Once you've developed your iOS or OS X app, it's time to submit it to Apple for release in the App Store. This process is done through iTunes Connect, which...

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...

With iOS 7, we saw a shift in Apple's design paradigm for mobile devices. Not only did they adopt the so-called flat design, Apple also added a few elements...

Apple originally introduced push notifications to enable applications to respond to events if the application isn't running in the foreground. However, the...

A proper plugin architecture can mean all the difference for an integrated development environment. Sublime Text and TextMate are great examples. Did you...

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...

When creating your application's user interface, you need to be aware of how it will look in portrait and landscape and on different screen sizes. And now...