I am working on a application in which we are using x.x.xcdatamodel. Now in same x.x.xcdatamodel I have added an attribute in one of the entity. The application crashes showing the message "This NS...

I have several Core Data model version that I have added to my .xcdatamodeld file, and this last version that I added did not show up at the top of the list as it normally does, it is the 2nd item ...

I want to do Lightweight migration in core-data. I am adding an attribute to an entity which is working well. But I want after this particular migration that entity's data (all objects contained i...

How can I delete an old Data Model in Xcode? The option is disabled on the menu. (The models I want to delete have not been released to the public - they are interim development models.)

In my xcdatamodel two new fields, byTitleIndex and compoundIndex, are showing under Fetch Index Elements. I have not seen this section before in Xcode. What is a Fetch Index Element?

I am having troubles integrating XMPP on my iOS Project using Xcode 4.4 under Mac Mountain Lion OS X. I followed every step but I got stuck with this problem: Command momc failed with exit code ...

I'm using NSPersistentContainer to access my core data in iOS10 app and Xcode 8. Similar to Entity, I added a "UserFetchRequest" in my Coredata xcdatamodel. Below is the screen shot. How can I ...

I just want to add a column on a table for my new version of my app, and keep the filled columns. So I work with Core Data, this is my momd: On my appDelegate: /* CORE DATA */ // MARK: - Core ...

I have an entity in my "ProjName.xcdatamodel" with the name "Questions". In this entity I have 5 attributes ("icehockey","volleyball","soccer",...), each with type transformable. Each row (attribut...

I'm trying to use Mogenerator in my iOS project developed in Xcode 5. I've installed Mogenerator with brew: brew install mogenerator then link: brew link mogenerator After that I have access ...

As I understand it RestKit provides integration with Apple’s Core Data framework, making and populating Core Data associations for you, allowing natural property based traversal of your data model....

I have a problem with a Data Model using Core Data. 1/ I've created a data model on xcode 4.1 (on lion) with my entities and their relationships. In the inspector on the right i've checked "Tools ...

I still have an xcdatamodel file. However, when I created a new project, xcode generate an xcdatamodeld file (with a d). I want to convert my xcdatamodel file into xcdatamodeld file. I know that ...