<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[nmx253的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/nmx253</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; nmx253]]></copyright><item><title><![CDATA[Hibernate 异常]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/84246140</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/84246140</guid><author>nmx253</author><pubDate>Mon, 09 Jul 2012 09:56:07 +0800</pubDate><description><![CDATA[a different object with the same identifier value was already associated with the session: 的解决 
在做项目的时候也遇到这个问题org.hibernate.NonUniqueObjectException: a different object with the same identifier value...]]></description><category></category></item><item><title><![CDATA[JavaScript 字符串处理]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83800867</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83800867</guid><author>nmx253</author><pubDate>Thu, 23 Dec 2010 11:48:23 +0800</pubDate><description><![CDATA[function nameToUpper()
	{
		if(event.keyCode &amp;gt; 96 &amp;amp;&amp;amp; event.keyCode &amp;lt; 123){
			event.keyCode -= 32;
		}
	}

	function UpperString(tag)
	{
		var temp=document.getElementById(tag.i...]]></description><category></category></item><item><title><![CDATA[mysql中case when语句的使用方法]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83693969</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83693969</guid><author>nmx253</author><pubDate>Sat, 14 Aug 2010 13:17:05 +0800</pubDate><description><![CDATA[
摘自：PHP自学网
mysql中case when语句的使用方法： 
mysql中也有像php语言中switch case 这样的语句。 
例如,下面的语句显示中文年月 
select getdate() as 日期,case month(getdate()) 
when 11 then '十一' 
when 12 then '十二' 
else substring('一二三四五...]]></description><category></category></item><item><title><![CDATA[orale 时间差处理]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83644600</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83644600</guid><author>nmx253</author><pubDate>Fri, 18 Jun 2010 12:08:32 +0800</pubDate><description><![CDATA[select

to_char(TIME_RECEIVE_CALL, 'dd-mm-yyyy hh24:mi:ss') start_time,

to_char(TIME_RESPONSE_TO_SCENE, 'dd-mm-yyyy hh24:mi:ss') end_time,

(TIME_RESPONSE_TO_SCENE-TIME_RECEIVE_CALL)*24*60 c,
...]]></description><category></category></item><item><title><![CDATA[IBM SOA]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83609231</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83609231</guid><author>nmx253</author><pubDate>Tue, 04 May 2010 15:35:24 +0800</pubDate><description><![CDATA[http://www.ibm.com/developerworks/cn/webservices/ws-soa-term2/index.html]]></description><category></category></item><item><title><![CDATA[xperience the Evolution of Java EE 2nd Edition]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83604429</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83604429</guid><author>nmx253</author><pubDate>Fri, 23 Apr 2010 13:47:42 +0800</pubDate><description><![CDATA[xperience the Evolution of Java EE 2nd Edition.pdf]]></description><category></category></item><item><title><![CDATA[spring 2.5]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83603455</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83603455</guid><author>nmx253</author><pubDate>Wed, 21 Apr 2010 17:08:55 +0800</pubDate><description><![CDATA[en spring 2.0 ibatis2.0]]></description><category></category></item><item><title><![CDATA[AOP總結]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83570050</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83570050</guid><author>nmx253</author><pubDate>Fri, 26 Mar 2010 12:08:42 +0800</pubDate><description><![CDATA[面向切面编程，把散落在程序中的公共部分提取出来，做成切面类，这样的好处在于，代码的可重用，一旦涉及到该功能的需求发生变化，只要修改该代码就行，否则，你要到处修改，如果只要修改1、2处那还可以接受，万一有1000处呢。
AOP底层的东西就是JDK动态代理和CGLIB代理，说白了就是增强类的功能。
最常用的AOP应用在数据库连接以及事务处理上。如spring的声明式事务。
原理：反射机制
常用...]]></description><category></category></item><item><title><![CDATA[查看一段ip地址]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83567736</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83567736</guid><author>nmx253</author><pubDate>Sat, 20 Mar 2010 19:04:42 +0800</pubDate><description><![CDATA[利用上述原理，可以通过建立批处理的办法，批量检测局域网中在线的机器。例如要查看192.168.1.*这个网段中有哪些地址在线。在桌面上点鼠标右键新建一个文本文件后输入如下代码：
　　FOR /L %%i IN (0,1,255) Do ping 192.168.114.%%i -n 1
　　arp -a -&gt; IP.txt
　　将该文件保存为.bat文件，双击这个批处理文件将自动搜索网段中的...]]></description><category></category></item><item><title><![CDATA[other]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83562356</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83562356</guid><author>nmx253</author><pubDate>Mon, 08 Mar 2010 10:57:52 +0800</pubDate><description><![CDATA[从最基本的securities学起。equity, bond, 它们的异同，关系，等等。。

然后，再了解一下investment, risk, cash flow, libor, shibor, security exchange, OCT, FX trading, leverage, ...这些基本概念，就可以跟人聊金融了。。。

