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6数据库物理文件管理
ORACLE文件组成:控制文件,数据文件,日志文件控制文件相关视图:V$DATABASEV$CONTROLFILEV$CONTROLFILE_RECORD_SECTIONV$PARAMETER查看控制文件信息:SELECTTYPE,RECORD_SIZE,RECORDS_TOTAL,RECORDS_USEDFROMV$CONTROLFILE_RECORD_SECTION;TYPERECORD_SIZERECORDS_TOTALRECORD..
分类:数据库   时间:2015-02-08 23:26:39    阅读次数:518
Remote rsyslog server records the logs of python script
Ubuntu 14.04.1 LTS rsyslog server:  10.0.7.77 python client: 10.0.2.122 [rsyslog server]1.Install rsyslog server for apt-get sudo apt-get install -y rsyslog 2.edit /etc/rsyslog.conf ,uncomment t...
分类:编程语言   时间:2015-02-08 14:07:58    阅读次数:208
Find Minimum in Rotated Sorted Array
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 ...
分类:其他好文   时间:2015-02-07 13:09:58    阅读次数:108
82. Remove Duplicates from Sorted List II Leetcode Python
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Given 1->2->3->3->4->4->5, return 1->2->5. Given...
分类:编程语言   时间:2015-02-05 13:39:58    阅读次数:152
[C++]LeetCode: 132 Find Minimum in Rotated Sorted Array II (二分查找)
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. The array may contain duplicate...
分类:编程语言   时间:2015-02-04 16:39:32    阅读次数:150
Oracle 的merge into 用法
1.merge into的用途Merge是一个非常有用的功能,与DB2中的merge into功能几乎一样,与Mysql里的insert into on duplicate key也很类似。MERGE INTO 是Oracle 9i以后才出现的新的功能。简单来说可以是一个“有则更新,无则插入”的功能...
分类:数据库   时间:2015-02-03 18:58:49    阅读次数:190
leetcode_82_Remove Duplicates from Sorted List II
思路: 大致思路就是,遍历链表找出重复元素的子列并删除重复元素子列,当然,第一个元素开始有重复元素的话比较特种,需要特殊考虑。删除子列的过程稍微有点绕,题目倒是不难理解。...
分类:其他好文   时间:2015-02-03 13:27:28    阅读次数:136
TDataset.CopyFields
DescriptionOften when manipulating datasets with similar structures, you need to copy the records from one dataset to another.E.g. you may have fetche...
分类:其他好文   时间:2015-02-03 12:58:51    阅读次数:249
Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Given 1->2->3->3->4->4->5, return 1->2->5. Given 1->...
分类:其他好文   时间:2015-02-01 16:10:35    阅读次数:187
[LeetCode]153.Find Minimum in Rotated Sorted Array
【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:2015-01-31 17:54:53    阅读次数:203
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