이전 모바일 웹 퍼블리싱 figma를 수강했는데,이번 강의에서는 알면 넘어가도 된다는 내용이 없어서요 이번 강의 figma에서 새로 쓰는 기능이 있는지, 아니면 html 프레임 잡는거부터 바로 시작해도 충분할까요?

fly.io에 server 프로젝트를 deploy 단계까지 마쳤다.web 프로젝트까지 배포가 완료 되어 모든 동작이 잘 이뤄지고 있다.하지만, 일정 시간이 지나면 자동으로 fly.io에 배포된 DB가 초기화가 된다.초기화가 된 것인지, local의 데이터가 자동 업로드 되면서 덮어씌여진 것인지는 잘 모르겠다.이전 질문의 답변을 보면, Commit을 하면서 fly.io가 자동으로 덮어씌여진다는 것을 보았다.-> 하지만, 실험 결과 Commit을 따로 하지 않아도 초기화가 된다.만약 git과 연관이 있다면6-1. 배포 이후 별다른 작업을 하지 않았지만, 일정시간이 지나면, vercel와 같이 자동으로 git의 repository 최신 내용 바탕으로 업데이트 되어, git에 이미 올라가 있던 DB가 fly.io에 반영이 되는것인가가 궁금합니다.6-2. 또한, 그렇다면 애초에 vercel은 레포지토리 주소를 참고하여 배포하였다면, fly.io는 그저 플랫폼 로그인 수단으로만 git을 연동하였는데, 최신 커밋을 참고하는 기능이 있는지도 궁금합니다.결론적으로 현재 반복적으로 DB가 초기화 되는 현상을 고치고 싶습니다. 추가적인 실험 결과, 로컬의 nodemon server.js가 돌고 있는 server 프로젝트를 종료를 하여도, 일정 시간이 지나면 fly.io의 DB가 초기화 되는 것으로 보아, server의 내용이 바뀌면서 자동으로 로컬 내용이 fly.io로 넘어가는 것도 아닌 것 같습니다. 

강사님, 영상 잘 보고 있습니다!지금 데이터베이스 쪽 강의를 듣고 있는데, 강의에서 데이터베이스의 기능들을 쭉 설명해 주시고, 대충 어떤 기능을 하는지는 잘 알았는데요, 이것을 가지고 실제로 게임에서 실습을 할때 DB를 어떻게 사용하고, 어떤 방식으로 사용하는지에 대해서 알고 싶은데, 혹시 강사님 강의 중에 그런 강의가 있는지, 만약 없으시다면 추천해주시는 공부법, 실습법 등이 있는지 궁금합니다!

시그니처가 변경되어 열리지 않는 파일을 증거로서 답안제출 시 시그니처를 변경전 상태로 제출할까요? 아니면 변경 후 열려지는 모습으로 제출하나요? 아니면 둘다 포함하여 제출할까요?질문드립니다.

강사님의 강의를 보면서 타 스타트업 과제와 협업한 영어 포트폴리오가 있습니다. 혹시 이메일을 보내면 귀한 피드백을 제공해 주실지요? :)

