보드탭에서 Create board 로 프로젝트를 생성하는 것과 프로젝트 만들기 버튼을 통해 프로젝트를 생성하는 것의 차이가 있을까요?

안녕하세요. 양질의 수업 잘 듣고 있습니다!string host = Dns.GetHostName(); IPHostEntry ipHost = Dns.GetHostEntry(host); IPAddress ipAddr = ipHost.AddressList[0]; IPEndPoint endPoint = new IPEndPoint(ipAddr, 7777);Unity 클라이언트의 위 코드를 IPAddress ipAddr = IPAddress.Parse("45.157.574.15"); IPEndPoint endPoint = new IPEndPoint(ipAddr, 7777);이렇게 제 외부 IP 주소를 넣고 서버를 켠 후 클라이언트를 다른 컴퓨터에서 실행시켜 봤는데 연결이 안되더라고요... (포트 포워딩도 했고 예제 샘플로도 시도해봤습니다.)구글링을 해봐도 IP주소를 저렇게 지정하면 된다고만 나와있어서 어떤 식으로 더 찾아봐야할지 감이 안잡히네요... 코드 자체에는 문제가 없고 공유기 설정과 같은 외부 문제 코드 자체가 문제강사님이 보시기에는 어느 부분이 문제일 거 같은지 단서라도 주시면 더 열심히 찾아보겠습니다.더 찾아보다가 너무 오래걸려서 작은 힌트라도 얻고자 질문드립니다..

강의에서는 PagingAdpater의 addLoadStateListener를 통해 로딩상태를 인식해 프로그래스바를 보여주는데 일반 ListAdapter는 addLoadStateListener 같은 메서드가 없더라고요 ㅠㅠ 일반 ListAdapter 에서 RecyclerView를 그리기 전에 로딩상태를 알아서 프로그래스바를 보여주는 방법은 없을까요?

제가 delete쿼리를 join해서 사용하고 싶은데제가 시도했을 때는 jpql은 join도 불가하고 @EntityGraph로도 안되더라고요 그럼 delete시에는 다른 테이블과 join하는 방법이 없나요??(jpql이나 스프링 데이터 jpa를 사용시에)

int get_integer() { int input; char c; while (scanf("%d", &input) != 1) { while ((c = getchar()) != '\n') putchar(c); printf(" is not an integer.\n Please try again : "); } return input; }제가 맞게 이해한건지 모르겠는데여기서 putchar(c)에 들어가는건 while (scanf("%d", &input) != 1)에서 scanf의 형식지정자가 맞지않아 뱉어낸 버퍼에 남아있던 값이 맞나요?

안녕하세요 DI 관련해 질문이 있습니다.```java @Controller public class MemberController { private final MemberService memberService; @Autowired public MemberController(MemberService memberService) { this.memberService = memberService; } } private final MemberService memberService; final 키워드를 붙여주는 이유가 궁금합니다.memberSevice 를 변경하지 못하게 하는 이유가 무엇인가요?

