pombadev

// CoffeeScript
square = (x) -> x * x
cube   = (x) -> square(x) * x
fill = (container, liquid = "coffee") ->
  "Filling the #{container} with #{liquid}..."

// ES6
let square = (x) => x*x
let cube = (x) => square(x)*x
let fill = (container, liquid = null) => `Filling the ${container} with ${liquid}...`

pombadev

Better Git Blame ??

Credits: @andrewray
URL: http://blog.andrewray.me/

git log -p -M --follow --stat -- /path/to/file/name

Better Git Log

pombadev

/*
  Implementation of The Luhn Algorithm (https://en.wikipedia.org/wiki/Luhn_algorithm)
 */

function validate(n) {

  /**
   * Check if the given number is of valid type
   */
  if (!n || typeof n !== 'number') {

pombadev

function revrot(str, sz) {

	/**
	 * If string (str), size (sz) or size is greater than string's
	 * length, return empty string.
	 */
	if (sz === 0 || str.length === 0 || sz > str.length) {
		return ''
	}

pombadev

Reverse or rotate?

• Solution

Validate Credit Card Number

• Solution

pombadev

function ListCookies() {
	var o = {};
	var c = document.cookie.split(' ')
	for (var i=0; i<c.length; i++) {
		o[c[i].split('=')[0]] = c[i].split('=')[1];
	}
	return o
}

console.log(ListCookies())

pombadev

$('<div id="dim_overlay">')
.css({
    'background-color': 'rgba(0, 0, 0, 0.5)', // change the last value to adjust the brightness.
    'min-height': '100%',
    'min-width': '100%',
    'position': 'fixed',
    'pointer-events': 'none', // keeps website's functionality intact
    'z-index': 999
})
.appendTo(document.body);

pombadev

// with map
[...Array(5)].map((elm, idx) => {
  switch(idx) {
    case 0:
       return Math.random().toString(36).slice(2, 8)
    case 4:
       return Math.random().toString(36).slice(2, 14)
    default:
       return Math.random().toString(36).slice(2, 6)
  }

pombadev

const promises = [
  () =>
    new Promise(resolve =>
      setTimeout(() => {
        resolve(console.log(1));
      }, Math.floor(Math.random() * 2000) + 1000)
    ),
  
  () =>
    new Promise(resolve =>

pombadev

show feedback while typing password

sudo visudo

# add this
Defaults pwfeedback

enable REISUB

sudo sysctl kernel.sysrq=1