<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dailei1021的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dailei1021</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dailei1021]]></copyright><item><title><![CDATA[向指定文件，指定位置插入内容]]></title><link>https://blog.youkuaiyun.com/dailei1021/article/details/38121661</link><guid>https://blog.youkuaiyun.com/dailei1021/article/details/38121661</guid><author>dailei1021</author><pubDate>Fri, 25 Jul 2014 16:47:33 +0800</pubDate><description><![CDATA[/**
* 向指定文件，指定位置插入内容
*/
public static void insertContent(String fileName,
long pos,String insertContent) {

RandomAccessFile raf = null;
FileOutputStream tmpOut = null;
FileInputStream tmpIn =]]></description><category></category></item><item><title><![CDATA[Google打不开了就进来看看]]></title><link>https://blog.youkuaiyun.com/dailei1021/article/details/37957353</link><guid>https://blog.youkuaiyun.com/dailei1021/article/details/37957353</guid><author>dailei1021</author><pubDate>Sat, 19 Jul 2014 10:43:42 +0800</pubDate><description><![CDATA[http://www.yunsj.net/]]></description><category></category></item><item><title><![CDATA[hibernate 1+N问题]]></title><link>https://blog.youkuaiyun.com/dailei1021/article/details/26942267</link><guid>https://blog.youkuaiyun.com/dailei1021/article/details/26942267</guid><author>dailei1021</author><pubDate>Sun, 25 May 2014 10:52:39 +0800</pubDate><description><![CDATA[解决方案：1.@ManyToOne默认是eager，设置fetch=FetchType.LAZY,按需而发
   2.@BatchSize(size=5)放在要查询的类的上面，可以少发SQL语句。严格不用这种解决。
   3.join fetch,from topic t left join fetch t.category c
  默认的criteria用的就是join fetch]]></description><category></category></item></channel></rss>