Categories Ruby on Rails #3. Why Rails? Easy Hosting Options. #0. Why use Rails? - Rapid Prototyping. Gems #1. Pry - a Better irb. Ruby #2. Cloning Objects in Ruby. #1. Pry - a Better irb. Tidbits #2. Cloning Objects in Ruby. #1. Pry - a Better irb. Rails Deployment #3. Why Rails? Easy Hosting Options.