All is in the question, i would if it is possible to look in a NSManagedObjectContext in orde开发者_开发百科r to look how many Entity is actually in etc.If you want to browse the contents of your cont
I am getting this error message (and subsequent crash) in Xcode organiser that I suspect is related to a Core Data migration that takes too long to complete:
I have an iOS application where I use coreData to store my \"documents\". They all share a common NSManagedObjectContext, and I frequently save the context.
Suppose I create a new project with core data. A project with a root view controller. By default, Apple adds a self.managedObjectContext reference to this main viewController.
I\'ve got an application (iPad & Mac Lion) which uses CoreData for its storage. The app imports data from a number of hardware devices, decodes the data into a number of discrete events, and prese
I have a Table with 50,000 records (table has 8 columns). I need to display only 开发者_运维问答1st column on the Table. I need an array which contains all data from Table only from 1st column. How to
My table view is populated from an array containing data in the core data, I want to delete rows while updating the core data correspondingly, here is my code of deletion.
I have created the Core Data app that is outlined in this tutorial by Apple using XCode 4. All works fine however when I save the document and reopen it the document window is empty and no data is sho
I have simple model with 2 entities House and Flat. House has to many relation to Flat. Flat has attributes like number and description.
I need to use core data to persist data for my p开发者_如何转开发roject, what I have done so far compiles well, but when I actually start storing things using core data, the program just quits, and I