I\'m trying to write some functions that import/export only some objects of certain entity from the database of CoreData. I have googled and I found not much helpful hints so far... the only one examp
I have a managed object context in a separate thread that is creating a few hundred managed objects, and when it saves, the did save notification is passed to the main thread and my other context (on
I am having trouble getting an core-data backed NSArrayController to work properly in my code. Below is my code:
I\'m working on my 2nd iPhone app and am curious about Core Data. Time on the project is limited, as is my time overall.
I\'ve been using Core Data for about a week now, and really loving it, but one minor issue is that setting default values requires going through and setting up a temp interface to load the data, which
According to the Apple Core Dat开发者_如何学JAVAa Tutorial, in order to use Core Data you have to:
I have a \"to->many\" relationship in Core Data with no inverse relationship and the delete rule set to both \"Nullify\" and \"No action\" (by that I mean I\'ve tried both with no avail)
I have a CoreData-drive开发者_运维知识库n navigation app and I\'m trying to figure out why It\'s crashing.
According to Apple, two to three letter prefixes should be used when naming classes, protocols, functions, constan开发者_运维技巧ts, and typedef structures.
I am initializing a NSManagedObject subclass using: - (void)setValuesForKeysWithDictionary:(NSDictionary *)keyedValues
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