β Low Level Programming (CFHipster)
β Debugging (LLDB, LLVM)
β Reverse Engineering
β Security
β Source Control: git
β REGEX
β Terminal Usage
β Dynamic and Static Frameworks
β Objective-C basics
β Build Config
β Caching / Persistance
β State Machines
β Refactoring Techniques
β Print / NSLog
β Why your 0.3 MB image occupies around 10 MB on RAM?