실행하는데 중간에 멈추는데 왜그럴까요?"C:\Program Files\Java\jdk-11.0.10\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.2.4\lib\idea_rt.jar=60209:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.2.4\bin" -Dfile.encoding=UTF-8 -classpath C:\Users\정다운\study\jpashop\out\production\classes;C:\Users\정다운\study\jpashop\out\production\resources;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-data-jpa\2.7.6\7eef599012347f2fb7f84ba71eba10caf094dfb5\spring-boot-starter-data-jpa-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-thymeleaf\2.7.6\18056127ee9253fbbb71d80e9dbd10827555ec27\spring-boot-starter-thymeleaf-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-validation\2.7.6\cc43bd3745e36bc741e2cf5f43db09fcac874839\spring-boot-starter-validation-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-web\2.7.6\9d0166a0390df593243bdc798ca7a1db20ddea9c\spring-boot-starter-web-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.github.gavlyukovskiy\p6spy-spring-boot-starter\1.5.6\495579c7fb01b005f19ec4d5188245c66de0937b\p6spy-spring-boot-starter-1.5.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-aop\2.7.6\23061de1832242610092f212f99d49b9a4955a9d\spring-boot-starter-aop-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-jdbc\2.7.6\9db6def4ba06a11b67f0de3eac83441d00350dd6\spring-boot-starter-jdbc-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\jakarta.transaction\jakarta.transaction-api\1.3.3\c4179d48720a1e87202115fbed6089bdc4195405\jakarta.transaction-api-1.3.3.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\jakarta.persistence\jakarta.persistence-api\2.2.3\8f6ea5daedc614f07a3654a455660145286f024e\jakarta.persistence-api-2.2.3.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.hibernate\hibernate-core\5.6.14.Final\71e407089b71ed7c6e99385fd851c308fed7be44\hibernate-core-5.6.14.Final.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.data\spring-data-jpa\2.7.6\8d0414f5cca5e31509943cd5f97cacdddd7c7384\spring-data-jpa-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework\spring-aspects\5.3.24\e97d36c3e516d3dd0579437428b6e26902da0c88\spring-aspects-5.3.24.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter\2.7.6\d15341c0fc0b1d1362ce6c737b34679ad1f836c\spring-boot-starter-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.thymeleaf\thymeleaf-spring5\3.0.15.RELEASE\7170e1bcd1588d38c139f7048ebcc262676441c3\thymeleaf-spring5-3.0.15.RELEASE.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.thymeleaf.extras\thymeleaf-extras-java8time\3.0.4.RELEASE\36e7175ddce36c486fff4578b5af7bb32f54f5df\thymeleaf-extras-java8time-3.0.4.RELEASE.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-el\9.0.69\9c89a289c35b9ec20bdfb692a22dab87256bbe67\tomcat-embed-el-9.0.69.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.hibernate.validator\hibernate-validator\6.2.5.Final\a68959c06e5f8ff45faff469aa16f232c04af620\hibernate-validator-6.2.5.Final.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-json\2.7.6\77017e2aa78224c3fa10444d659c2ce8765b910\spring-boot-starter-json-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-tomcat\2.7.6\ec920cd7f951f3cff3a0b7af80bb8f7116a3d8a5\spring-boot-starter-tomcat-2.7.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework\spring-webmvc\5.3.24\33d2187c2bf1cb2c222bd1cc18b618736babcf3d\spring-webmvc-5.3.24.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework\spring-web\5.3.24\d89bbcaabb1ff247a089875cbc4211bfe96c9a59\spring-web-5.3.24.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.github.gavlyukovskiy\datasource-decorator-spring-boot-autoconfigure\1.5.6\cac386fe9df77870133594f054ee32e5d08ab93d\datasource-decorator-spring-boot-autoconfigure-1.5.6.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\p6spy\p6spy\3.8.2\52299d9a1ec2bc2fb8b1a21cc12dfc1a7c033caf\p6spy-3.8.2.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework\spring-aop\5.3.24\efd01bc1048a2e1b6a7442fbd78170bc02c342b7\spring-aop-5.3.24.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.aspectj\aspectjweaver\1.9.7\158f5c255cd3e4408e795b79f7c3fbae9b53b7ca\aspectjweaver-1.9.7.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.zaxxer\HikariCP\4.0.3\107cbdf0db6780a065f895ae9d8fbf3bb0e1c21f\HikariCP-4.0.3.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.springframework\spring-jdbc\5.3.24\909c19ab470a59b9fd23177d26b8e880733b15d4\spring-jdbc-5.3.24.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.hibernate.common\hibernate-commons-annotations\5.1.2.Final\e59ffdbc6ad09eeb33507b39ffcf287679a498c8\hibernate-commons-annotations-5.1.2.Final.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.jboss.logging\jboss-logging\3.4.3.Final\c4bd7e12a745c0e7f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caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-to-slf4j\2.17.2\17dd0fae2747d9a28c67bc9534108823d2376b46\log4j-to-slf4j-2.17.2.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.slf4j\jul-to-slf4j\1.7.36\ed46d81cef9c412a88caef405b58f93a678ff2ca\jul-to-slf4j-1.7.36.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.attoparser\attoparser\2.0.5.RELEASE\a93ad36df9560de3a5312c1d14f69d938099fa64\attoparser-2.0.5.RELEASE.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.unbescape\unbescape\1.1.6.RELEASE\7b90360afb2b860e09e8347112800d12c12b2a13\unbescape-1.1.6.RELEASE.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-annotations\2.13.4\858c6cc78e1f08a885b1613e1d817c829df70a6e\jackson-annotations-2.13.4.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-core\2.13.4\cf934c681294b97ef6d80082faeefbe1edadf56\jackson-core-2.13.4.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-core\1.2.11\a01230df5ca5c34540cdaa3ad5efb012f1f1f792\logback-core-1.2.11.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-api\2.17.2\f42d6afa111b4dec5d2aea0fe2197240749a4ea6\log4j-api-2.17.2.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.h2database\h2\2.1.214\d5c2005c9e3279201e12d4776c948578b16bf8b2\h2-2.1.214.jar;C:\Users\정다운\.gradle\caches\modules-2\files-2.1\com.sun.activation\jakarta.activation\1.2.2\74548703f9851017ce2f556066659438019e7eb5\jakarta.activation-1.2.2.jar jpabook.jpashop.JpashopApplication . ____ _ /\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.7.6)2022-11-28 21:24:40.121 INFO 14836 --- [ main] jpabook.jpashop.JpashopApplication : Starting JpashopApplication using Java 11.0.10 on DESKTOP-RJJB2K7 with PID 14836 (C:\Users\정다운\study\jpashop\out\production\classes started by 정다운 in C:\Users\정다운\study\jpashop)2022-11-28 21:24:40.132 INFO 14836 --- [ main] jpabook.jpashop.JpashopApplication : No active profile set, falling back to 1 default profile: "default"2022-11-28 21:24:43.634 INFO 14836 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2022-11-28 21:24:43.720 INFO 14836 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 29 ms. Found 0 JPA repository interfaces.2022-11-28 21:24:48.596 INFO 14836 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)2022-11-28 21:24:48.642 INFO 14836 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]2022-11-28 21:24:48.643 INFO 14836 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.69]2022-11-28 21:24:49.191 INFO 14836 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2022-11-28 21:24:49.191 INFO 14836 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 8748 ms2022-11-28 21:24:50.256 INFO 14836 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2022-11-28 21:24:50.503 INFO 14836 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.6.14.Final2022-11-28 21:24:51.246 INFO 14836 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}2022-11-28 21:24:51.393 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration boolean -> org.hibernate.type.BooleanType@7a0ab4802022-11-28 21:24:51.393 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration boolean -> org.hibernate.type.BooleanType@7a0ab4802022-11-28 21:24:51.394 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Boolean -> org.hibernate.type.BooleanType@7a0ab4802022-11-28 21:24:51.395 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration numeric_boolean -> org.hibernate.type.NumericBooleanType@2b6fb1972022-11-28 21:24:51.398 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration true_false -> org.hibernate.type.TrueFalseType@7d59e9682022-11-28 21:24:51.400 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration yes_no -> org.hibernate.type.YesNoType@212fafd12022-11-28 21:24:51.404 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration byte -> org.hibernate.type.ByteType@2b43f3142022-11-28 21:24:51.404 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration byte -> org.hibernate.type.ByteType@2b43f3142022-11-28 21:24:51.404 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Byte -> org.hibernate.type.ByteType@2b43f3142022-11-28 21:24:51.408 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration character -> org.hibernate.type.CharacterType@6f50d55c2022-11-28 21:24:51.408 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration char -> org.hibernate.type.CharacterType@6f50d55c2022-11-28 21:24:51.409 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Character -> org.hibernate.type.CharacterType@6f50d55c2022-11-28 21:24:51.412 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration short -> org.hibernate.type.ShortType@6889f56f2022-11-28 21:24:51.413 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration short -> org.hibernate.type.ShortType@6889f56f2022-11-28 21:24:51.413 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Short -> org.hibernate.type.ShortType@6889f56f2022-11-28 21:24:51.417 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration integer -> org.hibernate.type.IntegerType@3b4ef59f2022-11-28 21:24:51.417 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration int -> org.hibernate.type.IntegerType@3b4ef59f2022-11-28 21:24:51.418 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Integer -> org.hibernate.type.IntegerType@3b4ef59f2022-11-28 21:24:51.422 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration long -> org.hibernate.type.LongType@5a7b309b2022-11-28 21:24:51.422 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration long -> org.hibernate.type.LongType@5a7b309b2022-11-28 21:24:51.422 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Long -> org.hibernate.type.LongType@5a7b309b2022-11-28 21:24:51.426 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration float -> org.hibernate.type.FloatType@b0225512022-11-28 21:24:51.426 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration float -> org.hibernate.type.FloatType@b0225512022-11-28 21:24:51.426 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Float -> org.hibernate.type.FloatType@b0225512022-11-28 21:24:51.430 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration double -> org.hibernate.type.DoubleType@530ee28b2022-11-28 21:24:51.431 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration double -> org.hibernate.type.DoubleType@530ee28b2022-11-28 21:24:51.431 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Double -> org.hibernate.type.DoubleType@530ee28b2022-11-28 21:24:51.436 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration big_decimal -> org.hibernate.type.BigDecimalType@6b4a4e402022-11-28 21:24:51.437 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.math.BigDecimal -> org.hibernate.type.BigDecimalType@6b4a4e402022-11-28 21:24:51.440 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration big_integer -> org.hibernate.type.BigIntegerType@75e80a972022-11-28 21:24:51.441 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.math.BigInteger -> org.hibernate.type.BigIntegerType@75e80a972022-11-28 21:24:51.444 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration string -> org.hibernate.type.StringType@7994a0d12022-11-28 21:24:51.444 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.String -> org.hibernate.type.StringType@7994a0d12022-11-28 21:24:51.446 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration nstring -> org.hibernate.type.StringNVarcharType@1df9186f2022-11-28 21:24:51.449 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration ncharacter -> org.hibernate.type.CharacterNCharType@72c9ebfa2022-11-28 21:24:51.455 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration url -> org.hibernate.type.UrlType@27ec87542022-11-28 21:24:51.455 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.net.URL -> org.hibernate.type.UrlType@27ec87542022-11-28 21:24:51.459 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration Duration -> org.hibernate.type.DurationType@4981d95b2022-11-28 21:24:51.474 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.Duration -> org.hibernate.type.DurationType@4981d95b2022-11-28 21:24:51.484 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration Instant -> org.hibernate.type.InstantType@595f99162022-11-28 21:24:51.484 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.Instant -> org.hibernate.type.InstantType@595f99162022-11-28 21:24:51.489 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration LocalDateTime -> org.hibernate.type.LocalDateTimeType@5f8f17122022-11-28 21:24:51.490 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.LocalDateTime -> org.hibernate.type.LocalDateTimeType@5f8f17122022-11-28 21:24:51.497 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration LocalDate -> org.hibernate.type.LocalDateType@511da44f2022-11-28 21:24:51.498 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.LocalDate -> org.hibernate.type.LocalDateType@511da44f2022-11-28 21:24:51.502 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration LocalTime -> org.hibernate.type.LocalTimeType@63d677f52022-11-28 21:24:51.503 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.LocalTime -> org.hibernate.type.LocalTimeType@63d677f52022-11-28 21:24:51.506 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration OffsetDateTime -> org.hibernate.type.OffsetDateTimeType@681e913c2022-11-28 21:24:51.507 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.OffsetDateTime -> org.hibernate.type.OffsetDateTimeType@681e913c2022-11-28 21:24:51.510 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration OffsetTime -> org.hibernate.type.OffsetTimeType@c48b5432022-11-28 21:24:51.511 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.OffsetTime -> org.hibernate.type.OffsetTimeType@c48b5432022-11-28 21:24:51.517 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration ZonedDateTime -> org.hibernate.type.ZonedDateTimeType@3c189422022-11-28 21:24:51.518 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.time.ZonedDateTime -> org.hibernate.type.ZonedDateTimeType@3c189422022-11-28 21:24:51.523 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration date -> org.hibernate.type.DateType@6ad64432022-11-28 21:24:51.524 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.Date -> org.hibernate.type.DateType@6ad64432022-11-28 21:24:51.528 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration time -> org.hibernate.type.TimeType@69a5c6be2022-11-28 21:24:51.529 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.Time -> org.hibernate.type.TimeType@69a5c6be2022-11-28 21:24:51.533 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration timestamp -> org.hibernate.type.TimestampType@a91119b2022-11-28 21:24:51.536 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.Timestamp -> org.hibernate.type.TimestampType@a91119b2022-11-28 21:24:51.541 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.Date -> org.hibernate.type.TimestampType@a91119b2022-11-28 21:24:51.551 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration dbtimestamp -> org.hibernate.type.DbTimestampType@2f0ccb342022-11-28 21:24:51.555 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration calendar -> org.hibernate.type.CalendarType@64279ab2022-11-28 21:24:51.555 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.Calendar -> org.hibernate.type.CalendarType@64279ab2022-11-28 21:24:51.556 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.GregorianCalendar -> org.hibernate.type.CalendarType@64279ab2022-11-28 21:24:51.557 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration calendar_date -> org.hibernate.type.CalendarDateType@2484dbb72022-11-28 21:24:51.583 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration calendar_time -> org.hibernate.type.CalendarTimeType@58a3d5212022-11-28 21:24:51.586 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration locale -> org.hibernate.type.LocaleType@68dfda772022-11-28 21:24:51.587 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.Locale -> org.hibernate.type.LocaleType@68dfda772022-11-28 21:24:51.591 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration currency -> org.hibernate.type.CurrencyType@75bd28d2022-11-28 21:24:51.595 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.Currency -> org.hibernate.type.CurrencyType@75bd28d2022-11-28 21:24:51.598 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration timezone -> org.hibernate.type.TimeZoneType@cbf19972022-11-28 21:24:51.599 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.TimeZone -> org.hibernate.type.TimeZoneType@cbf19972022-11-28 21:24:51.602 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration class -> org.hibernate.type.ClassType@3b5a19ed2022-11-28 21:24:51.602 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Class -> org.hibernate.type.ClassType@3b5a19ed2022-11-28 21:24:51.607 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration uuid-binary -> org.hibernate.type.UUIDBinaryType@33eb0d42022-11-28 21:24:51.608 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.util.UUID -> org.hibernate.type.UUIDBinaryType@33eb0d42022-11-28 21:24:51.610 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration