본문 바로가기
반응형

IT

 (137)
스프링 autocommit public void accountTransfer(String fromId, String toId, int money) throws SQLException { Connection con = dataSource.getConnection(); try { con.setAutoCommit(false); // 비즈니스 로직 수행 Member fromMember = memberRepository.findById(con, fromId); Member toMember = memberRepository.findById(con, toId); memberRepository.update(con, fromId, fromMember.getMoney() - money); validation(toMember); memberRepos..
자바 람다 - stream, filter, predicate 사용 예제 import java.util.Arrays; import java.util.List; import java.util.function.Predicate; import java.util.stream.Collectors; public class Playground { public static List friends = Arrays.asList("taewon", "brian", "timmy", "turner", "ed", "edd", "eddy", "samuel", "jackson", "miranda", "Samantha", "sarah"); public static void main(String[] args) { List startsWithT = f..
Vue notes {{str}} parent instance === {{num}}
mysql notes 1 loop DELIMITER $$ DROP PROCEDURE IF EXISTS loopInsert$$ CREATE PROCEDURE loopInsert() BEGIN DECLARE i INT DEFAULT 1; WHILE i
Linux study https://docs.google.com/presentation/d/1CrOcTTrRRHlredMRwie9WKSo7ChIF4bRylvUxhinRYU/edit#slide=id.g4010bbe41f_0_86 demian 계열은 .profile, redhat은 .bash_profile를 유저 선택시 실행
Docker tutorial(2020/04) “Images are Immutable and Containers are Ephemeral” -i = interactively -t = terminal services swarm containers(Dockerfile)
Docker delete previous docker before installing : sudo yum remove docker docker-engine docker.io containerd runc download docker convenience script : curl -fsSL https://get.docker.com -o get-docker.sh sudo sh get-docker.sh docker whael : sudo docker run docker/whalesay cowsay hello! running container : docker ps remove a container : docker rm #name# list images : docker images remove image : docker rmi..
Linux commands Linux provides CLI(command line interface) to communicate with the OS. Set root user: sudo passwd root sudo passwd -u root ls -laS : list all files in long format, all hidden, by memory size sequence
반응형

티스토리툴바