iOS developer from Berlin.
I also offer occasional courses in iPhone and iPad development (in German).
Q&A for professional and enthusiast programmers
Q&A for professional, enthusiast and amateur photographers
Q&A for professional system and network administrators
Q&A for professional programmers interested in conceptual questions about software development
Q&A for power users of Apple hardware and software
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for computer enthusiasts and power users
Q&A for peer programmer code reviews
Stack Exchange Network staging zone, where users come together to build new Q&A sites