Stupid Dev vuthaihoc

PHP 5.1.6

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dns lookup https://www.ultratools.com/tools/dnsLookupResult
nameserver vs dns records https://cloudbric.zendesk.com/hc/en-us/articles/206272533-What-differences-are-there-between-changing-a-name-server-and-an-A-record-
google cloud dns https://cloud.google.com/dns/overview
google dns query https://dns.google.com/
pingdom https://tools.pingdom.com/
flush dns https://documentation.cpanel.net/display/CKB/How+To+Clear+Your+DNS+Cache#HowToClearYourDNSCache-MacOS®10.10.4andabove

Đọc để học cách thiết kế, các hàm nên có đối với class tương tác db dùng chung cho nhiều vị trí trong project. Đọc cách sử dụng để thấy khi sử dụng thì có những cách truyền biến, truyền yêu cầu nào, cách nào là hợp lý hơn trong project

DNS Google

8.8.8.8
8.8.4.4

DNS Singapore

165.21.83.88
165.21.100.88

1) What is Asynchronous call?

A function that enables processing to continue without waiting for function to return the value.

2) What is Full-text search ?

In this we can match a word or phrase in multiple columns and fetch rows accordingly. The Full-text searches are supported for MyISAM tables only ex. : SELECT * FROM articles WHERE MATCH (title,body) AGAINST ('database');

Readme.md

	- Problem 1: Cho mảng nhiều chiều
	[
	a => 1,
	b => 2,
	c => [
	d => 4,
	e => 5,
	f => [ g => 6]
	]
	]

	(function (context, trackingId, options) {
	const history = context.history;
	const doc = document;
	const nav = navigator \|\| {};
	const storage = localStorage;
	const encode = encodeURIComponent;
	const pushState = history.pushState;
	const typeException = 'exception';
	const generateId = () => Math.random().toString(36);
	const getId = () => {

	<?php
	/**
	* Created by PhpStorm.
	* User: hocvt
	* Date: 1/4/19
	* Time: 15:05
	*/

	ini_set( 'display_errors', 1);

	<!DOCTYPE html>
	<html>
	<body>
	<button onclick="startWorker()">Start Count</button>

	<p>Count down <span id="number_view"></span></p>

	<script>
	var w;