kevjose

Intro to containers

• to the core containers are few features of linux kernel duct taped together to acheive isolation.

Need for containers

Bare metals

• to run a web server or a service, had to own or rent out physical server
• no abstraction, tedious to set up and running

kevjose

worker_processes  auto;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

kevjose

Array.prototype.swap = function(i, j){
  var temp = this[i];
  this[i] = this[j];
  this[j] = temp;
}

Array.prototype.bubbleSort = function(){
  var swapped;
	do{
	  swapped = false;

kevjose

function CreateEventBus () {
  this._listeners = {} // to store the events key being the event name and value being the function to be called
}

CreateEventBus.prototype = {
  constructor: CreateEventBus,
  on: function(type, listener) {
    if(this._listeners[type] === undefined){
      this._listeners[type] = []; // to handle multiple funcitons on the same event
    }

kevjose

getCurrentFiscalYear(y) {
    //get current date
    var today = new Date(y);

    //get current month
    var curMonth = today.getMonth();

    var fiscalYr = "";
    if (curMonth > 3) { //
        var nextYr1 = (today.getFullYear() + 1).toString();

kevjose

function MyConstructor(data, transport) {
    this.data = data;
    transport.on('data', function () {
        alert(this.data);
    });
}

// Mock transport object
var transport = {
    on: function(event, callback) {

kevjose

var user = {
  place:'India',
  data:[
    {name:'John', age:20},
    {name:'Jane', age:18}
  ],
  clickHandler: function(){
    var usr = this;
    this.data.forEach(d){
      console.log(d.name, usr.place);

kevjose

var user = {
  place:'India',
  data:[
    {name:'John', age:20},
    {name:'Jane', age:18}
  ],
  clickHandler: function(){
    this.data.forEach(d){
      console.log(d.name, this.place);
    }

kevjose

var data = {
  name:'John',
  age: 20
}
var user = {
  data: {
    name:'Jane',
    age: 18
  },
  showData = function(){

kevjose

var ControllerA = {
  scores  :[1, 2, 3, 4],
  avgScore:null
}
var ControllerB = {
  scores  :[5, 6, 7, 8, 9],
  avgScore:null,
  avg:function () {
    var sumOfScores = this.scores.reduce (function (prev, cur, index, array) {
    return prev + cur;