Category Archives: XCode

NSManagedObject

I’ve been discovering the intricacies of managing NSManagedObjects. These are the objects that you as a developer have to use when developing with Core Data. Because of the level of control over the lifecycle of the objects that Core Data … Continue reading

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NSXMLParser initWithContentsOfURL:

In digging around looking at errors I was getting with the NSXMLParser when using the – (id)initWithData: (NSData *)data; initializer, I discovered the – (id)initWithContentsOfURL: (NSURL *)url; initializer. This initializer handles all the connection logic without me having to deal … Continue reading

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OCMock for iPhone

Thinking about using OCMock with my Sound-Church project. First off, getting it to build is a challenge, particularly to include the library with the version running on the phone. The solution to that problem is with the linker settings. Notice … Continue reading

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The managed object model version used to open the persistent store is incompatible with the one that was used to create the persistent store.

I’ve been getting this error today when attempting to build my Sound-Church application. Couldn’t figure it out until I found this post that explained it. For iOS, look in ~/Library/Application Support/iPhone Simulator/ where version is the iOS version you are … Continue reading

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