 1) ELSE CONVERT (VARCHAR(30), Amount, 1) END

This mattered because my final destination column was a VARCHAR(30), and the consumers of that column would error out if an amount was '0.00' instead of '0'.

This could be a little tricky thing but the secure way is to set a javascript cookie, then picking it up by php cookie variable.Then Assign this php variable to an php session that will hold the data more securely than cookie.Then delete the cookie using javascript and redirect the page to itself. Given that you have added an php command to catch the variable, you will get it.

This part from React v16 documentation will answer your question, read on about componentDidMount():

componentDidMount()

componentDidMount() is invoked immediately after a component is mounted. Initialization that requires DOM nodes should go here. If you need to load data from a remote endpoint, this is a good place to instantiate the network request. This method is a good place to set up any subscriptions. If you do that, don’t forget to unsubscribe in componentWillUnmount().

As you see, componentDidMount is considered the best place and cycle to do the api call, also access the node, means by this time it's safe to do the call, update the view or whatever you could do when document is ready, if you are using jQuery, it should somehow remind you document.ready() function, where you could make sure everything is ready for whatever you want to do in your code...

Use .text() to extract the content of the div

var text = $('#field-function_purpose').text()

In python3, has_key(key) is replaced by __contains__(key)

Tested in python3.7:

a = {'a':1, 'b':2, 'c':3}
print(a.__contains__('a'))

There is a much simpler way to do it (git 1.7.6+):

git status --ignored

See Is there a way to tell git-status to ignore the effects of .gitignore files?

You can use in-place operator new. This would be a bit horrible, and I'd recommend keeping in a factory.

Car* createCars(unsigned number)
{
    if (number == 0 )
        return 0;
    Car* cars = reinterpret_cast<Car*>(new char[sizeof(Car)* number]);
    for(unsigned carId = 0;
        carId != number;
        ++carId)
    {
        new(cars+carId) Car(carId);
    }
    return cars;
}

And define a corresponding destroy so as to match the new used in this.

The exception occurred due to the fact that any of the inner classes or other referenced classes didn't implement the serializable implementation. So make sure that all the referenced classes must implement the serializable implementation.

You'll need to install (or enable) the Socket PHP extension: http://www.php.net/manual/en/sockets.installation.php

Although I'm not answering the original question concering the no-op command, many (if not most) problems when one may think "in this branch I have to do nothing" can be bypassed by simply restructuring the logic so that this branch won't occur.

I try to give a general rule by using the OPs example

do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2"

we have to avoid a branch where $a gets more than 10, so $a < 10 as a general condition can be applied to every other, following condition.

In general terms, when you say do nothing when X, then rephrase it as avoid a branch where X. Usually you can make the avoidance happen by simply negating X and applying it to all other conditions.

So the OPs example with the rule applied may be restructured as:

if [ "$a" -lt 10 ] && [ "$a" -le 5 ]
then
    echo "1"
elif [ "$a" -lt 10 ]
then
    echo "2"
fi

Just a variation of the above, enclosing everything in the $a < 10 condition:

if [ "$a" -lt 10 ]
then
    if [ "$a" -le 5 ]
    then
        echo "1"
    else
        echo "2"
    fi
fi

(For this specific example @Flimzys restructuring is certainly better, but I wanted to give a general rule for all the people searching how to do nothing.)

If you want to find directories, including those that are marked "hidden" and "system", try this (requires .NET V4):

FileAttributes fa = File.GetAttributes(path);
if(fa.HasFlag(FileAttributes.Directory)) 

You can get a list of column names by running:

SELECT name FROM PRAGMA_TABLE_INFO('your_table');
name      
tbl_name  
rootpage  
sql

You can check if a certain column exists by running:

SELECT 1 FROM PRAGMA_TABLE_INFO('your_table') WHERE name='sql';
1

Reference:

https://www.sqlite.org/pragma.html#pragfunc

For a sanity check, try creating a new Web Application Project, open the code behind for the Default.aspx page. Add a line in Page_Load to access your connection string.

It should have System.Configuration added as reference by default. You should also see the using statement at the top of your code file already.

My code behind file now looks like this and compiles with no problems.

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace WebApplication1
{
  public partial class _Default : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {
      string connString = ConfigurationManager.ConnectionStrings["MyConnectionStringName"].ConnectionString;
    }
  }
}

This assumes I have a connection string in my web.config with a name equal to "MyConnectionStringName" like so...

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
    </configSections>
    <connectionStrings>
        <add name="MyConnectionStringName"
            connectionString="Data Source=.;Initial Catalog=MyDatabase;Integrated Security=True"
            providerName="System.Data.SqlClient" />
    </connectionStrings>
</configuration>

Yeah, it's elementary I know. But if you don't have any better ideas sometimes it helps to check against something really simple that you know should work.

Want zero warnings? Use it like this:

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
  extended: true
}));

Explanation: The default value of the extended option has been deprecated, meaning you need to explicitly pass true or false value.

For me in Java 11 and gradle this is what worked out:

plugins {
      id 'java'
}

dependencies {
      runtimeOnly 'javax.xml.bind:jaxb-api:2.3.1'
}

DO NOT USE THIS ANSWER

user1269737's answer is the proper (Google/Android approved) way to do this. Go read their answer and give them a +1.

I'll leave my original answer here for posterity's sake. This was the best available back in 2012, but now Android has proper support for this.

Original answer

The key is using ActivityLifecycleCallbacks (note that this requires Android API level 14 (Android 4.0)). Just check if the number of stopped activities is equal to the number of started activities. If they're equal, your application is being backgrounded. If there are more started activities, your application is still visible. If there are more resumed than paused activities, your application is not only visible, but it's also in the foreground. There are 3 main states that your activity can be in, then: visible and in the foreground, visible but not in the foreground, and not visible and not in the foreground (i.e. in the background).

The really nice thing about this method is that it doesn't have the asynchronous issues getRunningTasks() does, but you also don't have to modify every Activity in your application to set/unset something in onResumed()/onPaused(). It's just a few lines of code that's self contained, and it works throughout your whole application. Plus, there are no funky permissions required either.

MyLifecycleHandler.java:

public class MyLifecycleHandler implements ActivityLifecycleCallbacks {
    // I use four separate variables here. You can, of course, just use two and
    // increment/decrement them instead of using four and incrementing them all.
    private int resumed;
    private int paused;
    private int started;
    private int stopped;

    @Override
    public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
    }

    @Override
    public void onActivityDestroyed(Activity activity) {
    }

    @Override
    public void onActivityResumed(Activity activity) {
        ++resumed;
    }

    @Override
    public void onActivityPaused(Activity activity) {
        ++paused;
        android.util.Log.w("test", "application is in foreground: " + (resumed > paused));
    }

    @Override
    public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
    }

    @Override
    public void onActivityStarted(Activity activity) {
        ++started;
    }

    @Override
    public void onActivityStopped(Activity activity) {
        ++stopped;
        android.util.Log.w("test", "application is visible: " + (started > stopped));
    }

    // If you want a static function you can use to check if your application is
    // foreground/background, you can use the following:
    /*
    // Replace the four variables above with these four
    private static int resumed;
    private static int paused;
    private static int started;
    private static int stopped;

    // And these two public static functions
    public static boolean isApplicationVisible() {
        return started > stopped;
    }

    public static boolean isApplicationInForeground() {
        return resumed > paused;
    }
    */
}

MyApplication.java:

// Don't forget to add it to your manifest by doing
// <application android:name="your.package.MyApplication" ...
public class MyApplication extends Application {
    @Override
    public void onCreate() {
        // Simply add the handler, and that's it! No need to add any code
        // to every activity. Everything is contained in MyLifecycleHandler
        // with just a few lines of code. Now *that's* nice.
        registerActivityLifecycleCallbacks(new MyLifecycleHandler());
    }
}

@Mewzer has asked some good questions about this method that I'd like to respond to in this answer for everyone:

onStop() is not called in low memory situations; is that a problem here?

No. The docs for onStop() say:

Note that this method may never be called, in low memory situations where the system does not have enough memory to keep your activity's process running after its onPause() method is called.

The key here is "keep your activity's process running..." If this low memory situation is ever reached, your process is actually killed (not just your activity). This means that this method of checking for backgrounded-ness is still valid because a) you can't check for backgrounding anyway if your process is killed, and b) if your process starts again (because a new activity is created), the member variables (whether static or not) for MyLifecycleHandler will be reset to 0.

Does this work for configuration changes?

By default, no. You have to explicitly set configChanges=orientation|screensize (| with anything else you want) in your manifest file and handle the configuration changes, or else your activity will be destroyed and recreated. If you do not set this, your activity's methods will be called in this order: onCreate -> onStart -> onResume -> (now rotate) -> onPause -> onStop -> onDestroy -> onCreate -> onStart -> onResume. As you can see, there is no overlap (normally, two activities overlap very briefly when switching between the two, which is how this backgrounding-detection method works). In order to get around this, you must set configChanges so that your activity is not destroyed. Fortunately, I've had to set configChanges already in all of my projects because it was undesirable for my entire activity to get destroyed on screen rotate/resize, so I've never found this to be problematic. (thanks to dpimka for refreshing my memory on this and correcting me!)

One note:

When I've said "background" here in this answer, I've meant "your app is no longer visible." Android activities can be visible yet not in the foreground (for example, if there's a transparent notification overlay). That's why I've updated this answer to reflect that.

It's important to know that Android has a weird limbo moment when switching activities where nothing is in the foreground. For this reason, if you check if your application is in the foreground when switching between activities (in the same app), you'll be told you're not in the foreground (even though your app is still the active app and is visible).

You can check if your app is in the foreground in your Activity's onPause() method after super.onPause(). Just remember the weird limbo state I just talked about.

You can check if your app is visible (i.e. if it's not in the background) in your Activity's onStop() method after super.onStop().

I have used this code and get the solution.

AppDomain.CurrentDomain.BaseDirectory

Using the .not() method with selecting an entire element is also an option.

This way could be usefull if you want to do another action with that element directly.

$(".thisClass").not($("#thisId")[0].doAnotherAction()).doAction();

Since ES6, you can also swap variables more elegantly:

var a = 1,
    b = 2;

[a, b] = [b, a];

console.log('a:', a, 'b:', b); // a: 2 b: 1

Assuming userInfoList is a List<UserInfo>:

        var groups = userInfoList
            .GroupBy(n => n.metric)
            .Select(n => new
            {
                MetricName = n.Key,
                MetricCount = n.Count()
            }
            )
            .OrderBy(n => n.MetricName);

The lambda function for GroupBy(), n => n.metric means that it will get field metric from every UserInfo object encountered. The type of n is depending on the context, in the first occurrence it's of type UserInfo, because the list contains UserInfo objects. In the second occurrence n is of type Grouping, because now it's a list of Grouping objects.

Groupings have extension methods like .Count(), .Key() and pretty much anything else you would expect. Just as you would check .Lenght on a string, you can check .Count() on a group.

I end up here while googling for the problem with not printable character. I use MySQL UTF-8 general_ci and deal with polish language. For problematic strings I have to procced as follows:

text=text.replace('\xc2\xa0', ' ')

It is just fast workaround and you probablly should try something with right encoding setup.

The simplest way to get an input box is with the Read-Host cmdlet and -AsSecureString parameter.

$us = Read-Host 'Enter Your User Name:' -AsSecureString
$pw = Read-Host 'Enter Your Password:' -AsSecureString

This is especially useful if you are gathering login info like my example above. If you prefer to keep the variables obfuscated as SecureString objects you can convert the variables on the fly like this:

[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($us))
[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($pw))

If the info does not need to be secure at all you can convert it to plain text:

$user = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($us))

Read-Host and -AsSecureString appear to have been included in all PowerShell versions (1-6) but I do not have PowerShell 1 or 2 to ensure the commands work identically. https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/read-host?view=powershell-3.0

SimpleDateFormat dt1 = new SimpleDateFormat("yyyy-mm-dd");

Here is some hacketi hack code. I wanted to maintain a row template in an HTML page. Table rows 0...n are rendered at request time, and this example has one hardcoded row and a simplified template row. The template table is hidden, and the row tag must be within a valid table or browsers may drop it from the DOM tree. Adding a row uses counter+1 identifier, and the current value is maintained in the data attribute. It guarantees each row gets unique URL parameters.

