Sat, 30 Jan 2010 02:54:00 GMTCSDN博客聚合服务http://blog.csdn.net/blogrss.aspx?username=qshpenghttp://blog.csdn.net/qshpeng/archive/2010/01/30/5271979.aspx使用C语言进行身份证号码校验<img src="http://www1.feedsky.com/t1/327502152/qshpeng/csdn.net/s.gif?r=http://blog.csdn.net/qshpeng/archive/2010/01/30/5271979.aspx" border="0" height="0" width="0" style="position:absolute" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502152/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502152/art01.gif" onerror="this.style.display='none'" /></a></p>Sat, 30 Jan 2010 10:54:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2010/01/30/5271979.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2010/01/30/5271979.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502152/1116917http://blog.csdn.net/qshpeng/archive/2009/07/06/4325440.aspx(1)动态SQL1: 不能是查询(SELECT)语句,并且没有宿主变量.  用法:拼一句动态SQL语句,并用EXECUTE IMMEDIATE执行,如: EXEC SQL EXECUTE IMMEDIATE CREATE TABLE test (test_col VARCHAR2(4)); EXEC SQL EXECUTE IMMEDIATE INSERT INTO TABLE test ('AAAA');EXEC SQL EXECUTE IMMEDIATE DELETE test WHERE test_col='AAAA'; (2)动态SQL2: 不能是查询(SELECT)语句,并且输入的宿主变量数目是知道的, 用法1:拼一句动态SQL语句,用PREPARE ,EXECUTE语句执行. strcpy(sqlstring, "DELETE FROM test WHERE test_col = :?");  EXEC SQL PREPARE sqlpro<img src="http://www1.feedsky.com/t1/327502153/qshpeng/csdn.net/s.gif?r=http://blog.csdn.net/qshpeng/archive/2009/07/06/4325440.aspx" border="0" height="0" width="0" style="position:absolute" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502153/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502153/art01.gif" onerror="this.style.display='none'" /></a></p>Mon, 06 Jul 2009 15:34:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2009/07/06/4325440.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2009/07/06/4325440.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502153/1116917http://blog.csdn.net/qshpeng/archive/2009/04/23/4103919.aspx我在看oracle性能优化一书用exists替代in,用表链接替代exists，关于前者，一般效果比较明显，exists效率明显比in高，但是如果要想表连接的效率比exists高，必须在from子句中，将记录多的表放在前面，记录少的表放后面。关于select... bulk collect into ... limit ...或fetch... bulk collect into ... limit ...句型后，用for或forall循环进行操作报错ORA-06502: PL/SQL: numeric or value error的原因是遇到了空值。在句型fetch...bulk collect into...limint...中，千万要注意，不要随便使用游标的%found, %notfound, %rowcount三个属性<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502154/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502154/art01.gif" onerror="this.style.display='none'" /></a></p>Thu, 23 Apr 2009 17:18:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2009/04/23/4103919.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2009/04/23/4103919.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502154/1116917http://blog.csdn.net/qshpeng/archive/2009/02/11/3876447.aspx最近在用Ｃ语言对文件进行md5加密的时候，发现凡是有中文名的文件，一律获取md5码失败，不管是在dos下运行，还是在linux,unix下运行都不行。英文名的文件都成功。原因找了很久一直找不到。后来发现在dos 下，和linux,unix下，中文名显示的都是乱码，且程序输出错误errno为2,即找不到文件的错误。因此，可以断定，程序中指定的文件名与系统文件名是不一样的，程序无法找到文件，才会出现如此的错误。如果在linux,unix下，只需更改程序中的文件名与系统显示的文件名一致，或者重命名文件。但编辑时必须处于同一系统下。<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502155/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502155/art01.gif" onerror="this.style.display='none'" /></a></p>Wed, 11 Feb 2009 10:59:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2009/02/11/3876447.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2009/02/11/3876447.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502155/1116917http://blog.csdn.net/qshpeng/archive/2008/12/15/3523788.aspx在GridView加入一序号列 这里提供几个简单好用的方法原理：给数据源添加一个序列代码如下：//获得数据源    mySelectCommand = "select * from table" ;   SqlDataAdapter myCommand = new SqlDataAdapter(mySelectCommand,myConnection);   DataTable dt = new DataTable();   myCommand.Fill(dt);    //将数据库获得的结果集付给dt，以进一步操作 //给dt加序列    dt.Columns.Add("index",typeof(int));//加序列    int index;   for( index = 0; index <p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502156/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502156/art01.gif" onerror="this.style.display='none'" /></a></p>Mon, 15 Dec 2008 20:04:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2008/12/15/3523788.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2008/12/15/3523788.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502156/1116917http://blog.csdn.net/qshpeng/archive/2008/11/23/3356729.aspxjsp实现多文件上传，并解决jsp的request.getParameter获取不到表单参数问题<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502157/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502157/art01.gif" onerror="this.style.display='none'" /></a></p>Sun, 23 Nov 2008 18:11:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2008/11/23/3356729.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2008/11/23/3356729.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502157/1116917http://blog.csdn.net/qshpeng/archive/2008/01/17/2047734.aspx本文提供一个较为通用的C#画曲线的类。<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502158/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502158/art01.gif" onerror="this.style.display='none'" /></a></p>Thu, 17 Jan 2008 00:17:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2008/01/17/2047734.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2008/01/17/2047734.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502158/1116917http://blog.csdn.net/qshpeng/archive/2007/12/07/1922060.aspx甘肃省委书记的超牛论文英文标题。开拓进取真抓实干不断开创西部大开发的新局面 --&gt;Expand Enterprising and Really Grasp Solid Fuck and Continuously Expand and Great the New Situation of Buildings of Western Region<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502159/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502159/art01.gif" onerror="this.style.display='none'" /></a></p>Fri, 07 Dec 2007 10:52:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2007/12/07/1922060.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2007/12/07/1922060.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502159/1116917http://blog.csdn.net/qshpeng/archive/2007/11/10/1877000.aspx一种字符串表达式求值的简单方法：利用后缀表达式求值 提供一个C#中通用的表达式求值的类<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502160/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502160/art01.gif" onerror="this.style.display='none'" /></a></p>Sat, 10 Nov 2007 00:15:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2007/11/10/1877000.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2007/11/10/1877000.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502160/1116917http://blog.csdn.net/qshpeng/archive/2007/10/27/1847468.aspx笔试智力题<p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/qshpeng/327502161/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/qshpeng/327502161/art01.gif" onerror="this.style.display='none'" /></a></p>Sat, 27 Oct 2007 11:42:00 +0800qshpenghttp://blog.csdn.net/qshpeng/archive/2007/10/27/1847468.aspxqshpenghttp://blog.csdn.net/qshpeng/archive/2007/10/27/1847468.aspxhttp://blog.csdn.net/qshpeng/feed.aspxcsdn.net/qshpeng/~1116921/327502161/1116917