myronmarston

max_stack_frames = 500

TooManyStackFrames = Class.new(StandardError)

TracePoint.new(:call) do |tp|
  if caller.size >= max_stack_frames
    raise TooManyStackFrames, "Stack has exceeded #{max_stack_frames} frames"
  end
end.enable

apeckham

http://robots.thoughtbot.com/convert-ruby-1-8-to-1-9-hash-syntax

search = :([^ ]*)(\s*)=>
replace = $1:

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application: