nsfetchedresultscontroller
Core Data: Background fetch, NSFetchedResultsController and Sorting time
the problem I am encountering is the following: I have a UITableView which I feed with data from an NSFetchedResultsController which retrieves around 6000 rows from core data. The fetchBatchSize of t[详细]
2023-02-25 17:00 分类:问答Search NSFetchedResultsController using NSPredicate
I\'ve been stuck on this problem for a while now and have tried my best to work out a solution. I am using Core Data and, being relatively new to iOS coding, I\'m having some trouble working out how[详细]
2023-02-25 10:45 分类:问答How can I sort my UITableView alphabetically with NSFetchedResultsController?
When the user presses \"sort alphabetically\", I call the following method for my table: - (void) sortByName[详细]
2023-02-24 23:27 分类:问答Create NSFetchedResultsController managing entities with many to many relationship
I have an entity called Project and another entity called Employee. Employees work on multiple projects.[详细]
2023-02-24 13:31 分类:问答NSFetchedResultsController Delete All
AcaniChat, like the native iPhone Messages app, has a method to clear all messages: for (Message *message in [fetchedResultsController_ fetchedObjects]) {[详细]
2023-02-23 15:15 分类:问答Error on second save of NSManagedObjectContext (deallocated insance)
I\'ve read several threads dealing with similar issues on here, but I just can\'t figure out what I am over-releasing.From a detail view controller for a Player object, I push a UITableViewController[详细]
2023-02-23 12:43 分类:问答Filtering NSFetchedResultsController results at runtime
What\'s the best way to implement runtime filtering of Core Data objects using N开发者_如何转开发SFetchedResultsController?[详细]
2023-02-22 12:42 分类:问答Sorting Core Data objects by transformable attribute with NSFetchedResultsController
I\'m displaying objects stored in Core Data in a UITableView and am having problems sorting these objects by one of the object\'s transformable attributes. I should point out that I\'m using an NSFetc[详细]
2023-02-22 09:07 分类:问答NSFetchedResultsController creates extra empty rows when using "!=" predicate
I have a UITableViewController which is populated by an NSFetchedResultsController.My CoreData entity has an attribute called \"submitter_id\".Depending on how my controller is initialized, I want to[详细]
2023-02-20 09:29 分类:问答Using NSFetchedResultsController to get a random object
I woul开发者_运维知识库d like to fetch a random object from a fetch request that I am using NSFetchedResultsController with.This is what I had:[详细]
2023-02-20 05:25 分类:问答