System developer, some C++, some Delphi, some C#, a little VBA and some things in-between. Probably have related OCDs...and more... :)
Mainly using Stackoverflow to find answers, ask questions that interest me (or when I'm stuck, that is) and editing faults in others' questions to contribute to a cleaner and more pleasant Stackoverflow experince.
On my spare time...[still left to discover this phenomenon].
Stack Overflow
Q&A for professional and enthusiast programmers
Academia
Q&A for academics and those enrolled in higher education
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Super User
Q&A for computer enthusiasts and power users
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites