<h1 id="ref-889">REF-889</h1> <ul> <li>Title: Mass assignment in Rails applications</li> <li>Author: ['Michael Hartl']</li> <li>Time: 20080921</li> <li>URL: http://blog.mhartl.com/2008/09/21/mass-assignment-in-rails-applications/</li> </ul>