Gems are super simple once you get the hang of it. Look into installing RVM[0]. It will let you manage multiple versions of ruby at once. Also get familiar with

Gems are super simple once you get the hang of it. Look into installing RVM[0]. It will let you manage multiple versions of ruby at once. Also get familiar with Bundler[1] and watch the Rails 3 screencast[2] that explains it. [0] https://rvm.beginrescueend.com/ https://rvm.beginrescueend.com/ [1] http://gembundler.com/ http://gembundler.com/ [2] http://rubyonrails.org/screencasts/rails3/bundler-action-mailer http://rubyonrails.org/screencasts/rails3/bundler-action-mai...