kevinah95

HTTPS

Una extensión cifrada del protocolo HTTP tradicional. Para realizar este cifrado, cada conexión con HTTP se envía sobre una capa SSL o TLS. El objetivo de usar HTTPS responde a dos cuestiones:

• Certificar que la web visitada es legítima
• Se mantiene la integridad y la privacidad de los datos de conexión.

kevinah95

• Best nginx configuration for improved security(and performance)
• How To Secure Nginx with Let's Encrypt on Ubuntu 16.04 | DigitalOcean
• HSTS (with Nginx) does not work properly
• How To Set Up Nginx with HTTP/2 Support on Ubuntu 16.04 | DigitalOcean
• How To Increase PageSpeed Score By Changing Your Nginx Configuration on Ubuntu 16.04 | DigitalOcean

kevinah95

//REF: https://medium.com/technical-credit/using-prettier-with-vs-code-and-create-react-app-67c2449b9d08
//Options: https://prettier.io/docs/en/options.html
{
  "singleQuote": true,
  "trailingComma": "es5",
  "semi": false
}

kevinah95

const {rewireWorkboxInject, defaultInjectConfig} = require('react-app-rewire-workbox');
const path = require('path');

module.exports = function override(config, env) {
  if (env === "production") {
    console.log("Production build - Adding Workbox for PWAs");
    // Extend the default injection config with required swSrc
    const workboxConfig = {
      ...defaultInjectConfig,
      swSrc: path.join(__dirname, 'src', 'custom-sw.js')

kevinah95

{
  ...
  "scripts": {
    "start": "react-app-rewired start",
    "build": "react-app-rewired build",
    "test": "react-app-rewired test --env=jsdom",
  },
  ...
}

kevinah95

// See https://developers.google.com/web/tools/workbox/guides/configure-workbox
workbox.core.setLogLevel(workbox.core.LOG_LEVELS.debug);

self.addEventListener('install', event => event.waitUntil(self.skipWaiting()));
self.addEventListener('activate', event => event.waitUntil(self.clients.claim()));

// We need this in Webpack plugin (refer to swSrc option): https://developers.google.com/web/tools/workbox/modules/workbox-webpack-plugin#full_injectmanifest_config
workbox.precaching.precacheAndRoute(self.__precacheManifest);

kevinah95

export default function register() {  
  // Some validations here
  window.addEventListener('load', () => {
    const swUrl = `${process.env.PUBLIC_URL}/custom-sw.js`; // In this line
    ...
  }
  // Another stuffs here
}

kevinah95

const workboxConfig = {
  ...defaultInjectConfig,
  swSrc: path.join(__dirname, "src", "custom-sw.js"),
  importWorkboxFrom: "local" // Add this propertie
};

kevinah95

Module Module1

    Class Node
        Public Key As Integer
        Public Left, Right As Node

        Sub New(Item As Integer)
            Key = Item
            Left = Nothing
            Right = Nothing

kevinah95

│           ┌── 8
│       ┌── 6
│       │   └── 5
│   ┌── 5
│   │   │   ┌── 4
│   │   └── 3
│   │       └── 8
└── 2
    │       ┌── 5
    │   ┌── 6