devaraj devarajchidambaram

https://nodejs.org/en/download/ npm install --global windows-build-tools

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mysql> GRANT ALL PRIVILEGES ON . TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION; Query OK, 0 rows affected (0.13 sec)

	Error.captureStackTrace(targetObject[, constructorOpt])#
	targetObject <Object>
	constructorOpt <Function>
	Creates a .stack property on targetObject, which when accessed returns a string representing the location in the code at which Error.captureStackTrace() was called.

	const myObject = {};
	Error.captureStackTrace(myObject);
	myObject.stack; // similar to `new Error().stack`

	const WebSocket = require('ws');

	const wss = new WebSocket.Server({ port: 8080 });

	wss.on('connection', function connection(ws) {
	ws.on('message', function incoming(message) {
	console.log('messsage received: %s', message);

	});

	var url = 'ws://localhost:8080/'
	var connection = new WebSocket(url)

	connection.onerror = error => {
	console.log(`WebSocket error: ${error}`)
	}

	connection.onopen = () => {
	connection.send('hey')
	}

	Download and install
	https://commaster.net/content/installing-memcached-windows

	Default port : 11211

	To set value
	memcached.set('foo', 'bar', 10, function (err) {
	})

	Note :- 10 is the expiry time is 10 seconds

	import React ,{Component} from "react";
	import { connect } from 'react-redux';

	alert(connect)

	class Counter extends Component{

	constructor(props){
	super(props);