Something
public text v1 · immutableclass ChallengeCategoriesController < ApplicationController
def show
@category = ChallengeCategory.find(params[:id])
@challenges = Challenges.paginate(:page => params[:page], :per_page => 10, :conditions => { :category => @category })
end
end
class Challenge < ActiveRecord::Base
end
class ChallengeCategory < ActiveRecord::Base
end