Latest Screencasts

It is easy to be vulnerable to cross site scripting attacks in earlier versions of Rails, but Rails 3 solves this by automatically escaping unsafe input. Watch this screencast

Change the look and behavior of a Rails app on mobile devices. Also use jQTouch to build a native-looking interface. Watch this screencast

Use checkboxes to edit multiple records in one form, where each one has an individual set of form fields. Watch this screencast

Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery. Watch this screencast

Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields. Watch this screencast

Learn how to set up a one-to-many or many-to-many association which is entirely embedded into a single column through a string or bitmask. Watch this screencast

Learn about some of the more advanced functionality of Formtastic including handling many-to-many associations, required fields, and styling. Watch this screencast

Formtastic is a concise way to generate form views. In this episode (part 1 of 2) I show how to generate both a simple form and a more complex one which is customized with options. Watch this screencast

Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection. Watch this screencast

Learn an easy, unobtrusive way to add AJAX functionality to an existing set of pagination links using jQuery. Watch this screencast