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Finding Unused CSS
Episode #180Sep 21, 200931 comments

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)
Model Versioning
Episode #177Aug 31, 200924 comments

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)
Searchlogic
Episode #176Aug 24, 200963 comments

Searchlogic

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)
AJAX History and Bookmarks
Episode #175Aug 17, 200943 comments

AJAX History and Bookmarks

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)
Screen Scraping with ScrAPI
Episode #173Aug 03, 200938 comments

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)
Delayed Job
Episode #171Jul 20, 200953 comments

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)
OpenID with Authlogic
Episode #170Jul 13, 200952 comments

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)
Feed Parsing
Episode #168Jun 29, 200922 comments

Feed Parsing

Learn two different techniques for parsing an RSS feed using Feedzirra in this episode! (10 minutes)
Cron in Ruby
Episode #164Jun 01, 200951 comments

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)
Tree Based Navigation
Episode #162May 18, 200943 comments

Tree Based Navigation

The acts_as_tree plugin provides many methods for handling a tree based association. In this episode I show how to build a navigation system with tabs, subpages, and breadcrumbs. (11 minutes)