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RxJS Exam Notes

1. Introduction to Reactive Programming and Observables

1.1 Basics of Reactive Programming

• Reactive programming is a programming paradigm that focuses on data streams and the propagation of changes.

1.2 What is RxJS?

• RxJS is a library for reactive programming using Observables, to make it easier to compose asynchronous or callback-based code.

1.3 Core Concepts: Observables, Observers, and Subscriptions

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Webpack POC recipie

Installation

• Install nodejs. Choose the package labeled Recommended for Most Users
• Create a folder for this project and open a command prompt there.
• Create a local package.json file by running npm init
  • Choose all the default options.
  • You should have the package.json file afterward
• Install webpack globaly by running npm install webpack -g
• Install webpack localy by running npm install webpack -S

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Installation

• Run yeoman command yo angular:directive apsUploadFile
• Create the html template file app\views\directives\apsuploadfile.html

<input id="apsFileInput" type="file" class="ng-hide">

<md-button id="apsUploadButton" class="md-raised md-primary" aria-label="attach_file">
  Choose file

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Given a controller that uses the $location service

'use strict';

/**
 * @ngdoc function
 * @name categoryManagerApp.controller:CategoryCtrl
 * @description
 * # CategoryCtrl
 * Controller of the categoryManagerApp

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• Install angular-bootstrap via bower bower install angular-bootstrap --save
• In app/scripts/app.js add ui.bootstrap as a dependency

angular
  .module('categoryManagerApp', [
    'ngAnimate',
    'ngCookies',
    'ngResource',
    'ngRoute',
    'ngSanitize',

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Basic directive

• Run generator command yo angular:directive myDirective.
• Run gulp test to ensure tests pass.

Refactor to handle passed-in objects

Given you want to pass in the following object {realName:'Steve Rogers', alias:'Captain America'}

• Add scope property to the app/scripts/directives/mydirective.js file.

'use strict';

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[{'00601':{'lat':18.180555,'lng':-66.749961},
'00602':{'lat':18.361945,'lng':-67.175597},
'00603':{'lat':18.455183,'lng':-67.119887},
'00606':{'lat':18.158345,'lng':-66.932911},
'00610':{'lat':18.295366,'lng':-67.125135},
'00612':{'lat':18.402253,'lng':-66.711397},
'00616':{'lat':18.420412,'lng':-66.671979},
'00617':{'lat':18.445147,'lng':-66.559696},
'00622':{'lat':17.991245,'lng':-67.153993},
'00623':{'lat':18.083361,'lng':-67.153897},

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example.rb

system("C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe", 'www.twitter.com')

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Open the command line and run the following commands:

• curl -o c:\cacert.pem http://curl.haxx.se/ca/cacert.pem
• set SSL_CERT_FILE=c:\cacert.pem

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// in App_Start/FilterConfig.cs
using System.Web;
using System.Web.Mvc;
using OdeToFood.Filters;

namespace OdeToFood
{
    public class FilterConfig
    {
        public static void RegisterGlobalFilters(GlobalFilterCollection filters)