Xcode 9 and ERROR ITMS-4088

28. September 2017 Settings, Tools, Xcode 0
I think most of us were absolutely happy when we downloaded the Xcode 9, and started to enjoy the new features. I was happy as well, but my happiness didn’t take long. My face started to turn into a frowning face, immediately after when I wanted to upload my current project to the App Store. ...

Stay tuned, Stanford iOS10 course by Paul Hegarty is coming! [U]

12. February 2017 Beginner, Swift, Xcode 0
Update: It has been officially released: https://itunes.apple.com/us/course/developing-ios-10-apps-swift/id1198467120 One of the redditors spotted this YouTube playlist, with the first few lectures of the “Developing Applications for iOS (10), Winter 2017”. According to the videos Paul Hegarty is using Xcode 8, and Swift 3, which is a great news, due to the source code compatibility introduced in ...

Tune your header file Part 2: Nullability

In the first post I put the focus on the initializers, in this post I would like to put the nullability into the spotlight. I would also explain why is it a good practice, and how it will help you migrate your existing Objective-C code into Swift. Nullable/Nonnull The idea behind using the nullable/nonnull keyword ...