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2014/10/15 ¤U¤È 10:13:00
iphone Programming Glossary: pscImplementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone keys to YES NSError error NSURL storeURL #The URL of a persistent store# NSPersistentStoreCoordinator psc #The coordinator# NSDictionary options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption.. NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil if psc addPersistentStoreWithType #Store type# configuration #Configuration or nil# URL storeURL options options error error Handle..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel NSPersistentStoreCoordinator psc __persistentStoreCoordinator dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ NSFileManager.. NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil NSError error nil psc lock if psc addPersistentStoreWithType NSSQLiteStoreType configuration nil URL storeURL options options error error NSLog.. NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil NSError error nil psc lock if psc addPersistentStoreWithType NSSQLiteStoreType configuration nil URL storeURL options options error error NSLog @ bad things..
Core Data could not fullfil fault for object after obtainPermanantIDs http://stackoverflow.com/questions/11321717/core-data-could-not-fullfil-fault-for-object-after-obtainpermanantids of the same object and grabs their permanent IDs at the same time. You can also use a MOC directly connected to the PSC and watch for DidChange events but that's the same as the old way. Unfortunately you can't have a separate MOC just make.. If you are doing a large scale update I suggest using the old method. Create a new MOC directly connected to the PSC. Make all your changes there and have your live contexts just merge from those DidSave notifications. Finally on the database..
http://stackoverflow.com/questions/1656476/new-to-core-data-for-iphone Core Data objects the managed object context MOC the managed object model MOM and the persistent store coordinator PSC . These need to be accessible wherever you want Core Data available so either in your app delegate or more preferably in..
Removing and adding persistent stores to a core data application http://stackoverflow.com/questions/2257557/removing-and-adding-persistent-stores-to-a-core-data-application eliminate the need to build up and tear down multiple Core Data stacks. Update 2 A new stack is the entire stack. The PSC the MOM and the MOC. You are pulling the rug out from under the Core Data stack and then expecting it to just figure out.. end goal Late Update Um so what would be an acceptable scenario for creating only the PS and MOC and using existing PSC and MOM If I guessed I'd say that every time I made modifications to the existing stack it should be created anew and that..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate myMainView.managedObjectContext self managedObjectContext the example above will rebuild the MOC and PSC for you with the new parameters in mind Then there is the mergeiCloudChanges forContext method void mergeiCloudChanges NSNotification..
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