I have run tests on Internet Explorer 8, Internet Explorer 9, Firefox, Chrome, Opera, Nokia Lumia 800, Nokia C7 (with Symbian 3), Android stock and Firefox beta browsers.

<table id="properties">
<tbody>
  <tr>
    <th>Name</th>
    <th>Value</th>
    <th>&nbsp;</th>
  </tr>
  <tr>
    <td nowrap>key1</td>
    <td><input type="text" name="property_key1" value="value1" size="70"/></td>
    <td class="data_item_options">
       <a class="buttonicon" href="javascript:deleteRow()" title="Delete row" onClick="deleteRow(this); return false;"></a>
    </td>
  </tr>
</tbody>
</table>

<table id="properties_rowtemplate" style="display:none" data-counter="0">
<tr>
 <td><input type="text" name="newproperty_name_\${counter}" value="" size="35"/></td>
 <td><input type="text" name="newproperty_value_\${counter}" value="" size="70"/></td>
 <td><a class="buttonicon" href="javascript:deleteRow()" title="Delete row" onClick="deleteRow(this); return false;"></a></td>
</tr>
</table>
<a class="action" href="javascript:addRow()" onclick="addRow('properties'); return false" title="Add new row">Add row</a><br/>
<br/>

- - - - 
// add row to html table, read html from row template
function addRow(sTableId) {
    // find destination and template tables, find first <tr>
    // in template. Wrap inner html around <tr> tags.
    // Keep track of counter to give unique field names.
    var table  = $("#"+sTableId);
    var template = $("#"+sTableId+"_rowtemplate");
    var htmlCode = "<tr>"+template.find("tr:first").html()+"</tr>";
    var id = parseInt(template.data("counter"),10)+1;
    template.data("counter", id);
    htmlCode = htmlCode.replace(/\${counter}/g, id);
    table.find("tbody:last").append(htmlCode);
}

// delete <TR> row, childElem is any element inside row
function deleteRow(childElem) {
    var row = $(childElem).closest("tr"); // find <tr> parent
    row.remove();
}

PS: I give all credits to the jQuery team; they deserve everything. JavaScript programming without jQuery - I don't even want think about that nightmare.

An alternative way to do this without installing anything (vagrant-scp etc.) Note that the name default needs to be used as is, since vagrant ssh-config emits that.

vg_scp() {
  tmpfile=$(mktemp /tmp/vagrant-ssh-config.XXXX)
  vagrant ssh-config > $tmpfile
  scp -F $tmpfile "$@"
  rm $tmpfile
}

# Copy from local to remote
vg_scp somefile default:/tmp

# Copy from remote to local
vg_scp default:/tmp/somefile ./

# Copy a directory from remote to local
vg_scp -r default:/tmp ./tmp

The function would not be necessary if scp -F =(vagrant ssh-config) ... would have worked across shells. But since this is not supported by Bash, we have to resort to this workaround.

After login I had the same problem so I used

@Override
protected void onRestart() {
    this.recreate();
    super.onRestart();
}

@unutbu's answer is spot on, just wanted to add a warning that your mask needs to be dtype bool, not 'object'. Ie your mask can't have ever had any nan's. See here - even if your mask is nan-free now, it will remain 'object' type.

The inverse of an 'object' series won't throw an error, instead you'll get a garbage mask of ints that won't work as you expect.

In[1]: df = pd.DataFrame({'A':[True, False, np.nan], 'B':[True, False, True]})
In[2]: df.dropna(inplace=True)
In[3]: df['A']
Out[3]:
0    True
1   False
Name: A, dtype object
In[4]: ~df['A']
Out[4]:
0   -2
0   -1
Name: A, dtype object

After speaking with colleagues about this one I have an explanation: It looks like pandas is reverting to the bitwise operator:

In [1]: ~True
Out[1]: -2

As @geher says, you can convert it to bool with astype before you inverse with ~

~df['A'].astype(bool)
0    False
1     True
Name: A, dtype: bool
(~df['A']).astype(bool)
0    True
1    True
Name: A, dtype: bool

Using a javascript as a failsafe will ensure the user is redirected (even if the headers have already been sent). Here you go:

// $url should be an absolute url
function redirect($url){
    if (headers_sent()){
      die('<script type="text/javascript">window.location=\''.$url.'\';</script??>');
    }else{
      header('Location: ' . $url);
      die();
    }    
}

If you need to properly handle relative paths, I've written a function for that (but that's outside the scope of the question).

This is a program I wrote, which gets the number of days between 2 dates(no time here).

import java.util.Scanner;
public class HelloWorld {
 public static void main(String args[]) {
  Scanner s = new Scanner(System.in);
  System.out.print("Enter starting date separated by dots: ");
  String inp1 = s.nextLine();
  System.out.print("Enter ending date separated by dots: ");
  String inp2 = s.nextLine();
  int[] nodim = {
   0,
   31,
   28,
   31,
   30,
   31,
   30,
   31,
   31,
   30,
   31,
   30,
   31
  };
  String[] inpArr1 = split(inp1);
  String[] inpArr2 = split(inp2);
  int d1 = Integer.parseInt(inpArr1[0]);
  int m1 = Integer.parseInt(inpArr1[1]);
  int y1 = Integer.parseInt(inpArr1[2]);
  int d2 = Integer.parseInt(inpArr2[0]);
  int m2 = Integer.parseInt(inpArr2[1]);
  int y2 = Integer.parseInt(inpArr2[2]);
  if (y1 % 4 == 0) nodim[2] = 29;
  int diff = m1 == m2 && y1 == y2 ? d2 - (d1 - 1) : (nodim[m1] - (d1 - 1));
  int mm1 = m1 + 1, mm2 = m2 - 1, yy1 = y1, yy2 = y2;
  for (; yy1 <= yy2; yy1++, mm1 = 1) {
   mm2 = yy1 == yy2 ? (m2 - 1) : 12;
   if (yy1 % 4 == 0) nodim[2] = 29;
   else nodim[2] = 28;
   if (mm2 == 0) {
    mm2 = 12;
    yy2 = yy2 - 1;
   }
   for (; mm1 <= mm2 && yy1 <= yy2; mm1++) diff = diff + nodim[mm1];
  }
  System.out.print("No. of days from " + inp1 + " to " + inp2 + " is " + diff);
 }
 public static String[] split(String s) {
  String[] retval = {
   "",
   "",
   ""
  };
  s = s + ".";
  s = s + " ";
  for (int i = 0; i <= 2; i++) {
   retval[i] = s.substring(0, s.indexOf("."));
   s = s.substring((s.indexOf(".") + 1), s.length());
  }
  return retval;
 }
}

http://pastebin.com/HRsjTtUf

Old question, but here's another explanation of the problem. You'll get this error even if you have strongly typed views and aren't using ViewData to create your dropdown list. The reason for the error can becomes clear when you look at the MVC source:

// If we got a null selectList, try to use ViewData to get the list of items.
if (selectList == null)
{
    selectList = htmlHelper.GetSelectData(name);
    usedViewData = true;
}

So if you have something like:

@Html.DropDownList("MyList", Model.DropDownData, "")

And Model.DropDownData is null, MVC looks through your ViewData for something named MyList and throws an error if there's no object in ViewData with that name.

Here very simple method

let data = string.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)

May be it's good if you define your background-image in the :after pseudo class. Write like this:

.parent{
    width:300px;
    height:300px;
    position:relative;
    border:1px solid red;
}
.parent:after{
    content:'';
    background:url('http://www.dummyimage.com/300x300/000/fff&text=parent+image');
    width:300px;
    height:300px;
    position:absolute;
    top:0;
    left:0;
    opacity:0.5;
}
.child{
    background:yellow;
    position:relative;
    z-index:1;
}

Check this fiddle

When we use the slf4j api jar, we need any of the logger implementations like log4j. On my system, we have the complete set and it works fine.

1. slf4j-api-1.5.6.jar
2. slf4j-log4j12-1.5.6.jar
3. **log4j-1.2.15.jar**

This is a good overview:

http://reference.jumpingmonkey.org/programming_languages/objective-c/types.html

or run this code:

32 bit process:

  NSLog(@"Primitive sizes:");
  NSLog(@"The size of a char is: %d.", sizeof(char));
  NSLog(@"The size of short is: %d.", sizeof(short));
  NSLog(@"The size of int is: %d.", sizeof(int));
  NSLog(@"The size of long is: %d.", sizeof(long));
  NSLog(@"The size of long long is: %d.", sizeof(long long));
  NSLog(@"The size of a unsigned char is: %d.", sizeof(unsigned char));
  NSLog(@"The size of unsigned short is: %d.", sizeof(unsigned short));
  NSLog(@"The size of unsigned int is: %d.", sizeof(unsigned int));
  NSLog(@"The size of unsigned long is: %d.", sizeof(unsigned long));
  NSLog(@"The size of unsigned long long is: %d.", sizeof(unsigned long long));
  NSLog(@"The size of a float is: %d.", sizeof(float));
  NSLog(@"The size of a double is %d.", sizeof(double));

  NSLog(@"Ranges:");
  NSLog(@"CHAR_MIN:   %c",   CHAR_MIN);
  NSLog(@"CHAR_MAX:   %c",   CHAR_MAX);
  NSLog(@"SHRT_MIN:   %hi",  SHRT_MIN);    // signed short int
  NSLog(@"SHRT_MAX:   %hi",  SHRT_MAX);
  NSLog(@"INT_MIN:    %i",   INT_MIN);
  NSLog(@"INT_MAX:    %i",   INT_MAX);
  NSLog(@"LONG_MIN:   %li",  LONG_MIN);    // signed long int
  NSLog(@"LONG_MAX:   %li",  LONG_MAX);
  NSLog(@"ULONG_MAX:  %lu",  ULONG_MAX);   // unsigned long int
  NSLog(@"LLONG_MIN:  %lli", LLONG_MIN);   // signed long long int
  NSLog(@"LLONG_MAX:  %lli", LLONG_MAX);
  NSLog(@"ULLONG_MAX: %llu", ULLONG_MAX);  // unsigned long long int

When run on an iPhone 3GS (iPod Touch and older iPhones should yield the same result) you get:

Primitive sizes:
The size of a char is: 1.                
The size of short is: 2.                 
The size of int is: 4.                   
The size of long is: 4.                  
The size of long long is: 8.             
The size of a unsigned char is: 1.       
The size of unsigned short is: 2.        
The size of unsigned int is: 4.          
The size of unsigned long is: 4.         
The size of unsigned long long is: 8.    
The size of a float is: 4.               
The size of a double is 8.               
Ranges:                                  
CHAR_MIN:   -128                         
CHAR_MAX:   127                          
SHRT_MIN:   -32768                       
SHRT_MAX:   32767                        
INT_MIN:    -2147483648                  
INT_MAX:    2147483647                   
LONG_MIN:   -2147483648                  
LONG_MAX:   2147483647                   
ULONG_MAX:  4294967295                   
LLONG_MIN:  -9223372036854775808         
LLONG_MAX:  9223372036854775807          
ULLONG_MAX: 18446744073709551615 

64 bit process:

The size of a char is: 1.
The size of short is: 2.
The size of int is: 4.
The size of long is: 8.
The size of long long is: 8.
The size of a unsigned char is: 1.
The size of unsigned short is: 2.
The size of unsigned int is: 4.
The size of unsigned long is: 8.
The size of unsigned long long is: 8.
The size of a float is: 4.
The size of a double is 8.
Ranges:
CHAR_MIN:   -128
CHAR_MAX:   127
SHRT_MIN:   -32768
SHRT_MAX:   32767
INT_MIN:    -2147483648
INT_MAX:    2147483647
LONG_MIN:   -9223372036854775808
LONG_MAX:   9223372036854775807
ULONG_MAX:  18446744073709551615
LLONG_MIN:  -9223372036854775808
LLONG_MAX:  9223372036854775807
ULLONG_MAX: 18446744073709551615

You can also use replaceAll(search, replaceWith) [MDN].

