Sean Griffin 18ae0656f5 Don't calculate all in-place changes to determine if attribute_changed? ... Calling `changed_attributes` will ultimately check if every mutable attribute has changed in place. Since this gets called whenever an attribute is assigned, it's extremely slow. Instead, we can avoid this calculation until we actually need it. Fixes #18029		2014-12-22 14:55:58 -07:00
..
active_model	Don't calculate all in-place changes to determine if attribute_changed?	2014-12-22 14:55:58 -07:00
active_model.rb	Autoload ActiveModel::StrictValidationFailed	2014-04-16 22:48:51 +01:00