lisarer的博客

先占坑，回头慢慢写！

获取最后更新时间： select 'staff',UPDATE_TIME from information_schema.TABLES where TABLE_SCHEMA='test' order by UPDATE_TIME desc limit 1;

import java.io.File; import java.util.*; public class ReadJpg { public static void main(String args[]) throws Exception{ Vector Path=new Vector(); File root = new File("E:/PROJECT/HAND/midea

几分钟写了个KNN Python代码，在编译器上可以直接跑： """ programs: KNN algorithm description: 1.calculate the distance between test data and every single train data 2.sort the distance 3.select the minimum k points b