Discussions

• 1 You must be logged in to vote

  🪅

  Kafka Consumer LocalDateTime 역직렬화 오류 해결

  jaejlf asked Feb 13, 2026 in Kafka · Unanswered

  

  

  0
• 1 You must be logged in to vote

  ☕

  [Java] Lombok의 @Builder와 @Builder.Default

  어노테이션(Annotation) 롬복(Lombok) @Builder

  jaejlf asked Feb 10, 2026 in Java · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🤖

  [Redis] 동시성 이슈 해결하기 (feat. SET NX)

  동시성(Concurrency) 레디스(Redis)

  jaejlf asked Feb 5, 2026 in Redis · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🧚‍♀️

  [배포] Graceful Shutdown

  무중단 배포 Graceful Shutdown

  jaejlf asked Feb 5, 2026 in 인프라 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🗃️

  [MySQL] 조건부 인덱스 활용하기

  MySQL 인덱스(Index) 함수 기반 인덱스(Functional Index)

  jaejlf asked Feb 5, 2026 in 데이터베이스 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🔗

  [HTTP] 쿼리 파라미터로 리스트 전달하기 & Spring Boot에서의 처리 방법

  HTTP RequestParam StringToCollectionConverter

  jaejlf asked Feb 5, 2026 in 네트워크 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🤖

  [Redis] 여러 명령어 효율적으로 처리하기 (MGET, Lua 스크립트)

  레디스(Redis)

  jaejlf asked Jan 23, 2026 in Redis · Unanswered

  

  

  0
• 1 You must be logged in to vote

  ☕

  [Java] Lombok의 @Singular 어노테이션

  어노테이션(Annotation) 롬복(Lombok) @Builder

  jaejlf asked Oct 29, 2025 in Java · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🗃️

  [SQL] IN 절의 중복 값 처리

  IN

  jaejlf asked Oct 29, 2025 in 데이터베이스 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  ☕

  [Java] default 메서드

  인터페이스(Interface) default 메서드

  jaejlf asked Oct 29, 2025 in Java · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🪴

  [JPA] 인터페이스 프로젝션(Interface Projection)

  JPA 프로젝션(Projection)

  jaejlf asked Oct 29, 2025 in Spring/JPA · Unanswered

  

  

  0
• 1 You must be logged in to vote

  ☕

  [Java] Java의 직렬화(Serializable)

  직렬화(Serializable)

  jaejlf asked Jun 3, 2025 in Java · Unanswered

  

  

  1
• 1 You must be logged in to vote

  🪅

  [Kafka] 기본 개념 이해하기

  카프카(Kafka)

  jaejlf asked Jul 12, 2025 in Kafka · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🗃️

  [MySQL] 파티션 키가 PK에 포함되어야하는 이유

  파티셔닝(Partitioning) PK(Primary Key)

  jaejlf asked Jun 3, 2025 in 데이터베이스 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🦞

  [운영체제] 가상 메모리

  가상 메모리(Virtual Memory)

  jaejlf asked Jun 14, 2025 in 운영체제 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🗃️

  [MySQL] 캐릭터셋(Character Set)과 콜레이션(Collation)

  캐릭터셋(Character Set) 콜레이션(Collation)

  jaejlf asked Jun 3, 2025 in 데이터베이스 · Unanswered

  

  

  0
• 1 You must be logged in to vote

  ☕

  [SQL] NOT IN 빈 리스트 문제

  SQL

  jaejlf asked Jun 3, 2025 in Java · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🗃️

  [MySQL] 메타데이터 락 (feat. DROP DROP PARTITION)

  파티셔닝(Partitioning) 락(Lock)

  jaejlf asked Jun 3, 2025 in 데이터베이스 · Unanswered

  

  

  1
• 1 You must be logged in to vote

  ☕

  [Java] ThreadLocal 사용하기

  ThreadLocal

  jaejlf asked May 24, 2025 in Java · Unanswered

  

  

  2
• 1 You must be logged in to vote

  🪴

  [JPA] @SQLRestriction으로 조건에 따라 엔티티 조회하기

  JPA

  jaejlf asked Mar 25, 2025 in Spring/JPA · Unanswered

  

  

  1
• 1 You must be logged in to vote

  ☕

  [Java] JVM, JRE, JDK

  JVM JRE JDK

  jaejlf asked Nov 12, 2024 in Java · Unanswered

  

  

  3
• 1 You must be logged in to vote

  ☕

  [Java] JVM 옵션

  JVM GC(Garbage Collection) 메모리(Memory)

  jaejlf asked Nov 12, 2024 in Java · Unanswered

  

  

  2
• 1 You must be logged in to vote

  ☕

  [Java] 변수의 종류

  변수(Variable) 래퍼(Wrapper)

  jaejlf asked Jan 6, 2025 in Java · Unanswered

  

  

  1
• 1 You must be logged in to vote

  ☕

  [Java] Java 프로세스 메모리 영역

  JVM 메모리(Memory)

  jaejlf asked Nov 12, 2024 in Java · Unanswered

  

  

  4
• 1 You must be logged in to vote

  ☕

  [Java] 제네릭(Generic)

  제네릭(Generic)

  jaejlf asked Dec 8, 2024 in Java · Unanswered

  

  

  0