n370

function hardreset() { \
  git reset --hard $(git log --skip=$(expr $1 - 1) -1 --format=%h) \
}

n370

// @err {string} - Optional error message.
function fake(err) {
  return new Promise((resolve, reject) => {
    const msg = prompt('Cancel to simulate an API failure or add a message and Confirm to simulate a successful call')
    if (!msg) {
      return reject(err)
    }
    resolve(msg)
  })
}

n370

To convert pdf to image files use following commands:

For PNG gs -sDEVICE=png16m -dTextAlphaBits=4 -r300 -o a.png a.pdf

For JPG gs -sDEVICE=jpeg -dTextAlphaBits=4 -r300 -o a.jpg a.pdf

If you have multiple pages add to name %03d gs -o a%03d.jpg a.pdf

n370

Unfortunately, the Cisco AnyConnect client for Mac conflicts with Pow. And by "conflicts", I mean it causes a grey-screen-of-death kernel panic anytime you connect to the VPN and Pow is installed.

As an alternative, there is OpenConnect, a command-line client for Cisco's AnyConnect SSL VPN.

Here's how to get it set up on Mac OS X:

1. OpenConnect can be installed via homebrew:

    brew update
   

brew install openconnect

n370

Using jq, HTTPie and the Firebase REST API to push JSON objects from your terminal.

Imagine a scenario where you've been developing locally with dummy data and at some point decided to move this data to a Firebase instance.

Assuming your JSON file contents looks like the following.

[ 
  {
    "name": "Zapallo Anco",

n370

async function myAsyncFuntion() {
    try {
        const ok = await (() => new Promise((resolve, reject) => {
            setTimeout(() => {
                const luckyEnough = Math.round(Math.random() * 10) % 2 === 0;
                if (luckyEnough) {
                    resolve('ok');
                } else {
                    reject('err');
                }

n370

window.addEventListener('click', function (e) {
  // Haz algo cuando se haga un click 
});

setInterval(function () {
  // Haz algo a cada segundo
}, 1000);

var ajax = new XMLHttpRequest();
ajax.addEventListener('load' function (e) {

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const a = [];

a.push(() => setTimeout(() => { console.log('a'); a.shift(); a.length && a[0]();}, 1000))
a.push(() => setTimeout(() => { console.log('b'); a.shift(); a.length && a[0]();}, 1000))
a.push(() => setTimeout(() => { console.log('c'); a.shift(); a.length && a[0]();}, 1000))
a.push(() => setTimeout(() => { console.log('d'); a.shift(); a.length && a[0]();}, 1000))
a.push(() => setTimeout(() => { console.log('e'); a.shift(); a.length && a[0]();}, 1000))

a[0]();

n370

// Script sujo e rápido para remover o paywall "Exclusivo para assinantes" do jornal O Globo online.
// (1) Abra o console javascript do seu navegador utilizando a tecla F12.
// (2) Copie/Cole o bloco de código abaixo e pressione enter.
// (3) Leia o artigo!

(function () {
	[].forEach.call(document.querySelectorAll('iframe'), function (node) { node.parentElement.removeChild(node); });
	document.querySelector('#barreiraRegisterExclusiva').parentElement.removeChild(document.querySelector('#barreiraRegisterExclusiva'));
	document.querySelector('link[href="https://static.infoglobo.com.br/paywall/register-piano/v2/styles/styles.css"]').parentElement.removeChild(document.querySelector('link[href="https://static.infoglobo.com.br/paywall/register-piano/v2/styles/styles.css"]'));
})()

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#!/bin/bash

for f in *.jpg; do convert $f -colorspace gray -channel Gray -level 10,80% -brightness-contrast 10x90% -channel All -threshold 20 bmp:- | potrace -s - -o $f.svg ; done