Working, studying, analyzing languages (C, GO, Rust, Python, Racket, Lisp, Javascript, ...), operating system (GNU/Linux), tools (Apache2, mod_wsgi, ...), Database (SQLite, PostgreSQL), editors (Vim, Npp, PyCharm, ...), Web tools (Opera, Firefox, Chrome, HTML5, CSS3, JQuery, W2UI, ...). Relaxing in mathematics and physics (mechanichs, solid state, electromagnetism, ...). Research in number theory. Enjoying English, French, German, Spanish literature and classical music.