Oracle sqlplus报表的实现
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Oracle中只有date，没有datatime
sys/sorry as sysdba sys系统管理员，权限最大
show user查看当前登录数据库的用户
1.安装选择host-ONLY...
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数据库 时间：
2014-06-05 06:20:26
阅读次数：
330
【题目】
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2, return 1->2.
Given 1->1->2->3->3, return 1->2->3.
【题意】
给定一个已排序的链表，删除其中的重复元素
【思路】
维护两个指针prev和cur, cur指针负责扫描链表，prev指向cur的前一...
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其他好文 时间：
2014-06-03 04:05:39
阅读次数：
231
By reducing your bookmarks to show only the
icons, you can access more of them from the Bookmarks bar. This works great for
sites with recognizable fa...
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其他好文 时间：
2014-06-02 17:39:03
阅读次数：
276
The only syntax difference between JSON and the
object literal is that property names need to be wrapped in quotes to be valid
JSON. In object literal...
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编程语言 时间：
2014-06-02 09:31:41
阅读次数：
394
【题目】
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order does not matter)
【题意】
给定一个字符串，恢复并返回所有符合条件的IP串
【思路】...
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其他好文 时间：
2014-06-01 13:01:56
阅读次数：
295
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space....
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其他好文 时间：
2014-06-01 10:41:23
阅读次数：
242
【题目】
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of gray code. A gray code sequence must begin with 0.
...
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其他好文 时间：
2014-06-01 09:16:29
阅读次数：
242
【题目】
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->1->1->2->3, return 2->3.
【题意】
给定一个有序链表，删出其中重复出现的值...
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其他好文 时间：
2014-05-31 21:14:11
阅读次数：
333
Hibernate provides SQL logging out of the box,
but such logging only shows prepared statements, and not the actual SQL queries
sent to the database.It...
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数据库 时间：
2014-05-31 16:47:16
阅读次数：
514
You have decided to start up a new social
networking company. Other existing popular social networksalready have billions
of users, so the only way to...
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其他好文 时间：
2014-05-31 04:34:45
阅读次数：
275