uuid-char -> org.hibernate.type.UUIDCharType@5ca4dce52022-11-28 21:24:51.614 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration binary -> org.hibernate.type.BinaryType@325162e92022-11-28 21:24:51.614 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration byte[] -> org.hibernate.type.BinaryType@325162e92022-11-28 21:24:51.622 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration [B -> org.hibernate.type.BinaryType@325162e92022-11-28 21:24:51.624 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration wrapper-binary -> org.hibernate.type.WrapperBinaryType@545d25602022-11-28 21:24:51.625 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration Byte[] -> org.hibernate.type.WrapperBinaryType@545d25602022-11-28 21:24:51.626 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration [Ljava.lang.Byte; -> org.hibernate.type.WrapperBinaryType@545d25602022-11-28 21:24:51.632 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration row_version -> org.hibernate.type.RowVersionType@166810172022-11-28 21:24:51.633 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration image -> org.hibernate.type.ImageType@2d206a712022-11-28 21:24:51.642 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration characters -> org.hibernate.type.CharArrayType@565d7d2f2022-11-28 21:24:51.642 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration char[] -> org.hibernate.type.CharArrayType@565d7d2f2022-11-28 21:24:51.643 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration [C -> org.hibernate.type.CharArrayType@565d7d2f2022-11-28 21:24:51.647 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration wrapper-characters -> org.hibernate.type.CharacterArrayType@42a0786f2022-11-28 21:24:51.648 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration [Ljava.lang.Character; -> org.hibernate.type.CharacterArrayType@42a0786f2022-11-28 21:24:51.650 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration Character[] -> org.hibernate.type.CharacterArrayType@42a0786f2022-11-28 21:24:51.653 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration text -> org.hibernate.type.TextType@39652a302022-11-28 21:24:51.655 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration ntext -> org.hibernate.type.NTextType@561f9d922022-11-28 21:24:51.660 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration blob -> org.hibernate.type.BlobType@61d60e382022-11-28 21:24:51.660 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.Blob -> org.hibernate.type.BlobType@61d60e382022-11-28 21:24:51.661 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration materialized_blob -> org.hibernate.type.MaterializedBlobType@20256a0b2022-11-28 21:24:51.667 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration clob -> org.hibernate.type.ClobType@ceb77012022-11-28 21:24:51.667 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.Clob -> org.hibernate.type.ClobType@ceb77012022-11-28 21:24:51.673 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration nclob -> org.hibernate.type.NClobType@79ca7bea2022-11-28 21:24:51.673 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.sql.NClob -> org.hibernate.type.NClobType@79ca7bea2022-11-28 21:24:51.709 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration materialized_clob -> org.hibernate.type.MaterializedClobType@147cc9402022-11-28 21:24:51.711 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration materialized_nclob -> org.hibernate.type.MaterializedNClobType@23e611122022-11-28 21:24:51.716 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration serializable -> org.hibernate.type.SerializableType@226d5af02022-11-28 21:24:51.729 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration object -> org.hibernate.type.ObjectType@578c3fd92022-11-28 21:24:51.731 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration java.lang.Object -> org.hibernate.type.ObjectType@578c3fd92022-11-28 21:24:51.733 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_date -> org.hibernate.type.AdaptedImmutableType@125f16b22022-11-28 21:24:51.734 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_time -> org.hibernate.type.AdaptedImmutableType@5384ce662022-11-28 21:24:51.735 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_timestamp -> org.hibernate.type.AdaptedImmutableType@6b42e36d2022-11-28 21:24:51.735 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_dbtimestamp -> org.hibernate.type.AdaptedImmutableType@131922752022-11-28 21:24:51.736 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_calendar -> org.hibernate.type.AdaptedImmutableType@79195c222022-11-28 21:24:51.736 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_calendar_date -> org.hibernate.type.AdaptedImmutableType@c9b5a992022-11-28 21:24:51.736 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_binary -> org.hibernate.type.AdaptedImmutableType@70be89ec2022-11-28 21:24:51.737 DEBUG 14836 --- [ main] org.hibernate.type.BasicTypeRegistry : Adding type registration imm_serializable -> org.hibernate.type.AdaptedImmutableType@2aee07042022-11-28 21:24:52.135 INFO 14836 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2022-11-28 21:24:52.649 INFO 14836 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2022-11-28 21:24:52.915 INFO 14836 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect2022-11-28 21:24:53.160 DEBUG 14836 --- [ main] o.h.type.spi.TypeConfiguration$Scope : Scoping TypeConfiguration [org.hibernate.type.spi.TypeConfiguration@16bbaab3] to MetadataBuildingContext [org.hibernate.boot.internal.MetadataBuildingContextRootImpl@3f357c9d]2022-11-28 21:24:53.963 ERROR 14836 --- [ main] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: mappedBy reference an unknown target entity property: jpabook.jpashop.domain.Category.items in jpabook.jpashop.domain.item.Item.categories2022-11-28 21:24:53.965 WARN 14836 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: jpabook.jpashop.domain.Category.items in jpabook.jpashop.domain.item.Item.categories2022-11-28 21:24:53.965 INFO 14836 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...2022-11-28 21:24:53.999 INFO 14836 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.2022-11-28 21:24:54.011 INFO 14836 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]2022-11-28 21:24:54.046 INFO 14836 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.2022-11-28 21:24:54.134 ERROR 14836 --- [ main] o.s.boot.SpringApplication : Application run failedorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: jpabook.jpashop.domain.Category.items in jpabook.jpashop.domain.item.Item.categories at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1154) ~[spring-context-5.3.24.jar:5.3.24] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:908) ~[spring-context-5.3.24.jar:5.3.24] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.24.jar:5.3.24] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.6.jar:2.7.6] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) ~[spring-boot-2.7.6.jar:2.7.6] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) ~[spring-boot-2.7.6.jar:2.7.6] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-2.7.6.jar:2.7.6] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) ~[spring-boot-2.7.6.jar:2.7.6] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) ~[spring-boot-2.7.6.jar:2.7.6] at jpabook.jpashop.JpashopApplication.main(JpashopApplication.java:10) ~[classes/:na]Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: jpabook.jpashop.domain.Category.items in jpabook.jpashop.domain.item.Item.categories at org.hibernate.cfg.annotations.CollectionBinder.bindStarToManySecondPass(CollectionBinder.java:875) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.cfg.annotations.CollectionBinder$1.secondPass(CollectionBinder.java:826) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:54) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.processSecondPasses(InFlightMetadataCollectorImpl.java:1653) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.processSecondPasses(InFlightMetadataCollectorImpl.java:1629) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:295) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1460) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1494) ~[hibernate-core-5.6.14.Final.jar:5.6.14.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.3.24.jar:5.3.24] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) ~[spring-orm-5.3.24.jar:5.3.24] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-5.3.24.jar:5.3.24] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) ~[spring-orm-5.3.24.jar:5.3.24] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) ~[spring-orm-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.24.jar:5.3.24] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.24.jar:5.3.24] ... 16 common frames omittedProcess finished with exit code 1 

