2022-03-17-TIL Today I Learned Database Case-Insensitive https://blogs.oracle.com/sql/post/how-to-do-case-insensitive-and-accent-insensitive-search-in-oracle-database Spring Boot Test with ...

2022-03-15-tIL Today I Learned JPA Entity Without Setters 우선 JPA가 내부적으로 처리할 때 getter나 setter를 사용하는 동작은 없다. 자바 리플렉션 등을 이용해서 직접 접근이 가능하기 때문이다. 그렇다면 getter는 어느정도 사용한다고 하더라도(리팩터링 하기전에 빠른개발을 위해), set...

2022-03-14-TIL Today I Learned Edge Cases https://ignys.co.uk/blog/edge-cases/ https://www.geeksforgeeks.org/dont-forget-edge-cases/ https://uxplanet.org/how-to-find-and-deal-with-edge-ca...

2022-03-13-TIL Today I Learned 빌더 패턴 사용 장단점 https://okky.kr/article/396206 SNS 종류 https://www.makeuseof.com/social-media-platforms-2021/ https://www.forbes.com/sites/forbesagencycounc...

2022-03-12-TIL Today I Learned Microservice https://blog.lgcns.com/1278 Stream https://tecoble.techcourse.co.kr/post/2021-05-23-stream-api-basic/ Count 쿼리 성능 https://yjh5369.tisto...

2022-03-11-TIL Today I Learned Spring에서 application.yml 환경변수 사용하기 @Valid 애너테이션을 통해서 설정 파일에 지정된 환경변수를 로딩할 수 있다. https://velog.io/@ewan/What-is-Spring-YML-%ED%99%98%EA%B2%BD%EB%B3%80%EC%88%98%...

2022-03-10-TIL Today I Learned 연관관계 테이블 연관관계를 맺는 테이블이 있는게 나을까? 아니면 그냥 외래키를 두어서 참조하는 형태가 나을까? 관계 테이블이 있을때 QueryDSL 조인 https://stackoverflow.com/questions/67217677/solved-how-to-join-joint...

2022-03-08-TIL Today I Learned @OneToOne with @PrimaryKeyJoinColumn vs @MapsId https://www.baeldung.com/jpa-one-to-one https://lists.jboss.org/pipermail/hibernate-dev/2018-September/018008....

2022-03-07-TIL Today I Learned Convert Entity to DTO https://www.amitph.com/spring-entity-to-dto/ Lombok and JPA https://dzone.com/articles/lombok-and-jpa-what-may-go-wrong QueryDSL w...

2022-03-06-TIL Today I Learned JPA vs MyBatis Package Structure Domain https://hackernoon.com/package-by-features-not-layers-2d076df1964d https://stackoverflow.com/questions/55245747/shoul...