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...

In the previous article, we learned about NSManagedObject and how easy it is to create, read, update, and delete records using Core Data. However, I didn't...

With everything about Cora Data data models still fresh in your mind, it's time to start working with Core Data. In this article, we meet NSManagedObject,...

In the first article of this series, we learned about the Core Data stack, the heart of a Core Data application. We explored the managed object context, the...

The Core Data framework has been around for many years. It's used in thousands of applications and by millions of people, both on iOS and OS X. Core Data is...

Faults are an essential component of Core Data. Even though the term sounds ominous, faults are inherent to the life cycle of a Core Data record. In this...

Most of us use open source libraries on a daily basis. With CocoaPods, managing dependencies in a Cocoa project is virtually painless. In some situations,...

You don't know what you have until you lose it. We all know what it means, but we often forget that it also applies to our health. In no way is this article...

At one point or another, you will run into a crash caused by EXC_BAD_ACCESS. In this quick tip, you will learn what EXC_BAD_ACCESS is and what it is caused...

Creating a mobile application for multiple platforms requires a different approach than, for example, creating a desktop or web application. What does it...

In the early days of iOS, tools to facilitate testing were not a major focus of Apple's Developer Tools team. This has gradually changed over the years with...