想要再深入一些吗？还是去读MFE好了....]]></description><category></category></item><item><title><![CDATA[写得蛮好的linux学习笔记]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83518387</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83518387</guid><author>nmx253</author><pubDate>Thu, 17 Dec 2009 09:17:04 +0800</pubDate><description><![CDATA[linux目录架构 
 /         根目录 
 /bin            常用的命令   binary   file   的目錄 
 /boot         存放系统启动时必须读取的档案，包括核心   (kernel)   在内 
                /boot/grub/menu.lst         GRUB设置 
                /b...]]></description><category></category></item><item><title><![CDATA[poi读取]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83516553</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83516553</guid><author>nmx253</author><pubDate>Sat, 12 Dec 2009 13:17:56 +0800</pubDate><description><![CDATA[大家注意，请用最新的POI开发包进行操作，版本至少要不低于3.2，这样才能顺利完成以下所有操作。POI3.2下载地址是：http://apache.freelamp.com/poi/release/bin/poi-bin-3.2-FINAL-20081019.tar.gz
 
创建一个新的Workbook
    HSSFWorkbook wb = new HSSFWorkbook();
...]]></description><category></category></item><item><title><![CDATA[javaScript手册]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83500171</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83500171</guid><author>nmx253</author><pubDate>Wed, 09 Dec 2009 23:56:52 +0800</pubDate><description><![CDATA[多少]]></description><category></category></item><item><title><![CDATA[SQL高级应用]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83497400</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83497400</guid><author>nmx253</author><pubDate>Thu, 03 Dec 2009 11:24:36 +0800</pubDate><description><![CDATA[1：
    数据库表A的数据如下：
            year   quarter 
            2001      1
            2001      2
            2001      3
            2001      4
            2002      1
            2002      2
...]]></description><category></category></item><item><title><![CDATA[iBATIS中的sql map参考]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83491452</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83491452</guid><author>nmx253</author><pubDate>Wed, 18 Nov 2009 23:49:36 +0800</pubDate><description><![CDATA[
&amp;lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; ?&amp;gt;  
  
&amp;lt;!DOCTYPE sqlMap         
    PUBLIC &quot;-//ibatis.apache.org//DTD SQL Map 2.0//EN&quot;         

    &quot;http://ibatis.apache.org/dtd/sql-map-2.dtd&quot;&amp;g]]></description><category></category></item><item><title><![CDATA[SQLPLUS下，实现中-英字符集转换]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83460490</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83460490</guid><author>nmx253</author><pubDate>Tue, 15 Sep 2009 16:30:18 +0800</pubDate><description><![CDATA[在SQLPLUS下，实现中-英字符集转换alter session set nls_language='AMERICAN';alter session set nls_language='SIMPLIFIED CHINESE'; ]]></description><category></category></item><item><title><![CDATA[Oracle常用函数二]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83460487</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83460487</guid><author>nmx253</author><pubDate>Tue, 15 Sep 2009 16:28:19 +0800</pubDate><description><![CDATA[============================函数=================================== 日期函数： add_months(d,n) 日期d加n个月 last_day(d) 包含d的月份的最后一天的日期 month_between(d,e) 日期d与e之间的月份数，e先于d new_time(d,a,b) a时区的日期和时间d在b时区的日期和时间 next...]]></description><category></category></item><item><title><![CDATA[Oracle常用函数]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83460402</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83460402</guid><author>nmx253</author><pubDate>Tue, 15 Sep 2009 14:43:12 +0800</pubDate><description><![CDATA[sysdate为系统日期 dual为虚表一）日期函数[重点掌握前四个日期函数]1,add_months[返回日期加(减)指定月份后(前)的日期]select sysdate S1,add_months(sysdate,10) S2,add_months(sysdate,5) S3 from dual;2,last_day [返回该月最后一天的日期] select last_day(sysdate)...]]></description><category></category></item><item><title><![CDATA[oracle plsql 存储过程(procedure)]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83460387</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83460387</guid><author>nmx253</author><pubDate>Tue, 15 Sep 2009 14:12:28 +0800</pubDate><description><![CDATA[      存储过程（Stored Procedure）是一组为了完成特定功能的SQL语句集，经编译后存储在数据库中。用户通过指定存储过程的名字并给出参数（如果该存储过程带有参数）来执行它。存储过程是数据库中的一个重要对象，任何一个设计良好的数据库应用程序都应该用到存储过程。
 
*********************************************************...]]></description><category></category></item><item><title><![CDATA[ORACLE SQL语句优化总结二]]></title><link>https://blog.youkuaiyun.com/nmx253/article/details/83460375</link><guid>https://blog.youkuaiyun.com/nmx253/article/details/83460375</guid><author>nmx253</author><pubDate>Tue, 15 Sep 2009 13:57:47 +0800</pubDate><description><![CDATA[（23） 用&amp;gt;=替代&amp;gt; 高效: SELECT * FROM EMP WHERE DEPTNO &amp;gt;=4 [Copy to clipboard] [ - ] [RUN] CODE: SELECT … FROM DEPT WHERE SAL * 12 &amp;gt; 25000; 高效:SELECT … FROM DEPT WHERE SAL &amp;gt; 25000/12; 低效: SELEC...]]></description><category></category></item></channel></rss>