Student in Mathematics & Computer Science.
Three things I like about stackoverflow (and stackexchange in general): the license currently used (cc by-sa 3.0 with attribution required), the possibility to download the databases of all stackexchange websites and the abscence of registrationwall.
Interesting documents related to the C language:
- Understanding Integer Overflow in C/C++
Interesting documents related to software licensing:
- SQLite page on copyright