Does anyone have a tutorial or source code that shows a to-many relationship being used, where the user add elements in on the fly? I would just like to have a look because
Download the iPhoneCoreDataRecipes sample code. It's a full working demo of Core Data and an excellent way to get familiarized with the concepts.
You could try to see in the "Learn Cocoa on the Mac" book sources. In the chapters 7 and 8.
I hope you'll find what you need