我试试看:
pip install numpy
我明白了:
The directory '/home/teoman/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
pip is c
我可以连接到星号MySQL数据库(asteriskcdrdb),一切正常。星号服务器位于我的局域网。我可以用Mysql客户端应用程序从我的计算机连接到这个数据库。
现在,我想连接这个数据库从另一个服务器,把互联网托管。我在ADSL调制解调器上设置了端口以连接到此数据库,但无法连接并获得以下错误:
[08S01]
Communications link failure
The last packet sent successfully to the server was ۰ milliseconds ago. The driver has not received any pa
如题,进入域名提示dial tcp 192.168.217.1:80: connectex: No connection could be made because the target machine actively refused it.访问不了..是必须要域名备案吗 谢谢各位朋友和大佬帮忙 本人小白一枚 谢谢谢谢