nsfetchedresultscontroller
Setting attribute of NSManagedObject is blocking the iPad UI' in Core Data
Firstly, I have found a couple of related questions on the issue with links pasted below, but none have really helped me solve the problem:[详细]
2023-03-20 19:29 分类:问答Problem with NSFetchedResultsController updates and a to-one relationship
I\'m having some trouble with inserts using a NSFetchedResultsController with a simple to-one relationship. When I create a new Source object, which has a to-one relationship to a Target object, it se[详细]
2023-03-19 07:48 分类:问答Core Data: delay calling endUpdates till viewWillAppear
I have a Core Data app with a tab-bar controller that displays 2 view controllers. If I add something in the first tab\'s view controller, it should display in the 2nd tab\'s VC. Both VCs are based of[详细]
2023-03-19 04:06 分类:问答Core Data: Predicate that Returns Objects of Another Entity
I开发者_运维百科 have two entities in my data model: Details and Lookup. I need find all Details objects related to a specific Lookup object that has specific attribute value and then return those Det[详细]
2023-03-18 03:27 分类:问答sectionNameKeyPath with NSFetchedResultsController not working
I have an entity Order with property paid, which is a开发者_开发知识库 boolean. I want to display all orders in a UITableView, but I want to group them in two sections: \'Not Paid\' and \'Paid\'. So[详细]
2023-03-17 16:08 分类:问答Sorting NSFetchedResultsController's sections array
Is there a way to sort the sections property of NSFetchedResultsController? Let\'s say i don\'t want m开发者_开发百科y sections to be sorted alphabetically ascending, but descending. Or maybe not even[详细]
2023-03-17 02:23 分类:问答Create Array From Attribute of NSObject From NSFetchResultsController
I have a NSFetchResultsController that fetches a NSObject. NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];[详细]
2023-03-15 22:09 分类:问答Searching for an id in Core Data
I am getting some unexpected behavior with CoreData and NSPredicate. In a large database population I have different Managed Objects relating to on开发者_C百科e-another. However, I have a problem with[详细]
2023-03-15 05:13 分类:问答NSFetchResultsController object refresing
I have 2 views. One display Shopping Lists from Core Data using NSFetchResultsController. The second one displays items on this lists using simple NSFetchRequests. Both views contain UITableView.[详细]
2023-03-11 23:06 分类:问答Traversing one-to-many relationships with NSFetchedResultsControllers
I am creating an app that navigates through multiple levels of one-to-many relationships. So for example, pretend that the CoreDataBooks code sample starts with a list of genres, you click on a genre[详细]
2023-03-11 11:01 分类:问答