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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...A:
将vi /usr/local/courier-authlib/etc/authmysqlrc中参数后的空格删除即可
QUOTE:
Q：
编译pam_mysql：
[root@mail src]# tar -zxf pam_mysql-0.5.tar.gz
[root@mail src]# cd pam_mysql
修改pam_mysql.c的源代码，去掉调试消息：
[root@mai...
std::string截取字符串，截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术
...p:portstd::string ip("127.0.0.1:8888");int index = ip.find_last_of(':'); 获取ipip.substr(0, index).c_str(); 获取portip.substr(index + 1).c_str();std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1...
低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 - App Inventor 2 中文网 - 清泛...
...而SPP适用于需要大容量数据传输的应用，例如音频设备、文件传输等。看功耗需求：如果你的应用对功耗有严格要求，需要长时间运行，并且传输的数据量较小，那么选择BLE是明智的。如果你的应用对功耗要求不高，但需要高速...
问一下文本朗读器 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...的安卓系统好像都这样请求一下这个声音权限试试我让其获取了声音和读取媒体声音的权限，但是依旧没有进行朗读行为.依旧得靠伴侣模式才能朗读我让程序请求了媒体声音和权限的声音.但是打包apk还是没有朗读的声音.依旧得...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...
An operation on a socket could not be performed because the system lac...
...d not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看...