Latest Screencasts

Showing validation errors inline as the user is filling out the form can lead to a better use experience. Learn how to do this using the Client Side Validations gem.

Password authentication is not too complicated to make from scratch, it will also help to get a better understanding of how it works.

Beanstalk is a fast and easy way to queue background tasks. Stalker provides a nice wrapper interface for creating these jobs.

The new Active Record query methods in Rails 3 might seem like magic at first. But in this episode I unravel how it works by browsing the Rails 3 source code.

Here I walk you through adding the ability to sort table columns in ascending or descending order by clicking the header.

It is now possible to add subdomains to Rails 3 without the use of additional plugins. Learn how in this episode.

Generating PDFs in plain Ruby can be a lot of work. Instead, consider generating PDFs from HTML using PDFKit.

Generators in Rails 3 have been completely rewritten to be more modular. This allows you to customize any generator to fit your specific preferences.

Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode.

Devise is a full-featured authentication solution which handles all of the controller logic and form views for you. Learn how to set it up in this episode.