http://ruby5.envylabs.com/episodes/264-episode-260-april-3rd-2012 Rails 3.2.3 white lists mass assignments http://weblog.rubyonrails.org/2012/3/30/ann-rails-3-2-3-has-been-released/ Rails 3.2.2がリリースされた modelのgenerateでattr_accessi…