std::call_once core的问题

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主程序保留符号给动态链接库引用

set( CMAKE_EXE_LINKER_FLAGS " ${ CMAKE_EXE_LINKER_FLAGS } -Wl,-E ")

libevent设置SOL_SOCKET后反而tcp带宽降低的问题

原因是： listen的socket需要单独设置下，不然有问题 auto fd = evconnlistener_get_fd(listener) set_socket_buffer(fd , MAX_SOCKET_BUFFER )

Login to your server as root. As the root user, edit the sshd_config file found in /etc/ssh/sshd_config : vim /etc/ssh/sshd_config ( For details on working with Vim check out our article here !) Add the following line to the file, you can add it anywhere but it’s good practice to find the block about authentication and add it there. PermitRootLogin yes Save and exit the file. Restart the SSH server: systemctl restart sshd or service sshd restart

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for {i++}

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