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목록분류 전체보기 (411)
IT.FARMER
jpa class 생성할때 @Id 가 선언된 class 에 implement Serializable 을 해주어야한다. reson 두개의 복합키를 만드는경우엔 직열화( serializable)를 하라고 하는데 자바에서의 직열화란 자바시스템 내부에서 사용되는 객체를 외부의 자바 시스템에서도 사용할수 있도록 바이트형태로 데이터를 변환하는 기술이다. 즉 자바시스템간의 데이터 교환을 위해존재한다. 근데 JPA 여기선 왜? 만들라고 하는거지 ? https://bravenamme.github.io/2020/02/05/java-serializable/ 여기에 나와 있긴 한데. 시스템이 종료되더라도 없어지지 않고 영속화되어 네트워크 전송이 가능하다라고 한다. JSR220 에따르면 이객체를 어딘가로 전송하거나. 기록하는 ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
2021.07.21 - [Spring/Spring Cloud] - Spring Cloud 2021.07.21 - [Spring/Spring Cloud] - Netflix OSS 와 Spring Cloud 의 ecosystem 2021.07.21 - [Spring/Spring Cloud] - spring cloud eureka 2021.07.21 - [Spring/Spring Cloud] - Spring Cloud Gateway, Circuit Breaker and Hystrix with in Eureka 2021.07.21 - [Spring/Spring Cloud] - API Gateway (Application Programming Interface) 2021.07.21 - [Spring/Spring ..
centos tesseract, open cv 사용시 오류 리포팅 ImportError: libSM.so.6: cannot open shared object file: No such file or directory sudo yum install libXext libSM libXrender 를 설치해준다. centos tesseract, open cv 사용시 오류 리포팅 [skan@ae-report-crawler]$ python3.6 application.py dev Traceback (most recent call last): File "application.py", line 4, in from com.aereport.scraping.batch.schedulers.common_scheduler impor..