<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[feifei12021的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/feifei12021</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; feifei12021]]></copyright><item><title><![CDATA[MFC用 ADO连接数据库，get_RecordCount总是返回－1解决办法]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/8041093</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/8041093</guid><author>feifei12021</author><pubDate>Fri, 05 Oct 2012 12:09:35 +0800</pubDate><description><![CDATA[1.将数据库连接属性设置一下就行了,如你的连接指针变量是m_pConnection,可以这样：

::CoInitialize(NULL);
 m_pConnection.CreateInstance(_uuidof(Connection)); //初始化Connection指针
 
 m_pConnection->CursorLocation = adUseClient;
 
。。]]></description><category></category></item><item><title><![CDATA[CString,int,string,char*之间的转换]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/8026620</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/8026620</guid><author>feifei12021</author><pubDate>Thu, 27 Sep 2012 21:55:18 +0800</pubDate><description><![CDATA[《C++标准函数库》中说的  
有三个函数可以将字符串的内容转换为字符数组和C—string  
1.data(),返回没有”\0“的字符串数组  
2,c_str()，返回有”\0“的字符串数组  
3，copy() 
................................................................. 
int 转 CString：]]></description><category></category></item><item><title><![CDATA[ACESS数据库增加删除记录问题]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/8017668</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/8017668</guid><author>feifei12021</author><pubDate>Tue, 25 Sep 2012 16:45:45 +0800</pubDate><description><![CDATA[ACESS数据库增加删除记录问题
下面的代码不知道错在哪里了。总提示说无法删除记录.需要一个可更新的查询.....什么什么的乱7,8糟的。大家谁知道是什么原因啊? 'ASP.net连接access数据库例程    Dim myConnection
 As OleDbConnection Dim myCommand As OleDbCommand sub page_load(sender as]]></description><category></category></item><item><title><![CDATA[sql海量数据优化]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/7557569</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/7557569</guid><author>feifei12021</author><pubDate>Fri, 11 May 2012 15:23:47 +0800</pubDate><description><![CDATA[具体要注意的： 
1.应尽量避免在 where 子句中对字段进行 null 值判断，否则将导致引擎放弃使用索引而进行全表扫描，如： 
select id from t where num is null 
可以在num上设置默认值0，确保表中num列没有null值，然后这样查询： 
select id from t where num=0 
2.应尽量避免在 where 子句中使用!=或]]></description><category></category></item><item><title><![CDATA[C#，int转成string，string转成int]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6833605</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6833605</guid><author>feifei12021</author><pubDate>Thu, 29 Sep 2011 13:12:07 +0800</pubDate><description><![CDATA[1，int转成string
用toString 
或者Convert.toString()如下 

例如：
int varInt = 1; 
string varString = Convert.ToString(varInt); 
string varString]]></description><category></category></item><item><title><![CDATA[WM_LBUTTONDOWN与WM_NCLBUTTONDOWN的区别]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6732651</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6732651</guid><author>feifei12021</author><pubDate>Tue, 30 Aug 2011 15:17:02 +0800</pubDate><description><![CDATA[WM_LBUTTONDOWN是在“客户区”按下鼠标的消息，
WM_NCLBUTTONDOWN是在“非客户区”按下鼠标的消息，
非客户区：包括“标题栏”，“窗口边框”，“滚动条”等。]]></description><category></category></item><item><title><![CDATA[WM_NCLBUTTONDOWN+HTCAPTION消息移动一个窗口]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6732640</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6732640</guid><author>feifei12021</author><pubDate>Tue, 30 Aug 2011 15:13:54 +0800</pubDate><description><![CDATA[使用WM_NCLBUTTONDOWN+HTCAPTION消息移动一个窗口。
我在我的对话框中这样
void CMyDialog::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message ha]]></description><category></category></item><item><title><![CDATA[MFC  线程中发送最小化消息失败]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6682150</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6682150</guid><author>feifei12021</author><pubDate>Fri, 12 Aug 2011 15:47:10 +0800</pubDate><description><![CDATA[DWORD WINAPI RecThread(LPVOID lparam)
{
CTestMesDlg *pDlg = new CTestMesDlg; 
pDlg->Receive(); 
return 0;
}
void CTestMesDlg::Receive(]]></description><category></category></item><item><title><![CDATA[使用命令行sxstrace.exe工具]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6419841</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6419841</guid><author>feifei12021</author><pubDate>Sat, 14 May 2011 15:51:00 +0800</pubDate><description><![CDATA[<br />今天在Visual Studio2008上编写了个小程序，调试运行成功。然后把Debug拷贝到其他电脑上就不能运行了，<br /> <br />显示如下<br />         <br />           <br />  这是个什么情况？？]]></description><category></category></item><item><title><![CDATA[c++远程调用webservice]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6419268</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6419268</guid><author>feifei12021</author><pubDate>Sat, 14 May 2011 09:56:00 +0800</pubDate><description><![CDATA[<br /> <br />  C++在本地调用webservice成功<br /><br />但在远程调用时失败，没有显示上面画面！<br />  怎么解决C++远程调用webservice？<br /> <br /> ]]></description><category></category></item><item><title><![CDATA[pcap_open_offline”: 不能将参数 1 从“CString”转换为“const char*]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6127898</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6127898</guid><author>feifei12021</author><pubDate>Mon, 10 Jan 2011 21:56:00 +0800</pubDate><description><![CDATA[<br />pcap_open_offline”: 不能将参数 1 从“CString”转换为“const char*<br /> <br />如何将  CString  转化为const char*]]></description><category></category></item><item><title><![CDATA[C++的发展史]]></title><link>https://blog.youkuaiyun.com/feifei12021/article/details/6494795</link><guid>https://blog.youkuaiyun.com/feifei12021/article/details/6494795</guid><author>feifei12021</author><pubDate>Thu, 29 Apr 2010 12:37:00 +0800</pubDate><description><![CDATA[]]></description><category></category></item></channel></rss>