Tutorial by Examples: p

# A line used mostly as the first one, imports App class # that is used to get a window and launch the application from kivy.app import App # Casual Kivy widgets that reside in kivy.uix from kivy.uix.label import Label from kivy.uix.button import Button from kivy.uix.boxlayout import BoxLayo...

Twitter Bootstrap supports icons called glyphicons and they can be used with all tags of HTML. All icons require a base class and individual icon class. Keep in mind that icon classes cannot be directly combined with other components, so always use inner <span></span> tag. If your HTM...

Let's take a look at a quick example of using REST framework to build a simple model-backed API. We'll create a read-write API for accessing information on the users of our project. Any global settings for a REST framework API are kept in a single configuration dictionary named REST_FRAMEWORK. Sta...

We have a table that includes of countries so we create a model that called countrylist model <?php namespace app\models; use Yii; /** * This is the model class for table "countrylist". * * @property integer $id * @property string $iso * @property string $name * @p...

Put the following code in functions.php: function themify_custom_excerpt_length( $length ) { return 50; } add_filter( 'excerpt_length', 'themify_custom_excerpt_length', 999 ); Use 999 as the priority to ensure that the function runs after the default WordPress filter, otherwise it would ov...

To do this, put the following code in functions.php: function custom_excerpt_more($more) { return '<a href="'. get_permalink($post->ID) . '">Read More</a>'; } add_filter('excerpt_more', 'custom_excerpt_more'); The results should look like this:

In our functions.php function new_excerpt_more( $more ) { return '.....'; } add_filter('excerpt_more', 'new_excerpt_more'); We should get this:

Open a new command line or terminal window and create a clean folder for testing. Protractor needs two files to run, a spec file and a configuration file. Let's start with a simple test that navigates to the todo list example in the AngularJS website and adds a new todo item to the list. Copy the...

TestNG allows defining groups which can include other groups. MetaGroups logically combine one or more group(s) and control the execution of the @Testmethods belonging to those groups. In below example there are various @Test methods belonging to different group(s). Few are specific to particular s...

Create a new browser bookmark, for example, in Chrome click the star icon at the right in the address bar, make sure the Folder is Bookmarks Bar, and then click the Edit... button: In the edit box that opens paste the following code as the URL: javascript:(function(){var root=(window.location.pa...

If you were to hide a link by setting display: none in the CSS then screen readers wouldn’t find it. Instead, we position it absolutely, with clipping. CSS .offscreen { position: absolute; clip: rect(1px 1px 1px 1px); /* for Internet Explorer */ clip: rect(1px, 1px, 1px, 1px); padding: 0; b...

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); ...

Spinner It is a type of dropdown input. Firstly in layout <Spinner android:id="@+id/spinner" <!-- id to refer this spinner from JAVA--> android:layout_width="match_parent" android:layout_height="wrap_content"> </Spinner> ...

Using composer, execute the following command in the directory in which the application will be installed: composer create-project zendframework/zend-expressive-skeleton expressive-skeleton. During installation process, you will be asked to make various decisions. For the default installation qu...

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

Assuming that you have node and npm installed and available, create a project folder with a valid package.json. Install the necessary dependencies: npm install --save-dev metalsmith metalsmith-in-place handlebars Create a file called build.js at the root of your project folder, containing the fo...

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...

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

<a href="<?php echo esc_url( home_url( '/' ) ); ?>">Home</a> <img src="<?php echo esc_url( $user_picture_url ); ?>" />

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...