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oracle命令
Oracle sqlplus报表的实现 备份数据库 非归档  :要关闭数据库 归档: 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...
分类:数据库   时间:2014-06-05 06:20:26    阅读次数:330
Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
分类:其他好文   时间:2014-06-04 20:19:49    阅读次数:282
Linux filesystem structures.
1. / – RootEvery single file and directory starts from the root directory.Only root user has write privilege under this directory.Please note that /ro...
分类:系统相关   时间:2014-06-04 20:04:22    阅读次数:416
Gray Code
The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total number...
分类:其他好文   时间:2014-06-04 18:58:39    阅读次数:277
Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
分类:其他好文   时间:2014-06-03 14:06:24    阅读次数:271
Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
分类:其他好文   时间:2014-06-03 14:00:56    阅读次数:281
Spring/Hibernate Improved SQL Logging with log4jdbc---reference
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...
分类:数据库   时间:2014-05-31 16:47:16    阅读次数:514
UVALIVE 6450 Social Advertising
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...
分类:其他好文   时间:2014-05-31 04:34:45    阅读次数:275
Best Time to Buy and Sell Stock
Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
分类:其他好文   时间:2014-05-30 16:30:00    阅读次数:282
Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-05-30 16:24:31    阅读次数:222
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