Memcached is an excellent cache store, and Dalli is the best way to interact with it through Ruby. Here I show various ways to use Memcached in a Rails app including how to set it up in production.
Caching at a low level is a great option when the view is too dynamic to cache and you need something flexible that can work anywhere in the application. Here I show a variety of ways to use Rails.cache with Active Record.
(12 minutes)
Get started with Rails 3.0 Beta and install Ruby 1.9.1 using RVM: Ruby Version Manager. Stay tuned to the end for a challenge on giving back to open source.
(8 minutes)