isaurssaurav

//pass a query param
 onNavigate(){
        this.router.navigate(['/'],{queryParams:{"analytics":100}});
    }
    
//get a query param in that component, here it is / so it refers to main or home compnent 
import { Component, OnInit,OnDestroy } from '@angular/core';
import {Router} from '@angular/router';
import {Subscription} from 'rxjs/Rx';

isaurssaurav

git add '*.txt'


git log: gives a committed with author and date


git remote add origin https://github.com/try-git/try_git.git

git push -u origin master
git 

isaurssaurav

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

isaurssaurav

1. At terminal go to addon project,
  npm link 
2. Go to project where you want to use addon
  npm link addon-name
  npm install

isaurssaurav

In AWS Console

1. Create a bucket
  1.1 name a bucket as domain for easy purpose
2. Go to properties of bucket
  2.1. Go to edit bucket policy
    - in text editor, edit a resource key with your domain name after ::
  2.2. Go to static web hosting 
    - Enable a webhosting option
    2.2.1. There is a endpoint link which is used to point your bucket to domain

isaurssaurav

Sans jQuery

Events

// jQuery
$(document).ready(function() {
  // code
})

isaurssaurav

Events

// jQuery
$(document).ready(function() {
  // code
})

// Vanilla
document.addEventListener('DOMContentLoaded', function() {

isaurssaurav

The ssh way

Assuming that you have ssh on your ubuntu box.
Minikube user: docker password: tcuser

First run kubectl proxy & to expose the dashboard on http://localhost:8001

Then expose the dashboard using ssh's port forwarding, executing:

ssh -R 30000:127.0.0.1:8001 [email protected]

isaurssaurav

JS Questions:

• Explain event in JS and event delegation
• Explain how this works in JavaScript
• Explain how prototypal inheritance works
• Explain IFE
• What's the difference between a variable that is: null, undefined or undeclared?
• What is a closure, and how/why would you use one?
• What's the difference between .call and .apply?
• Explain Ajax .

isaurssaurav

var app = require("express")();
var http = require("http").Server(app);

var io = require("socket.io")(http);

var Usercounter = 0;

app.get("/", function(req, res) {
  res.sendFile(__dirname + "/index.html");
});