Tutorial by Examples: t

var WebSocketServer = require('ws').Server , wss = new WebSocketServer({ port: 8080 }); // If you want to add a path as well, use path: "PathName" wss.on('connection', function connection(ws) { ws.on('message', function incoming(message) { console.log('received: %s', message); ...

add_filter('comment_text','before_comment'); add_filter('comment_text','after_comment'); function before_comment($comment_text){ return 'input before comment'.$comment_text; } function after_comment($comment_text){ return $comment_text.'input after comment'; ...

add_action('wp_head','hook_javascript'); function hook_javascript() { $output="<script> alert('Page is loading...'); </script>"; echo $output; }

invoke("", somePrivateMethodName, {argument1='one'});

app.use() and middleware can be used for "before" and a combination of the close and finish events can be used for "after". app.use(function (req, res, next) { function afterResponse() { res.removeListener('finish', afterResponse); res.removeListener('clos...

Unlike some other Bootstrap components like Buttons, the Alerts do not come with a default or primary styling, because they are meant to alert the user in a specific way. <div class="alert alert-success" role="alert"> Some action was completed successfully </div&g...

When required you can tell Docker to execute additional commands on an already running container using the exec command. You need the container's ID which you can get with docker ps. docker exec 294fbc4c24b3 echo "Hello World" You can attach an interactive shell if you use the -it option...

esc_html should be used anytime we're outputting data inside HTML code. <h4><?php echo esc_html( $title ); ?></h4>

esc_js() is intended to be used for inline JS, inside a tag attribute. For data inside a <script> tag use wp_json_encode(). <input type="text" onfocus="if( this.value == '<?php echo esc_js( $fields['input_text'] ); ?>' ) { this.value = ''; }" name="name&quot...

<input type="text" value="<?php echo esc_attr($_POST['username']); ?>" />

<textarea><?php echo esc_textarea( $text ); ?></textarea>

String base64="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; void setup() { Serial.begin(9600); // Turn the serial protocol ON Serial.println("Start Typing"); } void loop() { if (Serial.available() > 0) { // Check if data has bee...

One of the most important things to learn when you are making a WordPress theme is the WordPress Template hierarchy for themes. The template hierarchy defines what template file that will be loaded for each request and in what order. If the first template does not exist in the hierarchy WordPress wi...

1. Include the font in your Xcode project. 2. Make sure that they are included in the Target Membership column Click on the font from the navigator, and check if the font included. 3. Check if the font included as Resource in your bundle click on your Xcode project file, select "Build P...

After you obtained BluetoothDevice, you can communicate with it. This kind of communication performed by using socket input\output streams: Those are the basic steps for Bluetooth communication establishment: 1) Initialize socket: private BluetoothSocket _socket; //... public InitializeSock...

Install symfony correctly as guided above. Start symfony server if you are not installed in www directory. Ensure http://localhost:8000 is working if symfony server is used. Now it is ready to play with simplest example. Add following code in a new file /src/AppBundle/Controller/MyController.p...

You can create a new cron entry by simply typing crontab -e on the command line. If it's the first time you want to edit your crontab(le), you will be prompted with an editor selection: no crontab for <user> - using an empty one Select an editor. To change later, run 'select-editor'. ...

Create a sample application using spring-boot from spring-boot initializer site. Import the code in your local IDE and run the goal as clean install spring-boot:run -e Go to target folder and check for the jar file. Open your Amazon account or create a new Amazon Account and selec...

We have a set of data We would like to see by using the following expression in the detail textbox. we can achieve the Remark =IIF(Fields!Points.Value>=10,"Good","Average")

Using the Swift class Mirror works if you want to extract name, value and type (Swift 3: type(of: value), Swift 2: value.dynamicType) of properties for an instance of a certain class. If you class inherits from NSObject, you can use the method class_copyPropertyList together with property_getAttrib...