I had an original data model that was used to create NSManagedObject subclasses. I have now added custom code to these subclasses.
I\'ve got an idea to build custom Persistent Store that would basically work as a cache. I.e. objects that are available from local SQLite Store would be retrieved from it and those that are not avail
I am trying to retrieve results from search bar text in Core Data on a pro开发者_如何学JAVAperty that is an NSNumber.
We have an app with a versioned core data model, and we\'re setting the NSMigratePersistentStoresAutomaticallyOpt开发者_Go百科ion and NSInferMappingModelAutomaticallyOption options to handle the migra
When I try to build my Core Data App, which most code is coming from CoreDataBooks example, I get the error
in an NSViewController subclass this BOOL returns \"fault is (null)\" in the console: Submission *sub = [self representedObject];
I am using an NSFetchedResultsController that uses a predicate to fetch some managed objects. I have always assumed that the NSFetchedResultsController is updated when the开发者_StackOverflow中文版 ob
I want to create Karaoke type app. My app will take music from itunes and save it in sqlite database from application\'s document folder.Then
The iPad app that I\'m currently working on reads \".epub\" files from the Supporting fi开发者_运维知识库les directory within the iOS app. We are currently adding the ability to download arbitrary .ep
I\'m working on an iphone game that I plan to submit to the app store soon but there\'s one thing that I havent figured out yet. My game has multiples levels for the player to pass (obtaining scores a
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