Tutorial by Examples: f

File Commands File.NewProject : CTRL + SHIFT + N Displays the New Project dialog box. File.OpenProject: CTRL + SHIFT + O Displays the Open Project dialog box, where existing projects can be added to the solution. Project.AddClass: SHIFT + ALT + C Displays the Add N...

To load a class we first need to define it. The class is defined by the ClassLoader. There's just one problem, Oracle didn't write the ClassLoader's code with this feature available. To define the class we will need to access a method named defineClass() which is a private method of the ClassLoader....

Use LocalDate and ChronoUnit: LocalDate d1 = LocalDate.of(2017, 5, 1); LocalDate d2 = LocalDate.of(2017, 5, 18); now, since the method between of the ChronoUnit enumerator takes 2 Temporals as parameters so you can pass without a problem the LocalDate instances long days = ChronoUnit.DAYS.betw...

Hooks are defined in application/config/hooks.php file. Each hook is specified as an array with this prototype: $hook['pre_controller'] = array( 'class' => 'MyClass', 'function' => 'Myfunction', 'filename' => 'Myclass.php', 'filepath' => 'hooks', 'p...

Excel specifications and limits (Excel 2016-2013, Excel 2010, Excel 2007)

This example will be how to install from master and will be using @angular/cli as well. Make a new project with @angular/cli: ng new my-master-app If you haven't installed @angular/cli, use this command: npm install -g @angular/cli Install from master: npm install --save @angular/a...

service.ts: import { Injectable } from '@angular/core'; @Injectable() export class AppState { public mylist = []; } parent.component.ts: import {Component} from '@angular/core'; import { AppState } from './shared.service'; @Component({ selector: 'parent-example', templ...

parent.component.ts: import {Component} from '@angular/core'; @Component({ selector: 'parent-example', templateUrl: 'parent.component.html', }) export class ParentComponent { mylistFromParent = []; add() { this.mylistFromParent.push({"itemName":"Something&...

event-emitter.component.ts import { Component, OnInit, EventEmitter, Output } from '@angular/core'; @Component({ selector: 'event-emitting-child-component', template: `<div *ngFor="let item of data"> <div (click)="select(item)"> ...

shared.service.ts: import { Injectable } from '@angular/core'; import { Headers, Http } from '@angular/http'; import 'rxjs/add/operator/toPromise'; import { Observable } from 'rxjs/Observable'; import { Observable } from 'rxjs/Rx'; import {Subject} from 'rxjs/Subject'; @Injectable(...

If you have your data with each month of data arranged in rows like so: start by creating quarterly sums in the adjacent columns, D & E in our example. Start with the third row in the new column or the first quarter you want to create, in this example we'll use March 31st (2000-03-31). Use t...

Here is how to create your own singleton class for toast messages, If your application need to show success, warning and the danger messages for different use cases you can use this class after you have modified it to your own specifications. public class ToastGenerate { private stati...

The below example uses Android.Runtime.InputStreamInvoker and Android.Runtime.OutputStreamInvoker types obtain Java.IO.InputStream and Java.IO.OutputStream. Once we have a Java.IO.InputStream instance, we can use its .Available() method to get the number of available response bytes which we can use...

To send a file and form data in single request, content should have multipart/form-data type. using System; using System.Collections.Generic; using System.IO; using System.Net; using System.Threading.Tasks; public async Task<string> UploadFile(string url, string filename, Diction...

Use the following flowchart to choose the right Collection for the job. This flowchart was based off [http://i.stack.imgur.com/aSDsG.png).

Choosing which C++ Container to use can be tricky, so here's a simple flowchart to help decide which Container is right for the job. This flowchart was based on Mikael Persson's post. This little graphic in the flowchart is from Megan Hopkins

Defined within Another Class C++ Nested Class[ref] (needs a reference to enclosing class) class Outer { class Inner { public: Inner(Outer* o) :outer(o) {} private: Outer* outer; }; }; Java [non-static] Nested Class (aka Inner Class or Member Class...

Many argue that Java is ONLY pass-by-value, but it's more nuanced than that. Compare the following C++ and Java examples to see the many flavors of pass-by-value (aka copy) and pass-by-reference (aka alias). C++ Example (complete code) // passes a COPY of the object static void passByCopy(Pa...

data.service.ts: import { Injectable } from '@angular/core'; import { Http } from '@angular/http'; import 'rxjs/add/operator/map'; @Injectable() export class DataService { constructor(private http: Http) { } fetchData(){ return this.http.get('https://dinstruct-d4b62.firebaseio....