Then, make sure you have a string by wrapping one type of quotes by a different type:

 'a "b" c'.replaceAll('"', "'")
 // result: "a 'b' c"
    
 'a "b" c'.replaceAll(`"`, `'`)
 // result: "a 'b' c"

 // Using RegEx. You MUST use a global RegEx(Meaning it'll match all occurrences).
 'a "b" c'.replaceAll(/\"/g, "'")
 // result: "a 'b' c"

Important(!) if you choose regex:

when using a regexp you have to set the global ("g") flag; otherwise, it will throw a TypeError: "replaceAll must be called with a global RegExp".

This is what worked for me for IE 11+, Firefox and Chrome. In safari it downloads a file but as unknown and the filename is not set.

if (window.navigator.msSaveOrOpenBlob) {
    var blob = new Blob([csvDataString]);  //csv data string as an array.
    // IE hack; see http://msdn.microsoft.com/en-us/library/ie/hh779016.aspx
    window.navigator.msSaveBlob(blob, fileName);
} else {
    var anchor = angular.element('<a/>');
    anchor.css({display: 'none'}); // Make sure it's not visible
    angular.element(document.body).append(anchor); // Attach to document for FireFox

    anchor.attr({
        href: 'data:attachment/csv;charset=utf-8,' + encodeURI(csvDataString),
        target: '_blank',
        download: fileName
})[0].click();
anchor.remove();
}

If you get a Error 509 in Libre office you may replace , by ; in the DATE() function

=(((COLUMN_ID_HERE/60)/60)/24)+DATE(1970;1;1)

Let's Encrypt is a free, automated, and open certificate authority made by the Internet Security Research Group (ISRG). It is sponsored by well-known organisations such as Mozilla, Cisco or Google Chrome. All modern browsers are compatible and trust Let's Encrypt.

All certificates are free (even wildcard certificates)! For security reasons, the certificates expire pretty fast (after 90 days). For this reason, it is recommended to install an ACME client, which will handle automatic certificate renewal.

There are many clients you can use to install a Let's Encrypt certificate:

Let’s Encrypt uses the ACME protocol to verify that you control a given domain name and to issue you a certificate. To get a Let’s Encrypt certificate, you’ll need to choose a piece of ACME client software to use. - https://letsencrypt.org/docs/client-options/

    .black-strip
{   width:100%;
    height: 30px;       
    background-color:black; 
}

.green-strip
{   width:0%;           
    height: 30px;       
    background-color:lime;
    animation-name: progress-bar;           
    animation-duration: 4s;  
    animation-iteration-count: infinite; 
}

@keyframes progress-bar { 
    from{width:0%} 
    to{width:100%} 
}

    <div class="black-strip">
        <div class="green-strip">
        </div>
   </div>

Not as concrete as the answer of Artefacto, but based in his suggestion of using array_slice(), I wrote the next function:

function arrayInsert($target, $byKey, $byOffset, $valuesToInsert, $afterKey) {
    if (isset($byKey)) {
        if (is_numeric($byKey)) $byKey = (int)floor($byKey);
        $offset = 0;

        foreach ($target as $key => $value) {
            if ($key === $byKey) break;
            $offset++;
        }

        if ($afterKey) $offset++;
    } else {
        $offset = $byOffset;
    }

    $targetLength = count($target);
    $targetA = array_slice($target, 0, $offset, true);
    $targetB = array_slice($target, $offset, $targetLength, true);
    return array_merge($targetA, $valuesToInsert, $targetB);
}

Features:

• Inserting one or múltiple values
• Inserting key value pair(s)
• Inserting before/after the key, or by offset

Usage examples:

$target = [
    'banana' => 12,
    'potatoe' => 6,
    'watermelon' => 8,
    'apple' => 7,
    2 => 21,
    'pear' => 6
];

// Values must be nested in an array
$insertValues = [
    'orange' => 0,
    'lemon' => 3,
    3
];

// By key
// Third parameter is not applicable
//     Insert after 2 (before 'pear')
var_dump(arrayInsert($target, 2, null, $valuesToInsert, true));
//     Insert before 'watermelon'
var_dump(arrayInsert($target, 'watermelon', null, $valuesToInsert, false)); 

// By offset
// Second and last parameter are not applicable
//     Insert in position 2 (zero based i.e. before 'watermelon')
var_dump(arrayInsert($target, null, 2, $valuesToInsert, null)); 

You will need wrapper classes:

public class SomeIntInfo
{
    [XmlAttribute]
    public int Value { get; set; }
}

public class SomeStringInfo
{
    [XmlAttribute]
    public string Value { get; set; }
}

public class SomeModel
{
    [XmlElement("SomeStringElementName")]
    public SomeStringInfo SomeString { get; set; }

    [XmlElement("SomeInfoElementName")]
    public SomeIntInfo SomeInfo { get; set; }
}

or a more generic approach if you prefer:

public class SomeInfo<T>
{
    [XmlAttribute]
    public T Value { get; set; }
}

public class SomeModel
{
    [XmlElement("SomeStringElementName")]
    public SomeInfo<string> SomeString { get; set; }

    [XmlElement("SomeInfoElementName")]
    public SomeInfo<int> SomeInfo { get; set; }
}

And then:

class Program
{
    static void Main()
    {
        var model = new SomeModel
        {
            SomeString = new SomeInfo<string> { Value = "testData" },
            SomeInfo = new SomeInfo<int> { Value = 5 }
        };
        var serializer = new XmlSerializer(model.GetType());
        serializer.Serialize(Console.Out, model);
    }
}

will produce:

<?xml version="1.0" encoding="ibm850"?>
<SomeModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <SomeStringElementName Value="testData" />
  <SomeInfoElementName Value="5" />
</SomeModel>

I have a GitHub Gist with a Java like UUID implementation in C#: https://gist.github.com/rickbeerendonk/13655dd24ec574954366

The UUID can be created from the least and most significant bits, just like in Java. It also exposes them. The implementation has an explicit conversion to a GUID and an implicit conversion from a GUID.

Here's a chart that may be helpful deciding which to use: http://blog.sematext.com/2011/09/19/top-javascript-dynamic-table-libraries/

You can do something like create a record which contains the data you want to authenticate to the application. This could include anything you want - e.g. program features to enable, expiry date, name of the user (if you want to bind it to a user). Then encrypt that using some crypto algorithm with a fixed key or hash it. Then you just verify it within your program. One way to distribute the license file (on windows) is to provide it as a file which updates the registry (saves the user having to type it).

Beware of false sense of security though - sooner or later someone will simply patch your program to skip that check, and distribute the patched version. Or, they will work out a key that passes all checks and distribute that, or backdate the clock, etc. It doesn't matter how convoluted you make your scheme, anything you do for this will ultimately be security through obscurity and they will always be able to this. Even if they can't someone will, and will distribute the hacked version. Same applies even if you supply a dongle - if someone wants to, they can patch out the check for that too. Digitally signing your code won't help, they can remove that signature, or resign it.

You can complicate matters a bit by using techniques to prevent the program running in a debugger etc, but even this is not bullet proof. So you should just make it difficult enough that an honest user will not forget to pay. Also be very careful that your scheme does not become obtrusive to paying users - it's better to have some ripped off copies than for your paying customers not to be able to use what they have paid for.

Another option is to have an online check - just provide the user with a unique ID, and check online as to what capabilities that ID should have, and cache it for some period. All the same caveats apply though - people can get round anything like this.

Consider also the support costs of having to deal with users who have forgotten their key, etc.

edit: I just want to add, don't invest too much time in this or think that somehow your convoluted scheme will be different and uncrackable. It won't, and cannot be as long as people control the hardware and OS your program runs on. Developers have been trying to come up with ever more complex schemes for this, thinking that if they develop their own system for it then it will be known only to them and therefore 'more secure'. But it really is the programming equivalent of trying to build a perpetual motion machine. :-)

If anyone else is on this question, when using include('somepath.php'); and that file contains a function, the var must be declared there as well. The inclusion of $var=$var; won't always work. Try running these:

one.php:

<?php
    $vars = array('stack','exchange','.com');

    include('two.php'); /*----- "paste" contents of two.php */

    testFunction(); /*----- execute imported function */
?>

two.php:

<?php
    function testFunction(){ 
        global $vars; /*----- vars declared inside func! */
        echo $vars[0].$vars[1].$vars[2];
    }
?>

The following steps worked for me. You just need to write this lines:

String sdf = new String(Environment.getExternalStorageDirectory().getName());
String sddir = new String(Environment.getExternalStorageDirectory().getPath().replace(sdf,""));

The first line will give the name of sd directory, and you just need to use it in the replace method for the second string. The second string will contain the path for the internal and removable sd(/storage/ in my case). I just needed this path for my app but you can go further if you need it.

sys.stdin.read(1)

will basically read 1 byte from STDIN.

If you must use the method which does not wait for the \n you can use this code as suggested in previous answer:

class _Getch:
    """Gets a single character from standard input.  Does not echo to the screen."""
    def __init__(self):
        try:
            self.impl = _GetchWindows()
        except ImportError:
            self.impl = _GetchUnix()

    def __call__(self): return self.impl()


class _GetchUnix:
    def __init__(self):
        import tty, sys

    def __call__(self):
        import sys, tty, termios
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(sys.stdin.fileno())
            ch = sys.stdin.read(1)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch


class _GetchWindows:
    def __init__(self):
        import msvcrt

    def __call__(self):
        import msvcrt
        return msvcrt.getch()


getch = _Getch()

(taken from http://code.activestate.com/recipes/134892/)

Bit late, but the implementation used by System.Random is Environment.TickCount:

public Random() 
  : this(Environment.TickCount) {
}

This avoids having to cast DateTime.UtcNow.Ticks from a long, which is risky anyway as it doesn't represent ticks since system start, but "the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight, January 1, 0001 (0:00:00 UTC on January 1, 0001, in the Gregorian calendar)".

Was looking for a good integer seed for the TestApi's StringFactory.GenerateRandomString

You should check the EOF after reading from file.

fscanf_s                   // read from file
while(condition)           // check EOF
{
   fscanf_s               // read from file
}

I use a hack/workaround to avoid having to build the whole TF library myself (which saves both time (it's set up in 3 minutes), disk space, installing dev dependencies, and size of the resulting binary). It's officially unsupported, but works well if you just want to quickly jump in.

Install TF through pip (pip install tensorflow or pip install tensorflow-gpu). Then find its library _pywrap_tensorflow.so (TF 0.* - 1.0) or _pywrap_tensorflow_internal.so (TF 1.1+). In my case (Ubuntu) it's located at /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow.so. Then create a symlink to this library called lib_pywrap_tensorflow.so somewhere where your build system finds it (e.g. /usr/lib/local). The prefix lib is important! You can also give it another lib*.so name - if you call it libtensorflow.so, you may get better compatibility with other programs written to work with TF.

Then create a C++ project as you are used to (CMake, Make, Bazel, whatever you like).

And then you're ready to just link against this library to have TF available for your projects (and you also have to link against python2.7 libraries)! In CMake, you e.g. just add target_link_libraries(target _pywrap_tensorflow python2.7).

The C++ header files are located around this library, e.g. in /usr/local/lib/python2.7/dist-packages/tensorflow/include/.

Once again: this way is officially unsupported and you may run in various issues. The library seems to be statically linked against e.g. protobuf, so you may run in odd link-time or run-time issues. But I am able to load a stored graph, restore the weights and run inference, which is IMO the most wanted functionality in C++.

faster to read than non cluster as data is physically storted in index order we can create only one per table.(cluster index)

quicker for insert and update operation than a cluster index. we can create n number of non cluster index.

Well, here is my "answer". It uses the fact that String.Split can be told hold many items it should split to (which I found lacking in the other answers):

string theString = "Some Very Large String Here";
var array = theString.Split(new [] { ' ' }, 2); // return at most 2 parts
// note: be sure to check it's not an empty array
string firstElem = array[0];
// note: be sure to check length first
string restOfArray = array[1];

This is very similar to the Substring method, just by a different means.

IMO OP does not actually want np.bitwise_and() (aka &) but actually wants np.logical_and() because they are comparing logical values such as True and False - see this SO post on logical vs. bitwise to see the difference.