nodebird-api 미들웨어 index.js코드 const jwt = require("jsonwebtoken"); const rateLimit = require("express-rate-limit"); const User = require("../models/user"); exports.isLoggedIn = (req, res, next) => { if (req.isAuthenticated()) { next(); } else { res.status(403).send("로그인 필요"); } }; exports.isNotLoggedIn = (req, res, next) => { if (!req.isAuthenticated()) { next(); } else { const message = encodeURIComponent("로그인한 상태입니다."); res.redirect(`/?error=${message}`); } }; exports.verifyToken = (req, res, next) => { try { res.locals.decoded = jwt.verify( req.headers.authorization, process.env.JWT_SECRET ); return next(); } catch (error) { if (error.name === "TokenExpiredError") { return res.status(419).json({ code: 419, message: "토큰이 만료되었습니다.", }); } return res.status(401).json({ code: 401, message: "유효하지 않은 토큰입니다.", }); } }; exports.apiLimiter = async (req, res, next) => { let user; if (res.locals.decoded) { user = await User.findOne({ where: { id: res.locals.decoded.id } }); } rateLimit({ windowMs: 60 * 1000, max: user?.type === "premium" ? 1000 : 10, handler(req, res) { res.status(this.statusCode).json({ code: this.statusCode, message: "1분에 열 번만 요청할 수 있습니다.", }); }, }); }; exports.deprecated = (req, res) => { res.status(410).json({ code: 410, message: "새로운 버전이 나왔습니다. 새로운 버전을 사용하세요", }); }; nodebird-api routes v2.js 코드 const express = require("express"); const { verifyToken, apiLimiter } = require("../middlewares"); const { createToken, tokenTest, getMyPosts, getPostsByHashtag, } = require("../controllers/v2"); const router = express.Router(); router.post("/token", apiLimiter, createToken); router.get("/test", verifyToken, apiLimiter, tokenTest); router.get("/posts/my", verifyToken, apiLimiter, getMyPosts); router.get("/posts/hashtag/:title", verifyToken, apiLimiter, getPostsByHashtag); module.exports = router; 프리미엄으로 클라이언트 비밀키 발급하고 프리미엄만 사용량제한 구현했는데 터미널에 GET/search/%EA%B3%A0%EC%96%91%EC%9D%B4 - - ms - - 이렇게 나오고 사이트로딩만 뜹니다 ㅜㅜ

JWT 로그인 부분에서username만 검증하고password는 검증하는 부분이 안보이는거 같은데 맞나요? @Override public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException { System.out.println("UsernamePasswordAuthenticationFilter :: JwtAuthenticationFilter()"); // 1. id, pw 받아서 try { // x-www-form-urlencoded 로 요청시 // BufferedReader br = request.getReader(); // String input = null; // while((input = br.readLine()) != null){ // System.out.println(input); // } // System.out.println(request.getInputStream().toString()); // json 으로 요청시 ObjectMapper om = new ObjectMapper(); User user = om.readValue(request.getInputStream(), User.class); // 토큰 만들기 UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(user.getUsername(), user.getPassword()); // PrincipalDetailsService의 loadUserByUsername() 이 실행된 후 정상이면 Authentication이 리턴됨 // DB에 있는 username과 password가 일치한다. Authentication authentication = authenticationManager.authenticate(authenticationToken); // 매니져가 인증을해서 Authentication 객체를 만들어줌 PrincipalDetails principalDetails = (PrincipalDetails) authentication.getPrincipal(); // System.out.println("ㅍㅍㅍ " + principalDetails.getUser().getUsername()); // 이게 조회가 된다는건 로그인 됫다는뜻 // System.out.println("---------------------------------"); // authentication 객체가 Security session 영역에 저장을 해야하고 그방법이 return return authentication; } catch (IOException e) { e.printStackTrace(); // 에러낫을때 떠넘겨 버리면 밑에 코드가 unreacheable 되서 컴파일 에러 } // 2. 정상인지 로그인 시도를 authenticationManager로 하면 PrincipalDetailsService loadUserByUsername() 가 실행됨 // 3. PrincipalDetails 를 세션에 담고 => 세션에 값이 있어야 권한 관리가 된다. (권한관리 안할거면 세션에 안담아도 됨) // 4. JWT 토큰을 만들어서 응답해주면 // System.out.println("================================"); return null; }사용자 입력(username, password)만 받아서 검증없이 Authentication 객체 만들고 있고@Service @RequiredArgsConstructor public class PrincipalDetailsService implements UserDetailsService { private final UserRepository userRepository; @Override public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException { System.out.println("PrincipalDetaiilsService :: loadUserByUsername()"); User userEntity = userRepository.findByUsername(username); System.out.println("DB Connection :: UserRepository"); return new PrincipalDetails(userEntity); } }loadUserByUsername 에서도 username 만 받아서 엔티티 생성하는데 어디서 password 검증도 하는건지 궁금합니다.

