Clemens Kofler has put together a rather novel "tutorial" for Rails' new internationalization and localization features. Instead of being a typical tutorial on a Web page, the tutorial comes as a Rails app. To get started:

git clone git://github.com/clemens/i18n_demo_app.gitcd i18n_demo_app./script/server

Then head to http://localhost:3000/ and you're away.
Note: We've mentioned Rails' internationalization features before on Rails Inside.

DZone has released a new entry in their "Refcardz" series (short PDFs that rapidly walk through a single topic) called Flexible Rails: Flex 3 on Rails 2. It was written by Peter Armstrong of Ruboss and covers how to use Adobe's Flex technology along with a Rails 2.x application. It's well designed and packs in [...]

Rob Anderton has put together an easy-to-read walkthrough of some of the new caching features in Rails 2.1. One of the coolest new features is that Rails provides an abstraction to using the back-end caching features (whether ultimately provided by file stores or memcached):
# Write a string to the cache
Rails.cache.write('test_key', 'test_value')
=> true

# Read it back [...]