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时间获取程序客户端 TCP 使用非阻塞connect
/** * TCP,使用非阻塞 connect **/ #include "unp.h" int connect_nonb(int sockfd, const SA *saptr, socklen_t salen, int nsec) { int flags, n, error; socklen_t len; fd_set rset, wset; struct timeval tval; //1.调用 fcntl 设置套接字为非阻塞 flags = Fcntl(sockfd, ...
分类:其他好文   时间:2014-08-24 23:57:13    阅读次数:464
vsftpd 配置
cat /etc/vsftpd/vsftpd.conf |grep -v ‘^#‘; anonymous_enable=YES local_enable=YES write_enable=YES local_umask=022 dirmessage_enable=YES xferlog_enable=YES connect_from_port_20=YES xferlog_std_form...
分类:其他好文   时间:2014-08-24 19:37:33    阅读次数:278
数据库操作函数之连接和插入
functionconnect($hostInfo){ $link=mysql_connect($hostInfo[‘host‘],$hostInfo[‘username‘],$hostInfo[‘password‘])ordie("MysqlConnectFailed."); mysql_set_charset($hostInfo[‘charset‘]); mysql_select_db($hostInfo[‘dbname‘]); return$link; } $arr=array( "host..
分类:数据库   时间:2014-08-24 10:22:42    阅读次数:267
Android客户端连接tomcat时出错:connect failed: ECONNREFUSED (Connection refused)
public static final String BASE_URL = "http://127.0.0.1:8090/HelloWord/"...; 会抛异常Caused by: libcore.io.ErrnoException: connect failed: ECONNREFUSED (Connection refused) 解决方法: String url =...
分类:移动开发   时间:2014-08-24 00:23:51    阅读次数:530
2014/08/23 OJ出现waiting...
问题: 今天中午沛爷解决了OJ打开慢的问题以后刚走,我随后在oj上交了个题目就发现waiting了..... 问马前辈和全哥,均认为测评程序挂了,于是重启测系统,还waiting.....(测评系统的进程一直在,就是waiting) 听全哥的开始查看测评系统的日志文件: 日志文件在oj_judge/nohup.out,出现N多的ERROR:root:Cannot connect to da...
分类:其他好文   时间:2014-08-23 19:07:01    阅读次数:253
hdu1102 Constructing Roads (简单最小生成树Prim算法)
Problem DescriptionThere are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to e...
分类:其他好文   时间:2014-08-23 15:15:40    阅读次数:234
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'的解决
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'的解决原因是目录 的访问权限问题,ubuntu下用下面的命令(其他发行版用管理员权限,把sudo去掉)sudo chown -R mysql...
分类:数据库   时间:2014-08-23 15:06:40    阅读次数:220
关于Exception的问题
public function connect($h,$u,$p) { $this->conn = mysql_connect($h,$u,$p); if(!$this->conn) { $err = new Exception('连接失败'); ...
分类:其他好文   时间:2014-08-23 13:50:40    阅读次数:214
Android adb setup for ubuntu
Android adb setup for ubuntu connect the device to ubuntu, use command $sudo lsusb will display like: mean: Spreadtrum device idVendor 1782 ?idProduct 5d24 1, touch the file: ~/.android/adb_usb.in...
分类:移动开发   时间:2014-08-23 03:36:20    阅读次数:249
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