안녕하세요.섹션1 유니티 기초 강의 그대로 프로젝트를 생성하면Test파일을 만들었을 때 솔루션 탐색기에 프로젝트가 80개가 넘게 나옵니다. 강의 화면에서는 솔루션에 프로젝트가 1개만 포함되어있는데, 어떻게 설정하는지 알고 싶습니다. 포함되어있는 프로젝트들은 아래와 같습니다. 없어서는 안될 구성요소들인 것 같은데 강사님의 솔루션은 어떻게 저렇게 깔끔하게 세팅할 수 있는지 궁금합니다.감사합니다. 

강의 잘 따라오다 특정 지점부터 갑자기 이렇게 지속적으로 뜹니다.  Execution failed for task ':app:kaptGenerateStubsDebugKotlin'.> 'compileDebugJavaWithJavac' task (current target is 9) and 'kaptGenerateStubsDebugKotlin' task (current target is 17) jvm target compatibility should be set to the same Java version. Consider using JVM toolchain: https://kotl.in/gradle/jvm/toolchain* Try:> Run with --info or --debug option to get more log output.> Run with --scan to get full insights.* Exception is:org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:kaptGenerateStubsDebugKotlin'. at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:149) at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:282) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:147) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:135) at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:74) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52) at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:42) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:338) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:325) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:318) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:304) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:463) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:380) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:49)Caused by: org.gradle.api.GradleException: 'compileDebugJavaWithJavac' task (current target is 9) and 'kaptGenerateStubsDebugKotlin' task (current target is 17) jvm target compatibility should be set to the same Java version.Consider using JVM toolchain: https://kotl.in/gradle/jvm/toolchain at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.validateKotlinAndJavaHasSameTargetCompatibility(Tasks.kt:797) at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompilerAsync$kotlin_gradle_plugin_common(Tasks.kt:722) at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompilerAsync$kotlin_gradle_plugin_common(Tasks.kt:530) at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile.executeImpl(Tasks.kt:450) at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile.execute(Tasks.kt:417) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:125) at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:45) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:51) at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.execute(IncrementalTaskAction.java:26) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:29) at org.gradle.api.internal.tasks.execution.TaskExecution$3.run(TaskExecution.java:242) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47) at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68) at org.gradle.api.internal.tasks.execution.TaskExecution.executeAction(TaskExecution.java:227) at org.gradle.api.internal.tasks.execution.TaskExecution.executeActions(TaskExecution.java:210) at org.gradle.api.internal.tasks.execution.TaskExecution.executeWithPreviousOutputFiles(TaskExecution.java:193) at org.gradle.api.internal.tasks.execution.TaskExecution.execute(TaskExecution.java:166) at org.gradle.internal.execution.steps.ExecuteStep.executeInternal(ExecuteStep.java:93) at org.gradle.internal.execution.steps.ExecuteStep.access$000(ExecuteStep.java:44) at org.gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:57) at org.gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:54) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:54) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:44) at org.gradle.internal.execution.steps.RemovePreviousOutputsStep.execute(RemovePreviousOutputsStep.java:67) at org.gradle.internal.execution.steps.RemovePreviousOutputsStep.execute(RemovePreviousOutputsStep.java:37) at org.gradle.internal.execution.steps.CancelExecutionStep.execute(CancelExecutionStep.java:41) at org.gradle.internal.execution.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:74) at org.gradle.internal.execution.steps.TimeoutStep.execute(TimeoutStep.java:55) at org.gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:50) at org.gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:28) at org.gradle.internal.execution.steps.CaptureStateAfterExecutionStep.executeDelegateBroadcastingChanges(CaptureStateAfterExecutionStep.java:100) at org.gradle.internal.execution.steps.CaptureStateAfterExecutionStep.execute(CaptureStateAfterExecutionStep.java:72) at org.gradle.internal.execution.steps.CaptureStateAfterExecutionStep.execute(CaptureStateAfterExecutionStep.java:50) at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:40) at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:29) at org.gradle.internal.execution.steps.BuildCacheStep.executeWithoutCache(BuildCacheStep.java:166) at org.gradle.internal.execution.steps.BuildCacheStep.lambda$execute$1(BuildCacheStep.java:70) at org.gradle.internal.Either$Right.fold(Either.java:175) at org.gradle.internal.execution.caching.CachingState.fold(CachingState.java:59) at org.gradle.internal.execution.steps.BuildCacheStep.execute(BuildCacheStep.java:68) at org.gradle.internal.execution.steps.BuildCacheStep.execute(BuildCacheStep.java:46) at org.gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:36) at org.gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:25) at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:36) at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:22) at org.gradle.internal.execution.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:91) at org.gradle.internal.execution.steps.SkipUpToDateStep.lambda$execute$2(SkipUpToDateStep.java:55) at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:55) at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:37) at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:65) at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:36) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:37) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:27) at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:76) at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:37) at org.gradle.internal.execution.steps.ValidateStep.execute(ValidateStep.java:94) at org.gradle.internal.execution.steps.ValidateStep.execute(ValidateStep.java:49) at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:71) at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:45) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.executeWithNonEmptySources(SkipEmptyWorkStep.java:177) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:81) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:53) at org.gradle.internal.execution.steps.RemoveUntrackedExecutionStateStep.execute(RemoveUntrackedExecutionStateStep.java:32) at org.gradle.internal.execution.steps.RemoveUntrackedExecutionStateStep.execute(RemoveUntrackedExecutionStateStep.java:21) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsStartedStep.execute(MarkSnapshottingInputsStartedStep.java:38) at org.gradle.internal.execution.steps.LoadPreviousExecutionStateStep.execute(LoadPreviousExecutionStateStep.java:36) at org.gradle.internal.execution.steps.LoadPreviousExecutionStateStep.execute(LoadPreviousExecutionStateStep.java:23) at org.gradle.internal.execution.steps.CleanupStaleOutputsStep.execute(CleanupStaleOutputsStep.java:75) at org.gradle.internal.execution.steps.CleanupStaleOutputsStep.execute(CleanupStaleOutputsStep.java:41) at org.gradle.internal.execution.steps.AssignWorkspaceStep.lambda$execute$0(AssignWorkspaceStep.java:32) at org.gradle.api.internal.tasks.execution.TaskExecution$4.withWorkspace(TaskExecution.java:287) at org.gradle.internal.execution.steps.AssignWorkspaceStep.execute(AssignWorkspaceStep.java:30) at org.gradle.internal.execution.steps.AssignWorkspaceStep.execute(AssignWorkspaceStep.java:21) at org.gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:37) at org.gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:27) at org.gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:42) at org.gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:31) at org.gradle.internal.execution.impl.DefaultExecutionEngine$1.execute(DefaultExecutionEngine.java:64) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:146) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:135) at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:74) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52) at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:42) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:338) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:325) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:318) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:304) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:463) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:380) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:49) 

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예)[질문 내용]이해한 내용HTML 엔티티에 해당하는 html entity(<, >) 문자열을 입력했을때, escape(&lt, &rt) 문자로 변환된다.Thymeleaf 라이브러리에서 th:text, [[...]] 를 파싱할때는 escape 문자로 변환, th:utext, [(...)] 를 파싱할때는 < 를 문자열 그대로 입력 .위의 내용대로 이해하였습니다!제대로 이해한게 맞다면 어떤 시점에서 이뤄지는것인지 궁금합니다.궁금한 점어떤 시점에서 escape 문자로 변환 혹은 문자열 입력이 되는것인지 궁금합니다.escape 문자로 변환 혹은 문자열 그대로 입력이 되는 시점이 SSR(서버사이드 렌더링)과정에서 이뤄지는것이 맞는지 궁금합니다!

