<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[billyjoy]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/iteye_17887</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; iteye_17887]]></copyright><item><title><![CDATA[a different object with the same identifier value was already associate]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82242702</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82242702</guid><author>iteye_17887</author><pubDate>Fri, 06 Jan 2012 18:18:24 +0800</pubDate><description><![CDATA[今天也遇到这个问题了，这个错误相信大家都知道，因为在hibernate中同一个session里面有了两个相同标识。
 
page = pageService.findById(this.getPage().getId());
//page中已经有题目，再添加新题目,新的题目在执行之前已经有id
page.addQuestions(quizes);
quizService.createQu...]]></description><category></category></item><item><title><![CDATA[Mysql重装问题，不能开启服务]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82058502</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82058502</guid><author>iteye_17887</author><pubDate>Mon, 25 Apr 2011 09:44:57 +0800</pubDate><description><![CDATA[ 第一步：直接删除MYSQL安装程序以及安装程序文件夹！！（先停 mysql 的服务，再从控制面板里删）
       第二步：检查C:\WINDOWS目录下以及C:\WINDOWS\system32是否有my.ini文件,如果有就将其删除！（没发现有）
       第三步：命令行----regedit进入注册表----删除以下位置的MYSQL的文件夹：
                 ...]]></description><category></category></item><item><title><![CDATA[Date和Calendar]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82058282</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82058282</guid><author>iteye_17887</author><pubDate>Sun, 24 Apr 2011 14:33:16 +0800</pubDate><description><![CDATA[

如何使用Java中的Date和Calendar类


 


 



Java语言的Calendar(日历)，Date(日期)，和DateFormat(日期格式)组成了Java标准的一个基本但是非常重要的部分。日期是商业逻辑计算一个关键的部分。所有的开发者都应该能够计算未来的日期，定制日期的显示格式，并将文本数据解析成日期对象。我们写了两篇文章，这是第一篇，我们将大概的学习日期，日期...]]></description><category></category></item><item><title><![CDATA[org.hibernate.NonUniqueObjectException 问题]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82057673</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82057673</guid><author>iteye_17887</author><pubDate>Fri, 22 Apr 2011 16:17:44 +0800</pubDate><description><![CDATA[用hibernate做修改和删除的时候，有时候会遇到 org.hibernate.NonUniqueObjectException 异常，
a different object with the same identifier value was already associated with the session
可以解释为 有一个具有相同值的不同对象已经与和 session 相关联。
...]]></description><category></category></item><item><title><![CDATA[struts1中actionForm问题]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82057561</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82057561</guid><author>iteye_17887</author><pubDate>Fri, 22 Apr 2011 11:01:13 +0800</pubDate><description><![CDATA[javax.servlet.ServletException: BeanUtils.populatejava.lang.IllegalArgumentException: No bean specified
jsp中  &amp;lt;input type=&quot;text&quot; name=&quot;librarier.account&quot; value=&quot;&quot;/&amp;gt;
 
ActionForm属性 private Lib...]]></description><category></category></item><item><title><![CDATA[Cannot find bean org.apache.struts.taglib.html.BEAN in any scope]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82046202</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82046202</guid><author>iteye_17887</author><pubDate>Mon, 18 Apr 2011 14:50:59 +0800</pubDate><description><![CDATA[错误提示: Cannot find bean org.apache.struts.taglib.html.BEAN in any scope 解决办法: 2个原因: 
1.在JSP文件中加入&amp;lt;%@ taglib uri=&quot;http://struts.apache.org/tags-html&quot; prefix=&quot;html&quot; %&amp;gt;
如果提示错误，说明jar包没有加入
 
2.如果只是...]]></description><category></category></item><item><title><![CDATA[detached entity passed to persist]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82046079</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82046079</guid><author>iteye_17887</author><pubDate>Mon, 18 Apr 2011 11:42:50 +0800</pubDate><description><![CDATA[使用Hibernate的时候 出现
javax.servlet.ServletException: org.hibernate.PersistentObjectException: detached entity passed to persist: com.libray.bean.Book问题
每次第一次保存对象没有问题，但是保存第二个就会出现这个错误，因为我在ActionForm中 有一个...]]></description><category></category></item><item><title><![CDATA[jsp引入js文件出现乱码问题]]></title><link>https://blog.youkuaiyun.com/iteye_17887/article/details/82045919</link><guid>https://blog.youkuaiyun.com/iteye_17887/article/details/82045919</guid><author>iteye_17887</author><pubDate>Sun, 17 Apr 2011 22:29:13 +0800</pubDate><description><![CDATA[ 今天写一个javaweb的例子，发现老是出乱码，之前类似的问题也遇到过，当然也解决了，如非就是那些方法，我的jsp文件中&amp;lt;%@ page contentType=&quot;text/html; charset=utf-8&quot;%&amp;gt;&amp;lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot;&amp;gt;引入js文件&amp;lt;s...]]></description><category></category></item></channel></rss>