Add this to your ActiveRecord models for an easy "find me everything that happened on this day" named scope

easy_created_at_named_scope.rb

# Add this to your ActiveRecord models for an easy "find me everything that happened on this day" named scope:
named_scope :by_date, lambda {|date|
	if date.is_a?(String)
		date = Time.parse(date)
	end
	date_start = date.midnight
	date_end = date_start.advance(:hours => 24)
	{
		:conditions => ["created_at between ? and ?",date_start,date_end]
	}
}