Marc Prud'hommeaux talks about his experience using Apple's Swift language, both to write new code and port an existing Objective-C code base. Also: immutable data structures, concurrency, and more.
Saul Mora explains why Design Patterns are useful for mobile developers to understand (iOS) APIs, the power of Objective-C, mobile development trends, the difference between iOS and Android, and more.
Graham Lee discusses how to design and write secure (mobile) applications, the concept of sandboxing in general and on OS X, Objective-C and Smalltalk, and much more.
Mike Lee and Brian LeRoux discuss how patents affect app developers and approaches to keep away patent trolls. Also: when to choose native GUIs over web GUIs for mobile apps - and when not.