INSERT INTO `books `(`name`,`count`,`num`)VALUES ('windows','1','2'),('','linux','1','3')ON DUPLICATE KEY UPDATE `count` = `count` + VALUES(`COUNT`), ...
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其他好文 时间:
2014-10-29 01:50:13
阅读次数:
143
Dalvik Virtual Machine (good on limited hardware)Duplicate data used in class files is included only once in the .dex output, which saves space and us...
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移动开发 时间:
2014-10-27 17:06:39
阅读次数:
218
题目:
Given a set of distinct integers, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets....
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其他好文 时间:
2014-10-24 22:17:14
阅读次数:
198
Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become 4
5 6 7 0 1 2).
Find the minimum element.
You may assume no duplicate exists in...
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其他好文 时间:
2014-10-24 13:06:25
阅读次数:
224
昨天去南京某客户那里调优新上线的业务数据库,在查看alert.log日志时发现在过去的一段时间里,每过几个小时或间隔一段时间,就会报类似以下的内容:
Thu Aug 21 09:01:26 2014
WARNING: Heavy swapping observed on system in last 5 mins.
pct of memory swapped in [8.42...
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数据库 时间:
2014-10-22 18:20:18
阅读次数:
494
Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become 4
5 6 7 0 1 2).
Find the minimum element.
You may assume no duplicate exists in the ar...
分类:
其他好文 时间:
2014-10-22 12:57:45
阅读次数:
120
1/* 1.Node.java*/ 2 package Chapter2; 3 4 public class Node { //T可以是int,string等 5 public T data; 6 public Node next; 7 public Node(T d, Nod...
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其他好文 时间:
2014-10-20 21:21:04
阅读次数:
240
【题目】
Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become 4
5 6 7 0 1 2).
Find the minimum element.
You may assume no duplicate...
分类:
其他好文 时间:
2014-10-20 11:51:28
阅读次数:
239
/// /// Generates a new path for duplicate filenames./// /// The path./// private string GetNewPathForDupes( string path ){ string directory = Path...
一.概述复制数据库即使用RMAN工具的DUPLICATE命令从源数据库拷贝所有或者一部分的数据到目标数据库。复制数据库技术在多种场景都是特别有用的,如创建standby数据库,创建用于不同目的地测试环境,数据库迁移等。使用DUPLICATE命令复制数据库能自动配置与源数据库不同的DBID,..
分类:
数据库 时间:
2014-10-15 21:08:42
阅读次数:
369