dabao_2008的专栏

If it is not necessary, please donot do this. But sometimes you have to do it, for example you developed java applet in the past, now as .net 3.5 and WPF is released, your boss might ask you devel

1. If you want to install certificate in your machine, you can directly input such commands in the command prompt window as followings:     Certmgr /add penn.cer /s Root                            /