const changeTitle = e => { setTimeout(() => { console.log('update:title'); emit('update:title', e.target.value); }, 500); };이 코드는 타이핑 한 횟수대로 요청을 보내게 되네요. 말씀하신 부분은 디바운스나 스로틀로 해결하는 것이 좋을 것 같아요. 서버에 요청하는 횟수를 줄이는 것이 요점이라고 생각됩니다. 해당 개념에 대해 언급해주시고, 관련된 방법을 제안해주시는 편도 좋을 것 같다고 생각합니다.

강의 영상 중 약 10분 40초 경에 터미널에 serve -s build를 하시는 부분이 있는데,제가 따라서 serve-s build를 입력하면, Python이라고만 터미널에 출력되고 아무 반응이 없습니다.인터넷에 찾아봐도 해결 방법을 모르겠네요...아무래도 Python과 관련된 명령어가 아닌가 생각이 듭니다.

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예)[질문 내용]안녕하세요. 좋은 강의 덕분에 양질의 지식을 비교적 수월하게 습득하고 있습니다.양방향 연관관계에서 편의 메서드는 어디에 위치하는게 좋은지 여쭙고자 합니다.(비슷한 질문들을 봤지만 이러한 경우에 어떤게 가장 좋은 선택일지 궁금하여 질문드립니다.)비슷한 질문1 : https://www.inflearn.com/questions/16308비슷한 질문2 : https://www.inflearn.com/questions/99330 현재상태위와 같이 일대다(1:N) 관계가 있고 Team 을 애그리거트 루트로 잡았습니다.도메인 룰은 다음과 같습니다.Team 은 반드시 이름이 있어야한다.Player는 반드시 이름과 나이가 있어야한다.Player는 반드시 Team에 소속되어야하며, 하나의 Team 에만 소속될 수 있다.player 의 Team 은 변경될 수 없다.엔티티 코드 입니다. (연관관계 편의 메서드를 애그리거트 루트쪽에 두었습니다.)(두 엔티티는 동일한 패키지에 있습니다. package com.example.jpa.module.team.domain;)@Entity public class Team { @Id @GeneratedValue private Long teamNo; private String name; @OneToMany(mappedBy = "team", cascade = CascadeType.ALL) private List<Player> players = new ArrayList<>(); //생성자 public Team(String name) { this.name = name; } //연관관계 편의 메서드 public void addPlayer(Player player) { player.setTeam(this); this.players.add(player); } }@Entity public class Player { @Id @GeneratedValue private Long playerNo; private String name; private Integer age; @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "team_no") private Team team; //생성자 public Player(String name, int age) { this.name = name; this.age = age; } void setTeam(Team team) { this.team = team; } }service 계층 코드입니다.Team team = new Team("team1"); Player player = new Player("kim", 24); team.addPlayer(player); teamRepository.save(team);Team 이 Player 를 완전히 소유하는 관계이기 때문에 애그리거트 루트를 Team 으로 잡았고 연관관계 메서드 또한 Team 에 있는게 자연스러워 보입니다.(예시가 Team-Player라 결합도가 좀 떨어지는것 처럼 느껴지는데 주문-주문항목 이나 게시글-첨부파일 같은 관계로 봐주시면 감사하겠습니다.)문제점연관관계 편의 메서드 addPlayer(..)가 호출되기 전까지 Player의 도메인 룰이 깨진 상태가 됩니다.도메인 룰 3번 "Player 는 반드시 Team에 소속되어야 한다" 를 위반하게 됩니다.Player의 setTeam(..) 메서드를 클래스 외부에 공개해야 합니다.같은 패키지라 public 으로 공개하진 않았지만 해당 메서드로 인해 도메인 룰 4번 "player 의 Team 은 변경될 수 없다." 를 위반할 여지가 생겼습니다.setTeam(..) 메서드에 this.team != null 인 경우 예외를 발생시켜 도메인 룰을 지킬 수 있지만 좋은 방법인지 잘 모르겠습니다..시도한 방법Player의 생성자에 Team을 받도록 합니다.public Player(Team team, String name, int age) { this.team = team; this.name = name; this.age = age; }근데 이렇게 하니 그냥 연관관계 편의 메서드를 Player에 두는게 나은것 같아 생성될때 연관관계를 맺도록 정적 팩토리 메서드를 작성했습니다.public static Player createAndLink(Team team, String name, int age) { Player player = new Player(team, name, age); //생성자 private 으로 변경 team.getPlayers().add(player); //반대편 연관관계 설정 return player; }일단 도메인 룰은 모두 만족하는 듯 보이나 service 계층 코드가 뭔가 부자연스럽습니다.Team team = new Team("team1"); Player player = Player.createAndLink(team, "kim", 24); teamRepository.save(team);위 코드를 보면 player를 생성하고 사용하지 않는것 처럼 보여 불필요한 코드로 인식됩니다.(인텔리제이에서도 player가 미사용 중이라고 나옵니다.)혹시 위와 같은 상황에서 어떻게 해결하는게 가장 좋은 방법일까요?(긴 글 읽어주셔서 감사합니다.)

