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Netstat命令介绍
Netstat命令介绍Netstat命令用于显示各种网络相关信息,如网络连接,路由表,接口状态(InterfaceStatistics),masquerade连接,多播成员(MulticastMemberships)等等。输出信息含义执行netstat后,其输出结果为[root@clientA~]#netstat ActiveInternetconnections(w/oservers) P..
分类:Web程序   时间:2015-02-27 01:35:34    阅读次数:288
hdu 4463 Outlets Prim 次小生成树 简单题
Problem Description In China, foreign brand commodities are often much more expensive than abroad. The main reason is that we Chinese people tend to think foreign things are better and we are willing to pay much for them. The typical example is, on the Uni...
分类:其他好文   时间:2015-02-23 15:32:28    阅读次数:231
hdu 1301 Jungle Roads 一个很水的题 AC率也可以知道了 但是题目很难理解啊 英语渣o(╯□╰)oKruskal算法
The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads between villages some years ago. But the jungle overtakes roads relentlessly, so the large road network is too expensive to maintain. Th...
分类:编程语言   时间:2015-02-23 15:31:52    阅读次数:212
SQLite从什么版本开始支持外键(Foreign Key)
http://androidren.com/index.php?qa=298&qa_1=sqlite%E4%BB%8E%E4%BB%80%E4%B9%88%E7%89%88%E6%9C%AC%E5%BC%80%E5%A7%8B%E6%94%AF%E6%8C%81%E5%A4%96%E9%94%AE-foreign-key 从SQLite 3.6.19 开始支持 外键约束。 参考: ...
分类:数据库   时间:2015-02-12 12:29:22    阅读次数:182
SpringSecurity 3.2入门(8)自定义权限控制数据库设计
SET FOREIGN_KEY_CHECKS=0;-- ------------------------------ Table structure for t_system_authority_info-- ----------------------------DROP TABLE IF EXI...
分类:数据库   时间:2015-02-11 16:15:43    阅读次数:157
mysql添加外键
为已经添加好的数据表添加外键:语法:alter table 表名 add constraint FK_ID foreign key(你的外键字段名) REFERENCES 外表表名(对应的表的主键字段名);例: alter table tb_active add constraint FK_ID f...
分类:数据库   时间:2015-02-05 11:02:40    阅读次数:129
UVA 10763-Foreign Exchange(求入度出度是否相等)
Foreign Exchange Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Description Problem E Foreign Exchange Input: standard input Output: standard out...
分类:其他好文   时间:2015-02-04 21:53:38    阅读次数:349
netstat
~]# netstat -lnpActive Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program n...
分类:Web程序   时间:2015-02-04 16:27:10    阅读次数:175
UVA10763:Foreign Exchange&&UVA10340: All in All(水题)
10763:水题不解释直接贴代码。#include #include #include #include #include #include #define eps 1e-9typedef long long ll;using namespace std;int n;int d[500100];in...
分类:其他好文   时间:2015-02-04 00:26:12    阅读次数:218
mysql关闭/启用外键约束
1、有时为了导入数据方便,需要临时关闭外键约束mysql>SET FOREIGN_KEY_CHECKS=0;2、打开外键约束mysql>SET FOREIGN_KEY_CHECKS=1;3、查看FOREIGN_KEY_CHECKS变量mysql>select @@FOREIGN_KEY_CHECKS...
分类:数据库   时间:2015-01-31 20:34:42    阅读次数:200
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