Tutorial by Examples: od

ViewModelBase extends ObservableObject and adds some methods useful for viewmodels. The property IsInDesignMode or IsInDesignModeStatic allows to determine if the code is executed in the design mode (in Visual Studio Design View) or not. The two properties are exactly the same.

Here i will show you how to fetch All parent(configuarble products) A parent product and all of its children.

We will start by making a simple class that gets all our parent(Configurable products) <?php namespace Test\Test\Controller\Test; use Magento\Framework\App\Action\Context; class Products extends \Magento\Framework\App\Action\Action { public function __construct( \...

Here we first fetch our parent product and the we will get all children products that this parent have. <?php namespace Test\Test\Controller\Test; use Magento\Framework\App\Action\Context; class Products extends \Magento\Framework\App\Action\Action { public function __cons...

var assert = require('assert'); describe('String', function() { describe('#split', function() { it('should return an array', function() { assert(Array.isArray('a,b,c'.split(','))) }); }); });

Spaghetti code means a code snippet that uses many, and often confusing structures. Such as GOTOs, exceptions and inconsistent code. Examples and Solutions Example A @echo off set /a counter=0 :Loop set /a counter=%counter% + 1 echo %counter% if %counter% equ 10 goto :exit goto :Loop ...

Let's try to look at the differences between client and cluster mode of Spark. Client: When running Spark in the client mode, the SparkContext and Driver program run external to the cluster; for example, from your laptop. Local mode is only for the case when you do not want to use a cluster and in...

The Take Method Takes elements up to a specified position starting from the first element in a sequence. Signature of Take: Public static IEnumerable<TSource> Take<TSource>(this IEnumerable<TSource> source,int count); Example: int[] numbers = { 1, 5, 8, 4, 9, 3, 6, 7, 2, 0 };...

Skips elements up to a specified position starting from the first element in a sequence. Signature of Skip: Public static IEnumerable Skip(this IEnumerable source,int count); Example int[] numbers = { 1, 5, 8, 4, 9, 3, 6, 7, 2, 0 }; var SkipFirstFiveElement = numbers.Take(5); Output: The ...

The Rule An e-commerce have a shipping rule based on zipcodes. All shipping to California is eligible to free shipping. All other west cost are US$ 10.00 and The rest of USA is US$ 20.00 How to apply technique We all know there are lots of zipcodes by state, and we are not going to use them all. ...

LibGDX is designed in a way that you can write the same code and deploy it on several different platforms. Yet, there are times when you want to get access to platform specific code. For an instance, if you have leaderboards and achievements in your game, you may want to use platform-specific tools ...

You can also easily wrap all angular modules, which you are going to use, into one module: import { NgModule } from '@angular/core'; import { MdButtonModule, MdSnackBarModule, MdSidenavModule } from '@angular/material'; @NgModule({ imports: [ BrowserAnimationsModule, MdB...

WebDriver, The main interface to use for testing, which represents an idealised web browser. The methods in this class fall into three categories: Control of the browser itself Selection of WebElements Debugging aids Key methods are get(String), which is used to load a new web page, and the ...

A module is a class with the @NgModule decorator. To create a module we add @NgModule passing some parameters: bootstrap: The component that will be the root of your application. This configuration is only present on your root module declarations: Resources the module declares. When you add a ne...

Modules can be nested by using the imports parameter of @NgModule decorator. We can create a core.module in our application that will contain generic things, like a ReservePipe (a pipe that reverse a string) and bundle those in this module: import { CommonModule } from '@angular/common'; import {...

The model view controller is a very common design pattern that has been around for quite some time. This pattern focuses on reducing spaghetti code by separating classes into functional parts. Recently I have been experimenting with this design pattern in Unity and would like to lay out a basic exam...

The MyFrame class the extends JFrame and also contains the main method import javax.swing.JFrame; public class MyFrame extends JFrame{ //main method called on startup public static void main(String[] args) throws InterruptedException { //creates a frame window ...

explode(): Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by the string delimiter. This function is pretty much straight forward. $url = "http://example.com/project/controller/action/param1/param2"; $parts = explode(...

Abstract Method declared without an implementation C++ pure virtual method virtual void eat(void) = 0; Java abstract method abstract void draw(); Abstract Class cannot be instantiated C++ cannot be instantiated; has at least 1 pure virtual method class AB {public: virtual void f() = ...

Add a new Swift file to your Xcode project. Name it as you please and you should get an alert box asking if you would like to create a bridging header. Note: If you don’t receive a prompt to add a bridging header, you probably declined this message once before and you will have to add the header m...