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Oracle Flashback(flashback table或drop)
在Oracle 10g中,Flash back家族分为以下成员:Flashback DatabaseFlashback DropFlashback TableFlashback Query(分Flashback Query,Flashback Version Query,Flashback Tran...
分类:数据库   时间:2014-07-23 16:50:01    阅读次数:338
Matrix 二维树状数组的第二类应用
MatrixTime Limit:3000MSMemory Limit:65536KTotal Submissions:17976Accepted:6737DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i,...
分类:其他好文   时间:2014-07-23 14:47:26    阅读次数:265
3 Sum leetcode java
题目: Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum...
分类:编程语言   时间:2014-07-22 22:47:16    阅读次数:252
【leetcode刷题笔记】Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.题解:开始想到的方法比较偷懒,直接遍历一遍数组,把每个ListNode对应的值放到...
分类:其他好文   时间:2014-07-22 22:45:13    阅读次数:271
4 Sum leetcode java
题目:Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array w...
分类:编程语言   时间:2014-07-22 22:41:14    阅读次数:396
Centos 6.5中安装后不能打开emacs的问题
问题的发现过程: 安装了最新的centos版本后发现居然打不开emacs,然后在终端中输入emacs后还是不能打开,出现了下面的提示: emacs: error while loading shared libraries: libotf.so.0: cannot open shared objec...
分类:其他好文   时间:2014-07-22 22:40:13    阅读次数:190
关于动态分配vector指针和使用shared_ptr的vector指针
动态分配的vector指针 vector *get_num(int n) { vector *pv = new vector(n+1); int i , x; for(i = 0; i >x; (*pv)[i] = (x); } return pv; } 如果是动态分配的vector...
分类:其他好文   时间:2014-07-22 22:38:16    阅读次数:256
错误:error libGL.so: cannot open shared object file: No such file or directory
Failed to load libGL.soerror libGL.so: cannot open shared object file: No such file or directory启动emulator的时候有如上错误,解决方案:64-bit Ubuntu 12.04.$ sudo apt...
分类:其他好文   时间:2014-07-22 22:36:35    阅读次数:223
Oracle故障排除:emctl start dbconsole遇到错误:OC4J Configuration issue
1.今天启动一台centos6.5上的oracle11G11.2.0.1.0下emctlstartdbconsole报错:OC4JConfigurationissue。2.采取重新配置emctl的方法来试着解决,没有成功。系统显示shared_pool_size和hjob_quequ_processes参数不够大。于是以sys用户登录到oracle,修改参数:3.再次重新配置emct..
分类:数据库   时间:2014-07-22 14:58:34    阅读次数:641
LeetCode :: Convert Sorted Array (link list) to Binary Search Tree [tree]
1.Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 2.Given a singly linked list where elements are sorted in ascending order, convert it to a heig...
分类:其他好文   时间:2014-07-21 23:45:53    阅读次数:264
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