ActiveSupport CoreExtensions Hash Except module Except Ruby on Rails 2.3.18 Last seen in v2.3.18 Available in: v2.2.3 v2.3.18 Compare with: (choosing a version navigates to the comparison) Choose a version v2.2.3 · same Return a hash that includes everything but the given keys. This is useful for limiting a set of parameters to everything but a few known toggles: @person.update_attributes(params[:person].except(:admin)) Methods (defined here) # except # except! On this page Methods Support Bug Reports can be filed for the Ruby on Rails project on GitHub. Feature requests should be discussed on the rubyonrails-core forum. License Released under the MIT license.