anubhavsrivastava

function add(x){
    return function (y){
        return x+y;
    }
}


//ES6 version using arrow functions
const add = x=> y=>x+y;

anubhavsrivastava

function add(x){
  let sum = x;
  function resultFn(y){
   sum +=y;
   return resultFn;
  }
  resultFn.valueOf = function(){ return sum }; 
  return resultFn;
}

anubhavsrivastava

function add(x){
  let sum = x;
  return function resultFn(y){
    if(arguments.length){ //not relying on falsy value
      sum += y;
      return resultFn;
    }
    return sum;
  }
}

anubhavsrivastava

function add(){
   let args = [].slice.apply(arguments);
   function resultFn(){
      args = args.concat([].slice.apply(arguments));
      
      if(args.length>=3){
        return args.slice(0,3).reduce(function(acc,next){ return acc+next},0)
      }
      
      return resultFn

anubhavsrivastava

#!/usr/bin/env bash

set -e

usage() {
  echo "$0 <tag> <repo>" >&2;
}

if [ "$1" = "-h" -o "$1" = "--help" ]; then
  usage

anubhavsrivastava

#!/usr/bin/env bash

set -e

usage() {
  echo "$0 <repo> <tag> [<release name>]" >&2;
}

if [ "$1" = "-h" -o "$1" = "--help" ]; then
  usage

anubhavsrivastava

var value = 0; //window.value
Object.defineProperty(window, 'a', {
    get: function() {
        return this.value += 1;
    }
});

console.log(a===1 && a===2 && a===3) //true

anubhavsrivastava

const a = { value : 0 };
a.valueOf = function() {
    return this.value += 1;
};

console.log(a==1 && a==2 && a==3); //true

anubhavsrivastava

  open -a Google\ Chrome\ Canary --args --disable-web-security
on its own does not work anymore. You need to use it with --user-data-dir:

open -a Google\ Chrome\ Canary --args --disable-web-security --user-data-dir=$HOME/profile-folder-name
http://stackoverflow.com/a/34680023/368691

anubhavsrivastava

function add(x){
  let sum = x;
  return function resultFn(y){
   sum +=y;
   resultFn.result = sum;
   return resultFn;
  }
}