python metaclass programming

http://eli.thegreenplace.net/2011/08/14/python-metaclasses-by-example/

python call external commands

找到stackoverflow一篇還不錯的介紹

http://stackoverflow.com/questions/89228/how-to-call-external-command-in-python

now.in

裡面講到了好多python的library
http://flask.pocoo.org/
https://pylonsproject.org/projects/pyramid/dev/
http://code.google.com/p/python-gluttony/wiki/Gallery
http://celeryproject.org/
http://twistedmatrix.com/trac/

gcc trampolines

gcc manual:
http://gcc.gnu.org/onlinedocs/gcc/Nested-Functions.html
http://gcc.gnu.org/onlinedocs/gccint/Trampolines.html

blog:
http://chenyufei.info/blog/2011-02-28/wrap-c-function-closure-gcc-nested-function/
http://blog.linux.org.tw/~jserv/archives/2010/07/gcc_nested_func.html
http://www.hokstad.com/how-to-implement-closures.html
http://www.airs.com/blog/archives/518