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...
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其他好文 时间:
2014-07-22 23:03:54
阅读次数:
423
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...
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其他好文 时间:
2014-07-22 23:02:33
阅读次数:
221
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...
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其他好文 时间:
2014-05-01 21:08:36
阅读次数:
512
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...
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其他好文 时间:
2014-05-01 20:49:40
阅读次数:
563
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...
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其他好文 时间:
2014-05-01 20:19:26
阅读次数:
384
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...
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其他好文 时间:
2014-05-01 19:23:26
阅读次数:
392
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...
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数据库 时间:
2014-05-01 18:16:35
阅读次数:
377
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...
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其他好文 时间:
2014-04-30 22:46:39
阅读次数:
384
--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...
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数据库 时间:
2014-04-30 22:37:39
阅读次数:
327
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...
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其他好文 时间:
2014-04-30 22:13:39
阅读次数:
503