Given an array of integers and an integerk, find out whether there there are two distinct indicesiandjin the array such thatnums[i] = nums[j]and the d...
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其他好文 时间:
2015-07-13 10:06:31
阅读次数:
74
run {
allocate channel prmy1 type disk;
allocate channel prmy2 type disk;
allocate channel prmy3 type disk;
allocate channel prmy4 type disk;
allocate channel prmy5 type disk;
allocate channel p...
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数据库 时间:
2015-07-12 15:49:43
阅读次数:
163
关于 rman duplicate from active database,具体操作实际为backup as copy ;会拷贝很多空块;对于那些数据库数据文件超过100G的都不是很建议用;在很大程度上会受到网络带宽的限制,一点出现异常,就要从头再来,非常痛苦;
在做dataguard 能不用duplicate from active database ,还是不要用了,最靠谱的还是用rman 先...
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数据库 时间:
2015-07-12 14:18:14
阅读次数:
134
Given a set of distinct integers, nums, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
For ...
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其他好文 时间:
2015-07-11 09:16:34
阅读次数:
150
217 Contains Duplicate链接:https://leetcode.com/problems/contains-duplicate/
问题描述:
Given an array of integers, find if the array contains any duplicates. Your function should return true if any valu...
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其他好文 时间:
2015-07-10 09:34:14
阅读次数:
118
219 Contains Duplicate II链接:https://leetcode.com/problems/contains-duplicate-ii/
问题描述:
Given an array of integers and an integer k, find out whether there there are two distinct indices i and j in...
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其他好文 时间:
2015-07-10 09:30:38
阅读次数:
113
这个错误是说,由于某个SQL操作造成了,表中主键重复。例子: create table t(x int,y int,z int, primary key(x,y)); insert into t(x,y,z) values(1,1,0),(1,2,0),(1,3,0); --在这里还是好的,下...
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其他好文 时间:
2015-07-09 17:46:34
阅读次数:
212
题目描述
链接地址
解法题目描述Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. ExampleGiven 1->2->3->3->4->4->5, return 1->2->5.
Given...
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其他好文 时间:
2015-07-09 00:56:36
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127
When the sending side sees a duplicate ACK, it knows that the other side must have received a packet out of order, which suggests that an earlier packet might have been lost.
Since it is also p...
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其他好文 时间:
2015-07-08 16:37:40
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158
一、Duplicate EmailsWrite a SQL query to find all duplicate emails in a table namedPerson.+----+---------+| Id | Email |+----+---------+| 1 | a@b.com...
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数据库 时间:
2015-07-08 16:12:28
阅读次数:
151