Afetr inserting a new record into my CoreData store using an NSFetchedResultsController, when I then try to display the data in a grouped UITableView the app crashes with the following error\"
I have model People and model Group开发者_如何学C, People has field of type Group. How I can calculate count of group in people store?
I’m in the process of designing an iPhone app, using Core Data for data persistence (with local SQLite store[s]).Before I get too far into the implementation, I’m hoping for some qualitative advice
I have a navigation controller-based application that could be active for a relatively long time and can load multiple screens, re开发者_开发问答visiting some in the course of its life - a business ap
In a previous project, I built an iPhone app for 2.2.x that used SQLite. It had existing data (in XML form) that needed to be pre-loaded into the build. So I wrote a small tool which used libxml2 to p
I\'m a new iPhone developer (of about 4 months or so) who is starting to look at Core Data. In the \"Beginning iPhone 3 Development\" book by Dave Mark it mentions that the main difference between f
I am having an issue with Core Data... here is my situation: I have a Restaurant and that restaurant has a category which is a to-many relationship and the category also has a to-many relationship ba
I set up an Entity using the Xcode .xcdatamodel file editor.I created an entity called Person, added a few attributes, then generated a .m file to represent it.That all works fine.
I would like to write a method that deletes my application\'s Core Data store, which I would follow by creating a new sto开发者_开发技巧re. Is there a standard approach for doing this, and where is th
I have a data store of events, however I only want to show events that occur in the future. I have a field denoting the date of the event of type NSDate.
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