Working on canvas: Hit-testing circles (HTML and JavaScript)

Working on canvas: Hit-testing with JavaScript and HTML5

A year of thinking in circles: 2015 (Xcode 6.1)

Bytes for Beginners: XOR encryption and decryption (interactive example)

Bytes for Beginners (Part V.iv): XOR (^)

Bytes for Beginners (Part V.iii): OR (|)

Bytes for Beginners (Part V.ii): AND (&)

Becoming less afraid of unsafe mutable pointers in Swift (Xcode 6.0.1)

Downloading webpages with all linked subfolders and files in OS X 10.9 (Mavericks)

Swift by Numbers: The long and the short of it (Xcode 6.0.1)

Playing with the Primitives: Characters, chars and strings in Swift and Objective-C (Xcode 6.1)

Understanding UTF-8, UTF-16, Endianness and the BOM (Byte Order Mark)