I am a novice in Objective-C; and I could not find any solution in my Books or internet. My question: What are the most efficient and fastest ways to use already compiled .mom and SQLite db without h
I have some trouble with a core data project. I have a NSArrayController with NSManagedObjects in it, and + / - buttons. If i delete a object in the row after the file has been saved it works perfectl
I am using core data in my iPhone app. I have created a simple class Friend, which derives from NSManagedObject and which uses the following property:
Usin开发者_运维百科g CoreData (on an iPhone app) I generated my entity classes from the model and I added some more methods to some ones. It appears that sometimes I get an exception for calling one o
So I have a couple properties that are common across several of my Core Data entities. Notes, URL, etc.
after I insert a ManagedObject into a context I\'d like to fetch it later but before saving the context (I\'d save after all objects are inserted). It appears that querying the context later with开发者
I have app that stores tree structure in CoreData. There is an ManagedObject, \"Item\", and it has 开发者_运维知识库attributes:
I am using a tableview with data from coredata using nsfetchedresultscontroller. When the view loads i make a new entity using
I don\'t understand the output of NSLog for the array returned by a NSFetchRequest. I\'m reading my database and placing the contents in an array, looping through the array and then outputting the c
Something strange is going on with my iphone app. I am using Core Data to store data in a SQLite database. The first time after my app starts up I try to read a table to return all of the rows to fill
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