>>> x = array([5, 2, 3, 1, 4, 5])
>>> y = array(['f','o','o','b','a','r'])
>>> output = y[np.logical_and(x > 1, x < 5)] # desired output is ['o','o','a']
>>> output
array(['o', 'o', 'a'],
      dtype='|S1')

And equivalent way to do this is with np.all() by setting the axis argument appropriately.

>>> output = y[np.all([x > 1, x < 5], axis=0)] # desired output is ['o','o','a']
>>> output
array(['o', 'o', 'a'],
      dtype='|S1')

by the numbers:

>>> %timeit (a < b) & (b < c)
The slowest run took 32.97 times longer than the fastest. This could mean that an intermediate result is being cached.
100000 loops, best of 3: 1.15 µs per loop

>>> %timeit np.logical_and(a < b, b < c)
The slowest run took 32.59 times longer than the fastest. This could mean that an intermediate result is being cached.
1000000 loops, best of 3: 1.17 µs per loop

>>> %timeit np.all([a < b, b < c], 0)
The slowest run took 67.47 times longer than the fastest. This could mean that an intermediate result is being cached.
100000 loops, best of 3: 5.06 µs per loop

so using np.all() is slower, but & and logical_and are about the same.

Assuming that you've designed an HTML page containing a table, I would recommend this solution. Worked like charm for me:

$(document).ready(() => {
  $("#buttonExport").click(e => {
    // Getting values of current time for generating the file name
    const dateTime = new Date();
    const day      = dateTime.getDate();
    const month    = dateTime.getMonth() + 1;
    const year     = dateTime.getFullYear();
    const hour     = dateTime.getHours();
    const minute   = dateTime.getMinutes();
    const postfix  = `${day}.${month}.${year}_${hour}.${minute}`;

    // Creating a temporary HTML link element (they support setting file names)
    const downloadElement = document.createElement('a');

    // Getting data from our `div` that contains the HTML table
    const dataType  = 'data:application/vnd.ms-excel';
    const tableDiv  = document.getElementById('divData');
    const tableHTML = tableDiv.outerHTML.replace(/ /g, '%20');

    // Setting the download source
    downloadElement.href = `${dataType},${tableHTML}`;

    // Setting the file name
    downloadElement.download = `exported_table_${postfix}.xls`;

    // Trigger the download
    downloadElement.click();

    // Just in case, prevent default behaviour
    e.preventDefault();
  });
});

Courtesy: http://www.kubilayerdogan.net/?p=218

You can edit the file format to .csv here:

downloadElement.download = `exported_table_${postfix}.csv`;

Just try this one as a full copy paste in the shell and you will grasp it

# create the example file to  be working on .. 
cat << EOF > tmp.json
[  
 { "card_id": "id-00", "card_id_type": "card_id_type-00"},
 {"card_id": "id-01", "card_id_type": "card_id_type-01"},
 {  "card_id": "id-02", "card_id_type": "card_id_type-02"}
]
EOF


# pipe the content of the file to the  jq query, which gets the array of objects
# and select the attribute named "card_id" ONLY if it's neighbour attribute
# named "card_id_type" has the "card_id_type-01" value
# jq -r means give me ONLY the value of the jq query no quotes aka raw
cat tmp.json | jq -r '.[]| select (.card_id_type == "card_id_type-01")|.card_id'

id-01

or with an aws cli command

 # list my vpcs or
 # list the values of the tags which names are "Name" 
 aws ec2 describe-vpcs | jq -r '.| .Vpcs[].Tags[]|select (.Key == "Name") | .Value'|sort  -nr

Well, this can take long time to figure out. Few points to narrow it down:

• Identify what is killing the CPU. I recommend Process Explorer http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx
• Identify what AppPool is causing this
• Fix your code

In Command prompt go to project folder and execute following:

ng g s servicename

Boolean(val) === false. This worked for me to check if value was falsely.

use a simple formula: WHO.WHAT = VALUE

where,

WHO is the element in the storyboard you want to make changes to for eg. label

WHAT is the property of that element you wish to change for eg. text

VALUE is the change that you wish to be displayed

for eg. if I want to change the text from story text to You see a fork in the road in the label as shown in screenshot 1

In this case, our WHO is the label (element in the storyboard), WHAT is the text (property of element) and VALUE will be You see a fork in the road

so our final code will be as follows: Final code

screenshot 1 changes to screenshot 2 once the above code is executed.

I hope this solution helps you solve your issue. Thank you!

For my project, I used a slightly modified version of Jon's and Fathah's solution. In the case of multiple entries with the same value, it returns the last entry it finds:

public static Entry<String, Integer> getMaxEntry(Map<String, Integer> map) {        
    Entry<String, Integer> maxEntry = null;
    Integer max = Collections.max(map.values());

    for(Entry<String, Integer> entry : map.entrySet()) {
        Integer value = entry.getValue();

        if(null != value && max == value) {
            maxEntry = entry;
        }
    }

    return maxEntry;
}

Give your button a custom background: @drawable/material_btn_blue

I know this is ancient however when dealing with finicky tools, uses, users or symptoms re: sid & service naming one can add a little flex to your tnsnames entries as like:

mySID, mySID.whereever.com =
(DESCRIPTION =
  (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = myHostname)(PORT = 1521))
  )
  (CONNECT_DATA =
    (SERVICE_NAME = mySID.whereever.com)
    (SID = mySID)
    (SERVER = DEDICATED)
  )
)

I just thought I'd leave this here as it's mildly relevant to the question and can be helpful when attempting to weave around some less than clear idiosyncrasies of oracle networking.

Now, I just started programing about a week ago, so nothing fancy, but I had this as a problem and came up with this, which may be easier for people who are just getting into programing to understand. It uses Euclid's method like in previous examples.

public class GCD {
  public static void main(String[] args){
    int x = Math.max(Integer.parseInt(args[0]),Integer.parseInt(args[1]));    
    int y = Math.min(Integer.parseInt(args[0]),Integer.parseInt(args[1]));     
    for (int r = x % y; r != 0; r = x % y){
      x = y;
      y = r;
    }
    System.out.println(y);
  }
}

I agree with the answer from zacherates.

But what you can do is to call intern() on your non-literal strings.

From zacherates example:

// ... but they are not the same object
new String("test") == "test" ==> false 

If you intern the non-literal String equality is true:

new String("test").intern() == "test" ==> true 

I had a similar issue, and discovered that option arguments must be in a certain order. I am only aware of the two arguments that were required to get this working on my Ubuntu 18 machine. This sample code worked on my end:

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

options = Options()
options.add_argument('--no-sandbox')
options.add_argument('--disable-dev-shm-usage')

d = webdriver.Chrome(executable_path=r'/home/PycharmProjects/chromedriver', chrome_options=options)
d.get('https://www.google.nl/')

Using onBackPressed() method:

@Override
public void onBackPressed() {    
    android.os.Process.killProcess(android.os.Process.myPid());
}

or use the finish() method, I have something like

//Password Error, I call function
    Quit();             


    protected void Quit() {
        super.finish();
    }

With super.finish() you close the super class's activity.

I used ini_set('display_errors','off'); and it worked great.

Just store the index generated in a variable, and then access the array using this varaible:

int idx = new Random().nextInt(fruits.length);
String random = (fruits[idx]);

P.S. I usually don't like generating new Random object per randoization - I prefer using a single Random in the program - and re-use it. It allows me to easily reproduce a problematic sequence if I later find any bug in the program.

According to this approach, I will have some variable Random r somewhere, and I will just use:

int idx = r.nextInt(fruits.length)

However, your approach is OK as well, but you might have hard time reproducing a specific sequence if you need to later on.

-- Disable the constraints on a table called tableName:
ALTER TABLE tableName NOCHECK CONSTRAINT ALL

-- Re-enable the constraints on a table called tableName:
ALTER TABLE tableName WITH CHECK CHECK CONSTRAINT ALL
---------------------------------------------------------

-- Disable constraints for all tables:
EXEC sp_msforeachtable 'ALTER TABLE ? NOCHECK CONSTRAINT all'

-- Re-enable constraints for all tables:
EXEC sp_msforeachtable 'ALTER TABLE ? WITH CHECK CHECK CONSTRAINT all'
---------------------------------------------------------

As an alternative to using quotes, for a directory you want to go to often, you could use the cdable_vars shell option:

shopt -s cdable_vars
docs='/cygdrive/c/Users/my dir/Documents'

Now, to change into that directory from anywhere, you can use

cd docs

and the shell will indicate which directory it changed to:

$ cd docs
/cygdrive/c/Users/my dir/Documents

I was using DOCKER_OPTS="--dns 8.8.8.8" and later discovered and that my container didn't have direct access to internet but could access my corporate intranet. I changed DOCKER_OPTS to the following:

DOCKER_OPTS="--dns <internal_corporate_dns_address"

replacing internal_corporate_dns_address with the IP address or FQDN of our DNS and restarted docker using

sudo service docker restart

and then spawned my container and checked that it had access to internet.

You can read about the keyword unsigned in the C++ Reference.

There are two different types in this matter, signed and un-signed. The default for integers is signed which means that they can have negative values.

On a 32-bit system an integer is 32 Bit which means it can contain a value of ~4 billion.

And when it is signed, this means you need to split it, leaving -2 billion to +2 billion.

When it is unsigned however the value cannot contain any negative numbers, so for integers this would mean 0 to +4 billion.

There is a bit more informationa bout this on Wikipedia.

It's a few less clicks in VS2017, and if the local repo is ahead of the Git clone, click Source control from the pop-up project menu:


This brings up the Team Explorer Changes dialog:


Type in a description- here it's "Stack Overflow Example Commit".
Make a choice of the three options on offer, all of which are explained here.

Do not use communicate(input=""). It writes input to the process, closes its stdin and then reads all output.

Do it like this:

p=subprocess.Popen(["python","1st.py"],stdin=PIPE,stdout=PIPE)

# get output from process "Something to print"
one_line_output = p.stdout.readline()

# write 'a line\n' to the process
p.stdin.write('a line\n')

# get output from process "not time to break"
one_line_output = p.stdout.readline() 

# write "n\n" to that process for if r=='n':
p.stdin.write('n\n') 

# read the last output from the process  "Exiting"
one_line_output = p.stdout.readline()

What you would do to remove the error:

all_the_process_will_tell_you = p.communicate('all you will ever say to this process\nn\n')[0]

But since communicate closes the stdout and stdin and stderr, you can not read or write after you called communicate.

VB 6 provides a Clipboard object that makes all of this extremely simple and convenient, but unfortunately that's not available from VBA.

If it were me, I'd go the API route. There's no reason to be scared of calling native APIs; the language provides you with the ability to do that for a reason.

However, a simpler alternative is to use the DataObject class, which is part of the Forms library. I would only recommend going this route if you are already using functionality from the Forms library in your app. Adding a reference to this library only to use the clipboard seems a bit silly.

For example, to place some text on the clipboard, you could use the following code:

Dim clipboard As MSForms.DataObject
Set clipboard = New MSForms.DataObject
clipboard.SetText "A string value"
clipboard.PutInClipboard

Or, to copy text from the clipboard into a string variable:

Dim clipboard As MSForms.DataObject
Dim strContents As String

Set clipboard = New MSForms.DataObject
clipboard.GetFromClipboard
strContents = clipboard.GetText

Reset the file in a correct state, commit, and push again.

If you're sure nobody else has fetched your changes yet, you can use --amend when committing, to modify your previous commit (i.e. rewrite history), and then push. I think you'll have to use the -f option when pushing, to force the push, though.

A String is a type of Object. So any method that accepts Object as parameter will surely accept String also. Please provide more of your code if you still do not find a solution.

