Gemcutter is a new service for hosting RubyGems, and Jeweler provides an automated way to release versions of a gem. (7 minutes)

Present a slick user interface for cropping image attachments using Jcrop and Paperclip. (14 minutes)

The :include and :joins options for the find method can be a little confusing because they are so similar. In this episode I show specifically when to use which option. (11 minutes)

Over time a CSS file can become large and filled with unused selectors. In this episode I show how to use the Deadweight gem to determine which CSS selects you can remove. (8 minutes)

Rails 2.3.4 includes a conventional way to add seed data to your application - no more including it in the migration files. (7 minutes)

Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection. (14 minutes)

If you need to keep track of a model's history of changes and switch between versions, consider using the vestal_versions gem like I show in this episode. (9 minutes)

Searchlogic makes searching models easier than ever with its assortment of named scopes. In this episode I show you how to create simple and advanced searches. (13 minutes)

Browser page history and bookmarks do not usually work with AJAX requests, but in this episode I show you how to remedy this problem using a simple jQuery plugin. (11 minutes)

Learn an easy, unobtrusive way to add AJAX functionality to an existing set of pagination links using jQuery. (13 minutes)