본 강의에서 사용된 fabs() 말인데요.fabs()를 사용하지 않고그냥 while ((guess - PI) > 0.01)이라고 코드를 짜면왜 제대로 돌아가지 않는건가요?guess도 PI도 다 double로 선언되어 있으니까 두 변수를 뺀 값도 double 타입을 가져서 소수점 자리수가 상세하게 저장되지 않나요? 그래서 (guess - PI) > 0.001이 제대로 계산될 줄 알았는데, fabs를 사용하지 않으면 결과값이 제대로 출력되지 않네요...?

안녕하세요 선생님, 개인 포트폴리오 홈페이지를 포함해서 반응형 웹 사이트 작업물들에 대한 HTML, CSS 유효성 검사도 하나씩 다 해야 하나요?초반에 몇 번 검사를 해서 img태그의 alt속성 오류 및 h태그 중복 등 오류가 많이 떠서 일일이 고쳤었지만, 양이 방대해서 중단했습니다. 개인 홈페이지 제작 중 웹 접근성, 웹 표준을 지킨다는 문장을 넣으려다 보니 괜히 마음에 조금 거슬리네요..

인프런 아이디 : ul4382인프런 이메일 :ul4382@naver.com깃헙 아이디 : ul4382@hansung.ac.kr깃헙 Username :ul4382github 권한 요청드립니다!

클라우데라 매니저 환경 구성하는 부분부터 안열리고 앞으로도 계속 학습 진행한다는 보장이 없는데 꼭 사용해야 하나요? 아니면 다른 대체할 수 있는 게 있나요? 

@Transactional public void saveItem(Item item){ itemRepository.save(item); }여기서 Item을 저장하게 되는데, Item이 cateogry와 연결되어있는걸로 기억합니다.item이 저장될 때, category는 자동으로 저장이 되는건가요?case1category 1번, ItemAcategory 1번, ItemBcase2category 1번, ItemAcategory 2번, ItemB

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안녕하세요. 강의 교재건으로 거듭 문의드려 죄송합니다만 공유 일정 한 번만 더 확인을 부탁드리겠습니다. 감사합니다.  

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- 강의 내용외의 개인 질문은 받지 않아요. (개인 과제, 영상과 다른 접근방법 후 디버깅 요청, 고민 상담 등..)- 저 포함, 다른 수강생 분들이 함께보는 공간입니다. 보기좋게 남겨주시면 좋은 QnA 문화가 될 것 같아요. (글쓰기는 현업에서 중요한 능력입니다!)- 학습 관련 질문을 남겨주세요. 상세히 작성하면 더 좋아요! - 먼저 유사한 질문이 있었는지 검색해보세요. - 서로 예의를 지키며 존중하는 문화를 만들어가요. - 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요.vivado 는 잘 들어가지는데 무슨 오류인지 궁금하네요..

스레드풀은 10개가 디폴트로 설정되어있고ThreadLocal 의 수는 따로 안정해져있는건가요?(무한정으로 ThreadLocal의 내부 저장소를 갖고있는건가요?)

그런데 sleact 데이터 베이스와 seed Data가 제 mysql localhost에는 만들어진게 없는데, npx sequelize db:create 이 명령어와 npx sequelize db:seed:all 이 명령어를 입력했을 때, 제 mysql 상에 데이터가 들어와야 맞는거 아닌가 해서 질문 드립니다. 물론 localhost:3095는 잘 나옵니다.감사합니다.