qq_36618850的博客

两个hashmap比对值然后把相同的值保存到list里for(Entry<String, String> ENTRY:MAP.entrySet()){ for(Entry<String, String> entry:map.entrySet()){ ...

后台运行jar包的命令nohup java -jar SNAPSHOT.jar &

使用MyBatis查询数据时候遇到这个异常，stackoverflow上一条回答解决办法是通过给jdbc链接增加zeroDateTimeBehavior参数来解决。实际的错误还应该有：java.sql.SQLException: Value ‘0000-00-00’ can not be represented as java.sql.Datejdbc:mysql://yourserver:...

[2016-12-11T16:53:02,711][INFO ][o.e.d.z.ZenDiscovery ] [node-2] failed to send join request to master [{node-1}{vP19PMOyT2ilJKRAqgn78w}{jDULCExERXGHp4VXpbyuJA}{127.0.0.1}{127.0.0.1:9300}], reason...

其实也没啥坑，ALTER USER ‘root’@’%’ IDENTIFIED WITH mysql_native_password BY ‘netwin123$%^’;GRANT ALL ON . TO ‘root’@’%’;flush privileges;

package file_io_socket_mldn_file;import java.io.File;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;public class File_demo { public static void main(String[...

package stream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.FileReader;import java.io.FileWriter;impor...