khoahuynhdev

axios({
  url: 'http://localhost:5000/static/example.pdf',
  method: 'GET',
  responseType: 'blob', // important
}).then((response) => {
  const url = window.URL.createObjectURL(new Blob([response.data]));
  const link = document.createElement('a');
  link.href = url;
  link.setAttribute('download', 'file.pdf');
  document.body.appendChild(link);

khoahuynhdev

var fs = require('fs');
var https = require('https');
var express = require('express');

var app = express();
var options = {
  key: fs.readFileSync('./file.pem'),
  cert: fs.readFileSync('./file.crt')
};
var serverPort = 443;

khoahuynhdev

const util = require('util')
const mysql = require('mysql')
const pool = mysql.createPool({
    connectionLimit: 10,
    host: 'localhost',
    user: 'root',
    password: 'password',
    database: 'my_database'
})

khoahuynhdev

MySQL

Getting started

• http://www.sqlteaching.com/
• https://www.codecademy.com/learn/learn-sql

Related tutorials

• MySQL-CLI
• Analyzing Business Metrics
• SQL joins infografic

khoahuynhdev

// If you’ve accidentally checked in node_modules before, that’s okay. You can remove it like this:
echo 'node_modules' >> .gitignore
git rm -r --cached node_modules
git commit -am 'ignore node_modules'

// create dump data for mysql
// SET PATH FIRST
mysqldump -u YourUser -p YourDatabaseName > wantedsqlfile.sql

// Use utf8 in CMD Windows

khoahuynhdev

// Pseudo Jquery
const $ = document.querySelector.bind(document);
const $$ = document.querySelectorAll.bind(document);

// convert a number in decimal to binary
8..toString('2') // '1000'

khoahuynhdev

using System;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace HttpListenerExample
{
    class Program
    {
        public static HttpListener listener;

khoahuynhdev

style>
.heart {
  position: absolute;
  margin: auto;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: pink;
  height: 50px;