[root@ladb1~]#su-oracle[oracle@ladb1~]$sqlplus/nologSQL*Plus:Release10.2.0.1.0-ProductiononTueJul821:47:012014Copyright(c)1982,2005,Oracle.Allrightsreserved.SQL>conn/assysdba;Connected.查询Oracle中所有用户信息1.查看所有用户:select*fromdba_users;select*f..
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数据库 时间:
2014-07-09 08:04:43
阅读次数:
239
Description
During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Generally speaking, villages connected by tunnels lay in a...
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其他好文 时间:
2014-07-08 16:51:42
阅读次数:
506
有向图强连通分量的Tarjan算法[有向图强连通分量]在有向图G中,如果两个顶点间至少存在一条路径,称两个顶点强连通(strongly connected)。如果有向图G的每两个顶点都强连通,称G是一个强连通图。非强连通图有向图的极大强连通子图,称为强连通分量(strongly connected ...
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其他好文 时间:
2014-07-06 19:10:46
阅读次数:
230
Union-Find
动态连接问题描述:
给定一个n个序列的对象,有两种操作:
-Union command:连接两个对象;
-Find/connected query:两个对象是否连接(有路径)
算法实现方式
1.用一个数组保存着每个对象所在的connected component,这种方式可以快速进行FIND,但是在union操作时需要遍历整...
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其他好文 时间:
2014-07-02 07:10:59
阅读次数:
287
部署安装了最新稳定版hadoop2.2.0,然后在网上找来fuse-dfs编译教程,但是最后失败了,至今原因未知~~,错误描述为:Transport endpoint is not connected。后将安装部署hadoop1.2.1版本,最后测试成功,记录如下:
使用root完成一下操作:
1、安装依赖包
apt-get install autoconf automake libtool...
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其他好文 时间:
2014-06-25 08:17:08
阅读次数:
302
new function() {
var ws = null;
var connected = false;
var serverUrl;
var connectionStatus;
var sendMessage;
var connectButton;
var disconnectButton;
var sendButton;
var open = function(...
分类:
数据库 时间:
2014-06-17 19:35:50
阅读次数:
220
Supporting Connected Routes to Subnet ZeroIOS
allows the network engineer to tell a router to either allow addresses in the
zero subnet or not. The mo...
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Web程序 时间:
2014-06-13 15:04:27
阅读次数:
374
路由器A router is a device that forwards data packets
between computer networks. This creates an overlay internetwork, as a router is
connected to two or...
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Web程序 时间:
2014-06-10 11:26:26
阅读次数:
277
独立集和最大独立集:A set of vertices I ? V is called independent if no pair of vertices in I is connected via an edge in G. An independent set is called maximal if by including any other vertex not in I, the independence property is violated....
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其他好文 时间:
2014-06-10 06:30:03
阅读次数:
369
题目描述Timy is visiting a beautiful park. There are M
rivers and N lakes(marked 1-N), any two lakes are connected by at most one
river. He knows that the...
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其他好文 时间:
2014-06-09 20:57:26
阅读次数:
259