홈페이지가 개편되었는지 우주선이 보이지 않습니다. (studiomeal.com 드어가면 섬같은게 보여요)   구글에서다른 이미지 구해서 하려는데 쉽지 않네요.   도움 부탁드립니다.

안녕하세요 10분경~12분 이후 강의를 듣다가 제 환경에서는 실행이 되는 것 같지 않아 질문드립니다. #include <stdlib.h> #include <stdio.h> int main(int argc, char * argv[]) { char temp[100] ; puts(_itoa(10, temp, 16));   sprintf(temp, "%x", 10); puts(temp); return 0;   }   안녕하세요 11분경 이후 강의를 듣다가 제 환경에서는 실행이 되는 것 같지 않아 질문드립니다. 다음과 같이 코드를 짰고, 이를 돌려보려 하였으나 오류가 아래와 같이 났습니다.     '_itoa()가 C99에서는 작동하지 않는다'라고 이해했고, 혹시나 표준으로 이름이 바뀌기 전인 itoa()를 사용하나 싶어서 itoa()로 코드를 바꾸고 돌려보았지만,   동일하게 에러가 발생하였습니다.   구글을 둘러보니 코딩을 할 때마다 _itoa()를 정의하라고 하는데, 더 좋은 방안이 있을 것 같아 질문을 드립니다. 문제가 무엇이고, 앞으로 _itoa()를 문제없이 사용하려면 어떻게 해야하는지 여쭤보고 싶습니다. 감사합니다!      

몽구스 모델 강의에 있는 post에서 코드500 에러가 발생합니다. 검색을 해봐도 어떻게 해결해야되는지 모르겠어서 질문 남깁니다

안녕하세요. 매일 노고많으십니다.   const uploadNone = multer(); router.post("/write", uploadNone.none(), (req, res, next) => {   console.log(req.body); }) multer는 (req, res) 전에 클라이언트 요청을 해석하여 req로 넣어주는 걸로 알고 있습니다.   // 컨트롤러 const uploadNone = multer(); exports.noticeWrite = uploadNone.none(), async (req, res, next) => {   console.log(req.body);   res.end(); }; // 라우터 const { noticeWrite } = require("../controllers/notice"); router.post("/write", isLoggedIn, noticeWrite); 컨트롤러에서 처리하려고 (req, res) 요청 전에 넣어주니 라우터 응답이 안돼서요. 어쩔 수 없이 라우터에서 적어줘야 하는 건지 모르겠습니다.   질문. 컨트롤러에서 multer 사용하는 방법이 궁금합니다!  

  It is seen that several individuals encounter complication whenever they look for any kind of subject pertaining to 'howto-cancel.com/'.   Considering these we have actually reviewed right here assistance as well as a system i.e. http://howto-cancel.com/ that will definitely assist you to decrease every one of the questions when it pertains to Howto-cancel.   A short on HowTo-Cancel.com:   ·        The howto-cancel.com web page is the internet site on 'how to' which is especially made to reveal the individuals on how to cancel practically virtually every product and services imaginable.   ·        It intends to supply its individuals to urge the termination procedure, reimbursement and also return treatment less complex than ever before.   ·        This is done by establishing a complimentary treatment that consists of detailed directions on how to- cancel along with 600 exceptional solution systems and also even more checking.   ·        The overviews that are furnished are etched in a basic as well as simple layout in a way where anybody can recognize as well as discover them.   Obtain the critical Assistance:   It occurs with a number of the individuals that acquire the paid subscription or membership however have actually possessed it simply a couple of times. At the same time, the business charges with the subscription or service charge from the bank card frequently, even if it is no more utilized by you as well as hence trigger irritability.   The primary inflammation shows up when a lot of the moment obtains squandered looking for howto-cancel the subscription or registrations.   Most of the participants obtain irritated to find out the real treatment on howto-cancel as well as therefore pay the month-to-month registration cost in order to stop the irritability.   Summarizing:   Hence, the http://howto-cancel.com/ web site is developed to scroll with the procedure of termination detailed. Whichever solution or membership develops it is; it will not matter, one can conveniently discover the overview that is trying on how to cancel.   The primary objective or purpose is to lower the difficulties, questions and also stress that emerge while the participant aims to cancel the membership account.   Helpful Blog: https://www.houzz.co.uk/ideabooks/159357569/list/howto-cancel-com

안녕하세요. 강사님 옵티마이저의 이해 - Momentum, AdaGrad 챕터 중 Momentum의 효과에서 local minima가 loss 값이 작은 목표 지점인 것은 알겠는데 그쪽으로 갈때 SGD가 왜 지그재그로 움직이는지 직관적으로 잘 이해가 안됩니다. 교재의 그림에서 X Y 좌표와 등고선이 뜻하는 건 무엇인가요. 그리고 강의 11:43 쯤에 말씀하신 y축으로 갈때 Loss가 크게 감소한다고 말씀하셨는데 왜 그런지 그 이유도 궁금합니다.  

