Tutorials
pthreads
Some links
https://computing.llnl.gov/tutorials/pthreads/
www.opengroup.org/austin/papers/posix_faq.html
www.unix.org/version3/ieee_std.html
http://rosettacode.org/wiki/Main_Page
http://www.cplus-interview-questions.blogspot.com/
http://www.parashift.com/c++-faq/
Design Patterns
http://sourcemaking.com/design_patterns