Introduction to the concept of Semaphores

Yesterday I managed to grab some screenshots of a video calling UI on Instagram. This is the story of how that happened. I think the…

UIWebView is something Apple already deprecated, and it is the API most developers complain about its performance — without native code…

Storyboards can get a bad rap, but are a helpful tool. Here's how to use them to your advantage and avoid common conflicts.

Event-driven network application framework for high performance protocol servers & clients, non-blocking. - apple/swift-nio

Anyone who has ever implemented dynamic lists in iOS will probably know that the official approach has some difficulties. Datastore and…

Objective-C and Swift interoperability with PSPDFKitSwift

Using enums for API design

Security is very important in iOS development. In this tutorial, learn basic iOS Security techniques including accessing the keychain and hashing values.

As a budding computer scientist, you no doubt have heard of design patterns in your classes and learning paths. Design patterns are…

How Designers Can Help Prevent Visual Glitches in iOS Apps

Practical suggestions to improve your UI micro-interactions.

NSString is the crown jewel of Foundation. But as powerful as it is, one would be remiss not to mention its toll-free bridged cousin, CFMutableString—or more specifically, CFStringTransform.

Interesting dive into practices how to use 'self' keyword in Swift. Should you omit or always use 'self'? Find out the reasons and answer.