luizbills

litecanvas()

function init () {
  loadScript('https://unpkg.com/@litecanvas/plugin-more-shapes/dist/dist.js', (res) => {
    if (res) plugin(pluginMoreShapes)
  })

  size = 100
  x = WIDTH/2 - size/2
  y = HEIGHT/2 - size/2

luizbills

litecanvas();

const max = 3
const dist = 360 / max

function init () {
  x = CENTERX
  y = CENTERY
  a = 0
}

luizbills

<?php
/*
english: put the below code in your functions.php
português: coloque o código abaixo no seu functions.php ou siga este guia: https://bit.ly/2Nn0SvD
*/
add_filter( 'wc_force_auth_message', function ( $message ) {
  return 'your new message/sua nova mensagem';
} );

luizbills

const $ = (selector, root = document) => root.querySelector(selector);

const $$ = (selector, root = document) => root.querySelectorAll(selector);

const on = (el, evt, cb, opts) => el.addEventListener(evt, cb, opts);

const once = (el, evt, cb) => el.addEventListener(evt, cb, { once: true });

const off = (el, evt, cb) => el.removeEventListener(evt, cb);

luizbills

<?php

/**
 * @param bool $is_valid
 * @param \WC_Coupon $coupon Coupon data.
 * @return bool
 */
add_filter( 'woocommerce_coupon_is_valid', function ( $is_valid, $coupon ) {
    if ( ! $is_valid ) return false;

luizbills

<?php

function is_cnpj ( $value ) {
	// extrai somente os números
	$cnpj = \preg_replace( '/[^0-9]/', '', (string) $value );
	// valida o tamanho
	if ( strlen( $cnpj ) !== 14 ) return false;
	// verifica se todos os digitos são iguais
	if ( preg_match( '/(\d)\1{13}/', $cnpj ) ) return false;
	// valida primeiro dígito verificador

luizbills

<?php

/**
 * Model to manipulate posts in WordPress
 * @abstract
 */
abstract class Post_Model {
	/**
	 * @var \WP_Post $post
	 */

luizbills

Conventions

• A = [xA, yA] is a point on the 2D plane. Same for B, C, ...
• lengths are in any unit (ex: pixels)
• code snippets are in JavaScript

Degrees to radians

angleRad = angleDeg * Math.PI / 180;

luizbills

<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

// Hooks
add_action( 'plugins_loaded', 'yourprefix_include_shipping_method' );
add_action( 'woocommerce_shipping_methods', 'yourprefix_register_shipping_method' );

luizbills

Manually install linux applications desktop files

Create a desktop file:

[Desktop Entry]
Version=1.0
Type=Application
Terminal=false
Exec=/home/path/to/app/binary