2023-06-13-TIL Today I Learned Instagram Hashtag Architecture https://www.linkedin.com/pulse/twitter-system-design-narendra-l/ https://www.thetechplatform.com/post/system-design-instagram ...

2023-06-12-TIL Today I Learned GraphQL server간 통신에서도 under fetching over fetching을 완화할 수 있다. Map Associations with JPA and Hibernate Http Message Converters with Spring Framework https://w...

2023-06-10-TIL Today I Learned GraalVM https://www.graalvm.org/ Java vs .NET https://devm.io/java/java-net-clr-jvm-173213 Java Caching System https://commons.apache.org/proper/com...

2023-06-07-TIL Today I Learned @Lob in JPA https://stackoverflow.com/questions/72154180/what-difference-does-it-make-to-put-an-annotation-lob-or-not https://www.baeldung.com/hibernate-lob ...

2023-06-03-TIL Today I learned Chain of Responsibility Pattern https://dev.to/kirekov/chain-of-responsibility-pattern-in-spring-application-a09 https://springframework.guru/gang-of-four-des...

2023-05-30-TIL Today I Learned Neighboring Rights https://brunch.co.kr/@audiotech/47 https://jooyoung3-0210.tistory.com/54 https://www.cuonet.com/bbs/board.php?bo_table=community2&wr_...

2023-05-24-TIL Today I Learned Validation in Spring Boot https://medium.com/@techisbeautiful/mastering-data-validation-in-spring-boot-best-practices-and-expert-tips-for-robust-and-secure-ba24...

2023-05-22-TIL Today I Learned @Transactional REQUIRES_NEW https://woodcock.tistory.com/40 GraphQL Pros & Cons Pros of GraphQL for Frontend: Efficient Data Fetching: With Grap...

2023-05-19-TIL Today I Learned Facilitator https://brunch.co.kr/@liink/69 https://badasos.kr/soslab/sub03_02_01.do#:~:text=%ED%8D%BC%EC%8B%A4%EB%A6%AC%ED%85%8C%EC%9D%B4%ED%84%B0%20%3A%20%ED...

2023-05-16-TIL Today I Learned findAll vs findById findById에서는 예외가 발생하지 않는데, findById에서만 바로 발생하는 이유? https://vladmihalcea.com/spring-data-findall-anti-pattern/ https://javatute.com/jpa/cru...