2023-07-03-TIL

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://medium.com/design-microservices-architecture-with-patterns/cqrs-design-pattern-in-microservices-architectures-5d41e359768c
• https://always-kimkim.tistory.com/entry/cqrs-pattern

Variable used in Lambda Expression Should be Final or Effectively Final

• https://www.codementor.io/@wesome/variable-used-in-lambda-expression-should-be-final-or-effectively-final-1urrrjtmac
• https://www.baeldung.com/java-lambda-effectively-final-local-variables

JSON 데이터에 포함된 배열은 순서를 보장할까?

순서는 보장된다.

• https://www.baeldung.com/java-lambda-effectively-final-local-variables
• https://datatracker.ietf.org/doc/html/rfc7159

Nested Record Class

• https://velog.io/@yhlee9753/nested-record-class-%EC%9D%98-%EB%8C%80%ED%95%9C-%EA%B3%A0%EB%AF%BC
• https://javadevcentral.com/record-class-in-java

How to Check if Null is in Stream

• https://stackoverflow.com/questions/32114965/how-to-check-if-null-is-in-stream
• https://stackoverflow.com/questions/57951065/do-we-need-to-check-if-a-stream-in-java-8-if-it-is-null-and-not-iterate
• https://java-8-tips.readthedocs.io/en/stable/optional.html
• https://www.techiedelight.com/filter-null-values-stream-java-8/
• https://www.baeldung.com/java-null-safe-streams-from-collections
• https://stackoverflow.com/questions/17081063/how-should-we-manage-jdk8-stream-for-null-values
• https://beginnersbook.com/2017/10/java-8-filter-null-values-from-a-stream/
• https://sigmasabjil.tistory.com/43