Tutorial by Examples: di

add_action( 'init', function() { // do something here } ); Using a function block to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components.

public void doSomething() { DialogTestBinding binding = DataBindingUtil .inflate(LayoutInflater.from(context), R.layout.dialog_test, null, false); Dialog dialog = new Dialog(context); dialog.setContentView(binding.getRoot()); dialog.show(); }

Pulls the code from a certain specified file into another file where the call was made. E.g. inside example.php <h1>Hello World!</h1> Inside page.php // header code get_template_part('example'); // rest of page code Output: // header code <h1>Hello World</h1> /...

Professionally made web applications don't expose the internal details of the server environment to the user. When you place an order at your retailer, you don't see (or have to type) https://mydealer.com:8443/Dealerapp/entryPage.html, but just mydealer.com, although the app server needs all the det...

Rewrite Class File: Namespace/ModuleName/etc/di.xml <?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd"> <preference for="Ma...

This program will draw some shapes on the display, draw "hello world!" in the middle of the screen and let an image go to every corner of the window. You can use every image you want, but you will need to place the image file in the same directory as your program. the entire code: import...

Get image from file lib.myImage = IMAGE lib.myImage.file = fileadmin/My-Image.png lib.myImage.file.width = 100 lib.myImage.file.height = 100 Get image from page properties lib.pageImage = IMAGE lib.pageImage { file.import.data = levelmedia: -1, "slide" file.impor...

class My_Plugin() { function __construct() { add_action( 'wp_enqueue_scripts', array( $this, 'init_fe_assets' ) ); } public function init_fe_assests() { wp_enqueue_style( 'my-plugin', plugin_dir_url( __FILE__ ) . 'assets/css/frontend/plugin.css', array(), '0.0.1', true ); ...

When using instances of QML files by directly declaring them, every property creates a binding. This is explained in the above examples. This is how you dynamically create components: var component = Qt.createComponent("Popup.qml"); var popup = component.createObject(parent, {"widt...

Lets start with creating our first app Open visual studio and > create new project Enter Name and Location Enter your developer site url created in previous step and select Provider-hosted Popup will open which will as for login Next step it will as for type of applicatio...

Here I'm taking the example of a basic news app Open the SharePoint developer site and create a list to store our news articles Create a custom list and Add 3 more columns Body, Summery, ThumbnailImageUrl Go back to our SharePoint app, Open AppManifest.xml file, click on permission...

Middleware functions are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle. Middleware functions can execute any code, make changes to res and req objects, end response cycle and call next ...

using System.Diagnostics.Contracts; public int DivideNumbers(int numerator, int denominator) { Contract.Requires(denominator != 0); return numerator / denominator; }

using System.Diagnostics.Contracts; public int DivideNumbers(int numerator, int denominator) { Contract.Requires<ArgumentOutOfRangeException>(denominator != 0); return numerator / denominator; }

import play.libs.Json; // (...) Loading a file from your public folder // Note: "app" is an play.Application instance JsonNode node = Json.parse(app.resourceAsStream("public/myjson.json")); Load from a string String myStr = "{\"name\": \"John Doe\&qu...

Large scale applications often need different properties when running on different environments. we can achieve this by passing arguments to NodeJs application and using same argument in node process to load specific environment property file. Suppose we have two property files for different enviro...

By default Sitecore adds all versions of the item to the sitecore_master_index. The drawback of that is that if users are using workflows and adding lots of versions all of them will be added to the search results in the content editor. Configuration: <event name="item:versionAdded" &...

When reading a potentially large file, a while loop has a significant memory advantage over foreach. The following will read the file record by record (by default, "record" means "a line", as specified by $/), assigning each one to $_ as it is read: while(<$fh>) { pri...

Cusom bindings should be registered by extending the current knockout bindingHandlers object.This is done by adding a new property to the object. ko.bindingHandlers.newBinding = { init: function(element, valueAccessor, allBindings, viewModel, bindingContext) { }, update: function(e...

After succesfully setup Spring-Boot application all the configuration is handled in an application.properties file. You will find the file at src/main/resources/. Normally there is a need to have a database behind the application. For development its good to have a setup of dev and a prod environme...