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搜索关键字:row lock contention    ( 25929个结果
hdu 1195 Open the Lock (bfs+优先队列)
Open the Lock Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4253    Accepted Submission(s): 1858 Problem Description Now an emerg...
分类:其他好文   时间:2014-08-15 12:55:38    阅读次数:312
UVA - 12036 Stable Grid
Description  Stable Grid  Consider a grid of size n x n where each cell contains a number. Let's call a grid stable if we canrearrange the numbers of each row so that every col...
分类:其他好文   时间:2014-08-15 10:42:58    阅读次数:190
mysql binlog row格式查看
mysql binlog row格式...
分类:数据库   时间:2014-08-14 23:58:26    阅读次数:531
Pascal's Triangle II
Given an index k, return the kth row of the Pascal's triangle.For example, given k = 3,Return [1,3,3,1].Note:Could you optimize your algorithm to use ...
分类:其他好文   时间:2014-08-14 23:44:26    阅读次数:323
Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:其他好文   时间:2014-08-14 23:26:46    阅读次数:219
mysql性能调试工具profile
我一直在找mysql中有没有类似Oracle 10046类似的工具,可以看到SQL执行的时间消耗在哪里。终于在网上找到一个profile,使用一些,觉得不错。 mysql> select version(); +-----------+ | version() | +-----------+ | 5.6.16    | +-----------+ 1 row in set (0.00...
分类:数据库   时间:2014-08-14 20:36:29    阅读次数:261
lock关键字的用法
一直以来对于lock关键字的用法都存有疑惑,也从网上看到很多关于他的资料包括MSDN,无奈MSDN讲述的真是让人上火。今天决定小小研究一下一直都知道lock是锁定某一变量从而实现对某一代码段的独占执行。但是对于lock(this)、lock(typeof(类名))、lock(字符串)、lock(公有...
分类:其他好文   时间:2014-08-14 20:21:09    阅读次数:231
ROW_NUMBER()OVER(partition)的使用
select cardno,planname,ROW_NUMBER() over(partition by cardno,planname order by createtime asc) as rowfrom CardAddrBlack即:将cardno,planname看作一个分组,以他们内部的...
分类:其他好文   时间:2014-08-14 19:58:59    阅读次数:140
Hive基础之Hive的复杂类型
Array一组有序字段,字段的类型必须相同。Array(1,2)create table hive_array(ip string, uid array)row format delimited fields terminated by ','collection items terminated ...
分类:其他好文   时间:2014-08-14 15:56:58    阅读次数:186
OUI-67076 : OracleHomeInventory was not able to create a lock file" in Unix
Symptoms The command "opatch lsinventory" reports the error: OUI-67076:OracleHomeInventory was not able to create a lock file, probably due to a failed OPatch Session. The loaded inventory might not ...
分类:数据库   时间:2014-08-14 14:08:18    阅读次数:398
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