Denis Kokin coquin

sed

sed -i '' '/null/d' filename.txt — removes all strings containing null from a file filename.txt

wc -l filename.txt — prints the number of lines in the file

C-w — Kill active region.

M-w — Copy to kill ring.

C-M-w — Append kill.

C-y — Yank last kill.

	// Note: promise will be rejected if user won't allow browser
	// to detect location
	function getLocation () {
	return new Promise((resolve, reject) => {
	if (navigator.geolocation) {
	navigator.geolocation.getCurrentPosition(resolve, reject)
	} else {
	reject()
	}
	})

	def fib(n: Int) = {
	def fib_tail(n: Int, a: Int, b: Int): Int = n match {
	case 0 => a
	case _ => fib_tail(n - 1, a + b, a)
	}

	fib_tail(n, 0, 1)
	}

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 Olivier Scherrer

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE