通过rman备份不关库做dg假设主库db_unique_name=orcl备库db_unique_name=orcl21.主库归档目录,以oracle用户建立[root@orcl~]#su-oracle[oracle@orcl~]$cd/u01/oracle/oradata/orcl/arclog/[oracle@orcl~]$mkdirprmlog--主库时归档路径[oracle@orcl~]$mkdirstdlog--主库转换成..
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数据库 时间:
2014-11-21 16:30:41
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282
Follow up for "Unique Paths":
Now consider if some obstacles are added to the grids. How many unique paths would there be?
An obstacle and empty space is marked as 1 and 0 respectively
in the...
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其他好文 时间:
2014-11-21 10:41:42
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138
只要每次都保存前k优解就可以了
注意当价值一样时,只算一种,所以要进行去重复 的操作
用到了unique,
1 2 2 4 0 0
unique之后1 2 4 0 0 2
Bone Collector II
Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
T...
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其他好文 时间:
2014-11-21 09:12:39
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206
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
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其他好文 时间:
2014-11-21 06:57:39
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184
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.The same repeate...
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其他好文 时间:
2014-11-21 06:57:28
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212
# This file maps Internet media types to unique file extension(s).# Although created for httpd, this file is used by many software systems# and has be...
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其他好文 时间:
2014-11-20 18:25:53
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335
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to reach the ...
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其他好文 时间:
2014-11-20 15:27:40
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167
Dynamic ProgrammingA robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or ...
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其他好文 时间:
2014-11-20 14:57:16
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196
three.js 源码注释(十七)Math/Math.js
Math对象的构造函数.包含了一些常用的数学方法.
generateUUID()方法用来生成一个36位的uuid通用唯一识别码 (Universally Unique Identifier).
clamp()方法用来限制x的值在a和b之间, 如果x小于a,返回a。 如果x大于b,返回b,否则返回x.
sign()方法返回参数x的符号,如果大于0返回1,如果小于0返回-1,否则返回0.
isPowerOfTwo()方法是否2的幂,如果该值是2的幂,...
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Web程序 时间:
2014-11-20 13:45:09
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342
Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example,[1,1,2] have the following unique pe...
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其他好文 时间:
2014-11-20 13:39:43
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108