jbmyid · August 29, 2015 14:05
diff --git a/momoize.rb b/momoize.rb
 class City < ActiveRecord::Base
  def self.top_cities(order_by)
    @top_cities ||= Hash.new do |h, key|
      h[key] = where(top_city: true).order(key).to_a
    end
    @top_cities[order_by]
  end
 end
	class City < ActiveRecord::Base
	def self.top_cities(order_by)
	@top_cities \|\|= Hash.new do \|h, key\|
	h[key] = where(top_city: true).order(key).to_a
	end
	@top_cities[order_by]
	end
	end