I agree that a data structure like a List is the best way to go:

List<Integer> values = new ArrayList<Integer>();
Scanner in = new Scanner(System.in);
int value;
int numValues = 0;
do {
    value = in.nextInt();
    values.add(value);
} while (value >= 1) && (value <= 100);

Or you can just allocate an array of a max size and load values into it:

int maxValues = 100;
int [] values = new int[maxValues];
Scanner in = new Scanner(System.in);
int value;
int numValues = 0;
do {
    value = in.nextInt();
    values[numValues++] = value;
} while (value >= 1) && (value <= 100) && (numValues < maxValues);

I use (2) if code is the "owner" of the list. This is for example true for local-only variables. There is no reason to use the abstract type List instead of ArrayList. Another example to demonstrate ownership:

public class Test {

    // This object is the owner of strings, so use the concrete type.
    private final ArrayList<String> strings = new ArrayList<>();

    // This object uses the argument but doesn't own it, so use abstract type.
    public void addStrings(List<String> add) {
        strings.addAll(add);
    }

    // Here we return the list but we do not give ownership away, so use abstract type. This also allows to create optionally an unmodifiable list.
    public List<String> getStrings() {
        return Collections.unmodifiableList(strings);
    }

    // Here we create a new list and give ownership to the caller. Use concrete type.
    public ArrayList<String> getStringsCopy() {
        return new ArrayList<>(strings);
    }
}

Have a look at the System.Diagnostics namespace. Lots of goodies in there!

System.Diagnostics.StackTrace t = new System.Diagnostics.StackTrace();

This is really good to have a poke around in to learn whats going on under the hood.

I'd recommend that you have a look into logging solutions (Such as NLog, log4net or the Microsoft patterns and practices Enterprise Library) which may achieve your purposes and then some. Good luck mate!

Adding strings concatenates them:

> "1" + "1"
"11"

You have to parse them into numbers first:

/* parseFloat is used here. 
 * Because of it's not known that 
 * whether the number has fractional places.
 */

var a = parseFloat($('#a').val()),
    b = parseFloat($('#b').val());

Also, you have to get the values from inside of the click handler:

$("submit").on("click", function() {
   var a = parseInt($('#a').val(), 10),
       b = parseInt($('#b').val(), 10);
});

Otherwise, you're using the values of the textboxes from when the page loads.

SSL certificates are bound to a 'common name', which is usually a fully qualified domain name but can be a wildcard name (eg. *.domain.com) or even an IP address, but it usually isn't.

In your case, you are accessing your LDAP server by a hostname and it sounds like your two LDAP servers have different SSL certificates installed. Are you able to view (or download and view) the details of the SSL certificate? Each SSL certificate will have a unique serial numbers and fingerprint which will need to match. I assume the certificate is being rejected as these details don't match with what's in your certificate store.

Your solution will be to ensure that both LDAP servers have the same SSL certificate installed.

BTW - you can normally override DNS entries on your workstation by editing a local 'hosts' file, but I wouldn't recommend this.

I am adding a second answer. I wrote a quick benchmarking script to try various methods here.

$arr = array(0 => 123456);
for($i = 1; $i < 500000; $i++) {
    $arr[$i] = rand(0,PHP_INT_MAX);
}

shuffle($arr);
$arr2 = $arr;
$arr3 = $arr;

/** 
 * Method 1 - array_search()
 */
$start = microtime(true);
while(($key = array_search(123456,$arr)) !== false) {
    unset($arr[$key]);
}
echo count($arr). ' left, in '.(microtime(true) - $start).' seconds<BR>';

/** 
 * Method 2 - basic loop
 */
$start = microtime(true);
foreach($arr2 as $k => $v) {
    if ($v == 123456) {
        unset($arr2[$k]);
    }
}
echo count($arr2). 'left, in '.(microtime(true) - $start).' seconds<BR>';

/** 
 * Method 3 - array_keys() with search parameter
 */
$start = microtime(true);
$keys = array_keys($arr3,123456);
foreach($keys as $k) {
    unset($arr3[$k]);
}
echo count($arr3). 'left, in '.(microtime(true) - $start).' seconds<BR>';

The third method, array_keys() with the optional search parameter specified, seems to be by far the best method. Output example:

499999 left, in 0.090957164764404 seconds
499999left, in 0.43156313896179 seconds
499999left, in 0.028877019882202 seconds

Judging by this, the solution I would use then would be:

$keysToRemove = array_keys($items,$id);
foreach($keysToRemove as $k) {
    unset($items[$k]);
}

Sometimes cleaning the server works. It worked for me many times.This is only applicable if the program worked earlier but suddenly it stops working.
Steps:
" Right click on Tomcat Server -> Clean. Then restart the server."

High resolution is relative... I was looking at the examples and they mostly cater for milliseconds. However for me it is important to measure microseconds. I have not seen a platform independant solution for microseconds and thought something like the code below will be usefull. I was timing on windows only for the time being and will most likely add a gettimeofday() implementation when doing the same on AIX/Linux.

    #ifdef WIN32
      #ifndef PERFTIME
        #include <windows.h>
        #include <winbase.h>
        #define PERFTIME_INIT unsigned __int64 freq;  QueryPerformanceFrequency((LARGE_INTEGER*)&freq); double timerFrequency = (1.0/freq);  unsigned __int64 startTime;  unsigned __int64 endTime;  double timeDifferenceInMilliseconds;
        #define PERFTIME_START QueryPerformanceCounter((LARGE_INTEGER *)&startTime);
        #define PERFTIME_END QueryPerformanceCounter((LARGE_INTEGER *)&endTime); timeDifferenceInMilliseconds = ((endTime-startTime) * timerFrequency);  printf("Timing %fms\n",timeDifferenceInMilliseconds);
    #define PERFTIME(funct) {unsigned __int64 freq;  QueryPerformanceFrequency((LARGE_INTEGER*)&freq);  double timerFrequency = (1.0/freq);  unsigned __int64 startTime;  QueryPerformanceCounter((LARGE_INTEGER *)&startTime);  unsigned __int64 endTime;  funct; QueryPerformanceCounter((LARGE_INTEGER *)&endTime);  double timeDifferenceInMilliseconds = ((endTime-startTime) * timerFrequency);  printf("Timing %fms\n",timeDifferenceInMilliseconds);}
      #endif
    #else
      //AIX/Linux gettimeofday() implementation here
    #endif

Usage:

PERFTIME(ProcessIntenseFunction());

or

PERFTIME_INIT
PERFTIME_START
ProcessIntenseFunction()
PERFTIME_END

Very simple N^2*logN solution: sort the input array, then go through all pairs A_i, A_j (N^2 time), and for each pair check whether (S - A_i - A_j) is in array (logN time).

Another O(S*N) solution uses classical dynamic programming approach.

In short:

Create an 2-d array V[4][S + 1]. Fill it in such a way, that:

V[0][0] = 1, V[0][x] = 0;

V1[A_i]= 1 for any i, V1[x] = 0 for all other x

V[2][A_i + A_j]= 1, for any i, j. V[2][x] = 0 for all other x

V[3][sum of any 3 elements] = 1.

To fill it, iterate through A_i, for each A_i iterate through the array from right to left.

Unfortunately, there's no way to validate the captcha on the client-side only (web browser), because the nature of captcha itself requires at least two actors (sides) to complete the process. The client-side - asks a human to solve some puzzle, math equitation, text recognition, and the response is being encoded by an algorithm alongside with some metadata like captcha solving timestamp, pseudo-random challenge code. Once the client-side submits the form with a captcha response code, the server-side needs to validate this captcha response code with a predefined set of rules, ie. if captcha solved within 5 min period, if the client's IP addresses are the same and so on. This a very general description, how captchas works, every single implementation (like Google's ReCaptcha, some basic math equitation solving self-made captchas), but the only one thing is common - client-side (web browser) captures users' response and server-side (webserver) validates this response in order to know if the form submission was made by a human or a robot.

NB. The client (web browser) has an option to disable the execution of JavaScript code, which means that the proposed solutions are completely useless.

I'm partial to AdeptSQL. It's clean and intuitive and it DOESN'T have the one feature that scares the hell out of me on a lot of similar programs. One giant button that it you push it will automatically synchronize EVERYTHING without so much as a by-your-leave. If you want to sync the changes you have to do it yourself and I like that.

This article explains in detail how to find the reason for last startup/shutdown. In my case, this was due to windows SCCM pushing updates even though I had it disabled locally. Visit the article for full details with pictures. For reference, here are the steps copy/pasted from the website:

1. Press the Windows + R keys to open the Run dialog, type eventvwr.msc, and press Enter.

2. If prompted by UAC, then click/tap on Yes (Windows 7/8) or Continue (Vista).

3. In the left pane of Event Viewer, double click/tap on Windows Logs to expand it, click on System to select it, then right click on System, and click/tap on Filter Current Log.

4. Do either step 5 or 6 below for what shutdown events you would like to see.

5. To See the Dates and Times of All User Shut Downs of the Computer

   A) In Event sources, click/tap on the drop down arrow and check the USER32 box.

   B) In the All Event IDs field, type 1074, then click/tap on OK.

   C) This will give you a list of power off (shutdown) and restart Shutdown Type of events at the top of the middle pane in Event Viewer.

   D) You can scroll through these listed events to find the events with power off as the Shutdown Type. You will notice the date and time, and what user was responsible for shutting down the computer per power off event listed.

   E) Go to step 7.

6. To See the Dates and Times of All Unexpected Shut Downs of the Computer

   A) In the All Event IDs field, type 6008, then click/tap on OK.

   B) This will give you a list of unexpected shutdown events at the top of the middle pane in Event Viewer. You can scroll through these listed events to see the date and time of each one.

After compiling a few answers, I've come up with the following code. What surprised me was that the timer does not get frozen on a PC (Chrome, FF) or Android Chrome - the trigger worked in the background, and the visibility check was the only reliable info.

var timestamp             = new Date().getTime();
var timerDelay              = 5000;
var processingBuffer  = 2000;

var redirect = function(url) {
  //window.location = url;
  log('ts: ' + timestamp + '; redirecting to: ' + url);
}
var isPageHidden = function() {
    var browserSpecificProps = {hidden:1, mozHidden:1, msHidden:1, webkitHidden:1};
    for (var p in browserSpecificProps) {
        if(typeof document[p] !== "undefined"){
        return document[p];
      }
    }
    return false; // actually inconclusive, assuming not
}
var elapsedMoreTimeThanTimerSet = function(){
    var elapsed = new Date().getTime() - timestamp;
  log('elapsed: ' + elapsed);
  return timerDelay + processingBuffer < elapsed;
}
var redirectToFallbackIfBrowserStillActive = function() {
  var elapsedMore = elapsedMoreTimeThanTimerSet();
  log('hidden:' + isPageHidden() +'; time: '+ elapsedMore);
  if (isPageHidden() || elapsedMore) {
    log('not redirecting');
  }else{
    redirect('appStoreUrl');
  }
}
var log = function(msg){
    document.getElementById('log').innerHTML += msg + "<br>";
}

setTimeout(redirectToFallbackIfBrowserStillActive, timerDelay);
redirect('nativeApp://');

JS Fiddle

Basically, you're trying to use int as if it was an Object, which it isn't (well...it's complicated)

id.equals(list[pos].getItemNumber())

Should be...

id == list[pos].getItemNumber()

I fixed it adding these lines in the build.grandle (App Module)

dependencies {
   compile fileTree(dir: 'libs', include: ['*.jar']) //it was there
   compile "com.android.support:support-v4:21.0.+" //Added
   compile "com.android.support:appcompat-v7:21.0.+" //Added
}

Do ctrl+F5 to compile and run your project without debugging. Look at the output pane (defaults to "Show output from Build"). If it compiled successfully, the path to the .exe file should be there after {projectname}.vcxproj ->

Depending on what you need each child for (if you're looking to post it somewhere via AJAX) you can just do...

$("#formID").serialize()

It creates a string for you with all of the values automatically.

As for looping through objects, you can also do this.

$.each($("input, select, textarea"), function(i,v) {
    var theTag = v.tagName;
    var theElement = $(v);
    var theValue = theElement.val();
});

Found the answer in How to lay out Views in RelativeLayout programmatically?

We should explicitly set id's using setId(). Only then, RIGHT_OF rules make sense.

Another mistake I did is, reusing the layoutparams object between the controls. We should create new object for each control

It's permission problem. It is not "classic" read/write permissions of apache user, but selinux one.

Apache cannot write to files labeled as httpd_sys_content_t they can be only read by apache.

