Action Controller Parameters Allows you to choose which attributes should be permitted for mass updating and thus prevent accidentally exposing that which shouldn’t be exposed.| api.rubyonrails.org
Railties – Gluing the Engine to the Rails Railties is responsible for gluing all frameworks together.| api.rubyonrails.org
Methods| api.rubyonrails.org
Hash With Indifferent Access Implements a hash where keys :foo and "foo" are considered to be the same. rgb = ActiveSupport::HashWithIndifferentAccess.| api.rubyonrails.org
Notifications ActiveSupport::Notifications provides an instrumentation API for Ruby. Instrumenters To instrument an event you just need to do: ActiveSupport::Notifications.| api.rubyonrails.org