Apple's watchOS 2 Introduces WatchKit Apps and Extends Hardware Support

At WWDC 2015 Apple announced watchOS 2, which brings new features and capabilities for apps “to integrate even more closely with Apple Watch” by allowing access to the Apple Watch home screen, digital crown, microphone, etc.

GitHub Revoked Compromised and Unsecure SSH Keys

GitHub has recently started revoking SSH keys that were deemed to be compromised or otherwise insecure. Systems engineer Ben Cartwright-Cox was the author of the research that uncovered the issues. InfoQ has spoken with him.

How NGINX Achieves Performance and Scalability

Owen Garrett, heads of products at Nginx, Inc., has described on Nginx’s blog which design decisions allow NGINX to provide top-in-class performance and scalability.

How to Improve Android App Performance

Performance is key to mobile apps. Google provides a lot of training material to improve performance in Android apps. A brief overview of tips and techniques.

Protocol-Oriented Programming in Swift

At WWDC 2015, Dave Abrahams, of C++/Boost fame and now lead of the Swift Standard Library group at Apple, introduced Swift as a Protocol-oriented language, and showed how protocols can be used to improve your code.