Drink#91: Your Ruby on Rails Juice

This beautiful after the rain shot is by {{Mouly}}( lost in silence )

1. Use memoization: May be you already know how to do this. But here is a third party library to do it for you.
2. Session fixation vulnerability in Devise: Important! If you are using Devise and ActiveRecord or Memcached store- you should update devise immediately. Even if you aren't, you should still update anytime soon.
3. Blogcast is a better way to blog: Rails 3 blog engine!