rupeshtiwari

// getData function is pretending that it is fetching data and after 2 second it received data.
// $ is jQuery
function getData() {
    //creating on dererred object
    var deferred = $.Deferred(); 

   // after 2 second resolve promise with data. 
   setTimeout(function() {
      deferred.resolve([1,2,3]);
    }, 2000);

rupeshtiwari

log(); 
var log = function(msg) {
    alert(msg);
}

/*
* in this case log function is a expression type and log varibale will be hoisted at the top 
* and initialized with undefined therefore, we will get 
* Uncaught TypeError: log is not a function
*/

rupeshtiwari

For deleting the remote branch:

git push origin --delete <your_branch>

Override current file with server file

git checkout --theirs package-lock.json

rupeshtiwari

Setting up an box for Full Stack Developer Guide and Tutorial

FullStack developer environment

Install below softwares for Windows Desktop/Laptop

Note: Run all software as administrator.

• VSCode
  • Vs Code Recommended Extenstions (https://gist.github.com/rupeshtiwari/9e53cfb0b23590a0ae1c526629fbc46e )
  • Vs Code Recommended Font Settins ( Fira Code ) (https://gist.github.com/rupeshtiwari/44c892cb29dffd6343d1ab9d1c1dc5cb)
• Node.JS
  • run npm -v & node -v to confirm installation.
• Install MongoDb Server Download Mongo Db Server Here!

rupeshtiwari

Install below VsCode Extensions

• Peacock
• Angular Language Service
• ESLint
• GitLens — Git supercharged
• Material Icon Theme
• Prettier - Code formatter
• Markdown All in One
• npm (npm support for vscode)

rupeshtiwari

Understanding RxJS BehaviorSubject, ReplaySubject and AsyncSubject

What are RxJS subjects and the benefits of using them. How to understand RxJS subjects such that you can apply it in your day to day coding at your own project. Well lets get started.

There are 4 types of RxJS Subjects:

1. Subject
2. BehaviorSubject
3. ReplaySubject
4. AsyncSubject

jamstooks

My AWS Cloud9 Setup for Python/Django and Node

Getting setup

sudo yum -y update

I'm not a big fan of their default bash prompt:

echo "export PS1='[\D{%F %T}]\n\[\e]0;\w\a\]\[\e[32m\]\u:\[\e[33m\]\w\[\e[0m\]\n\$ '" >> ~/.bashrc

source ~/.bashrc

rupeshtiwari

a4b.amazonaws.com
access-analyzer.amazonaws.com
account.amazonaws.com
acm-pca.amazonaws.com
acm.amazonaws.com
airflow-env.amazonaws.com
airflow.amazonaws.com
alexa-appkit.amazon.com
alexa-connectedhome.amazon.com
amazonmq.amazonaws.com

remojansen

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);
    }

rupeshtiwari

Mounting Amazon EFS to EC2 Instance, extra volume, attach ebs, aws

1. Create new extra EBS volume from AWS console named /dev/xvdf
2. Attach the new volume to EC2 from AWS Console
3. Connect to EC2, create a new directory and mount the new extra EBS volume

• Check all devices attached sudo lsblk -f

• Determine if file system exist for the new volume sudo file -s /dev/xvdf

• Create a new file system on EC2 to mount volume mkfs -t xfs /dev/xvdf