well-formed-iterator의 개념적 정의는 이해하였습니다. 근데 이걸 왜 구현해야하는지 에 대한 의문이 남아 개인적으로 아래와 같이 정리해보았습니다.이터러블/이터레이터 프로토콜을 따르는 어떤 값이 어디서 혹은 어떤 시점에 사용이 되던 가장 마지막 next 메소드를 호출한 이후 상태를 유지하기 위함혹시 위 내용에서 틀린 부분이라던가 혹은 또 다른 이유가 있을까 해서 질문남깁니다...!

개발자 콘솔 네트워크 탭에서 HTTP 응답 메세지 원문을 보는 방법을 알 수 있을까요?? 구글링과 네트워크 탭을 열심히 찾아봐도 알기 어려워서 질문 남겨요

선생님 안녕하세요! 강의 재미있게 잘 듣고 있습니다.유용한 강의 열어주셔서 감사합니다 :) [질문1]아이콘 만들기 강의에서, 다 완성된 아이콘을 화이트 프레임 위에서 확인하라고 하셨는데키라인을 만들어둔 프레임을 키라인 없이 화이트 배경만 남기고 한번에 복사하시더라구요요거 어떻게 하는걸까요..? 방법을 몰라서 노가다로 하나씩 프레임을 다시 만들었습니다 ..![질문2]키라인을 만들고나서 실제 아이콘을 만들 때 키라인을 건들지 않으려면 잠궈둬야 한다고 하셨는데저 자물쇠 모양으로 잠궈야하는건지, 그룹화를 해야하는건지 헷갈립니다!자물쇠로 잠궈두면 키라인 프레임이 복사가 안되더라구요 ㅠ 복사한 다음에 잠궈야하는걸까요..?

