摘要： ffmpeg -y -f x11grab -s 1920x1080 -framerate 30 -i :0 -f pulse -i alsa_output.pci-0000_00_1b.0.analog-stereo.monitor -vf 'setpts=(RTCTIME-RTCSTART)/(T 阅读全文

摘要： Range Conent-Range Accecp-ranges 阅读全文

摘要： JSON在解析时，默认将数值解析为float64类型。 阅读全文

摘要： 《1》创建追加类型的文件到FastDFS storage_upload_appender_by_filename | storage_upload_appender_by_filebuff | storage_upload_appender_by_callback 返回group_name remo 阅读全文

摘要： 测试环境： CentOS release 6.2 (Final) 测试用例一： ET模式下，EPOLLOUT事件的触发 setup1 事件注册： epoll_ctl( epfd, connfd, EPOLLIN|EPOLLOUT|EPOLLET ) setup2 触发： telnet 连接后，发送两 阅读全文

摘要： Slice types A slice is a descriptor for a contiguous segment of an underlying array and provides access to a numbered sequence of elements from that a 阅读全文

摘要： 配置文件：/etc/ssh/sshd_config ClientAliveInterval Sets a timeout interval in seconds after which if no data has been received from the client, sshd(8) wil 阅读全文

摘要： SELECT(2) Linux Programmer's Manual SELECT(2)NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO - synchronous I/O multiplexingSYNOPSIS /* Accordi 阅读全文

摘要： 问题： [root@localhost ~]# yum updateError: Cannot retrieve repository metadata (repomd.xml) for repository: fedora. Please verify its path and try again 阅读全文

摘要： EPOLL_CREATE(2) Linux Programmer's Manual EPOLL_CREATE(2)NAME epoll_create, epoll_create1 - open an epoll file descriptorEPOLL(7) Linux Programmer's M 阅读全文