AudioClip Missing ! SoundsUnityChan/univ0001 UnityEngine.Debug:Log (object) SoundManager:Play (Define/Sound,string,single)  매니저로 만든 게임오브젝트를 확인하니깐 오디오 클립이 논 이더라고요 플레이 부분에도 코드 잘넣어줫는데 어디서 문제가 난걸까요??  

안녕하세요 선생님 포토 앨범 만들기에 실습 파트에서  이미지 api https://api.beansdrawer.com/ 해당 사이트가 접속이 안되는데 혹시 다른 문제가 있는걸까요? 감사합니다!

저 같은 경우 개발자도구 콘솔창에 transition-group children must be keyed. warning이 뜨고 enter 트랜지션이 적용이 안되길래 이것저것 해보다가 <li> key 에 todoitem.item 이 아닌 index 로 넣으니까 해결이 됐어용   근데 이게 맞는 방법인진 모르겠네요.. <li v-for="(todoItem, index) in propsdata" :key="index" class="shadow">

welcome.html 실행하는데 이런 오류가 뜨더라고요.  확장자를 설치하라는 것 같은데 보통 이런 문구가 뜨나요?  제가 맥북으로 해서 방법이 다른 건지 아무리 찾아봐도 해결 방법을 잘 모르겠습니다. 

안녕하세요 강사님. 알고리즘 교안 학습 중 struct 관련 질문드릴 부분이 있어서요.   활용 예시로 y를 1순위 오름차순, x를 2순위 내림차순, z를 3순위 오름차순이라고 되어 있는데, 해당 코드를 보면 x가 1순위 오름차순, y가 2순위 내림차순으로 되어 있는 것 같아서요.   저는 y를 1순위 오름차순, x를 2순위 내림차순, z를 3순위 오름차순을 아래와 같이 생각했는데, 알고리즘 교안의 내용이 맞는건지 궁금합니다.        

인프런 아이디 : hoyuen.kim@hanmail.net 인프런 이메일 : hoyuen.kim@hanmail.net 깃헙 아이디 : hoyuen.kim@hanmail.net 깃헙 Username : hoyuenkim

강의 내용에는 나오지 않는 부분인 것 같아 먼저 죄송하단 말씀 드립니다! 마땅히 물어볼 곳이 없네요...   질문 드리고자 하는 것은 explicit 키워드와 관련된 것인데요. explicit 키워드를 사용하면 '생성자'의 매개변수 타입을 명시적으로 나타내야만 컴파일러가 통과시켜 준다는 것을 알게 되었는데요. 그렇다면 함수도 explicit 키워드를 사용하면 똑같은 일을 할 수 있지 않을까? 했는데 컴파일러가 안받아주더군여... 혹시 함수도 이런 명시적으로 선언하도록 강요할 수 있는 키워드나 어떤 방법이 있을까요?

ERROR: Column "INSERT_MEMBER" not found; SQL statement:라는 문구가 뜨는데 어떻게 설정을 다시 해줘야 할지 모르겠습니다.     아래는 JpaMain 입니다.   Member입니다.      

