Railscasts, maintained by Ryan Bates, continues to release one great free screencast after another, with 9 so far this month, although we're going to include one from June 29 for good measure. We first looked at Railscasts a few months ago, so if you haven't visited again since, it's worth it. Here are the latest screencasts:

• Testing Without Fixtures - Fed up with using fixtures for your tests? Find a better way.
• will_paginate - A look at the "new way" to do pagination in Rails using the will_paginate plugin.
• Updating Through Checkboxes - How to perform actions on multiple items selected with checkboxes in a Rails view.
• Handling Exceptions - Learn about exceptions and how to handle them in Rails apps.
• The Logger - No, it's not about felling trees. Learn how to send messages to the log and how to customize it.
• How to Make a Generator - A look at building your own generator, much like the ones that come with Rails.
• Optimistic Locking - How to resolve situations when two people want to update the same record at the same time.

At the same time, Geoffrey Grosenbach, curator of PeepCode (and a new sponsor of Ruby Inside), has been storming ahead with his own set of screencasts, a few of which will be of direct interest to Rubyists / Rails developers:

• rSpec Basics - A look at Behavior Driven Development. An ideal starting point if you haven't touched BDD yet but have been intrigued.
• Rails From Scratch: Part I - A great up-to-date introductory "course" for getting into Rails. Even includes a free 20 page reference guide to Ruby and Rails, and an introduction to Ruby syntax. It's everything a new Rails developer needs.
• Rails From Scratch: Part II - Another 80 minutes of great introductory material for new Rails developers.

While Railscasts' screencasts are totally free, Peepcode screencasts cost $9 each, but for the great packaging, length, and total depth of the material covered, they're still bargains!