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ORA-28002: the password will expire within 7 days 解决方法(后面部分为拷贝,前面加上了自己遇到的问题的时候解决方案)
首先以管理员密码登录 如果发现仍然登录不进去了,可以将Oracle安装的Linux的系统时间提前,修改方法是: date -s 04/29/2014 date -s 17:52:00 clock -w   1. 查看用户的profile设置: SELECT username,profile FROM dba_users;   SELECT username,profil...
分类:其他好文   时间:2014-07-22 23:03:54    阅读次数:423
poj2421 最小生成树 克鲁斯
Constructing Roads Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 18744   Accepted: 7755 Description There are N villages, which are numbered from 1 to N, and...
分类:其他好文   时间:2014-07-22 23:02:33    阅读次数:221
HP EliteBook 8770p打开Vt-x
activating vt-x from biosIf you have HP EliteBook 8770w do:Shutdown your mobile workstation.Push startup buttonpush ESC keypush F10 to open BIOS setup...
分类:其他好文   时间:2014-05-01 21:08:36    阅读次数:512
hdu 1074 Doing Homework
Problem DescriptionIgnatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline o...
分类:其他好文   时间:2014-05-01 20:49:40    阅读次数:563
Remove Duplicates from Sorted Array
没有想通为什么这个简单的问题竟然不是那么简单,太小看它了,以下是两个别人的很不错的solution:Solution1: 1 public class Solution { 2 public int removeDuplicates(int[] A) { 3 // Start...
分类:其他好文   时间:2014-05-01 20:19:26    阅读次数:384
Keyboard input
Keyboard inputPython provides a build-in function called raw_input (in version 2.x) that gets input from the keyboard. In Python 3.x we use input(). W...
分类:其他好文   时间:2014-05-01 19:23:26    阅读次数:392
使用ssh过程中对数据库进行update时报错
org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.NEVER) - turn your Session into FlushMode.AUTO or remove 'readOnly' marker from transaction definition...
分类:数据库   时间:2014-05-01 18:16:35    阅读次数:377
95行代码实现最大熵模型训练
关于最大熵模型的介绍请看:http://www.cnblogs.com/hexinuaa/p/3353479.html 下面是GIS训练算法的python实现,代码不到100行。 from collections import defaultdict import math class MaxEnt(object):     def __ini...
分类:其他好文   时间:2014-04-30 22:46:39    阅读次数:384
统计分析SQL Server Profiler 跟踪的SQL
--跟踪文件读入到表中分析 SELECT * INTO ZGSJY FROM fn_trace_gettable('E:\wxxcdbprofiler.trc', default); --某时间内,最耗时SQL select TOP 100 SUBSTRING(Textdata,1,660) as '名称', count(*) as '数量', sum(duration/1000) as '总执行...
分类:数据库   时间:2014-04-30 22:37:39    阅读次数:327
Teradata Express for VMware
1,按照vmware,导入系统(注意td提供的版本是64位的) 2,linux系统:root/root 3,配置ip: Enter a cop entry in the linux hosts file (/etc/hosts accessible from the linux command line in the VMware console, ie. c:>vi /etc/host...
分类:其他好文   时间:2014-04-30 22:13:39    阅读次数:503
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