I enjoy learning about web graphics (HTML5 canvas, WebGL), video encoding (FFmpeg), GPU acceleration, security vulnerabilities and mitigations, reverse-engineering, etc.
Q&A for professional and enthusiast programmers
Q&A for computer enthusiasts and power users
Q&A for power users of Apple hardware and software
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for Ubuntu users and developers
Q&A for linguists, etymologists, and serious English language enthusiasts
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Q&A for professional programmers interested in conceptual questions about software development
Q&A for people studying math at any level and professionals in related fields
Q&A for apps, scripts, and development with the Stack Exchange API
Q&A for system and network administrators
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for passionate videogamers on all platforms
Q&A for programming puzzle enthusiasts and code golfers
Q&A for students, researchers and practitioners of computer science