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Delayed Job
Is there a long running task which should be handled in the background? One of the best ways is using the delayed_job plugin like I show in this episode.
(10 minutes)
Dynamic Page Caching
Use JavaScript to allow dynamic content in a page cache. In this episode I show you how to insert the user-specific content into a page through JavaScript.
(11 minutes)
Finding Unused CSS
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)
Beginning with Cucumber
Cucumber is a high-level testing framework. In this episode we will create a new Rails application from scratch using behavior driven development.
(15 minutes)
Self-Referential Association
Creating a social networking site often requires a self-referential association on the User model to define friends/followers. In this episode I show how to do exactly that.
(14 minutes)
OpenID with Authlogic
Learn how to apply OpenID to an existing Authlogic setup as I show in this episode. This builds upon the app from episode 160.
(11 minutes)
Model Versioning
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)
Non Active Record Model
This episode will show you how to make a model which isn't based on Active Record. You may want to do this if a resource isn't backed by the database.
(12 minutes)
Screen Scraping with ScrAPI
Screen scraping is not pretty, but sometimes it's your only option to extract content from an external site. In this episode I show you how to fetch product prices using ScrAPI.
(15 minutes)
Cron in Ruby
Cron is great for handling recurring tasks, but it is an external dependency with a crazy syntax. In this episode I show you how to use Whenever to create cron jobs with Ruby.
(8 minutes)