I am migrating a core data using sqlite as the persistentStoreCoordinator, the Core Data Model, entities, I created everything, but now my problem is I don\'t know how to make Core Data to write initi
I have 3 tables in my core data tables. Item table: items, which开发者_JAVA技巧 has an ID column and a connection to a properties table.
This is a bit of a tricky one. I have Document entities that are currently bein开发者_Go百科g imported into CoreData from a SQLite database on a background thread. There\'s a separate context for the
I\'m currently developing an app that uses Core Data. I\'m using two stores/configurations, one for static content and one for user content. Occasionally on startup I get a crash saying \"Can\'t add t
Consider the following 2 predicates开发者_如何转开发 filtering through a 5k+ entries store: predicate1 = [NSPredicate predicateWithFormat:@\"hidden == NO AND name BEGINSWITH[cd] %@\", searchString];
I have a bunch of data (data that will remain constant) that I want to import in to my Cocoa app (OS X, iOS).This data is a pairing of \"Title\" and \"Body\" where the title might be \"Really Cool Stu
Alright, this problem is rather bizarre, and I\'m 99% positive at this point it\'s not a retain/release error.Basically I\'m using UIImagePickerController to grab an image from either the library or t
I am new to core data so please excuse me if I get some of the terms wrong. I have several objects in my xcdatamodel file. They are all inter connected with relationships and inverse relationships. I
I\'m trying to subclass UITableViewController to minimize my code. Basically I have all code in the super class exempt for the FetchedResultController, which I override in my subclasses.
What\'s best approach to store lookup date choice (actual value, or look up index)?In my case in CoreData for an iPhone application.The options seem to be:
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