Using NSOutlineView + NSTreeController + Core Data is resulting in odd outline view layout. As you can see in the images below, the outline view creates a space for the \'Child\' when the \'Parent\' i
This is the strangest error. The internet suggests that this is an issue with targeting Tiger; except that I\'m actually targeting iOS 3 and 4.
When I retrieve an entity from the one side of a one-to many relationship, I create a mutable array from the set that is the collection of entities from the relationship. I manipulate, edit or otherwi
I\'m having a problem understanding how to use my core data generated NSManagedObject. Category.h: @class Product;
My NSManagedObject says Tag has 2 To－many relationships，says posts and children. And I let Xcode 4 to generate NSManagedObject subclass for it.But I find that only one relationship can return the co
I am introducing in my coreData DB some objects. The problem is that it is quite slow(8-10 seconds) although i am introducing only 50 records.
My Cocoa/Application has a Managed Object Context on the main thread. When I need to update my data my program will:
I am implementing \"duplicate\" functionality in my iOS application. I\'m using the following workflow:
I have a NSTreeController (treeController) and a CoreData database. I want the entity behind the selected object of my NSTreeController.
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
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