I have 2 objects, with many to many relationships. Here\'s my code: + (NSSet *)activitiesSetForMember:(Members *)member inManagedObjectContext:(NSManagedObjectContext *)context{
I managed a tableview with NSFetchedResultsController whose fetch request uses a simple sort on a date attribute. It sorts properly when it first loads but when I refresh or call the loadMore method (
I\'ve a reload开发者_JS百科 method which handles with highly sensitive core data and I want to implement, that the method can not be executed in parallel.
When I create query, that contains apostrophe, I got error: \'NSInvalidArgumentException\', reason: \'Unable to parse the fo开发者_开发技巧rmat
Bit new to NSPredicates and Core Data in general, so trying to grasp my head around need to do the following:
I have a fetch request defined within my core data model called \"RemainingGaneProjections\". I want to execute that fetch request and sort the results by one of the entity\'s attributes. My code look
I am getting this weird exception and I have no clue how to figure out what\'s going wrong here \"Serious application error.**Exception was caught during Core Data change processing.**This is usuall
Some says we cannot change the request object. Some says we can change the query. 开发者_StackOverflow社区Some says we cannot change the predicate.
I am wondering if someone could clarify the following from Apples Core Data documentation: Changes are not reflected until after the controller’s managed object
I have been trying to use a second managed object context (MOC) in core data to add sales which will be listed in an NSTableView as pending, until the user presses a button to process the transactions