You have 2 possibilities:

1. label svn repository files as httpd_sys_content_rw_t:

   chcon -R -t httpd_sys_content_rw_t /path/to/your/svn/repo
   

2. set selinux boolean httpd_unified --> on

   setsebool -P httpd_unified=1
   

I prefer 2nd possibility. You can play also with other selinux booleans connected with httpd:

getsebool -a | grep httpd

At one point I needed to accurately push log events from Cygwin to the Windows Event log. I wanted the messages in WEVL to be custom, have the correct exit code, details, priorities, message, etc. So I created a little Bash script to take care of this. Here it is on GitHub, logit.sh.

Some excerpts:

usage: logit.sh [-h] [-p] [-i=n] [-s] <description>
example: logit.sh -p error -i 501 -s myscript.sh "failed to run the mount command"

Here is the temporary file contents part:

LGT_TEMP_FILE="$(mktemp --suffix .cmd)"
cat<<EOF>$LGT_TEMP_FILE
    @echo off
    set LGT_EXITCODE="$LGT_ID"
    exit /b %LGT_ID%
EOF
unix2dos "$LGT_TEMP_FILE"

Here is a function to to create events in WEVL:

__create_event () {
    local cmd="eventcreate /ID $LGT_ID /L Application /SO $LGT_SOURCE /T $LGT_PRIORITY /D "
    if [[ "$1" == *';'* ]]; then
        local IFS=';'
        for i in "$1"; do
            $cmd "$i" &>/dev/null
        done
    else
        $cmd "$LGT_DESC" &>/dev/null
    fi
}

Executing the batch script and calling on __create_event:

cmd /c "$(cygpath -wa "$LGT_TEMP_FILE")"
__create_event

Try a simple way:

if($('input[readonly="readonly"]')){
   alert("foo");
}

std::string::compare() returns an int:

• equal to zero if s and t are equal,
• less than zero if s is less than t,
• greater than zero if s is greater than t.

If you want your first code snippet to be equivalent to the second one, it should actually read:

if (!s.compare(t)) {
    // 's' and 't' are equal.
}

The equality operator only tests for equality (hence its name) and returns a bool.

To elaborate on the use cases, compare() can be useful if you're interested in how the two strings relate to one another (less or greater) when they happen to be different. PlasmaHH rightfully mentions trees, and it could also be, say, a string insertion algorithm that aims to keep the container sorted, a dichotomic search algorithm for the aforementioned container, and so on.

EDIT: As Steve Jessop points out in the comments, compare() is most useful for quick sort and binary search algorithms. Natural sorts and dichotomic searches can be implemented with only std::less.

Just converting the OP's own solution into an answer:

def find_between(s, start, end):
  return (s.split(start))[1].split(end)[0]

STR_TO_DATE allows you to do this, and it has a format argument.

Try to list all files' names in the directory by calling:

File file = new File(".");
for(String fileNames : file.list()) System.out.println(fileNames);

and see if you will find your files in the list.

Simple:

btn.setBackground(Color.red);

To use RGB values:

btn[i].setBackground(Color.RGBtoHSB(int, int, int, float[]));

Well I would like to help you by posting a sample program and its output

Program:

t = input("")
x = [None]*t
y = [[None]*t]*t

for i in range(1, t+1):
    x[i-1] = i;

    for j in range(1, t+1):
        y[i-1][j-1] = j;

print x
print y

Output :-

2
[1, 2]
[[1, 2], [1, 2]]

I hope this clears some very basic concept of yours regarding their declaration. To initialize them with some other specific values, like initializing them with 0.. you can declare them as:

x = [0]*10

Hope it helps..!! ;)

You basically need to run the installation again to rebuild the master database with the new collation. You cannot change the entire server's collation any other way.

See:

• MSDN: Setting and changing the server collation
• How to change database or server collation (in the middle of the page)

Update: if you want to change the collation of a database, you can get the current collation using this snippet of T-SQL:

SELECT name, collation_name 
FROM sys.databases
WHERE name = 'test2'   -- put your database name here

This will yield a value something like:

Latin1_General_CI_AS

The _CI means "case insensitive" - if you want case-sensitive, use _CS in its place:

Latin1_General_CS_AS

So your T-SQL command would be:

ALTER DATABASE test2 -- put your database name here
   COLLATE Latin1_General_CS_AS   -- replace with whatever collation you need

You can get a list of all available collations on the server using:

SELECT * FROM ::fn_helpcollations()

You can see the server's current collation using:

SELECT SERVERPROPERTY ('Collation')

Important condition is IF NOT EXISTS to check table is already exist or not in database

like...

String query = "CREATE TABLE IF NOT EXISTS " + TABLE_PLAYER_PHOTO + "("
            + KEY_PLAYER_ID + " TEXT,"
            + KEY_PLAYER_IMAGE + " TEXT)";
db.execSQL(query);

In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit precision IEEE 754 floating point, while floatis a 32-bit precision IEEE 754 floating point. As a float is less precise than a double, the conversion cannot be performed implicitly.

If you want to create a float, you should end your number with f (i.e.: 3.6f).

For more explanation, see the primitive data types definition of the Java tutorial.

Using Jupyterthemes, one can easily change look of notebook.

pip install jupyterthemes

jt -fs 15 

By default code font size is set to 11 . Trying above will change font size. It can be reset using.

jt -r 

This will reset all jupyter theme changes to default.

You can use the following code for changing the String value into the time equivalent:

 String str = "08:03:10 pm";
 DateFormat formatter = new SimpleDateFormat("hh:mm:ss a");
 Date date = (Date)formatter.parse(str);

Hope this helps you.

I know this is an old post, but here's how I solved it (along with converting null values to empty string) in C# using an extension method.

Create a static class with something like the following:

    /// <summary>
    /// Wraps value in quotes if necessary and converts nulls to empty string
    /// </summary>
    /// <param name="value"></param>
    /// <returns>String ready for use in CSV output</returns>
    public static string Q(this string value)
    {
        if (value == null)
        {
            return string.Empty;
        }
        if (value.Contains(",") || (value.Contains("\"") || value.Contains("'") || value.Contains("\\"))
        {
            return "\"" + value + "\"";
        }
        return value;
    }

Then for each string you're writing to CSV, instead of:

stringBuilder.Append( WhateverVariable );

You just do:

stringBuilder.Append( WhateverVariable.Q() );

try

Environment.GetEnvironmentVariable("temp");

That means sql group by 1st column in your select clause, we always use this GROUP BY 1 together with ORDER BY 1, besides you can also use like this GROUP BY 1,2,3.., of course it is convenient for us but you need to pay attention to that condition the result may be not what you want if some one has modified your select columns, and it's not visualized

Well, first, you need to actually define a function before you can run it (and it doesn't need to be called main). For instance:

class Example(object):
    def run(self):
        print "Hello, world!"

if __name__ == '__main__':
    Example().run()

You don't need to use a class, though - if all you want to do is run some code, just put it inside a function and call the function, or just put it in the if block:

def main():
    print "Hello, world!"

if __name__ == '__main__':
    main()

or

if __name__ == '__main__':
    print "Hello, world!"

This is a much simpler example for people only looking for removable usb drives.

using System.IO;

foreach (DriveInfo drive in DriveInfo.GetDrives())
{
    if (drive.DriveType == DriveType.Removable)
    {
        Console.WriteLine(string.Format("({0}) {1}", drive.Name.Replace("\\",""), drive.VolumeLabel));
    }
}

I was able to convert pem to crt using this:

openssl x509 -outform der -in your-cert.pem -out your-cert.crt

Bad idea when you know the field will be in a set range- 5 to 10 character for example. I think I'd only use max if I wasn't sure what the length would be. For example a telephone number would never be more than a certain number of characters.

Can you honestly say you are that uncertain about the approximate length requirements for every field in your table?

I do get your point though- there are some fields I'd certainly consider using varchar(max).

Interestingly the MSDN docs sum it up pretty well:

Use varchar when the sizes of the column data entries vary considerably. Use varchar(max) when the sizes of the column data entries vary considerably, and the size might exceed 8,000 bytes.

There's an interesting discussion on the issue here.

Easy

import pymongo
conn = pymongo.MongoClient()
db = conn.test #test is my database
col = db.spam #Here spam is my collection
array = list(col.find())

print array

There you go

There is no use of pointers in java so far. You can create an object from the class and use different classes which are linked with each other and use the functions of every class in main class.

public static void ArrangeGrid(DataGridView Grid)
{ 
    int twidth=0;
    if (Grid.Rows.Count > 0)
    {
        twidth = (Grid.Width * Grid.Columns.Count) / 100;
        for (int i = 0; i < Grid.Columns.Count; i++)
            {
            Grid.Columns[i].Width = twidth;
            }

    }
}

If using .Net Core 3.0 or later;

Default to using the built in System.Text.Json parser implementation.

e.g.

using System.Text.Json;

var json = JsonSerializer.Serialize(aList);

alternatively, other, less mainstream options are available like Utf8Json parser and Jil: These may offer superior performance, if you really need it but, you will need to install their respective packages.

If stuck using .Net Core 2.2 or earlier;

Default to using Newtonsoft JSON.Net as your first choice JSON Parser.

e.g.

using Newtonsoft.Json;

var json = JsonConvert.SerializeObject(aList);

you may need to install the package first.

PM> Install-Package Newtonsoft.Json

For more details see and upvote the answer that is the source of this information.

For reference only, this was the original answer, many years ago;

// you need to reference System.Web.Extensions

using System.Web.Script.Serialization;

var jsonSerialiser = new JavaScriptSerializer();
var json = jsonSerialiser.Serialize(aList);

Answering my own question.

curl -X GET --basic --user username:password \
     https://www.example.com/mobile/resource

curl -X DELETE --basic --user username:password \
     https://www.example.com/mobile/resource

curl -X PUT --basic --user username:password -d 'param1_name=param1_value' \
     -d 'param2_name=param2_value' https://www.example.com/mobile/resource

POSTing a file and additional parameter

curl -X POST -F 'param_name=@/filepath/filename' \
     -F 'extra_param_name=extra_param_value' --basic --user username:password \
     https://www.example.com/mobile/resource

You can't do the second, because even if you use the remove() method on Iterator, you'll get an Exception thrown.

Personally, I would prefer the first for all Collection instances, despite the additional overheard of creating the new Collection, I find it less prone to error during edit by other developers. On some Collection implementations, the Iterator remove() is supported, on other it isn't. You can read more in the docs for Iterator.

The third alternative, is to create a new Collection, iterate over the original, and add all the members of the first Collection to the second Collection that are not up for deletion. Depending on the size of the Collection and the number of deletes, this could significantly save on memory, when compared to the first approach.

jQuery makes it easy to set any attributes for an element - just use the .attr() method:

$(document).ready(function() {
    $("input").attr({
       "max" : 10,        // substitute your own
       "min" : 2          // values (or variables) here
    });
});

The document ready handler is not required if your script block appears after the element(s) you want to manipulate.

Using a selector of "input" will set the attributes for all inputs though, so really you should have some way to identify the input in question. If you gave it an id you could say:

$("#idHere").attr(...

...or with a class:

$(".classHere").attr(...

There are several tools for converting Matlab to Python code.

The only one that's seen recent activity (last commit from June 2018) is Small Matlab to Python compiler (also developed here: SMOP@chiselapp).

Other options include:

• LiberMate: translate from Matlab to Python and SciPy (Requires Python 2, last update 4 years ago).
• OMPC: Matlab to Python (a bit outdated).

Also, for those interested in an interface between the two languages and not conversion:

• pymatlab: communicate from Python by sending data to the MATLAB workspace, operating on them with scripts and pulling back the resulting data.
• Python-Matlab wormholes: both directions of interaction supported.
• Python-Matlab bridge: use Matlab from within Python, offers matlab_magic for iPython, to execute normal matlab code from within ipython.
• PyMat: Control Matlab session from Python.
• pymat2: continuation of the seemingly abandoned PyMat.
• mlabwrap, mlabwrap-purepy: make Matlab look like Python library (based on PyMat).
• oct2py: run GNU Octave commands from within Python.
• pymex: Embeds the Python Interpreter in Matlab, also on File Exchange.
• matpy: Access MATLAB in various ways: create variables, access .mat files, direct interface to MATLAB engine (requires MATLAB be installed).
• MatPy: Python package for numerical linear algebra and plotting with a MatLab-like interface.

