I know a little bit about a lot of languages. I have written more code than I have read. I am an object-capability security enthusiast, when I'm not making games and simulations.
I am currently working for Google on the Caja project for web content sandboxing. Note: Unless stated otherwise, my posts on this site do not speak for Google or the Caja team.
Game Development
Q&A for professional and independent game developers
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Ask Different
Q&A for power users of Apple hardware and software
Mathematics
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Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Physics
Q&A for active researchers, academics and students of physics
Electrical Engineering
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Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Personal Finance & Money
Q&A for people who want to be financially literate
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Bicycles
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Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Server Fault
Q&A for professional system and network administrators
Programmers
Q&A for professional programmers interested in conceptual questions about software development
TeX - LaTeX
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LEGO® Answers
Q&A for LEGO® and building block enthusiasts
Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts