Build an activity feed in Rails.
Figure out a way, using polymorphism, to generate an activity feed that is sorted by date, where each item is mixed, without using .is_a? or .kind_of? or asking for an object's .class.
Build an activity feed in Rails.
Figure out a way, using polymorphism, to generate an activity feed that is sorted by date, where each item is mixed, without using .is_a? or .kind_of? or asking for an object's .class.