Guide to using CAPTCHAs in Rails

Although there are some obvious usability issues when using CAPTCHAs for form processing, Frank Hale has provided a simple tutorial on how to create a CAPTCHA system for Ruby on Rails. It’s light on commentary, but it seems to have all the code there you’d need to implement a CAPTCHA.

Authored by John Nunemaker (Noo-neh-maker), a programmer who has fallen deeply in love with Ruby. Learn More.

Release your software more often with fewer problems.
Flip your features.