2023-01-15-TIL Today I Learned Transaction Manager https://p829911.tistory.com/17 https://docs.spring.io/spring-framework/docs/current/reference/html/data-access.html#spring-data-tier htt...

2023-01-13-TIL Today I Learned JPA Association Pros and Cons https://stackoverflow.com/questions/17928152/hibernate-pros-cons-of-association-mapping-without-foreginkey JPA Hypersistence Opt...

2023-01-12-TIL.md Today I Learned How to Get HttpServletRequest in Any Methods in Spring https://stackoverflow.com/questions/559155/how-do-i-get-a-httpservletrequest-in-my-spring-beans http...

2023-01-11-TIL Today I Learned Docker + Wasm https://www.docker.com/blog/docker-wasm-technical-preview/ https://docs.docker.com/desktop/wasm/ WebAssembly https://tecoble.techcourse.co...

2023-01-10-TIL Today I Learned Get Empty String When Null Objects.toString(id, ""); Optional.ofNullable(id).orElse(""); StringUtils.defaultString(str).replaceAll("^(?i)null$", ""); Java 8 이상에서...

2023-01-09-TIL Today I Learned Jackson https://hyperconnect.github.io/2019/10/28/jackson-serialize-for-global-caching.html https://d2.naver.com/helloworld/0473330 Duck Typing “If it w...

2023-01-05-TIL Today I Learned Java Logging Best Practices https://sematext.com/blog/java-logging-best-practices/ https://www.atatus.com/blog/best-practices-in-java-logging/ Audit Log ...

2022-12-26-TIL Today I Learned Sprint https://www.atlassian.com/ko/agile/scrum/sprints#:~:text=%EC%8A%A4%ED%94%84%EB%A6%B0%ED%8A%B8%EB%9E%80%3F,%ED%95%98%EB%8A%94%20%EB%8D%B0%20%EB%8F%84%EC%9...

2022-12-24-TIL Today I Learned 함수형 프로그래밍 함수형 프로그래밍을 잘 하려면 재귀함수에 익숙해져야 한다. 반복문 -> 재귀 -> 꼬리함수 최적화의 과정을 반복 숙달해야한다. func concate(Strintg s) { val leftPart = s.subString(0, 10); val r...

2022-12-21-TIL Today I Learned Go Memory Stack https://medium.com/eureka-engineering/understanding-allocations-in-go-stack-heap-memory-9a2631b5035d Java String 자바에서 String은 Object를 상속하는 객체...