\"},{\"text\":\"Controller helpers\",\"link\":\"/controller_helpers\"},{\"text\":\"Fetching records\",\"link\":\"/fetching_records\"},{\"text\":\"Cannot\",\"link\":\"/cannot\"},{\"text\":\"Hash of conditions\",\"link\":\"/hash_of_conditions\"},{\"text\":\"Combine Abilities\",\"link\":\"/combine_abilities\"},{\"text\":\"Check abilities - avoid mistakes\",\"link\":\"/check_abilities_mistakes\"},{\"text\":\"Handling CanCan::AccessDenied\",\"link\":\"/handling_access_denied\"},{\"text\":\"Customize controller h