AlejandroPerezMartin

/**
 * Dropdown Component
 * 
 * Add 'data-dropdown' and 'aria-controls' with the element id to toggle
 */

const Dropdown = () => {
	const dropdowns = document.querySelectorAll('[data-dropdown]');

	// If there's no wrapper, bail.

AlejandroPerezMartin

const isRequired = () => { throw new Error('param is required'); };

function filterEvil(array, evil = isRequired()) {
  return array.filter(item => item !== evil);   
}

AlejandroPerezMartin

import { Directive, HostListener, ElementRef } from '@angular/core';

/**
 * This directive removes focus from the selectors after clicking on them
 */
@Directive({
  selector: 'button, a' // your selectors here!
})
export class FocusRemover {
  constructor(private elRef: ElementRef) {}

AlejandroPerezMartin

window.onload = function() {
        init();
        otherFn();
      }

      function init() {
        var myPromise = new Promise(function(resolve, reject){
          setTimeout(function() {
            resolve("Promise called!");
          }, 1000);

AlejandroPerezMartin

#!/bin/bash

# Declaring functions
function display() {
  echo "Hello" $1 "!"
}

# ./my_script.sh param1 param2
# $0 (script name)
# $1 .. $n (nth parameter)

AlejandroPerezMartin

#!/bin/bash

! # Start a history substitution
!$ # Refer to the last argument in a line
!string	# Refer to the most recent command starting with string

# example
echo !$

# Network

AlejandroPerezMartin

#!/bin/bash

# Calculate parameters
cvt 1920 1080
 
# Create new mode
xrandr --newmode "1920x1080_60.00" 173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
 
# Add new mode to screen
xrandr --addmode VGA-0 "1920x1080_60.00"