NSAttributedString

Debugging NSAttributedString Using a Block to Print Attributes [iOS developer:tips];.

LibTooling

A lib to create source analyzers: LibTooling — Clang 3.4 documentation from “Using Clang as a Library” in http://clang.llvm.org/docs/index.html.

Matt D. Smith

Cool design: light but clear – Dribbble – Matt D. Smith.

Also a good solution for merging label and placeholder in an elegant way (FloatLabeledTextField).

A series of post about Objective-C runtime implementation

1. Intro to the Objective-C Runtime
2. Objective-C Messaging
3. Objective-C Message Forwarding