선생님 안녕하세요 질문을 드리기 전에 스프링과 POJO에 대해 많이 찾아보고 고민했는데, 제가 제대로 이해한 게 맞는지 질문드리고 싶습니다.저는 스프링이 POJO를 지향하는 프레임워크인 이유를 이렇게 이해했습니다.엄밀히 말하면 DTO, VO처럼 인터페이스를 구현하지 않고 상위 클래스를 상속받지 않는 클래스들이 POJO라고 할 수 있습니다.그러나 컨트롤러 클래스는 @Controller라는 어노테이션이 필요하기에, 스프링이라는 프레임워크에 종속된 기술이며, 서비스 클래스도 인터페이스(PSA)를 구현하기에 엄밀히는 POJO가 아닙니다.그렇지만 POJO를 지향하는 이유가 결합도를 낮추고, 응집도를 높여 환경변화를 적게 받고 특정 기술에 종속되지 않기 위한 목적이 있습니다.비록 컨트롤러 클래스와 서비스 클래스는 POJO라고 할 수는 없지만, 최대한 POJO에 가깝게 결합도를 낮추고 응집도를 높여서 재사용성을 높이기 위해 DI, AOP, PSA 를 사용했습니다.즉, 완전한 POJO를 구현한 프레임워크는 아니지만, POJO를 지향하여 최대한 모듈 간 결합도를 낮추고 응집도를 높이고 재사용성을 높인 프레임워크라고 이해했습니다.혹시 제가 제대로 이해했는지 봐주시면 감사하겠습니다.

const getStringDate = (date) => { return date.toISOString().slice(0, 10); } const New = () => { const [date, steDate] = useState(getStringDate(new Date())); const navigate = useNavigate(); return ( <div> <MyHeader headText={"새 일기쓰기"} leftChild={<MyButton text={'< 뒤로 가기'} onClick={()=> navigate(-1)}/>} /> <div> <section> <h4>오늘은 언제인가요?</h4> <div className="input-box"> <input value={date} type="date" onChange={(e) => steDate(e.target.value)} /> </div> </section> </div> </div> ) }왜 저는 yyyy-mm-dd 형식이 아니라 yyyy.mm.dd로 나올까요? ㅠㅠ

예제는 정답이 맞는데, 제출하면 틀렸다고 나옵니다. 어디가 틀렸는지 모르겠습니다. http://boj.kr/b61061763b9a4449ab7c47ebf5a2d130감사합니다.

동일하게 코드를 작성해보았는데 fetchPosts 함수가 2번 실행되어 포스트 리스트에 데이터가 2번 중복으로 들어갑니다.강의에서도 19분 12초를 보니 2번 호출이 되는 것으로 보입니다. useEffect(() => { dispatch(fetchPosts()); }, [dispatch]);이 부분이 2번 실행되는 문제 같아서 버튼 클릭할 때 fetchPosts 함수를 dispatch하는 방식으로 바꾸었더니 데이터가 1번만 요청됩니다. const handleClick = () => { dispatch(fetchPosts()); };useEffect를 사용해서 페이지 접속 시 자동으로 데이터가 1번만 호출되게 하고 싶은데 어떻게 수정해야 할까요? useEffect(() => { dispatch(fetchPosts()); }, []);이렇게 수정해도 2번 실행됩니다..ㅠㅠ 

