has_parent? seems nicer than writing !parent_id.nil?
has_parent? seems nicer than writing !parent_id.nil?

aguzubiaga/refinerycms,stefanspicer/refinerycms,bryanmtl/g-refinerycms,anitagraham/refinerycms,mobilityhouse/refinerycms,Eric-Guo/refinerycms,louim/refinerycms,stefanspicer/refinerycms,trevornez/refinerycms,mojarra/myrefinerycms,mkaplan9/refinerycms,mabras/refinerycms,KingLemuel/refinerycms,koa/refinerycms,johanb/refinerycms,refinery/refinerycms,Retimont/refinerycms,bricesanchez/refinerycms,LytayTOUCH/refinerycms,simi/refinerycms,kappiah/refinerycms,anitagraham/refinerycms,aguzubiaga/refinerycms,trevornez/refinerycms,SmartMedia/refinerycms-with-custom-icons,mojarra/myrefinerycms,Eric-Guo/refinerycms,sideci-sample/sideci-sample-refinerycms,kappiah/refinerycms,Retimont/refinerycms,simi/refinerycms,mkaplan9/refinerycms,mabras/refinerycms,refinery/refinerycms,LytayTOUCH/refinerycms,hoopla-software/refinerycms,refinery/refinerycms,mlinfoot/refinerycms,chrise86/refinerycms,louim/refinerycms,stefanspicer/refinerycms,kelkoo-services/refinerycms,chrise86/refinerycms,donabrams/refinerycms,mobilityhouse/refinerycms,pcantrell/refinerycms,sideci-sample/sideci-sample-refinerycms,hoopla-software/refinerycms,SmartMedia/refinerycms-with-custom-icons,donabrams/refinerycms,KingLemuel/refinerycms,mlinfoot/refinerycms,bryanmtl/g-refinerycms,pcantrell/refinerycms,gwagener/refinerycms,gwagener/refinerycms,Eric-Guo/refinerycms,aguzubiaga/refinerycms,KingLemuel/refinerycms,mkaplan9/refinerycms,koa/refinerycms,chrise86/refinerycms,mabras/refinerycms,bricesanchez/refinerycms,johanb/refinerycms,LytayTOUCH/refinerycms,kelkoo-services/refinerycms,Retimont/refinerycms,anitagraham/refinerycms,simi/refinerycms,mlinfoot/refinerycms,hoopla-software/refinerycms,kappiah/refinerycms,trevornez/refinerycms,gwagener/refinerycms,johanb/refinerycms,simi/refinerycms