Important differences between UIButton, UIBarButtonItem, and UITabBarItem in iOS (Xcode)

Collections: Dictionaries, Arrays, Lists and Maps in iOS, Windows Store apps and Android

Numerical: Calculator Without Equal

UITableView (iOS; ObjC and Swift 3, Xcode 8), ListView (Windows Store apps) and ListView (Android)

Tech debate: Whether or not Microsoft should fork (or adopt) Android

Coding Native Text: NSAttributedStrings (iOS), RichText (Windows Store apps) and Spannables (Android)

Classes and Constructors in iOS, Android and Windows Store apps

Changing the background colour in iOS (Xcode), Windows Store apps (Visual Studio) and Android (Eclipse)

Sending a message to the Console in Xcode (iOS), Eclipse (Android) and Visual Studio (Windows 8)

Going native with JSON: iOS, Android and Windows 8

Android through the eyes of iOS: The app lifecycle and how to make things happen (Part 3)

Android through the eyes of iOS: Object classes and class extension (Part 2)

Android through the eyes of iOS: Classes and Methods (Part 1)

JSON and the JavaScriptCore Framework (Xcode/iOS)

Some useful GREP to help recycle content.opf and toc.ncx elements in an EPUB 3 toc.xhtml file