I am searching 350 dictionary objects. Would it be more efficient to store the data in Core Data o开发者_如何学Pythonr a plist for searching?
I have made the mistake when starting the coding an iPhone App of not adding a prefix to my classnames, and as such have a conflict (A CoreData class called Category). The project build fine until the
I have a predicate predicate = [NSPredicate predicateWithFormat:@\"character.id IN %@\", indexs]; it generates the following SQL:
I have a very simple (beginner) application to which I want to add persistence. Using XCode 4.2 when I created the Project there was no \"Use CoreData option\" so now that I have my views and everythi
I\'m trying to create a Mac OS Core Data application that has an array of parent objects (called Levels) each of which contains a collection of child objects (called Blocks) via a one-to-many relation
I am working with several NSManagedObject types with several relationships. How can I tell Core Data to automatically populate object IDs for me? I\'m looking for something like an index key in SQL, s
Is it possible to generate a .xcda开发者_开发知识库tamodel (CoreData data model) from an existing SQLite database file?
In my Garbage Collected Mac application I\'m experiencing significantly high memory usage as a result of a helper function I put together to delete all Core Data entities of a particular type. Here\'s
When using a background thread to update Core Data, is there a way to replace the mainNSManagedObjectContext with the updated context开发者_如何学C from the background thread rather than callingmergeC
I want to know how can i share sqlite database between two of my application. Can i 开发者_StackOverflowhave any brilliant ideas from you guys ?Sandboxing in iOS won\'t allow files to be shared betwee
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