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)질문은 아니지만 해결방법이 안 올라온 것 같아 올립니다.2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)예[질문 내용]강의 초반에 Member 클래스를 만들고 DB연결, 테이블 생성까지 했는데 메인메서드를 실행하면 NoSuchMethodError 오류가 나는 경우가 있습니다.커뮤니티 게시판을 찾아봤는데 질문은 있고 답변은 없는 것 같아 해결방법 공유합니다.저같은 경우는 h2버전과 스프링 부트 버전이 맞지 않아 그런 줄 알고 h2와 스프링 부트 버전을 달리해가며 설정해봤는데 알고보니 hibernate 버전 충돌 문제인 것 같습니다.pom.xml파일에서<!-- JPA 하이버네이트 --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>5.6.15.Final</version> </dependency>로 하이버네이트 의존성 설정을 해주면 인텔리제이가 자동으로 하이버네이트 라이브러리를 다운받는데 이때 hibernate-commons-annotations의 버전과 hibernate-core의 버전이 호환되지 않는 경우가 있는 것 같습니다. 저는 처음에 hibernate-commons-annotations 버전이 5.0.4, hibernate-core가 5.6.15 final로 되어있었는데 의존성 설정 갱신 이후 hibernate-commons-annotations 버전이 5.1.2 final로 바뀌며 정상 실행 됐습니다.인텔리제이가 충돌하는 라이브러리를 다운받기도 하는 것 같습니다.

바둑대회answer=10000000; 의 위치가PDF 와 정답코드가 서로 다릅니다.위치가 서로 달라도 정답은 일치할 줄 알았는데정답이 다르게 나옵니다.왜 그럴까요 ㅠ  

