#151 Rack Middleware - RailsCastsResources Rack rack-contrib Full Episode Source Code Special thanks to Josh Peek for answering some questions I had on this topic. Update: making the code below thread safe by duplicating self on call. Note: as wldock and remi pointed out in the comments, it is important to change the headers["Content-Length"] value to reflect the new body length. See their comments for details.
#280 Pry with Rails - RailsCasts