섹션 7 끝까지 다 했고 기기 하나는 노트북에 연결하고 하나는 AVD로 실행시켰습니다. 강의에 나온 거 똑같이 했고 다른 건 되는데 <Invalid 캐시 삭제>의 1:10초처럼 서로 좋아요한 닉네임을 눌렀을 때 푸시가 안옵니다. 혹시 도움을 주실 수 있을까 싶어 질문 드립니다! 닉네임을 눌렀을 때부터의 로그캣입니다.<AVD>W/le.sogating_2n: Accessing hidden method Ljava/lang/invoke/MethodHandles$Lookup;-><init>(Ljava/lang/Class;I)V (greylist, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->get()Ldalvik/system/CloseGuard; (greylist,core-platform-api, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->open(Ljava/lang/String;)V (greylist,core-platform-api, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->warnIfOpen()V (greylist,core-platform-api, reflection, allowed)D/CompatibilityChangeReporter: Compat change id reported: 147798919; UID 10155; state: ENABLEDV/FA: Inactivity, disconnecting from the service <휴대폰>V/FA: Inactivity, disconnecting from the serviceD/ViewRootImpl@20adb07[MyLikeListActivity]: ViewPostIme pointer 0D/ViewRootImpl@20adb07[MyLikeListActivity]: ViewPostIme pointer 1D/AbsListView: onTouchUp() mTouchMode : 0W/le.sogating_2n: Accessing hidden method Ljava/lang/invoke/MethodHandles$Lookup;-><init>(Ljava/lang/Class;I)V (greylist, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->get()Ldalvik/system/CloseGuard; (greylist,core-platform-api, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->open(Ljava/lang/String;)V (greylist,core-platform-api, reflection, allowed)W/le.sogating_2n: Accessing hidden method Ldalvik/system/CloseGuard;->warnIfOpen()V (greylist,core-platform-api, reflection, allowed)W/le.sogating_2n: Accessing hidden field Lsun/misc/Unsafe;->theUnsafe:Lsun/misc/Unsafe; (greylist, reflection, allowed)W/le.sogating_2n: Accessing hidden method Lsun/misc/Unsafe;->allocateInstance(Ljava/lang/Class;)Ljava/lang/Object; (greylist, reflection, allowed)D/ViewRootImpl@df4e371[Toast]: setView = android.widget.LinearLayout@8f77556 TM=true MM=falseV/Toast: Text: 맥칭이 in android.widget.Toast$TN@da159d7D/ViewRootImpl@df4e371[Toast]: Relayout returned: old=(0,135,1080,2214) new=(314,1930,765,2046) req=(451,116)0 dur=17 res=0x7 s={true 482787987456} ch=trueD/OpenGLRenderer: createReliableSurface : 0x7159eca840, 0x7068681000D/ViewRootImpl@df4e371[Toast]: MSG_RESIZED: frame=(314,1930,765,2046) ci=(0,0,0,0) vi=(0,0,451,116) or=1D/ViewRootImpl@df4e371[Toast]: dispatchDetachedFromWindowD/InputTransport: Input channel destroyed: 'f23e768', fd=106 혹시 이 부분도 안되는 것과 연관이 있을까요?2022-11-28 18:46:07.719 4790-4790/? E/Zygote: isWhitelistProcess - Process is Whitelisted2022-11-28 18:46:07.721 4790-4790/? E/Zygote: accessInfo : 12022-11-28 18:46:07.743 4790-4790/? I/le.sogating_2n: Late-enabling -Xcheck:jni2022-11-28 18:46:07.765 4790-4790/? E/le.sogating_2n: Unknown bits set in runtime_flags: 0x8000  2022-11-29 11:52:58.828 9559-9700/com.example.sogating_2nd V/FA: Inactivity, disconnecting from the service 그리고 FirebaseService.kt의 onMessageReceived 안의 로그가 찍히지 않는 것 같습니다. 혹시 onMessageReceived는 어디서 불러오는지 알 수 있을까요?

List<Schedule> schedules = []; if(snapshot.hasData){ schedules = snapshot.data!.where((element) => element.date == selectedDate).toList(); } 이 부분에서 Try correcting the name to the name of an existing getter, or defining a getter or field named 'selectedDate'.이런 오류메세지가 나옵니다 ㅠㅠ  

- 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. 안녕하세요 이번 강의 들으면서 진행중인데요.검색 해보니깐 AWS에 S3로 하는 정보는 많은데 EC2나 네이버 플랫폼 서버에 대한 내용이 없어서 질문 드립니다.EC2 같은 경우에는 어떤 URL을 넣어야는 지 알 수 있을까요??

luka_kim@HY-M1-PRO learn-vue3 % npm run dev > learn-vue3@0.0.0 dev > vite failed to load config from /Users/luka_kim/#Learn/vue3/learn-vue3/vite.config.js error when starting dev server: Error: cannot test case insensitive FS, CLIENT_ENTRY does not point to an existing file: /dist/client/client.mjs at testCaseInsensitiveFS (/Users/luka_kim/#Learn/vue3/learn-vue3/node_modules/vite/dist/node-cjs/publicUtils.cjs:3432:15) at Object.<anonymous> (/Users/luka_kim/#Learn/vue3/learn-vue3/node_modules/vite/dist/node-cjs/publicUtils.cjs:3437:1) at Module._compile (node:internal/modules/cjs/loader:1105:14) at Module._extensions..js (node:internal/modules/cjs/loader:1159:10) at Object._require.extensions.<computed> [as .js] (file:///Users/luka_kim/%23Learn/vue3/learn-vue3/node_modules/vite/dist/node/chunks/dep-67e7f8ab.js:62854:17) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Module.require (node:internal/modules/cjs/loader:1005:19) at require (node:internal/modules/cjs/helpers:102:18) at Object.<anonymous> (/Users/luka_kim/#Learn/vue3/learn-vue3/node_modules/vite/index.cjs:7:31)강의 극 초반부입니다.시작하자마자 에러가 나니까 의욕이 너무 감소해버립니다 ㅜ몇시간 찾아도 해결이 안되서 문의 남깁니다.도와주세요 ;ㅁ;npm run dev를 하게되면 나타나는 증상입니다.노드버전 : v16.16.0CLI 버전 : 5.0.8 다음은 package.json 입니다.{ "name": "learn-vue3", "version": "0.0.0", "private": true, "scripts": { "dev": "vite", "build": "vite build", "preview": "vite preview", "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs --fix --ignore-path .gitignore" }, "dependencies": { "vue": "^3.2.45" }, "devDependencies": { "@rushstack/eslint-patch": "^1.1.4", "@vitejs/plugin-vue": "^3.2.0", "@vue/eslint-config-prettier": "^7.0.0", "eslint": "^8.22.0", "eslint-plugin-vue": "^9.3.0", "prettier": "^2.7.1", "vite": "^3.2.4" } }