<code>17:02:50.381 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]17:02:50.391 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)]17:02:50.427 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [study.querydsl.QuerydslBasicTest] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper]17:02:50.439 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [study.querydsl.QuerydslBasicTest], using SpringBootContextLoader17:02:50.443 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [study.querydsl.QuerydslBasicTest]: class path resource [study/querydsl/QuerydslBasicTest-context.xml] does not exist17:02:50.444 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [study.querydsl.QuerydslBasicTest]: class path resource [study/querydsl/QuerydslBasicTestContext.groovy] does not exist17:02:50.444 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [study.querydsl.QuerydslBasicTest]: no resource found for suffixes {-context.xml, Context.groovy}.17:02:50.445 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [study.querydsl.QuerydslBasicTest]: QuerydslBasicTest does not declare any static, non-private, non-final, nested classes annotated with @Configuration.17:02:50.482 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [study.querydsl.QuerydslBasicTest]17:02:50.541 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [C:\Users\alita\Desktop\querydsl\querydsl\out\production\classes\study\querydsl\QuerydslApplication.class]17:02:50.542 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration study.querydsl.QuerydslApplication for test class study.querydsl.QuerydslBasicTest17:02:50.646 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [study.querydsl.QuerydslBasicTest]: using defaults.17:02:50.646 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.boot.test.autoconfigure.webservices.client.MockWebServiceServerTestExecutionListener, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.event.ApplicationEventsTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener, org.springframework.test.context.event.EventPublishingTestExecutionListener]17:02:50.664 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@3a1dd365, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@395b56bb, org.springframework.test.context.event.ApplicationEventsTestExecutionListener@256f8274, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@68044f4, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@52d239ba, org.springframework.test.context.support.DirtiesContextTestExecutionListener@315f43d5, org.springframework.test.context.transaction.TransactionalTestExecutionListener@68fa0ba8, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@6c5945a7, org.springframework.test.context.event.EventPublishingTestExecutionListener@2f05be7f, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@640f11a1, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@5c10f1c3, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@7ac2e39b, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@78365cfa, org.springframework.boot.test.autoconfigure.webservices.client.MockWebServiceServerTestExecutionListener@64a8c844, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@3f6db3fb]17:02:50.668 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null]. . ____ _ /\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.7.12)2023-06-26 17:02:51.012 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : Starting QuerydslBasicTest using Java 11.0.15 on DESKTOP-UKCCBE9 with PID 16528 (started by alita in C:\Users\alita\Desktop\querydsl\querydsl)2023-06-26 17:02:51.013 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : No active profile set, falling back to 1 default profile: "default"2023-06-26 17:02:51.530 INFO 16528 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2023-06-26 17:02:51.544 INFO 16528 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 7 ms. Found 0 JPA repository interfaces.2023-06-26 17:02:52.025 INFO 16528 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2023-06-26 17:02:52.079 INFO 16528 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.6.15.Final2023-06-26 17:02:52.234 INFO 16528 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}2023-06-26 17:02:52.480 INFO 16528 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2023-06-26 17:02:52.647 INFO 16528 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2023-06-26 17:02:52.678 INFO 16528 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect2023-06-26 17:02:53.242 DEBUG 16528 --- [ main] org.hibernate.SQL : alter table member drop foreign key FKcjte2jn9pvo9ud2hyfgwcja0kHibernate: alter table member drop foreign key FKcjte2jn9pvo9ud2hyfgwcja0k2023-06-26 17:02:53.256 DEBUG 16528 --- [ main] org.hibernate.SQL : drop table if exists helloHibernate: drop table if exists hello2023-06-26 17:02:53.260 DEBUG 16528 --- [ main] org.hibernate.SQL : drop table if exists hibernate_sequenceHibernate: drop table if exists hibernate_sequence2023-06-26 17:02:53.266 DEBUG 16528 --- [ main] org.hibernate.SQL : drop