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如何扑֛�昄��桌面

lubaolin — Thu, 21 Apr 2011 01:11:00 GMT

点击“开�?#8594;�q�行”�Q�在弹出�?#8220;�q�行”对话框中输入“REGSVR32 /n /i:u shell32”�Q�不含双引号�Q�，然后回�R�Q�片��d��会弹�?#8220;shell32中的DllInstall成功”对话框，“昄��桌面”按钮��可以完��归来了

lubaolin 2011-04-21 09:11 发表评论

lubaolin — Tue, 07 Sep 2010 10:30:00 GMT

摘要: HTML字符实体�Q�Character Entities�Q�，转义字符�Ԍ��Escape Sequence�Q? ��Z��么要用�{义字�W�串�Q?HTML�?lt;�Q?gt;�Q?amp;�{�有�Ҏ��含义�Q?lt;�Q?gt;�Q�用于链接签�Q?amp;用于转义�Q�，不能直接使用。这些符��h��不显�C�在我们最�l�看到的�|�页里的�Q�那如果我们希望在网��中昄��q�些�W�号�Q�该怎么办呢�Q? �q�就要说到HTML转义字符�Ԍ��Esca... 阅读全文

lubaolin 2010-09-07 18:30 发表评论

lubaolin — Thu, 22 Oct 2009 06:30:00 GMT

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.jazzlib.ZipEntry;
import net.sf.jazzlib.ZipOutputStream;

public class BatchDownload extends HttpServlet {

public BatchDownload() {
super();
}

public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  response.setContentType("APPLICATION/OCTET-STREAM");
  response.setHeader("Content-Disposition","attachment; filename="+this.getZipFilename());
  System.out.println("in BatchDownload................");
  ZipOutputStream zos = new ZipOutputStream(response.getOutputStream());
     File[] files = new File[2];
     files[0]=new File("c:/zip/文�gA.doc");
     files[1]=new File("c:/zip/文�gB.doc");
     zipFile(files, "", zos);
     zos.flush();
     zos.close();

}
private void zipFile(File[] subs, String baseName, ZipOutputStream zos) throws IOException {
      for (int i=0;i       File f=subs[i];
       zos.putNextEntry(new ZipEntry(baseName + f.getName()));
       FileInputStream fis = new FileInputStream(f);
       byte[] buffer = new byte[1024];
       int r = 0;
       while ((r = fis.read(buffer)) != -1) {
           zos.write(buffer, 0, r);
       }
       fis.close();
      }
}
private String getZipFilename(){
  Date date=new Date();
  String s=date.getTime()+".zip";
  return s;
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}

lubaolin 2009-10-22 14:30 发表评论

ORA-28547:�q�接服务器失败，可能是Oracle Net��理错误

lubaolin — Mon, 21 Sep 2009 09:19:00 GMT

��listener.ora中的(PROGRAM = extproc)�q�句注释掉就可以了。去�|�上找过�Q�extproc是一个扩展的�E�序调用接口协议�Q?nbsp; �q�接和调用外部的操作�pȝ��E�序或进�E�用时会用到�?br />
转自�Q�http://blog.csdn.net/chenjuntj2007/archive/2009/07/04/4321640.aspx

lubaolin 2009-09-21 17:19 发表评论

lubaolin — Thu, 23 Jul 2009 02:35:00 GMT

//创徏临时表空�?

create temporary tablespace test_temp
tempfile 'E:\oracle\product\10.2.0\oradata\testserver\test_temp01.dbf'
size 32m
autoextend on
next 32m maxsize 2048m
extent management local;

//创徏数据表空�?
create tablespace test_data
logging
datafile 'E:\oracle\product\10.2.0\oradata\testserver\test_data01.dbf'
size 32m
autoextend on
next 32m maxsize 2048m
extent management local;

//创徏用户�q�指定表�I�间
create user username identified by password
default tablespace test_data
temporary tablespace test_temp;

//�l�用��h��予权�?

grant connect,resource to username;

//以后以该用户��d��Q�创建的��M��数据库对象都属于test_temp 和test_data表空��_��q�就不用在每创徏一个对象给其指定表�I�间了�?br />
转蝲�Q�http://virgos.javaeye.com/blog/337976

lubaolin 2009-07-23 10:35 发表评论

SSH-ERROR:org.hibernate.LazyInitializationException: failed to lazily initialize

lubaolin — Fri, 03 Jul 2009 08:19:00 GMT

struts2+spring2.x+hibernate3.x 懒加载异常：org.hibernate.LazyInitializationException: failed to lazily initialize

