I'm a scientist who usually writes code in Fortran and runs it on Linux clusters. Occasionally, I'll write in java for use in browser apps.
Q&A for professional and enthusiast programmers
Q&A for active researchers, academics and students of physics
Q&A for Ubuntu users and developers
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for professional programmers interested in conceptual questions about software development
Q&A for meta-discussion of the Stack Exchange family of Q&A websites