2023-07-25-TIL Today I Learned Magic Number Checking https://commons.apache.org/proper/commons-io/javadocs/api-2.5/org/apache/commons/io/filefilter/MagicNumberFileFilter.html https://stacko...

2023-07-24-TIL Today I Learned Validation https://cjw-awdsd.tistory.com/50 https://devfunny.tistory.com/866 https://www.baeldung.com/spring-boot-bean-validation https://reflectoring.io/...

2023-07-21-TIL Today I Learned Optimistic Lock vs Pessimistic Lock https://sabarada.tistory.com/185 RestClient in Spring 6.1 https://spring.io/blog/2023/07/13/new-in-spring-6-1-restclie...

2023-07-20-TIL Today I Learned JSR-305 https://skyul.tistory.com/68 https://jcp.org/en/jsr/detail?id=305 https://code.google.com/archive/p/jsr-305/ https://dzone.com/articles/when-to-us...

2023-07-19-TIL Today I Learned JUnit5 Testing https://github.com/mkyong/junit5-examples https://github.com/cronn/cucumber-junit5-example https://github.com/rmondejar/spring-boot-junit5-ex...

2023-07-18-TIL Today I Learned org.hibernate.LazyInitializationException: could not initialize proxy @Transactional이 없으면 해당 에러가 발생한다. https://www.baeldung.com/hibernate-initialize-proxy-exce...

2023-07-03-TIL Today I Learned CQRS Pattern https://martinfowler.com/bliki/CQRS.html https://always-kimkim.tistory.com/entry/cqrs-pattern https://www.eventstore.com/cqrs-pattern https:/...

2023-07-01-TIL Today I Learned Case Insensitive Enum Mapping in Spring Boot https://devwithus.com/enum-mapping-spring-boot/ JPA Optional Property https://stackoverflow.com/questions/333...

2023-07-01-TIL Today I Learned JPA 자바 리플렉션으로 프레임워크에 대한 의존을 줄일 수 있다. Memento Pattern 메멘토 패턴을 JPA 더티체킹에 적용해볼 수 있을까? https://www.baeldung.com/java-memento-design-pattern https://medium.com/...

2023-06-28-TIL Today I Learned Redis HA https://nesoy.github.io/articles/2020-05/Redis-HA https://redis.io/docs/management/sentinel/ https://redis.com/redis-enterprise/technology/highly-a...