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TNS-12535: TNS:operation timed out、TNS-00505: Operation timed out
在查看alert日志的时候发现: 1 *********************************************************************** 2 3 Fatal NI connect error 12170. 4 5 VERSION INFORMATI...
分类:其他好文   时间:2014-05-21 20:13:32    阅读次数:298
touch 命令
linux的touch命令不常用,一般在使用make的时候可能会用到,用来修改文件时间戳,或者新建一个不存在的文件。1.命令格式:touch[选项]...文件...2.命令参数:-a或--time=atime或--time=access或--time=use 只更改存取时间。-c或--no-crea...
分类:其他好文   时间:2014-05-21 19:47:57    阅读次数:297
LeetCode: First Missing Positive [040]
【题目】 Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2. Your algorithm should run in O(n) time and uses constant space. 【题意】 给定一个数组,找出第一个缺失的正数。时间复杂度O(n) ...
分类:其他好文   时间:2014-05-21 17:13:07    阅读次数:219
poj 1836 Alignment
Alignment Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 12571   Accepted: 4021 Description In the army, a platoon is composed by n soldiers. During the m...
分类:其他好文   时间:2014-05-21 11:23:16    阅读次数:227
POJ 1458 Common Subsequence.(最长公共子序列)
Description A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence Z = is a subsequence of X if there exists a ...
分类:其他好文   时间:2014-05-21 10:58:39    阅读次数:237
POJ 2677(双调旅行商问题<bictonicTSP>
Tour Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3470 Accepted: 1545 Description John Doe, a skilled pilot, enjoys traveling. While on vacation, he rents a...
分类:其他好文   时间:2014-05-21 08:24:18    阅读次数:354
poj 1837 Balance
Balance Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 10065   Accepted: 6231 Description Gigel has a strange "balance" and he wants to poise it. Actually...
分类:其他好文   时间:2014-05-21 07:23:20    阅读次数:312
POJ 3977Subset(枚举+二分)
Subset Time Limit: 30000MS   Memory Limit: 65536K Total Submissions: 1562   Accepted: 261 Description Given a list of N integers with absolute values no larger than 1015,...
分类:其他好文   时间:2014-05-21 07:16:37    阅读次数:409
Windows 资源计数器
对象 计数器 描述 度量值 System %Total Processor Time 系统上所有处理器都忙于执行非空闲线程的时间的平均百分比,体现整体的处理器利用率。例如在多处理器系统上,当所有处理器始终处于忙碌状态,则此值为100%;当所有处理器中的1/4处于100%忙碌状态,则此值为25% 该值若持续高于80%~...
分类:Windows程序   时间:2014-05-21 07:08:16    阅读次数:518
poj 1159 Palindrome
Palindrome Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 50914   Accepted: 17537 Description A palindrome is a symmetrical string, that is, a string read...
分类:其他好文   时间:2014-05-21 06:50:05    阅读次数:281
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