A PAINLESS GUIDE TO CRC ERROR DETECTION ALGORITHMS CRC校验理论与实践的经典教程，Ross写的。-A PAINLESS GUIDE TO CRC ERROR DETECTION ALGORITHMS CRC checksum of the classic theory and practice tutorials, Ross wrote.

关于vcs破解的过程中，关于具体生成license的图文教程。(In the process of VCs cracking, a tutorial on the specific generation of license.)