background-image를 이용해 로고를 넣으려고 합니다. 그런데 이상한 경우가 계속 발생해서 문의드립니다. 파일 경로test\static\base.csstest\static\image.pngtest\media\header\image.pngtest\templates\header.html이런식으로 폴더가 구성 되어 있습니다.header.html 파일에서 코드를 짜고, css 같은 경우 base.css에서 불러와서 사용을 하고 있습니다.이때 base.css 파일에서.header_logo{ user-select: none; position: absolute; overflow: hidden; left: 0rem; top: 0rem; width: 14rem; height: 3.5rem; border-radius: 0rem; background-color: rgb(173, 123, 97); background-image: url("image.png"); background-repeat: no-repeat; background-position: 50% 50%; cursor: default; direction: inherit; border: none; }이런 경로로 이미지 파일을 불러오면 정상 작동 합니다..header_logo{ user-select: none; position: absolute; overflow: hidden; left: 0rem; top: 0rem; width: 14rem; height: 3.5rem; border-radius: 0rem; background-color: rgb(173, 123, 97); background-image: url("../media/header/image.png"); background-repeat: no-repeat; background-position: 50% 50%; cursor: default; direction: inherit; border: none; }이렇게 이미치 파일을 불러오면 이미지가 나오지 않습니다. 어떤이유로 이런 현상이 생기는 걸까요?static 폴더에 대한 설정은 되어있고, media 폴더에 대한 설정이 되어 있지 않아 이런 경우가 생길까요? 문의드립니다!

{{ target_user.profile.nickname }}header.html 파일에 위의 코드를 이용하여 로그인한 유저의 정보를 표출하게 만드는 기능을 구현하고자 합니다.그런데 base.html 파일에 들어갈 app에 따라서 header측에 정보가 뜰때도 안뜰때도 있더라구요,어떤 정보를 app의 template의 html 파일에 작성해 주어야 어떤 페이지 일 경우에도 header에 로그인 한 유저의 정보가 표출 될지 문의드립니다.

안녕하세요. 강의 잘 듣고있습니다 :)allopen 관련 질문이 하나 있는데요.이전 강의에서 UserService를 코틀린으로 리팩토링했었는데 해당 과정부터 이번 BookService 리팩토링 강의까지 allopen 관련 에러가 발생하는 것 같습니다.Failed to resolve parameter [com.group.libraryapp.domain.user.UserRepository userRepository] in constructor [public com.group.libraryapp.service.user.UserServiceTest(com.group.libraryapp.domain.user.UserRepository,com.group.libraryapp.service.user.UserService)]: Failed to load ApplicationContext org.junit.jupiter.api.extension.ParameterResolutionException: Failed to resolve parameter [com.group.libraryapp.domain.user.UserRepository userRepository] in constructor [public com.group.libraryapp.service.user.UserServiceTest(com.group.libraryapp.domain.user.UserRepository,com.group.libraryapp.service.user.UserService)]: Failed to load ApplicationContext at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:239) at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:355) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:302) at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:280) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272)리팩토링을 완료하고 테스트 코드를 실행시켜보면 위와 같은 에러가 발생합니다.하지만 UserService의 클래스와 메소드들에 open을 붙여주면 정상적으로 돌아가더라구요.plugins { id 'org.springframework.boot' version '2.6.8' id 'io.spring.dependency-management' version '1.0.11.RELEASE' id 'java' id 'org.jetbrains.kotlin.jvm' version '1.6.21' id 'org.jetbrains.kotlin.plugin.jpa' version '1.6.21' id "org.jetbrains.kotlin.plugin.allopen" version "1.6.21" } allOpen { annotation("javax.persistence.Entity") annotation("javax.persistence.MappedSuperclass") annotation("javax.persistence.Embeddable") } group = 'com.group' version = '0.0.1-SNAPSHOT' sourceCompatibility = '11' repositories { mavenCentral() } dependencies { implementation 'org.springframework.boot:spring-boot-starter-data-jpa' implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8' implementation 'org.jetbrains.kotlin:kotlin-reflect:1.6.21' implementation 'org.junit.jupiter:junit-jupiter:5.7.0' implementation "org.assertj:assertj-core:3.11.1" implementation "org.springframework.boot:spring-boot-starter-test" runtimeOnly 'com.h2database:h2' testImplementation 'org.springframework.boot:spring-boot-starter-test' testImplementation "org.assertj:assertj-core:3.11.1" } tasks.named('test') { useJUnitPlatform() } compileKotlin { kotlinOptions { jvmTarget = "11" } } compileTestKotlin { kotlinOptions { jvmTarget = "11" } }현재 제 build.gradle 파일도 같이 첨부합니다.감사합니다 :)