Tutorial by Examples: nd

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...

@Module class AppModule(val app: Application) { @Provides @Named("the_answer") fun providesTheAnswer(): Int { return 42 } }

class MyClass{ @field:[Inject Named("the_answer")] lateinit var answer: Int } In Android Development, this is the way in which you inject dependencies into Activity, Fragment or any other object that is instantiated directly by the OS. To learn more about the @field: annotation i...

class MyClass @Inject constructor(@Named val answer: Int){ /* The nuts and bolts of your class */ }

If you call plt.legend() or ax.legend() more than once, the first legend is removed and a new one is drawn. According the official documentation: This has been done so that it is possible to call legend() repeatedly to update the legend to the latest handles on the Axes Fear not, though: It ...

<!-- : Comment This works with both batch script and WSF. The closing tag(-->), only works in WSF. CodeSucessful in both batch and WSF?<!--: CommentTrue<!--: Comment -->False - The closing tag only works for WSF-->False

Once you have node.js installed on your system, you can just follow the procedure below to get a basic web server running with support for both HTTP and HTTPS! Step 1 : Build a Certificate Authority create the folder where you want to store your key & certificate : mkdir conf ...

Let's create a map and a closure to print hello def exMap = [:] def exClosure = { println "Hello" } Assign closure to a property in map exMap.closureProp = exClosure Calling closure exMap.closureProp.call() Output Hello Another Example - Lets create a class with ba...

summary {% extends %}: this declares the template given as an argument as the current template's parent. Usage: {% extends 'parent_template.html' %}. {% block %}{% endblock %}: This is used to define sections in your templates, so that if another template extends this one, it'll be able to...

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...

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(...

Theme: A theme is required for material components to work properly within the application. Angular Material 2 provides four prebuilt themes: deeppurple-amber indigo-pink pink-bluegrey purple-green If you are using Angular CLI, you can import one of the prebuilt themes in style.css. @i...

Let's assume we have a Dogs application, then our model will be a Dog class. DatabaseReference reference = FirebaseDatabase.getInstance().getReference().child("dogs"); This is how to send a Dog to the database, a new unique dog and set the dog with the key. String key = reference.push...

Using the dynamic variable %Random%, we can get a random integer from 0 to 32767. For example: echo %random% This obviously, returns an integer from 0 to 32767. But sometimes we want it to be in a specific range, say from 1 to 100. Generating Random Numbers Within Specific Range The basic me...

Unfortunately, batch does not have a built-in method to generate alphabets, but using %random% and for loop, we can 'generate' alphabets. This is a simple idea of how this works. set /a result=(%random%*26/32768)+1 for /f "tokens=%result%" %%I in ("A B C D E F G H I J K L M N O P...