nsmanagedobjectcontext
NSManagedObjectContext doesn't refresh correctly
hi :) I have a similarly issue like in Working with the same NSManagedObjectContext in multiple tabs[详细]
2023-03-27 00:26 分类:问答Core Data merge two Managed Object Context
My Cocoa/Application has a Managed Object Context on the main thread. When I need to update my data my program will:[详细]
2023-03-26 09:03 分类:问答How to make a shallow copy of NSManagedObject when objects' contexts differ?
I am implementing \"duplicate\" functionality in my iOS application. I\'m using the following workflow:[详细]
2023-03-26 07:56 分类:问答Fetched Property and multiple ManagedObjectContext
) for several reasons, I have to create 2 ManagedObjectContext, eac开发者_如何学JAVAh one having a different NSPersistentStoreCoordinator (one is NSSqlLiteType, the othe is a NSInMemoryType).[详细]
2023-03-25 17:46 分类:问答Core Data - relationship goes nil unexpectedly
I am struggling with some bizarre behavior in Core Data. I have a fairly standard set-up, using the CoreDataBook example: I have a RootView which is using a NSFetchedResultsController to display list[详细]
2023-03-23 21:34 分类:问答Multithreaded Core Data - NSManagedObject invalidated
As the title suggests im working with a Core Data Application which gets filled with objects in different background threads (XML Parsing)[详细]
2023-03-23 14:11 分类:问答[ controllerWillChangeContent:]: message sent to deallocated instance
I am having a problem with my ipad app. I\'ve got a view that is accessed in 2 ways, if i go in one way it works perfectly.If I go in through another though, it crashes when saving the context.[详细]
2023-03-23 08:24 分类:问答Iterating over core-data passed to a view
I am passing data to the view using this method: nextViewController = [[AfricanSwallowViewCont开发者_C百科roller alloc] initWithNibName:@\"AfricanSwallowView\" bundle:nil];[详细]
2023-03-20 12:32 分类:问答Core Data relationships, multiple managed object contexts & threads
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[详细]
2023-03-20 09:33 分类:问答Working with Multiple Managed Object Contexts Questions
I currently do multiple network requests via several threads executing in parallel, thus have a managed object context for each thread, and each thread sets attribute values for Core Data entities. So[详细]
2023-03-20 03:35 分类:问答