bradtraversy

MySQL Cheat Sheet

Help with SQL commands to interact with a MySQL database

MySQL Locations

• Mac /usr/local/mysql/bin
• Windows /Program Files/MySQL/MySQL version/bin
• Xampp /xampp/mysql/bin

Add mysql to your PATH

bradtraversy

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

rauschma

Strings

String.prototype.*

None of the string methods modify this – they always return fresh strings.

• charAt(pos: number): string ^ES1

  Returns the character at index pos, as a string (JavaScript does not have a datatype for characters). str[i] is equivalent to str.charAt(i) and more concise (caveat: may not work on old engines).

rauschma

This content moved here: https://exploringjs.com/impatient-js/ch_arrays.html#quickref-arrays

soulmachine

First of all, please note that token expiration and revoking are two different things.

1. Expiration only happens for web apps, not for native mobile apps, because native apps never expire.
2. Revoking only happens when (1) uses click the logout button on the website or native Apps;(2) users reset their passwords; (3) users revoke their tokens explicitly in the administration panel.

1. How to hadle JWT expiration

A JWT token that never expires is dangerous if the token is stolen then someone can always access the user's data.

Quoted from JWT RFC:

vinkla

Upload images to GitHub

1. Create a new issue on GitHub.

2. Drag an image into the comment field.

3. Wait for the upload process to finish.

4. Copy the URL and use it in your Markdown files on GitHub.

bradtraversy

# GET VERSION
npm -v (or --version)

# GET HELP
npm help
npm

# CREATE PACKAGE.JSON
npm init
npm init -y (or --yes)

davidleininger

{
  "workbench.colorTheme": "CobaltNext",
  "workbench.startupEditor": "newUntitledFile",
  "editor.tabSize": 2,
  "editor.formatOnSave": true,
  "eslint.autoFixOnSave": true,
  "eslint.options": {
    "configFile": "/Volumes/Macintosh HD/Users/davidleininger/.eslintrc.json"
  },
  "prettier.eslintIntegration": true,

learncodeacademy

//events - a super-basic Javascript (publish subscribe) pattern

var events = {
  events: {},
  on: function (eventName, fn) {
    this.events[eventName] = this.events[eventName] || [];
    this.events[eventName].push(fn);
  },
  off: function(eventName, fn) {
    if (this.events[eventName]) {