During this year's WWDC, Apple introduced a number of significant improvements to Core Data, taking the framework to the next level. In this article, I'll...

In the previous tutorial, you learned how to define common constraints in the data model. In this tutorial, I show you how you can define more advanced...

No matter what persistence framework an application uses, the developer decides what is stored in the application's persistent store. This also means that...

Persisting data across application launches is a requirement that most iOS applications have, from storing user preferences in the defaults system to...

In the previous installments, we discussed batch updates and batch deletes. In this tutorial, we'll take a closer look at how to implement asynchronous...

Core Data is a framework I really enjoy working with. Even though Core Data isn't perfect, it's great to see that Apple continues to invest in the framework....

Even though Core Data has been around for many years on OS X and iOS, a feature that was added only recently are batch updates. Developers have been asking...

If you're developing a small or simple application, then you probably don't see the benefit of running Core Data operations in the background. However, what...

Earlier in this series, we created Done, a simple application to learn more about the NSFetchedResultsController class. In that project, we used key value...

In the previous articles of this series, we've encountered an annoying issue that we need to address. Whenever we modify the data model of a Core Data...

In this tutorial, we continue our exploration of the NSFetchedResultsController class by adding the ability to update and delete to-do items. You'll notice...

In the previous installments of this series, we covered the fundamentals of the Core Data framework. It's time we put our knowledge to use by building a...