I use Stack Overflow quite a bit to research questions and to ask a few as well. I also visit some of the other Stack Exchange Q&A sites, like English Language and Usage, Webmasters, Graphic Design, Wordpress, Skeptics, Ask Ubuntu, and Fitness and Nutrition.
My programming ventures began way back during the days of BBS's, and eventually evolved into website development. For the most part I use PHP, the old-school way, but I am trying to grasp JQuery, OOP, MVC and the Yii Framework more recently.
I would like to think my programming is just a hobby, but if you measure a hobby by the time spent doing it, then this must be more than a hobby! I enjoy the challenges of programming. and it keeps my mind occupied. I am always eager to learn and will answer a few questions too, but I am definitely more of a student than a teacher!
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Stack Overflow
Q&A for professional and enthusiast programmers
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
User Experience
Q&A for user experience researchers and experts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Philosophy
Q&A for those interested in logical reasoning
Personal Productivity
Q&A for people wanting to improve their personal productivity
Personal Finance & Money
Q&A for people who want to be financially literate
Chinese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Japanese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language