lukehedger

$ ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4

lukehedger

// run this in Chrome with the --enable-precise-memory-info flag
// $ open -a "Google Chrome" --args --enable-precise-memory-info

timer = function() {
	requestAnimationFrame(timer)

	var heapBefore = window.performance.memory.usedJSHeapSize

	// run processes here
	// eg. console.log allocates 2216 bytes, new Object() 56 bytes

lukehedger

$ ffmpeg -i movie.mp4 -ss 00:00:05 -t 00:01:00 -async 1 cut.mp4
# -ss = start time
# -t = duration, not end time

lukehedger

ffmpeg -i file.mp4 -r 60 $filename%03d.jpg

lukehedger

# get a log of today's commits
$ git config --global alias.today '!git log --since=midnight --author="$(git config user.name)" --oneline'
$ git today

# get a log of yesterday's commits
$ git config --global alias.yday '!git log --graph --since=day.before.yesterday.midnight --until=midnight --author="$(git config user.name)" --oneline'
$ git yday

lukehedger

nano ~/.bash_profile
# or subl ~/.bash_profile

# add the following to your bash_profile and any other commands you use regularly

# command aliases
# git
alias gs='git status'
alias gpom='git push origin master'
# cd 

lukehedger

$ brew install rbenv ruby-build
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
# restart terminal
$ type rbenv
#=> "rbenv is a function"
$ rbenv install --list
#=> list of all available installations
$ rbenv install 2.1.3
#=> install specified version
$ rbenv global 2.1.3

lukehedger

'use strict';

// declare app-level module
var app = angular.module('app', []);

// register directive
app.directive('partial', function () {
	return {
		templateUrl: "partial.html", // url to template
		restrict: "AE" // restrict directive trigger to attribute (A) and element (E), not classname (C)

lukehedger

$ npm config set prefix ~/npm
$ echo prefix = ~/.node >> ~/.npmrc
# append this to .bashrc or .bash_profile: export PATH="$PATH:$HOME/.node/bin"

lukehedger

Official Gov UK postcode regular expression:

^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([AZa-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) [0-9][A-Za-z]{2})$