Btw might be helpful to look here for other migration tips:

• http://bci2000.org/downloads/BCPy2000/Migration.html

On a different note, though I'm not a fortran fan at all, for people who might find it useful there is:

• matlab2fortran

In addition to the others mentioned, one of the string constructors take a char and the number of repetitions for that char. So you can use that to append a single char.

std::string s = "hell";
s += std::string(1, 'o');

You can try this:

-ms-transform: scale(width,height); /* IE 9 */
-webkit-transform: scale(width,height); /* Safari */
transform: scale(width, height);

Example: image "grows" 1.3 times

-ms-transform: scale(1.3,1.3); /* IE 9 */
-webkit-transform: scale(1.3,1.3); /* Safari */
transform: scale(1.3,1.3);

If you just want a button to open up a new window, then something like this works:

btnOpenNewWindow.setOnAction(new EventHandler<ActionEvent>() {
    public void handle(ActionEvent event) {
        Parent root;
        try {
            root = FXMLLoader.load(getClass().getClassLoader().getResource("path/to/other/view.fxml"), resources);
            Stage stage = new Stage();
            stage.setTitle("My New Stage Title");
            stage.setScene(new Scene(root, 450, 450));
            stage.show();
            // Hide this current window (if this is what you want)
            ((Node)(event.getSource())).getScene().getWindow().hide();
        }
        catch (IOException e) {
            e.printStackTrace();
        }
    }
}

It's safe to just delete the source directory and compiled package file. Find the source directory under $GOPATH/src and the package file under $GOPATH/pkg/<architecture>, for example: $GOPATH/pkg/windows_amd64.

Controller:

return redirect()->route('subscriptions.index')->withSuccess(['Success Message here!']);

Blade

@if (session()->has('success'))
<div class="alert alert-success">
    @if(is_array(session('success')))
        <ul>
            @foreach (session('success') as $message)
                <li>{{ $message }}</li>
            @endforeach
        </ul>
    @else
        {{ session('success') }}
    @endif
</div>
@endif

You can always save this part as separate blade file and include it easily. fore example:

<div class="row">
        <div class="col-md-6">
            @include('admin.system.success')
            <div class="box box-widget">

The really quick and dirty way is to point to a local file:

<dependency>
      <groupId>sampleGroupId</groupId>  
       <artifactId>sampleArtifactId</artifactId>  
       <version>1.0</version> 
      <scope>system</scope>
      <systemPath>C:\DEV\myfunnylib\yourJar.jar</systemPath>
</dependency>

However this will only live on your machine (obviously), for sharing it usually makes sense to use a proper m2 archive (nexus/artifactory) or if you do not have any of these or don't want to set one up a local maven structured archive and configure a "repository" in your pom:

local:

<repositories>
    <repository>
        <id>my-local-repo</id>
        <url>file://C:/DEV//mymvnrepo</url>
    </repository>
</repositories>

remote:

<repositories>
    <repository>
        <id>my-remote-repo</id>
        <url>http://192.168.0.1/whatever/mavenserver/youwant/repo</url>
    </repository>
</repositories>

Guess You are running on Windows (To make @jowey's answer more straightforward).

• Install Angular normally from your bash $ npm install -g @angular/cli@latest Next is to rearrange the PATHS to
• NPM
• Nodejs
• Angular CLI

in System Environment Variables, the picture below shows the arrangement.

I found a way of resizing font size according to div size, without any JavaScript. I don't know how much efficient it's, but it nicely gets the job done.

Embed a SVG element inside the required div, and then use a foreignObject tag inside which you can use HTML elements. A sample code snippet that got my job done is given below.

<!-- The SVG element given below should be place inside required div tag -->
<svg viewBox='0 2 108.5 29' xmlns='http://www.w3.org/2000/svg'>
    <!-- The below tag allows adding HTML elements inside SVG tag -->
    <foreignObject x='5' y='0' width='93.5%' height='100%'>
        <!-- The below tag can be styled using CSS classes or style attributes -->
        <div xmlns='http://www.w3.org/1999/xhtml' style='text-overflow: ellipsis; overflow: hidden; white-space: nowrap;'>
            Required text goes here            
        </div>
    </foreignObject>
</svg>

All the viewBox, x, y, width and height values can be changed according to requirement.

Text can be defined inside the SVG element itself, but when the text overflows, ellipsis can't be added to SVG text. So, HTML element(s) are defined inside a foreignObject element, and text-overflow styles are added to that/those element(s).

Just for completeness: You can pass slice a vector of indices:

df %>% arrange(stopSequence) %>% group_by(id) %>% slice(c(1,n()))

which gives

  id stopId stopSequence
1  1      a            1
2  1      c            3
3  2      b            1
4  2      c            4
5  3      b            1
6  3      a            3

Because when you do shift() on an array, it changes the length of the array. So the for loop will be messed up. You can loop through from end to front to avoid this problem.

Btw, I assume you try to remove the element at the position i rather than the first element of the array. ($scope.items.shift(); in your code will remove the first element of the array)

for(var i = $scope.items.length - 1; i >= 0; i--){
    if($scope.items[i].name == 'ted'){
        $scope.items.splice(i,1);
    }
}

Your call to text() doesn't output anything because you inverted your x and your y:

plot(abs_losses, percent_losses, 
     main= "Absolute Losses vs. Relative Losses(in%)",
     xlab= "Losses (absolute, in miles of millions)",
     ylab= "Losses relative (in % of January´2007 value)",
     col= "blue", pch = 19, cex = 1, lty = "solid", lwd = 2)

text(abs_losses, percent_losses, labels=namebank, cex= 0.7)

Now if you want to move your labels down, left, up or right you can add argument pos= with values, respectively, 1, 2, 3 or 4. For instance, to place your labels up:

 text(abs_losses, percent_losses, labels=namebank, cex= 0.7, pos=3)

You can of course gives a vector of value to pos if you want some of the labels in other directions (for instance for Goldman_Sachs, UBS and Société_Generale since they are overlapping with other labels):

 pos_vector <- rep(3, length(namebank))
 pos_vector[namebank %in% c("Goldman_Sachs", "Societé_Generale", "UBS")] <- 4
 text(abs_losses, percent_losses, labels=namebank, cex= 0.7, pos=pos_vector)

I think the current answers are neglecting to highlight the actual important and significant differences and what that means for the intended usage. While they might both work in certain situations because the implementer built in support for both, they have different usage scenarios. Both can annotate properties and methods but here are some important differences:

DisplayAttribute

• defined in the System.ComponentModel.DataAnnotations namespace in the System.ComponentModel.DataAnnotations.dll assembly
• can be used on parameters and fields
• lets you set additional properties like Description or ShortName
• can be localized with resources

DisplayNameAttribute

• DisplayName is in the System.ComponentModel namespace in System.dll
• can be used on classes and events
• cannot be localized with resources

The assembly and namespace speaks to the intended usage and localization support is the big kicker. DisplayNameAttribute has been around since .NET 2 and seems to have been intended more for naming of developer components and properties in the legacy property grid, not so much for things visible to end users that may need localization and such.

DisplayAttribute was introduced later in .NET 4 and seems to be designed specifically for labeling members of data classes that will be end-user visible, so it is more suitable for DTOs, entities, and other things of that sort. I find it rather unfortunate that they limited it so it can't be used on classes though.

EDIT: Looks like latest .NET Core source allows DisplayAttribute to be used on classes now as well.

There are 2 easy ways

• StreamWriter - http://www.dotnetperls.com/streamwriter
• Log4Net like Log4j(Java) - http://www.codeproject.com/Articles/140911/log4net-Tutorial

In some cases as @JohnnyHK suggested, you would want to get the Object as a Plain Javascript. as described in this Mongoose Documentation there is another alternative to query the data directly as object:

const docs = await Model.find().lean();

In addition if someone might want to conditionally turn to an object,it is also possible as an option argument, see find() docs at the third parameter:

const toObject = true;
const docs = await Model.find({},null,{lean:toObject});

its available on the fonctions: find(), findOne(), findById(), findOneAndUpdate(), and findByIdAndUpdate().

Just to add my two cents to the discussion here: one could understand the UNION operator as a pure, SET-oriented UNION - e.g. set A={2,4,6,8}, set B={1,2,3,4}, A UNION B = {1,2,3,4,6,8}

When dealing with sets, you would not want numbers 2 and 4 appearing twice, as an element either is or is not in a set.

In the world of SQL, though, you might want to see all the elements from the two sets together in one "bag" {2,4,6,8,1,2,3,4}. And for this purpose T-SQL offers the operator UNION ALL.

avoiding the top and bottom margin will solve your problem

@media print {
     @page {
        margin-left: 0.5in;
        margin-right: 0.5in;
        margin-top: 0;
        margin-bottom: 0;
      }
}

This:

    print "\n"

is printing out two \n characters -- the one you tell it to, and the one that Python prints out at the end of any line which doesn't end with a , like you use in print a,. Simply use

    print

instead.

hooks can be executed when some condition is encountered. e.g. some variable changes or some action is called or some event happens. hooks can enter in the process and change things or react upon changes.

Here's a very simple use case and has nothing to do with thread safety.

To share an object between lambda invocations, the AtomicReference is an option:

public void doSomethingUsingLambdas() {

    AtomicReference<YourObject> yourObjectRef = new AtomicReference<>();

    soSomethingThatTakesALambda(() -> {
        yourObjectRef.set(youObject);
    });

    soSomethingElseThatTakesALambda(() -> {
        YourObject yourObject = yourObjectRef.get();
    });
}

I'm not saying this is good design or anything (it's just a trivial example), but if you have have the case where you need to share an object between lambda invocations, the AtomicReference is an option.

In fact you can use any object that holds a reference, even a Collection that has only one item. However, the AtomicReference is a perfect fit.

Remove the values then check (remove null check here if you want)

const x = A.filter(item => item !== undefined || item !== null).length

With Lodash

const x = _.size(_.filter(A, item => !_.isNil(item)))

My answer was different and came along with the message:

resource fork, Finder information, or similar detritus not allowed

The solution was to do with generated graphics:

Code Sign Error in macOS Sierra Xcode 8 : resource fork, Finder information, or similar detritus not allowed

In this sample in catch block i change the value of counter and it will break while block:

class TestBreak {
    public static void main(String[] a) {
        int counter = 0;

        while(counter<5) {
            try {
                counter++;
                int x = counter/0;
            }
            catch(Exception e) {
                counter = 1000;    
            }
        }
    }
}k

Here's a complete example of how it can be done. However you need flashback query privileges on the child table.

Here's the setup.

create table parent_tab
  (parent_id number primary key,
  val varchar2(20));

create table child_tab
    (child_id number primary key,
    parent_id number,
    child_val number,
     constraint child_par_fk foreign key (parent_id) references parent_tab);

insert into parent_tab values (1,'Red');
insert into parent_tab values (2,'Green');
insert into parent_tab values (3,'Blue');
insert into parent_tab values (4,'Black');
insert into parent_tab values (5,'White');

insert into child_tab values (10,1,100);
insert into child_tab values (20,3,100);
insert into child_tab values (30,3,100);
insert into child_tab values (40,4,100);
insert into child_tab values (50,5,200);

commit;

select * from parent_tab
where parent_id not in (select parent_id from child_tab);

Now delete a subset of the children (ones with parents 1,3 and 4 - but not 5).

delete from child_tab where child_val = 100;

Then get the parent_ids from the current COMMITTED state of the child_tab (ie as they were prior to your deletes) and remove those that your session has NOT deleted. That gives you the subset that have been deleted. You can then delete those out of the parent_tab

delete from parent_tab
where parent_id in
  (select parent_id from child_tab as of scn dbms_flashback.get_system_change_number
  minus
  select parent_id from child_tab);

'Green' is still there (as it didn't have an entry in the child table anyway) and 'Red' is still there (as it still has an entry in the child table)

select * from parent_tab
where parent_id not in (select parent_id from child_tab);

select * from parent_tab;

It is an exotic/unusual operation, so if i was doing it I'd probably be a bit cautious and lock both child and parent tables in exclusive mode at the start of the transaction. Also, if the child table was big it wouldn't be particularly performant so I'd opt for a PL/SQL solution like Rajesh's.

