Using unobtrusive javascript, we can hide certain fields on forms based on the selected values of other fields.

Working with an autocomplete can be very simple. However, things get complicated when you try to use HTML markup in the displayed results. Learn how to use HTML markup within your autocomplete results!

Adding progress bars to your Refile uploader is easy thanks to the included javascript library from Refile. Learn how to add progress bars to your application.

Dalli is a great interface for Memcached through Ruby.

Whether you're preparing for a third-party security scan or already doing peer code reviews, you should always run brakeman scanner on your application to identify potential security vulnerabilities.