bhaveshdaswani93

var mediaJSON = { "categories" : [ { "name" : "Movies",
        "videos" : [ 
		    { "description" : "Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps... and the rabbit ain't no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.\n\nLicensed under the Creative Commons Attribution license\nhttp://www.bigbuckbunny.org",
              "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4" ],
              "subtitle" : "By Blender Foundation",
              "thumb" : "images/BigBuckBunny.jpg",
              "title" : "Big Buck Bunny"
            },
            { "description" : "The first Blender Open Movie from 2006",
              "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4" ],

bhaveshdaswani93

#301 Redirects for .htaccess

#Redirect a single page:
Redirect 301 /pagename.php http://www.domain.com/pagename.html

#Redirect an entire site:
Redirect 301 / http://www.domain.com/

#Redirect an entire site to a sub folder
Redirect 301 / http://www.domain.com/subfolder/

bhaveshdaswani93

function logClass(target: any) {
 
  // save a reference to the original constructor
  var original = target;
 
  // a utility function to generate instances of a class
  function construct(constructor, args) {
    var c : any = function () {
      return constructor.apply(this, args);
    }

bhaveshdaswani93

// we have to represent human relation in oop style

class Human {
  constructor(firstName,lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
  }
  sleepNow() {
    console.log(`${this.firstName} ${this.lastName} is sleeping`)
  }

bhaveshdaswani93

const addNumber = (num1,num2) => num1+num2
const getAbsoulte = (num) => Math.abs(num)

// addNumber has arity of two
// getAbsoulte has arity of one

bhaveshdaswani93

// Our task is to multiply a number  with 3 and take absolute of that number
const multiplyWith3  = (x)=>x*3;
const getAbsouleOfNum = (x)=>Math.abs(x)
// here we have two component multiplyWith3 and getAbsouleOfNum 
// if we want to do that without compose we will do like these
let x = 15;
let xAfterMultiply = multiplyWith3(x);
let xAfterAbsoulte = getAbsouleOfNum(xAfterMultiply);

//Let's do in composable way

bhaveshdaswani93

const notMemoized = (x) => {
  return x*2;
}

notMemoized(2); // 4
notMemoized(2); // 4
// every time we run the function the multiplication code get executed which can be optimized by memoization

const memoizedFn = () => {
  const cache = {};

bhaveshdaswani93

const multiply = (a,b,c) =>a*b*c;

//Partial Application
const partiallyMultiplyBy5 = multiply.bind(null,5);
partiallyMultiplyBy5(4,10) //200
// in above example  partiallyMultiplyBy5 partially apply multiply function with 5 as first argument.
// when executing the partiallyMultiplyBy5 function we just have to pass remaining paramater as the first argument 5 has been remember
// due to closure.

bhaveshdaswani93

const multiply = (a,b) => a*b;
multiply(4,6) // 24
//above is the function that take multiple argument let convert into curring
const curring = (a)=>(b)=>a*b;
curring(5)(4); // 20

// we have converted multiply function that take 2 param 
// into two function that takes one parameter at a time

bhaveshdaswani93

const hocFn = function() {
  return function() {
    return 5;
  }
}
hocFn() // will return function
hocFn()() // will return 5
// hocFn return function so it is HOC

const fn = function(x) {