Building Tree Structures From Hierarchical Data In ColdFusion 0 ▲ Ben Nadel's Web Development and User Experience Feed @ BenNadel.com 1 hour ago · Tech · 0 comments Ben Nadel demonstrates how he turns flat hierarchical data into a tree structures in ColdFusion using a two pass, O(n) algorithm.... No comments yet. Log in to reply on the Fediverse. Comments will appear here.