So I have the following structure.Basically a tree view. Each node has a set (NSSet of nodes), each node is a object that contains an NSD开发者_如何学运维ate.
I read the doc of course, but I don\'t quite get the meaning of \"setting up any sections and ordering the contents\".
In my app, I have the following CoreData model : a Foo has many Bar Entities : Foo <---->> Bar. To add a new Foo entity, I create a new MOC in which I create a new instance of Foo. This displays t
When loading an existing document开发者_如何学JAVA using NSPersistentDocument, as part of initialization I\'d like to prepare some content:
I have a CoreData/SQLite application in which I have \"Parent Categories\" and \"Categories\". I do not have control over the data, some of the \"Parent Categories\" values have trailing white spaces.
Ok as the title suggests, I am trying to insert more rows in a uitableview when the user scrolls to the bottom of the list. The whole reason is to lazily load the data for performance reasons with a l
I\'m new to iOS. My requirement is to collect several error strings from inside the app and periodically post them to my web service. Each error is a simple NSString ~100 characters long. I may accumu
I have to download multiple files from Server in background process. for this i am using NSOperationQueue. During download i need to maintain when download has started & completed. For this i have
#00x345bbc98 in objc_msgSend () #10x35cd3616 in -[_PFManagedObjectReferenceQueue _processReferenceQueue:] ()
I have an xcode project that has 4 targets (2 apps, 1 iPhone and 1 iPad version for each). I have recently implemented Core Data Lightweight Migration.