nsfetchedresultscontroller
Combine NSFetchedResultsController with custom header
I would like to know if it\'s possible to combine the NSFetchedResultsController with custom header ?[详细]
2023-03-29 11:44 分类:问答core data fetched properties and NSFetchedResultsController
I read this in the core data programming guide: In many cases, your initial fetch retrieves a starting node in the object graph and thereafter you do not execute fetch requests, you simply follow re[详细]
2023-03-29 05:15 分类:问答Efficient way to update table section headers using Core Data entities?
Im using a NSFetchedResultsController for my UITableView which displays a bunch of events im storing in core data.[详细]
2023-03-28 08:14 分类:问答How To Search Full Core Data Database
I have a search function that I want to search my whole core data database. I have 4 entities, all of which are subclass of NSManagedObject MedicalCode.[详细]
2023-03-28 03:39 分类:问答NSFetchedResultsController Creating Sections
When using the NSFetchedResultsController to create section headers for the UITableViewController the fetchedResultsController.sections has an object for each item not each section.[详细]
2023-03-27 20:27 分类:问答Changing core data predicate from setEditing
My app maintains a list of data of which some rows may be hidden by the user.The hide/show button is in an editing panel that is accessed by putting the tableview into editing mode and then selecting[详细]
2023-03-27 07:13 分类:问答is it possible to get distinct results when using an NSFetchedResultsController?
开发者_Go百科I have a product search that searches the ProductCategories my products are in, sometimes my products are in multiple categories which gives me duplicate results.I don\'t want to search t[详细]
2023-03-26 07:24 分类:问答Confusion with NSFetchedResultsController
Hi I have a evolving core data model setup as follows: lookup -> detail -> itemDetail lookup is at the top level and for every 1 entity there can many in detail and for every entity in detail there[详细]
2023-03-26 06:52 分类:问答NSPredicate filtering with NSManagedObject's helper method
I have a UITable view which contains a list of NSManagedObjects called Assignment. I am using NSPredicate to filter the list.[详细]
2023-03-26 03:08 分类:问答Query for every nth element in core data
How do I query for every nTh (or just e开发者_StackOverflowvery second) Element in Core Data? Here is what I would do in SQL:[详细]
2023-03-25 09:16 分类:问答