<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[GUILTYxc的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/GUILTYxc</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; GUILTYxc]]></copyright><item><title><![CDATA[MySQL排它锁的使用]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/141337845</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/141337845</guid><author>GUILTYxc</author><pubDate>Tue, 20 Aug 2024 00:33:46 +0800</pubDate><description><![CDATA[排它锁又称为写锁，当一个事务对表或者数据行加上排它锁时，其他事务在锁被释放前无法读取或修改被锁定的数据。使用FOR UPDATE语句可以主动加排它锁]]></description><category></category></item><item><title><![CDATA[mybatis的空字符串判断产生的问题]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/138499752</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/138499752</guid><author>GUILTYxc</author><pubDate>Mon, 06 May 2024 16:39:26 +0800</pubDate><description><![CDATA[当我在mybatis的mapper查询中使用条件判断时，当type的类型是数值，并且为0时，type!= ''即type不为空字符串为false，这是因为mybatis在将数值与字符串做比较时，0是等于空字符串的，这样显然会出问题，导致在查询时type=0无法生效。]]></description><category></category></item><item><title><![CDATA[解决Dubbo在反序列化时报错]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/136746174</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/136746174</guid><author>GUILTYxc</author><pubDate>Fri, 15 Mar 2024 17:44:24 +0800</pubDate><description><![CDATA[STRICT参考官网关于类检查机制的说明我使用的版本默认的检查模式为STRICT，禁止反序列化所有不在允许序列化列表（白名单）中的类。共有三个模式：STRICT 严格检查，WARN 告警，DISABLE 禁用。]]></description><category></category></item><item><title><![CDATA[Java Stream流式操作总结]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/135555131</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/135555131</guid><author>GUILTYxc</author><pubDate>Fri, 12 Jan 2024 15:52:58 +0800</pubDate><description><![CDATA[java Stream流式操作使用方式总结]]></description><category></category></item><item><title><![CDATA[@JsonAlias和@JsonProperty的使用和区别]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/134729231</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/134729231</guid><author>GUILTYxc</author><pubDate>Thu, 21 Dec 2023 15:03:44 +0800</pubDate><description><![CDATA[@JsonAlias和@JsonProperty的使用和区别]]></description><category></category></item><item><title><![CDATA[Double.parseDouble() 和 Double.valueOf()的区别]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/132953037</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/132953037</guid><author>GUILTYxc</author><pubDate>Sun, 17 Sep 2023 20:48:20 +0800</pubDate><description><![CDATA[Double.parseDouble() 和 Double.valueOf()的区别]]></description><category></category></item><item><title><![CDATA[MySQL：使用“IN“语句查询时保持顺序]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/132950592</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/132950592</guid><author>GUILTYxc</author><pubDate>Sun, 17 Sep 2023 19:36:26 +0800</pubDate><description><![CDATA[在MyBatis或MyBatisPlus中，可以手动拼接sql语句达到同样的效果。指定排序的字段，之后给出顺序，返回的结果即可满足按IN中指定的顺序排序。，从课程表里使用教师id查询记录，这时我希望返回的记录是按。的顺序，但是发现并不是，而是。当我在MySQL中使用。的顺序，进行了排序。]]></description><category></category></item><item><title><![CDATA[Neo4j社区版跨版本数据迁移]]></title><link>https://blog.youkuaiyun.com/GUILTYxc/article/details/132216034</link><guid>https://blog.youkuaiyun.com/GUILTYxc/article/details/132216034</guid><author>GUILTYxc</author><pubDate>Thu, 10 Aug 2023 18:43:50 +0800</pubDate><description><![CDATA[neo4j社区版数据跨版本迁移方式]]></description><category></category></item></channel></rss>