Well produced, short, to-the-point RoR screencasts of tips, tricks, tutorials.
Link: railscasts.com
Episode 144: Active Merchant Basics Episode 145: Integrating Active Merchant PayPal Express with ActiveMerchant Article PayPal's Express Checkout Guide PDF
Warden makes it easy to move authentication up into Rack middleware. This means authentication can be accessed outside of a Rails controller such as in routes or in a mountable engine.
Squeel provides a comprehensive DSL for writing SQL queries in Ruby. It is built upon Arel giving you access to many of its powerful features.
APIs should be consistent, but it is difficult to do this when returning a JSON response along side the HTML interface. Here I show how to add a versioned, RESTful API. The version can be determined from either the URL or HTTP headers.
Note that there is a hash at the top of the manifest file. Rack-offline uses this to identify specific revisions of the cache manifest. While our application is in development mode this hash will change every time we reload the page. In production mode, however, this hash only changes...
Oct 05, 2009 | 14 minutes | Plugins Present a slick user interface for cropping image attachments using Jcrop and Paperclip. Click to Play Video ▶ Tweet Download: source code Project Files in Zip (207 KB) mp4 Full Size H.264 Video (26.2 MB) m4v Smaller H.264 Video (16.3 MB) webm Full ...
See how to dynamically change a select menu based on another select menu using Javascript. In this episode everything is kept client side which leads to a more responsive user interface.
It is often asked: how do I create a list of checkboxes for managing a HABTM association? Ask no more because this episode will show you how to do exactly that.