Hibernate的Lazy初始�?:n关系�Ӟ��必须保证是在同一个Session内部使用�q�个关系集合�Q�不然Hiernate��抛出异常：org.hibernate.LazyInitializationException: failed to lazily initialize of....
两种处理�Ҏ��Q?br /> 一、设�|�lazy=false�Q�此�Ҏ��不再累述�?br /> 二、用OpenSessionInViewFilter�q��o器，注意hibernateFilter�q��o器和struts2�q��o器在映射时的先后��序。同时要配置事物处理�Q�否则会��D��session处于只读状态而不能做修改、删除的动作�?br /> 卛_��web.xml文�g中如下配�|�：

contextConfigLocation
classpath*:spring/applicationContext.xml

hibernateFilter

   org.springframework.orm.hibernate3.support.OpenSessionInViewFilter

struts2

   com.iman.nrms.opm.web.common.FilterDispatcher

   encoding
   GBK

         struts-cleanup

             org.apache.struts2.dispatcher.ActionContextCleanUp



hibernateFilter
/*

struts2
/*

struts-cleanup
/*

Hibernate 允许对关联对象、属性进行�g�q�加载，但是必须保证延迟加蝲的操作限于同一�?Hibernate Session 范围之内�q�行。如�?Service 层返回一个启用了延迟加蝲功能的领域对象给 Web 层，�?Web 层访问到那些需要�g�q�加载的数据�Ӟ��׃��加蝲领域对象�?Hibernate Session 已经关闭�Q�这些导致�g�q�加载数据的讉K��异常。而Spring为我们提供的OpenSessionInViewFilter�q��o器�ؓ我们很好的解决了�q�个问题。OpenSessionInViewFilter的主要功能是使每个请求过�E�绑定一�?Hibernate Session�Q�即使最初的事务已经完成了，也可以在 Web 层进行�g�q�加载的操作。OpenSessionInViewFilter �q��o器将 Hibernate Session �l�定到请求线�E�中�Q�它��自动被 Spring 的事务管理器探测到。所�?OpenSessionInViewFilter 适用�?Service 层��用HibernateTransactionManager �?JtaTransactionManager �q�行事务��理的环境，也可以用于非事务只读的数据操作中�?
request-->open session-->打开�q�接、开始事�?->持久操作-->渲染�Q�关闭连接、session�Q?->response 其中一些过�E�省略了�Q�不是很兛_��?/p>

引自�Q?a >http://blog.csdn.net/fhwbj/archive/2009/03/25/4022805.aspx

lubaolin 2009-07-03 16:19 发表评论

eclipse下安装js插�g-spket(支持Ext)

lubaolin — Mon, 06 Apr 2009 14:20:00 GMT

1、选择Help -> Software Updates -> Find and Install...-> Search for new features to install ->New remote site...
Name: "Spket", Url: "http://www.spket.com/update/"下蝲完毕重启 Eclipse

2、Window -> Preferences -> Spket -> JavaScript Profiles -> New �Q?
输入“ExtJS”点击OK�Q?
选择“ExtJS” �q�点�?#8220;Add Library”然后在下拉条中选取“ExtJS”�Q?
选择 “ExtJS”�q�点�?#8220;Add File”�Q�然后在你的./ext-2.x/source目录中选取“ext.jsb” 文�g�Q?

3、设�|�新的ExtJS Profile�Q�选中�q�点�?#8220;JavaScript Profiles” 对话框右手边�?#8220;Defalut”按钮�Q?

4、JS打开方式�?Window -> Preferences ->General-> Editors-> File...选择JS �?Spket JavaScript Editor(default)

lubaolin 2009-04-06 22:20 发表评论

�W�一�ơ试水系�l�分析师考试

lubaolin — Mon, 21 Jul 2008 06:34:00 GMT

半年前，报考了�pȝ��分析师，也没怎么看书,只是��q��试试水有多深的想法去考的�Q�结果既在我意料之中�Q�也在我意料之外�Q�得了个39/33/39�Q�只�?/12/6分就可以通过了，��其是论�?居然得了39分，看来�q�是有希望的�Q�所以决定再�ơ冲击，�q�以此做为��^収ͼ��l�习论文写作�Q�假如写一��论文就和写一��日��C��h��到擒�?..........

lubaolin 2008-07-21 14:34 发表评论

oracle 对列求积

lubaolin — Mon, 21 Jul 2008 06:26:00 GMT

SQL> select * from t1;

        N1 V1                NID
---------- ---------- ----------
         1 aa                 61
         2 aa                 62
         3 bb                 83
         4 aa                 64

SQL> select exp(sum(ln(nid))) from t1 where v1='aa';

EXP(SUM(LN(NID)))
-----------------
242048

已用旉��: 00: 00: 00.02

验证一�?)
SQL> select 61*62*64 from dual;

61*62*64
----------
242048

已用旉��: 00: 00: 00.00

先分�l�然后求�U?font face="宋体">
SQL> select exp(sum(ln(nid))) from t1 group by v1;

EXP(SUM(LN(NID)))
-----------------
242048
83

oracle �q�东东挺有意�?
转自:http://blog.sina.com.cn/s/blog_54eeb5d901000ae5.html

lubaolin 2008-07-21 14:26 发表评论