Have you tried to use CoreData in RubyMotion, only to get lost in the quagmire of simplistic or confusing examples, DSL's and gems? Let's go out and shave that herd of yaks!
Problems • RubyMotion gems/DSL’s hide a lot • Straight iOS Objective-C development relies on Xcode magic (hides a lot) • Complex data is complex • Large data is large • What do I do when I reach the limitations of these solutions?
The Real Problem • Sometimes you just need to understand how to solve problems at the most basic API code level, and the abstractions (and magic) just get in the way
Back to Basics (again) • Ray sure has a lot of good material, doesn’t he? • http://www.raywenderlich.com/999/core- data-tutorial-for-ios-how-to-use- nsfetchedresultscontroller