You can collect or set the content of a selected tag.

As a Pseudo idea, its similar to having many boxes within a room and imply the idea 'everything within that box'

Tensor.get_shape() from this post.

From documentation:

c = tf.constant([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]])
print(c.get_shape())
==> TensorShape([Dimension(2), Dimension(3)])

Assuming that your current primary key constraint is called pk_history, you can replace the following lines:

ALTER TABLE history ADD PRIMARY KEY (id)

ALTER TABLE history
DROP CONSTRAINT userId
DROP CONSTRAINT name

with these:

ALTER TABLE history DROP CONSTRAINT pk_history

ALTER TABLE history ADD CONSTRAINT pk_history PRIMARY KEY (id)

If you don't know what the name of the PK is, you can find it with the following query:

SELECT * 
  FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS 
 WHERE TABLE_NAME = 'history'

First extract the string like this

var dateString = str.match(/^(\d{2})\/(\d{2})\/(\d{4})$/);

Then,

var d = new Date( dateString[3], dateString[2]-1, dateString[1] );

Here's what I had to do to setup basic auth on Ubuntu 14.04 (didn't find a guide anywhere else)

Basic squid conf

/etc/squid3/squid.conf instead of the super bloated default config file

auth_param basic program /usr/lib/squid3/basic_ncsa_auth /etc/squid3/passwords
auth_param basic realm proxy
acl authenticated proxy_auth REQUIRED
http_access allow authenticated

# Choose the port you want. Below we set it to default 3128.
http_port 3128

Please note the basic_ncsa_auth program instead of the old ncsa_auth

squid 2.x

For squid 2.x you need to edit /etc/squid/squid.conf file and place:

auth_param basic program /usr/lib/squid/digest_pw_auth /etc/squid/passwords
auth_param basic realm proxy
acl authenticated proxy_auth REQUIRED
http_access allow authenticated

Setting up a user

sudo htpasswd -c /etc/squid3/passwords username_you_like

and enter a password twice for the chosen username then

sudo service squid3 restart

squid 2.x

sudo htpasswd -c /etc/squid/passwords username_you_like

and enter a password twice for the chosen username then

sudo service squid restart

htdigest vs htpasswd

For the many people that asked me: the 2 tools produce different file formats:

• htdigest stores the password in plain text.
• htpasswd stores the password hashed (various hashing algos are available)

Despite this difference in format basic_ncsa_auth will still be able to parse a password file generated with htdigest. Hence you can alternatively use:

sudo htdigest -c /etc/squid3/passwords realm_you_like username_you_like

Beware that this approach is empirical, undocumented and may not be supported by future versions of Squid.

On Ubuntu 14.04 htdigest and htpasswd are both available in the [apache2-utils][1] package.

MacOS

Similar as above applies, but file paths are different.

Install squid

brew install squid

Start squid service

brew services start squid

Squid config file is stored at /usr/local/etc/squid.conf.

Comment or remove following line:

http_access allow localnet

Then similar to linux config (but with updated paths) add this:

auth_param basic program /usr/local/Cellar/squid/4.8/libexec/basic_ncsa_auth /usr/local/etc/squid_passwords
auth_param basic realm proxy
acl authenticated proxy_auth REQUIRED
http_access allow authenticated

Note that path to basic_ncsa_auth may be different since it depends on installed version when using brew, you can verify this with ls /usr/local/Cellar/squid/. Also note that you should add the above just bellow the following section:

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

Now generate yourself a user:password basic auth credential (note: htpasswd and htdigest are also both available on MacOS)

htpasswd -c /usr/local/etc/squid_passwords username_you_like

Restart the squid service

brew services restart squid

Kotlin example:

    private val SPLASH_DELAY: Long = 1000

    internal val mRunnable: Runnable = Runnable {
        if (!isFinishing) {
            val intent = Intent(applicationContext, HomeActivity::class.java)
            startActivity(intent)
            overridePendingTransition(R.anim.slide_in, R.anim.slide_out);
            finish()
        }
    }


   private fun navigateToHomeScreen() {
        //Initialize the Handler
        mDelayHandler = Handler()

        //Navigate with delay
        mDelayHandler!!.postDelayed(mRunnable, SPLASH_DELAY)

    }

    public override fun onDestroy() {

        if (mDelayHandler != null) {
            mDelayHandler!!.removeCallbacks(mRunnable)
        }

        super.onDestroy()
    }

put animations in anim folder:

slide_in.xml

<?xml version="1.0" encoding="utf-8"?>
<translate
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:duration="@android:integer/config_longAnimTime"
        android:fromXDelta="100%p"
        android:toXDelta="0%p">
</translate>

slide_out.xml

<?xml version="1.0" encoding="utf-8"?>
<translate
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:duration="@android:integer/config_longAnimTime"
        android:fromXDelta="0%p"
        android:toXDelta="-100%p">
</translate>

USAGE

  navigateToHomeScreen();

This introduces a new paradigm to HTML/CSS, but using an <input readonly="true"> would allow you to append an input:focus selector to then alter the background-image

This of course would require applying specific CSS to the input itself to override browser defaults but it does go to show that click actions can indeed be triggered without the use of Javascript.

It's simple:

from django.http import HttpResponseRedirect

def myview(request):
    ...
    return HttpResponseRedirect("/path/")

More info in the official Django docs

Update: Django 1.0

There is apparently a better way of doing this in Django now using generic views.

Example -

from django.views.generic.simple import redirect_to

urlpatterns = patterns('',   
    (r'^one/$', redirect_to, {'url': '/another/'}),

    #etc...
)

There is more in the generic views documentation. Credit - Carles Barrobés.

Update #2: Django 1.3+

In Django 1.5 redirect_to no longer exists and has been replaced by RedirectView. Credit to Yonatan

from django.views.generic import RedirectView

urlpatterns = patterns('',
    (r'^one/$', RedirectView.as_view(url='/another/')),
)

This worked for me.

Single-clicking a row triggers the code-behind.

XAML:

<ListView x:Name="MyListView" MouseLeftButtonUp="MyListView_MouseLeftButtonUp">
    <GridView>
        <!-- Declare GridViewColumns. -->
    </GridView>
</ListView.View>

Code-behind:

private void MyListView_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
    System.Windows.Controls.ListView list = (System.Windows.Controls.ListView)sender;
    MyClass selectedObject = (MyClass)list.SelectedItem;
    // Do stuff with the selectedObject.
}

The classic “Hello World!” block contains an executable section that calls the DBMS_OUTPUT.PUT_LINE procedure to display text on the screen:

BEGIN
  DBMS_OUTPUT.put_line ('Hello World!');
END;

You can checkout it here: http://www.oracle.com/technetwork/issue-archive/2011/11-mar/o21plsql-242570.html

Compatibility Guide for JDK 8 says that in Java 8 the command line flag MaxPermSize has been removed. The reason is that the permanent generation was removed from the hotspot heap and was moved to native memory. So in order to remove this message edit MAVEN_OPTS Environment User Variable:

Java 7

MAVEN_OPTS -Xmx512m -XX:MaxPermSize=128m

Java 8

MAVEN_OPTS -Xmx512m

EDIT: from the comments:

bool palindrome(std::string const& s) 
{ 
  return std::equal(s.begin(), s.end(), s.rbegin()); 
} 

The c++ way.

My naive implementation using the elegant iterators. In reality, you would probably check and stop once your forward iterator has past the halfway mark to your string.

#include <string>
#include <iostream>

using namespace std;
bool palindrome(string foo)
{
    string::iterator front;
    string::reverse_iterator back;
    bool is_palindrome = true;
    for(front = foo.begin(), back = foo.rbegin();
        is_palindrome && front!= foo.end() && back != foo.rend();
        ++front, ++back
        )
    {
        if(*front != *back)
            is_palindrome = false;
    }
    return is_palindrome;
}
int main()
{
    string a = "hi there", b = "laval";

    cout << "String a: \"" << a << "\" is " << ((palindrome(a))? "" : "not ") << "a palindrome." <<endl;
    cout << "String b: \"" << b << "\" is " << ((palindrome(b))? "" : "not ") << "a palindrome." <<endl;

}

I don't think "have HTTPS connections over proxy servers" means the Man-in-the-Middle attack type of proxy server. I think it's asking whether one can connect to a http proxy server over TLS. And the answer is yes.

Is it possible to have HTTPS connections over proxy servers?

Yes, see my question and answer here. HTTPs proxy server only works in SwitchOmega

If yes, what kind of proxy server allows this?

The kind of proxy server deploys SSL certificates, like how ordinary websites do. But you need a pac file for the brower to configure proxy connection over SSL.

I tried the approaches given above, but these methods fail when dynamically the height of the content in one of the cols increases, it basically pushes the other cols down.

for me the basic table layout solution worked.

// Apply this to the enclosing row
.row-centered {
  text-align: center;
  display: table-row;
}
// Apply this to the cols within the row
.col-centered {
  display: table-cell;
  float: none;
  vertical-align: top;
}

This is also a possible solution

$relative = '/relative/path/to/script/';
$absolute = __DIR__. '/../' .$relative;

I've tried Komodo out a bit, and I really like it so far. Aptana, an Eclipse variant, is also rather useful for a wide variety of things. There's always good ole' VI, too!

Because this post is the top one found on stackoverflow when searching for "ORA-00942: table or view does not exist insert", I want to mention another possible cause of this error (at least in Oracle 12c): a table uses a sequence to set a default value and the user executing the insert query does not have select privilege on the sequence. This was my problem and it took me an unnecessarily long time to figure it out.

To reproduce the problem, execute the following SQL as user1:

create sequence seq_customer_id;

create table customer (
c_id number(10) default seq_customer_id.nextval primary key,
name varchar(100) not null,
surname varchar(100) not null
);

grant select, insert, update, delete on customer to user2;

Then, execute this insert statement as user2:

insert into user1.customer (name,surname) values ('michael','jackson');

The result will be "ORA-00942: table or view does not exist" even though user2 does have insert and select privileges on user1.customer table and is correctly prefixing the table with the schema owner name. To avoid the problem, you must grant select privilege on the sequence:

grant select on seq_customer_id to user2;

Screen scrapers work by processing HTML. And if they are determined to get your data there is not much you can do technically because the human eyeball processes anything. Legally it's already been pointed out you may have some recourse though and that would be my recommendation.

However, you can hide the critical part of your data by using non-HTML-based presentation logic

• Generate a Flash file for each artist/album, etc.
• Generate an image for each artist content. Maybe just an image for the artist name, etc. would be enough. Do this by rendering the text onto a JPEG/PNG file on the server and linking to that image.

Bear in mind that this would probably affect your search rankings.

• Must contain at least 1 number, 1 uppercase, 1 lowercase letter and at least 8 or more characters: https://www.w3schools.com/howto/howto_js_password_validation.asp

pattern="(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}"

[Update: Although I discovered this trick independently, I’ve since learned that Thierry Koblentz beat me to it. You can find his 2009 article on A List Apart. Credit where credit is due.]

I know this is an old question, but I encountered a similar problem that I did solve only with CSS. Here is my blog post that discusses the solution. Included in the post is a live example. Code is reposted below.

#container {
  display: inline-block;
  position: relative;
  width: 50%;
}

#dummy {
  margin-top: 75%;
  /* 4:3 aspect ratio */
}

#element {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: silver/* show me! */
}

<div id="container">
  <div id="dummy"></div>
  <div id="element">
    some text
  </div>
</div>

It should be contained in the $_SERVER['REMOTE_ADDR'] variable.

The plyr package can be used for this. With the ddply() function you can split a data frame on one or more columns and apply a function and return a data frame, then with the summarize() function you can use the columns of the splitted data frame as variables to make the new data frame/;

dat <- read.table(textConnection('Group Score Info
1     1     1    a
2     1     2    b
3     1     3    c
4     2     4    d
5     2     3    e
6     2     1    f'))

library("plyr")

ddply(dat,.(Group),summarize,
    Max = max(Score),
    Info = Info[which.max(Score)])
  Group Max Info
1     1   3    c
2     2   4    d

there are some other tables you can clear out: documented here : https://dx3webs.com/blog/house-keeping-for-your-magento-database

hope this helps Andy