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function codePointLength(text) {
 let result = text.match(/[\s\S]/gu);
 return result ? result.length : 0;
}
console.log(codePointLength("abc")); // 3
console.log(codePointLength("𠮷bc")); // 3

pathtolearn

https://docs.nginx.com/nginx/deployment-guides/node-js-load-balancing-nginx-plus/



https://mazira.com/blog/introduction-load-balancing-nodejs-2

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Node.js behind a proxy

Write proxy settings

$ npm config set proxy http://localhost:3128
$ npm config set https-proxy http://localhost:3128

This config is great for SquidMan app.

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https://www.linode.com/docs/tools-reference/linux-users-and-groups/

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--> First Install Ionic and Cordova
npm i ionic cordova -g // this will install ionic cli and cordova (to convert to android and ios)

--> To Start
ionic start "proj name" type

cd proj folder

--> To Start
ionic serve

pathtolearn

https://www.linuxhelp.com/how-to-check-and-set-timezone-in-ubuntu/


dpkg-reconfigure tzdata

A window opens --> select region --> select area

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http://expressjs.com/en/guide/error-handling.html

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var page = require('webpage').create(),
    system = require('system'),
    address, output, size;
 
    address = system.args[1];
    output = system.args[2];
    page.viewportSize = { width: 2000 height: 600 };
    if (system.args.length === 3 && system.args[1].substr(-4) === ".pdf") {
        size = system.args[2].split('*');
 

pathtolearn

import { Directive, ElementRef, HostListener, Input } from '@angular/core';

@Directive({
  selector: '[OnlyNumber]'
})
export class OnlyNumber {

  constructor(private el: ElementRef) { }

  @Input() OnlyNumber: boolean;

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/**
 * Mark and Sweep Garbage Collection technique.
 * MIT Style License
 * by Dmitry Soshnikov
 */

// This diff describes the simplest version of mark and sweep
// GC in order to understand the basic idea. In real practice the
// implementation can be much tricker and optimized.