table if exists memberHibernate: drop table if exists member2023-06-26 17:02:53.270 DEBUG 16528 --- [ main] org.hibernate.SQL : drop table if exists teamHibernate: drop table if exists team2023-06-26 17:02:53.275 DEBUG 16528 --- [ main] org.hibernate.SQL : create table hello ( id bigint not null, primary key (id) ) engine=InnoDBHibernate: create table hello ( id bigint not null, primary key (id) ) engine=InnoDB2023-06-26 17:02:53.286 DEBUG 16528 --- [ main] org.hibernate.SQL : create table hibernate_sequence ( next_val bigint ) engine=InnoDBHibernate: create table hibernate_sequence ( next_val bigint ) engine=InnoDB2023-06-26 17:02:53.296 DEBUG 16528 --- [ main] org.hibernate.SQL : insert into hibernate_sequence values ( 1 )Hibernate: insert into hibernate_sequence values ( 1 )2023-06-26 17:02:53.297 DEBUG 16528 --- [ main] org.hibernate.SQL : create table member ( member_id bigint not null, age integer not null, username varchar(255), team_id bigint, primary key (member_id) ) engine=InnoDBHibernate: create table member ( member_id bigint not null, age integer not null, username varchar(255), team_id bigint, primary key (member_id) ) engine=InnoDB2023-06-26 17:02:53.309 DEBUG 16528 --- [ main] org.hibernate.SQL : create table team ( id bigint not null, name varchar(255), primary key (id) ) engine=InnoDBHibernate: create table team ( id bigint not null, name varchar(255), primary key (id) ) engine=InnoDB2023-06-26 17:02:53.317 DEBUG 16528 --- [ main] org.hibernate.SQL : alter table member add constraint FKcjte2jn9pvo9ud2hyfgwcja0k foreign key (team_id) references team (id)Hibernate: alter table member add constraint FKcjte2jn9pvo9ud2hyfgwcja0k foreign key (team_id) references team (id)2023-06-26 17:02:53.342 INFO 16528 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]2023-06-26 17:02:53.351 INFO 16528 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'2023-06-26 17:02:53.538 WARN 16528 --- [ main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning2023-06-26 17:02:54.098 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : Started QuerydslBasicTest in 3.391 seconds (JVM running for 4.357)2023-06-26 17:02:54.207 INFO 16528 --- [ main] o.s.t.c.transaction.TransactionContext : Began transaction (1) for test context [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = study.querydsl.QuerydslBasicTest@4504a4ed, testMethod = startQuerydsl@QuerydslBasicTest, testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true, 'org.springframework.test.context.event.ApplicationEventsTestExecutionListener.recordApplicationEvents' -> false]]; transaction manager [org.springframework.orm.jpa.JpaTransactionManager@250e8712]; rollback [true]2023-06-26 17:02:54.308 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.328 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.355 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.356 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.359 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.359 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.362 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.363 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.365 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.365 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.367 DEBUG 16528 --- [ main] org.hibernate.SQL : select next_val as id_val from hibernate_sequence for update Hibernate: select next_val as id_val from hibernate_sequence for update 2023-06-26 17:02:54.368 DEBUG 16528 --- [ main] org.hibernate.SQL : update hibernate_sequence set next_val= ? where next_val=?Hibernate: update hibernate_sequence set next_val= ? where next_val=?2023-06-26 17:02:54.409 INFO 16528 --- [ main] o.s.t.c.transaction.TransactionContext : Rolled back transaction for test: [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = study.querydsl.QuerydslBasicTest@4504a4ed, testMethod = startQuerydsl@QuerydslBasicTest, testException = java.lang.NullPointerException, mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true, 'org.springframework.test.context.event.ApplicationEventsTestExecutionListener.recordApplicationEvents' -> false]]java.lang.NullPointerException at study.querydsl.QuerydslBasicTest.startQuerydsl(QuerydslBasicTest.java:57) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base/java.util.ArrayList.forEach(ArrayList.java:1541) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base/java.util.ArrayList.forEach(ArrayList.java:1541) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)2023-06-26 17:02:54.428 INFO 16528 --- [ionShutdownHook] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'2023-06-26 17:02:54.430 INFO 16528 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...2023-06-26 17:02:54.443 INFO 16528 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.Process finished with exit code -1 </code>[질문 내용]QType 활용 2:22초에서 강사님처럼 리팩토링 후 코드 실행시 NullPointer Exception이 발생합니다.  구글 파일 링크입니다.https://drive.google.com/drive/folders/1FxQskkAngeLJcGPtmKUoj-XCmnxm0MVa?usp=sharing

