some nice links about cad/cam

http://www.cs.purdue.edu/homes/cmh/

How to setup opencascade

http://www.opencascade.org/org/forum/thread_14581/

Ubuntu 10.04

kernal: 2.6.32-21-generic

After installation, how to login as root:

1. In the terminal:

sudo passwd root

then, set the password

2. In the termainal:　

　jay@Ubuntu~$ gksu /usr/sbin/gdmsetup

3. Log out then login with username: root

4. go to terminal, now, it's:

root@ubuntu:~#

How to check source code:

http://www.sooset.com

difference between char[] and char*

http://bytes.com/topic/c/answers/659927-difference-b-w-char-arr-char-pointer

excellent designpattern code snippets!

http://dotnet-snippets.de/dns/c-code-snippets-for-the-gang-for-four-gof-design-patterns-SID1285.aspx