K0000000r的专栏

GitHub - ZZMarquis/docker-image-file-finder: Docker Image File Scanner

1注意设置rollbackFor属性，很多博客说默认只有RuntimeExcetion会触发回滚，经验证确实如此，所以rollbackFor最好应该设置如下：rollbackFor = {Exception.class}，当然具体业务具体处理，可能有的业务抛出的某些异常并不需要触发回滚，所以此时应该细化处理异常。 2MySQL数据库表引擎应为InnoDB，否则不支持事务。但是XML...

1、基本类型的前置++和后置++比较private static void testPlus() { final long loopCount = 1000000000L; long start = 0L; long finish = 0L; long sum = 0L; start = System.currentTimeMillis(); for (long i ...

The error is indicating that at some point in the application, a bean is being injected by the type DataSource and not being qualified by name at that point.It does not matter that you have adde

https://github.com/ZZMarquis/gmhelper

public static void main(String[] args) { traverseMap(); } public static void traverseMap() { long start = 0; long finish = 0; long sum = 0; Map&...