jxu

Regular Expression Engine Comparison Chart

Many different applications claim to support regular expressions. But what does that even mean?

Well there are lots of different regular expression engines, and they all have different feature sets and different time-space efficiencies.

Assignment
Assign `value` to `variable` if `variable` is not already set, `value` is returned. Combine with a `:` no-op to discard/ignore return `value`.	`${variable="value"}` `: ${variable="value"}`

put the function in your .zshrc or .bashrc and then

~  ia-save http://twitter.com/atomotic

start new:

tmux

start new with session name:

tmux new -s myname

(C-x means ctrl+x, M-x means alt+x)

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

	#!/bin/sh

	git filter-branch --env-filter '

	OLD_EMAIL="[email protected]"
	CORRECT_NAME="Your Correct Name"
	CORRECT_EMAIL="[email protected]"

	if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
	then

	# From Minecraft Overviewer (https://github.com/overviewer/Minecraft-Overviewer)
	# png-it.py script -- modified version which works with mapcrafter maps

	"""
	Outputs a huge PNG file using the tiles from a overviewer map.
	"""

	from optparse import OptionParser
	from PIL import Image
	from os.path import join, split, exists