I have an UITableView populated by a NSFetchedResultsController. The initial fetch works fine. I can add, remove, modify, etc with zero problems.. But I want to add user-defined sorting to the table.
I have a database of 50,000 records.I\'m using core data to fet开发者_如何学Cch records from a search.A search could return 1000 records easily.What is neededto page through these records using core d
I\'ve always created my NSFetchRequests entirely in-code.Now I\'m looking at the Xcode GUI for building a fetch request and storing it in the model.
I\'m trying to find the oldest date in a particular attribute in Core Data.I\'ve found an example in the Core Data Programming Guide that purports to do exactly that, but keep getting an unrecognized
I\'m working on the app that uses CoreData. There is location entity that holds latitude and longitude values. I\'d like to fetch those entities sorted by distance to the user\'s location.
Prior art which doesn\'t quite address this: Core Data Migration error message "'Model does not contain configuration 'XYZ'.'"
In the following code: - (NSMutableArray *) fetchNotesForGroup: (NSString *)groupName { // Variables declaration
I have a case where i have three entities with one-to-many a开发者_如何学Gond one-to-many relationships:
I seem to recall that it\'s possible to return the resulting object count from an NSPredicate in CoreData without actually performing a fetch, but I can\'t find any reference to this.
In my iPhone Core Data app I have it configured in a master-detail view setup. The master view is a UITableView that lists objects of the List entity. The List entity has a to-many relationship with
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