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Interview Questions

Node.js

Q1: What do you mean by Asynchronous API? ☆☆

Answer: All APIs of Node.js library are aynchronous that is non-blocking. It essentially means a Node.js based server never waits for a API to return data. Server moves to next API after calling it and a notification mechanism of Events of Node.js helps server to get response from the previous API call.

Source: tutorialspoint.com

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React Practice Course

• React is decrative means you have no need to doing vanilla javascript kind of stuff

ex. const para = document.createElement('p');
para.textContent = 'This is Also Visible';
document.getElementById('root').append(paar);

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Advanced Git and Github Series & CI/CD

Git and GitHub Intro

Git Imporant command

• git checkout -b : It create the new branch and checkout on that branch
• git switch -c : It create the new branch and checkout on that branch. It work same like checkout. but above commad confused begginer so git introduce this one

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Welcome in Micro Front End Architecture

Monolithic Front End Architecture

Micro Front End Architecture

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Introduction and Installement of Type Script

• What is The Type Script and How it's different

For Installing the TypeScript You have need below things

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JavaScript Deep Dive Concepts

Behind The Scenes of JavaScript & How it works, the weired Parts & ES5 vs ES6+

No	ES5	ES6
1	Supporting in basically all browser including old IE	Supported in modern browser can be transpiled to ES5
2	Only had var, not let or const	Many New Features that help to write the cleaner and faster code
3	Syntax are same as like ES6 but quite some missing Features	still under active development and big step forward

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Docker command to Reflect User Changes

Most Docker Commands that Needs in Day TO Day Life

1. docker create -> creating the container in Docker
2. docker rename -> Renaming the container in Docker
3. docker run -> creating and start the container in docker
4. docker rm -> Delete the container through container id
5. docker rmi <IMAGE_ID> -> Deleting the docker Image through Image Id
6. docker ps -> Show all the running process in running Dockers

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AWS CLI Cheatsheet

http://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html https://www.youtube.com/watch?v=_wiGpBQGCjU

Setup

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System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

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Javascript Begginer to Advanced Tutorial

1.Topic Of JavaScript Engine

• what is Javascript engine
  • Javascript engine basically same as like the other machine.they convert javascript code into the machine code
  • different browser has diffrent javascript engine
    • Google Chrome ----------> V8 Engine
    • FireFox ----------> spiderMonkey
• safari ----------> javascript core