larrybolt

#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail

# Automatically update your CloudFlare DNS record to the IP, Dynamic DNS
# Can retrieve cloudflare Domain id and list zone's, because, lazy

# Place at:
# /usr/local/bin/cf-ddns.sh

atma

# default rule
sudo ufw default deny

# allow ssh
sudo ufw allow 22/tcp

# enable firewall
sudo ufw enable

# allow https?

fabiofl

sudo find /private/var/folders/ -name com.apple.dock.iconcache -exec rm {} \;

DiegoSalazar

// Takes a credit card string value and returns true on valid number
function valid_credit_card(value) {
  // Accept only digits, dashes or spaces
	if (/[^0-9-\s]+/.test(value)) return false;

	// The Luhn Algorithm. It's so pretty.
	let nCheck = 0, bEven = false;
	value = value.replace(/\D/g, "");

	for (var n = value.length - 1; n >= 0; n--) {

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name: