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2014/10/15 ¤U¤È 10:12:32
iphone Programming Glossary: performblockandwaitNSManagedObjectContext performBlockAndWait: doesn't execute on background thread? http://stackoverflow.com/questions/11831946/nsmanagedobjectcontext-performblockandwait-doesnt-execute-on-background-thread performBlockAndWait doesn't execute on background thread I have an NSManagedObjectContext declared like so NSManagedObjectContext backgroundMOC.. code void testThreading ok self.backgroundMOC performBlock ^ assert NSThread isMainThread CRASH self.backgroundMOC performBlockAndWait ^ assert NSThread isMainThread Why does calling performBlockAndWait execute the task on the main thread rather than background.. NSThread isMainThread CRASH self.backgroundMOC performBlockAndWait ^ assert NSThread isMainThread Why does calling performBlockAndWait execute the task on the main thread rather than background thread iphone objective c ios core data share improve this..
More iCloud Core Data synching woes http://stackoverflow.com/questions/14478517/more-icloud-core-data-synching-woes NSManagedObjectContext alloc initWithConcurrencyType NSMainQueueConcurrencyType managedObjectContext_ performBlockAndWait ^ managedObjectContext_ setPersistentStoreCoordinator coordinator if useICloud managedObjectContext_ setMergePolicy NSMergeByPropertyObjectTrumpMergePolicy..
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