https://medium.com/react-bootcamp — many react tutorail

Q1: What is React?

React is component-based Architecture, which means that components are the building block of the react framework. These help to build an interface and can use reusable.

🔗 Source: codementor.io

— — — — History — — — — →

window.history.back();
window.history.forward(); //Create…


Learn Teaching — Angular

Angular is a development platform, built on TypeScript. As a platform, Angular includes:

https://github.com/Aakashdeveloper/AngWebinar/tree/master/firstapp

What is Angular Framework? — Angular is a TypeScript-based open-source front-end platform that makes it easy to build applications within web/mobile/desktop. …


A single Microservice contains Routing+Middlewares + Bussiness Logic + Data access to implement one feature of our app.

Each service will have its own database. There are two types of communication sync and async sync — communication between each other using direct request. sync — communication with each other using events, this uses the event bus


Setup

this is a ……………………..

Let us now see how to install MongoDB on Windows.

Install MongoDB On Windows

1: ownload the latest release of MongoDB from https://www.mongodb.com/download-center.

2. Enter the required details, select the Server tab, in it you can choose the version of MongoDB, operating system and, packaging as:

3. Now install the downloaded file, by default, it will be installed in the folder C:\Program Files\.

4. MongoDB requires a data folder to store its files. The default location for the MongoDB data directory is c:\data\db. So you need to create this folder using the Command Prompt. Execute the following command sequence.

C:\>md…

Long and short Vowel rules [a, e, i, o, u]

Rule1 — TWO VOWEL (LONG VOWEL SOUND)
— →bake, these, pie, drone, cure
— →Fame, dream, ice, soap
Note: 1st LETER IS LONG VOWEL AND 2ND IS SILENT

Rule2 — ONE VOWEL(SHORT VOWEL SOULD)
— →had, bed, him , hot, sum
— →jam, bend, pin, short, bus

SILENT LETTER B
->Climb, dumb, comb(mb)
->Debt, doubt, subtle(bt)

SILENT LETTER D
->judge, hedge, pledge(dg)
->Wednesday, sandwich, handsome

SILENT LETER L AFTER A O U
->Calm, talk, walk, would, could, should
->Fold, Chalke, Salmon

PARTS OF SPEECH
Noun → Person, place of thing
Verb → expression of noun i.e Ram run/eat
Adjective → describe above the…


You can get this ebook in PDF, ePub and Mobi format at reacthandbook.com


July 10, 2020 5 min read

https://gerardvanderput.medium.com/(read this first)

Lists are an integral part of most web applications because they help display data in a more presentable format. But when an app tries to handle too much data in a list, it often leads to performance problems.

In this guide, we’ll outline some problems associated with bloated lists and walk through steps to overcome these performance challenges in React applications.

Prerequisites

To follow along with this tutorial, you’ll need the following.

Problem

Let’s create…


https://www.youtube.com/watch?v=Es22lEC6kXs&list=PLIGDNOJWiL1--PkxBwF8ghr0Oc0hXVJi7&index=25

Question 1

What is NPM & how its being used with Node JS

npm is the package manager for JavaScript based application and the world’s largest software registry having thousands of javascript modules. You can Discover packages of reusable code — and assemble them in powerful new ways.

NPM is powerful package manager to install new package for your application. It will give you common js modules.

NPM gives you capability to initialize application using package.json.

NPM and yarn are most popular package manager to manage javascript modules. If you are creating some reusable code and wanted to share with others…


SonarQube

Code Quality and Code Security

SonarQube empowers all developers to write cleaner and safer code. SonarQube is an open-source platform developed by SonarSource for continuous code quality inspection, to perform automatic reviews with static code analysis to detect bugs, code odors, and security vulnerabilities in over 20 languages. programming.

Sonarqube been integrated with dot.net project

Small project —>>NodeJs + Express + Docker + Jest + Sonarqube

https://dev.to/rafaeldias97/nodejs-express-docker-jest-sonarqube-45me

https://www.youtube.com/watch?v=z7ipHJvEs6o (SonarQube with node.js)

ESLint :

ESLint and Prettier libraries, helps developers maintain a consistent style. ESLint was created around 2013 alongside TSLint (now deprecated). ESLint analyzes your code for style and coding errors that can lead to bugs…

Devesh Kr Sri

Full Stack Developer with over 15 years of experince

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