Latest Screencasts

Learn how to make a site usable offline through an HTML 5 cache manifest. This first part of the series covers rack-offline and problems you may run into.

The router in Rails 3 is fully compatible with Rack. Learn how to embed Sinatra into an app, handle redirects, and improve on Rails Metal.

Rack middleware is a way to filter a request and response coming into your application. In this episode I show how to modify the response body using middleware.

Rails Metal is a way to bypass the standard Rails request process for a performance boost. In this episode you will learn how to shave off a few milliseconds using Metal.