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

// 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 input.mp4 -vcodec h264 -acodec mp2 output.mp4

lukehedger

$ ll
$ sudo chown -R hub_bot:www-data .
$ sudo chmod -R 755 .

lukehedger

# open global git config
$ atom ~/.gitconfig

[alias]
	today = !git log --since=midnight --author=\"$(git config user.name)\" --oneline
	yday = !git log --since=day.before.yesterday.midnight --until=midnight --author=\"$(git config user.name)\" --oneline
	co = !git checkout
	pu = !git push -u
	ci = !git commit -am

lukehedger

$ du -h -d 1 ./

lukehedger

# view all processes
ps -ax

# filter processes
ps -ax | grep <process-name>

# kill process
kill <process-PID>

lukehedger

# list aliases
alias

# add alias
alias name='command'

# remove alias
unalias name

lukehedger

class Klass {
  constructor() {
    console.log('hello class!')
  }
  
  static util(a, b) {
    return a + b
  }
  
  render() {

lukehedger

// TODO