C++, Python, JS.
Algorithms, data mining, big data, network programming, signal processing, audio.
My open source audio editor with multithreaded FFT display: http://sourceforge.net/projects/audigger/
Q&A for professional and enthusiast programmers
Q&A for computer enthusiasts and power users
Q&A for information security professionals
Q&A for enthusiasts and power users of the Android operating system
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Q&A for practitioners of the art and science of signal, image and video processing
Q&A for professional and independent game developers