core-data

Help with "Cannot perform operation without a managed object context"

I have an NSViewController with its own nib that requires access to the managedObjectContext to display objects in a tableview. This is how I have the managed object context set up in my view controller: @interface { ... NSManagedObjectContext* managedObjectContext; ... } @property (nonatomic, retain) NSManagedObjectContext...

CoreData Performance and Field Autocomplete

I have this remote database of artists. About 6,000 entries for now. I want my app to: download a JSON-formatted index of the artist names (~95kb) import that data to CoreData provide suggestions/auto-complete when the user adds a new artist I've done this before, but not on such a big scale. Will it become problematic when the dat...