<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[daxiangPro的博客]]></title><description><![CDATA[积跬步,行千里]]></description><link>https://blog.youkuaiyun.com/daxiangProgram</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; daxiangProgram]]></copyright><item><title><![CDATA[spring事务回滚技巧]]></title><link>https://blog.youkuaiyun.com/daxiangProgram/article/details/103420056</link><guid>https://blog.youkuaiyun.com/daxiangProgram/article/details/103420056</guid><author>daxiangProgram</author><pubDate>Fri, 06 Dec 2019 11:51:44 +0800</pubDate><description><![CDATA[1、遇到的问题
当我们一个方法里面有多个数据库保存操作的时候，中间的数据库操作发生的错误。伪代码如下：
public method() {
   Dao1.save(Person1);
   Dao1.save(Person2);
   Dao1.save(Person2);
   //假如这句发生了错误，前面的两个对象会被保存到数据库中
   Dao1.save(Person2);
}

期待的...]]></description><category></category></item><item><title><![CDATA[HashTable与HashMap的区别]]></title><link>https://blog.youkuaiyun.com/daxiangProgram/article/details/60961817</link><guid>https://blog.youkuaiyun.com/daxiangProgram/article/details/60961817</guid><author>daxiangProgram</author><pubDate>Thu, 09 Mar 2017 15:48:22 +0800</pubDate><description><![CDATA[HashTable 
1.是线程安全的，put方法被synchronized修饰了，多线程访问不需提供外同步。 
2.不允许key和value值为null,否则会报出空指针异常。 
3.put方法中key调用了hasCode()方法。 
4.HashTable继承了dictionary 
5.HashTable比HashMap旧一些。HashMap 
1.非线程安全的，put方法没有被synchro]]></description><category></category></item><item><title><![CDATA[js 实现对JSON数组模糊查询的方法]]></title><link>https://blog.youkuaiyun.com/daxiangProgram/article/details/60133165</link><guid>https://blog.youkuaiyun.com/daxiangProgram/article/details/60133165</guid><author>daxiangProgram</author><pubDate>Fri, 03 Mar 2017 10:39:19 +0800</pubDate><description><![CDATA[js实现对JSON数组的模糊查询，原理是indexOf方法]]></description><category></category></item></channel></rss>