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oracle11g创建新的用户和修改最大连接数
create user test identified by root; grant create session,resource to root; alter user test account unlock; grant create view to test; grant any sequece to test; grant create synonym to ich;--创建别...
分类:数据库   时间:2014-08-10 13:00:50    阅读次数:357
std::cin
Input: Executing std::cin >> v discards any whitespace characters in the standard input stream, then reads from the standard input into variable v. It...
分类:其他好文   时间:2014-08-09 13:18:47    阅读次数:198
[leetcode]Regular Expression Matching
Regular Expression MatchingImplement regular expression matching with support for'.'and'*'.'.' Matches any single character.'*' Matches zero or more o...
分类:其他好文   时间:2014-08-08 17:59:16    阅读次数:173
php xml创建读取
Permission is hereby granted, free of charge, to any person obtaininga copy of this software and associated documentation files (the"Software"), to de...
分类:Web程序   时间:2014-08-08 17:28:26    阅读次数:393
Why do we need the copy-and-swap idiom?
Any class that manages a resource (awrapper, like a smart pointer) needs to implementThe Big Three. While the goals and implementation of the copy-con...
分类:其他好文   时间:2014-08-08 15:51:06    阅读次数:262
postgress无法远程连接问题解决方案
1 修改文件postgresql.conf 加入listen_addresses='*' 默认是localhost, '*'表示监视所有主机(any)2 修改文件pg_hba.conf 在host all all 127.0.0.1/32 ...
分类:其他好文   时间:2014-08-08 11:56:05    阅读次数:215
【LeetCode】Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy of the list. 思路:第一遍正常复制链表,同时用哈希表保存链表中原始节点和新...
分类:其他好文   时间:2014-08-07 23:22:45    阅读次数:280
一道题看bitset应用 --ZOJ 3642
题意:给n个文件,包括文件名和文件大小,然后给出k个关键词,查询包含该关键词的文件的大小总和。文件名为一些中括号括起的关键词的合集。解法:可用bitset记录每一个关键词在哪些文件中出现,然后查询即可。bitset用法如下:bitset bs;bool is_set = bs.any(); /...
分类:其他好文   时间:2014-08-07 22:33:48    阅读次数:232
Transposed Matrix
Transposed MatrixIn linear algebra, the transpose of a matrixAis another matrixAT(also writtenA′,Atr,tAorAt) created by any one of the following equiv...
分类:其他好文   时间:2014-08-07 18:52:40    阅读次数:242
hdu--2830--任意交换列的矩阵
这2天 做的都是有关矩阵的 =-=....小小矩阵 竟然有这么多 花头...这题 的特点是 We can swap any two columns any times 就是可以任意交换X列与Y列 任意次一开始 我还担心我的方法 会不会tle 看到3000ms就放心了。。。我总觉得 会有更高效的方法 ...
分类:其他好文   时间:2014-08-06 18:14:41    阅读次数:263
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