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export class Coordinates {
    latitude: string | number;
    longitude: string | number;
    accuracy?: number;

    constructor(that?: Coordinates) {
        if (that) {
            this.latitude = +that.latitude;
            this.longitude = +that.longitude;
            this.accuracy = +that.accuracy;

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Introduction to Angular

Angular (aka Angular 2) is a new framework completely rewritten from the ground up, replacing the famous AngularJS framework (aka Angular 1.x).

More that just a framework, Angular should now be considered as a whole platform which comes with a complete set of tools, like its own CLI, debug utilities or performance tools.

Getting started

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# https://vt4help.service-now.com/kb_view_customer.do?sysparm_article=KB0010740#linux

wget https://secure.nis.vt.edu/resources/downloads/pulse-8.2R5.i386.deb
sudo dpkg –i pulse-8.2R5.i386.deb
/usr/local/pulse/PulseClient.sh install_dependency_packages

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If you use Cygwin and SSH and you are frustrated because you lose server connection after some time, then this could help you:
    create the file cygwin/etc/ssh_config
    place the following text:
    
KeepAlive yes
ServerAliveInterval 60
    	
    restart cygwin shell

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pragma solidity ^0.4.0;
contract MyCoins {
    
    mapping(address => uint) balances;

    function MyCoins(address owner) public {
        balances[owner] = 1000000;
    }

    function tranferCoins(address sender, address receiver, uint amount) public {

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sqoop list-databases \
  --connect jdbc:mysql://ms.itversity.com:3306 \
  --username retail_user \
  --password itversity

sqoop list-tables \
  --connect jdbc:mysql://ms.itversity.com:3306/retail_db \
  --username retail_user \
  --password itversity

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import { Directive, Input, HostListener, Renderer, ElementRef } from '@angular/core';


@Directive({ selector: '[hoverClass]' })
export class HoverClassDirective {
  @Input()
  hoverClass: string;

  constructor(
    public elementRef: ElementRef,

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public myForm: FormGroup

constructor(private formBuilder: FormBuilder) { }

ngOnInit() {
    this.myForm = this.formBuilder.group({
        enabledControl: ['hello'],
        disabledControl: [{
            value: 'world',
            disabled: true

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Setting up Babel and nodemon

Inital set-up

Set up project:

mkdir project
cd project
npm init -y

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{
    "4.7.0": [
        "fa-500px",
        "fa-address-book",
        "fa-address-book-o",
        "fa-address-card",
        "fa-address-card-o",
        "fa-adjust",
        "fa-adn",
        "fa-align-center",