pmahmud

    const nestedArray = [
        1, 2, 3, 2,
        [23, 4, 5, 2, [2, 4, 5, 6, 5, 123, 3, [-2, 4, -4]]]
    ];

    const flatten = (nestedArray) => {
        const stack = [...nestedArray];
        const result = [];
        while(stack.length) {
            const nextElement = stack.pop();

pmahmud

multiline comment: /\\*.*?\\*/

pmahmud

###Useful MongoDB commands

• MongoDB Reference
• get the mongo shell command

> mongo

• show all the available databases

> show dbs

pmahmud

##Creating object with literals

var car = {};

car.color = 'blue';
car['model'] = 'bmw';

car['build year'] = 2000;

Object.defineProperty(car, 'registrationNumber',{

pmahmud

Useful git commands for github

Official Cheat Sheets from GitHub Gihub Cheatsheets

Add your user name and email

> git config --global user.name "Pallab Mahmud"
> git config --global user.email "pmahmud@uoregon.edu"

pmahmud

Handling errors in node

** Copied from http://stackoverflow.com/questions/7310521/node-js-best-practice-exception-handling **

Original Author: http://stackoverflow.com/users/130638/balupton

#####Safely "throwing" errors

Ideally we'd like to avoid uncaught errors as much as possible, as such, instead of literally throwing the error, we can instead safely "throw" the error using one of the following methods depending on our code architecture:

For synchronous code, if an error happens, return the error:

pmahmud

/*
This gist is a work-around of the dependency injection issue of third party packages in an Angular project. 
*/
'use strict';

angular.module('yourAppName')
  .factory('thirdPartyPackageName',function( $window ) {
      /* Get the package from $window */
       var thirdPartyPackageName = $window.thirdPartyPackageName;
       delete( $window.thirdPartyPackageName );