- 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.안녕하세용 현재 23.6월 기준 플러터 다운받으려고 하는데 강의 영상과 플러터 홈페이지가 좀 달라서 질문드립니다.강의영상 녹화 당시에는 깃으로 플러터 SDK 다운받는 코드(커맨드)가 있었는데 현재기준은 없네요ㅠㅠ현재 깃까지 다운받은 상태입니다..!코드팩토리 디스코드https://bit.ly/3HzRzUMFlutter 강의를 구매하시면 코드팩토리 디스코드 서버 플러터 프리미엄 채널에 들어오실 수 있습니다! 디스코드 서버에 들어오시고 저에게 메세지로 강의를 구매하신 이메일을 보내주시면 프리미엄 채널에 등록해드려요! 프리미엄 채널에 들어오시면 모든 질의응답 최우선으로 답변해드립니다!

 강사님 안녕하세요. 비전공자로 Tensorflow 강의를 수강하고 있습니다. 수업 너무 재미있습니다 감사합니다. Category1.기본 모델 만들기에서 본래 모델링model = Sequential([ Dense(3, input_shape[1]), Dense(4), Dense(4), Dense(1),])은 이해가 되는데 이걸 간단하게 model = Sequential([ Dense(1, input_shape=[1]),]) 로 알려주신 것은 이해가 되지 않습니다. 본래 모델링에서 어떤 과정의 요약이 있었는지 설명 부탁드리겠습니다. 아니면 1번 문제는 그냥 간단한 모델링 방법을 외우면 되는 건지 알고 싶습니다.

재귀함수를 사용하면 마치 DFS처럼 사용이되는데,f(4)에서 f(3)과 f(2)중 둘중 아무거나 먼저 호출되어도 상관이없는거 아닌가요? 어떠한 기준으로 f(3)이 먼저 호출되는지 궁금합니다..!