nsmanagedobject
How make selector of an object subclassed from NSManagedObject visible to the compiler, beyond declaring in the interface in *.h file?
Core Data, NSManagedObject, I obtained source code for a demo app from MacResearch.org named Molecular Core[详细]
2023-02-21 21:13 分类:问答Why is this IF block not being entered after checking against an NSManagedObject boolean property?
NSLog(@\"move report - %@\", [eventToArchive valueForKey:@\"archived\"]); if (![eventToArchive valueForKey:@\"archived\"]) {[详细]
2023-02-20 22:53 分类:问答Why are NSManagedObject and NSEntityDescription separate classes?
It seems that an NSEntityDescription object describes data and an NSManagedObject object contains the corresponding data. If you have a normal NSObject subclass, the description of the data and the ac[详细]
2023-02-20 13:02 分类:问答NSManagedObject outside of a managedObjectContext
I\'ve seen others asking about how to use an NSManagedObject outside of the managedObjectContext. Seems like everyone says you should not do this, but I can\'t find information on what to do instead.[详细]
2023-02-20 12:09 分类:问答awakeFromFetch with non-managed property
I have an NSManagedObject subclass with some image data in an NSData property (image开发者_StackOverflow社区Data), which is automatically persisted. After loading the data from the network I also set[详细]
2023-02-20 04:04 分类:问答NSFetchedResultsController - how does sectionNameForKeypath get its data?
I\'ve been having a few nightmares with NSFetchedResultsController and in trying to 开发者_如何学JAVAfind a solution to my problem outlined here, I came across something unusual about the data being f[详细]
2023-02-18 19:40 分类:问答NSManagedObject initWithEntity: insertIntoManagedObjectContext: EXC_BAD_ACCESS
I have a Core Data store set up with an Xcode-generated subclass of NSManagedObject: Note. I can use NSEntityDescription insertNewObj开发者_JS百科ectForEntityName: inManagedObjectContext: with no tro[详细]
2023-02-16 01:48 分类:问答Xcode4: Different code generated for custom core data managed objects
Now that Xcode4 is publicly available I\'m moving this question out of Apple\'s secret dev forum: Can someone explain why the code generated in the following procedure is different than in Xcode3? Is[详细]
2023-02-16 01:45 分类:问答Core Data: Returning to a Previously Inserted Managed Object
I have the following model: 开发者_JS百科 Doctor <-->> Case <->> Report A Doctor has many Cases but a Case has only one Doctor. A Case can has many Reports[详细]
2023-02-15 00:58 分类:问答How to properly delete a "temporary" NSManagedObject upon the application quitting
I create a temporary NSManagedObject and associate it with the main NSManagedObjectContext. I need be able to treat it as a fully functioning object (perform fetch requests, etc) inside the context an[详细]
2023-02-14 03:42 分类:问答