안녕하세요 강의 잘보고 있습니다!!  코드를 따라치다가 계속해서 setUrl의 값을 받지 못하고, null값만 뱉어 냅니다.. 아무리 찾아봐도 모르겠어서 질문 남깁니다.. 어는 부분에서 문제가 생긴건가요...? 감사합니다!   package hello.core.lifecycle; import org.springframework.beans.factory.DisposableBean; import org.springframework.beans.factory.InitializingBean; public class NetworkClient implements InitializingBean, DisposableBean { private String url; public NetworkClient() { System.out.println("생성자호출, url = " + url); } public void setUrl(String Url) { this.url = url; } //서비스 시작시 호출 public void connect() { System.out.println("connect: " + url); } public void call(String message){ System.out.println("call: " + url + " message =" + message); } //서비스 종료시 호출 public void disConnect() { System.out.println("close " + url); } //의존관계 주입이 끝나면 호출 됨 @Override public void afterPropertiesSet() throws Exception { System.out.println("NetworkClient.afterPropertiesSet"); connect(); call("초기화 연결 메시지"); } @Override public void destroy() throws Exception { System.out.println("NetworkClient.destory"); disConnect(); } }   package hello.core.lifecycle; import org.junit.jupiter.api.Test; import org.springframework.context.ConfigurableApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; public class BeanLifeCycleTest { @Test public void lifeCycleTest() { ConfigurableApplicationContext ac = new AnnotationConfigApplicationContext(LifeCycleConfig.class); NetworkClient client = ac.getBean(NetworkClient.class); ac.close(); } @Configuration static class LifeCycleConfig { @Bean public NetworkClient networkClient() { NetworkClient networkClient = new NetworkClient(); networkClient.setUrl("http://hello-spring.dev"); return networkClient; } } } /Library/Java/JavaVirtualMachines/jdk-11.0.13.jdk/Contents/Home/bin/java -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar=58427:/Applications/IntelliJ IDEA CE.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Users/changhyeon/.m2/repository/org/junit/platform/junit-platform-launcher/1.8.2/junit-platform-launcher-1.8.2.jar:/Users/changhyeon/.m2/repository/org/junit/platform/junit-platform-engine/1.8.2/junit-platform-engine-1.8.2.jar:/Users/changhyeon/.m2/repository/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar:/Users/changhyeon/.m2/repository/org/junit/platform/junit-platform-commons/1.8.2/junit-platform-commons-1.8.2.jar:/Users/changhyeon/.m2/repository/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar:/Applications/IntelliJ IDEA CE.app/Contents/plugins/junit/lib/junit5-rt.jar:/Applications/IntelliJ IDEA CE.app/Contents/plugins/junit/lib/junit-rt.jar:/Users/changhyeon/Desktop/이창현/coding/study/infren/core/out/test/classes:/Users/changhyeon/Desktop/이창현/coding/study/infren/core/out/production/classes:/Users/changhyeon/Desktop/이창현/coding/study/infren/core/out/production/resources:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-test/2.6.4/4befb5f23c4bac74125d1c9e4f3721586b315d3a/spring-boot-starter-test-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter/2.6.4/31adf5f726b6a5703815b99056110b96db7eff58/spring-boot-starter-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.projectlombok/lombok/1.18.22/9c08ea24c6eb714e2d6170e8122c069a0ba9aacf/lombok-1.18.22.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-test-autoconfigure/2.6.4/fe1ab93aa3ca84e50d0f470a17468a8e7e2770e3/spring-boot-test-autoconfigure-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-test/2.6.4/f7669dafbe66e2805349049c090d9cbca974fbd5/spring-boot-test-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-test/5.3.16/eba2a6612c3bb86cc71b31c731cb46164309f796/spring-test-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-core/5.3.16/db1b277cd548c725144580dda8703ce179fb3769/spring-core-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/com.jayway.jsonpath/json-path/2.6.0/67f565b424f7903a12d4f5b9361b11462ecacdac/json-path-2.6.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/jakarta.xml.bind/jakarta.xml.bind-api/2.3.3/48e3b9cfc10752fba3521d6511f4165bea951801/jakarta.xml.bind-api-2.3.3.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.assertj/assertj-core/3.21.0/27a14d6d22c4e3d58f799fb2a5ca8eaf53e6942a/assertj-core-3.21.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest/2.2/1820c0968dba3a11a1b30669bb1f01978a91dedc/hamcrest-2.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter/5.8.2/5a817b1e63f1217e5c586090c45e681281f097ad/junit-jupiter-5.8.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-junit-jupiter/4.0.0/b76de25bd6e5d8f7924d0536729c0076e37e9396/mockito-junit-jupiter-4.0.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-core/4.0.0/f5195e0c4a45716bbd2d1d29173adbd148acce3a/mockito-core-4.0.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.skyscreamer/jsonassert/1.5.0/6c9d5fe2f59da598d9aefc1cfc6528ff3cf32df3/jsonassert-1.5.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.xmlunit/xmlunit-core/2.8.4/35be57989ca80eefa03161b211630e319a8f36c6/xmlunit-core-2.8.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-autoconfigure/2.6.4/36e75a2781fc604ac042945eed8be2fe049731df/spring-boot-autoconfigure-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot/2.6.4/356c0ee25794ca46d8344d13cffbc30bfae1dc0e/spring-boot-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-logging/2.6.4/e8bab752fd29797df304ef2ad8575e5392d96c4c/spring-boot-starter-logging-2.6.4.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/jakarta.annotation/jakarta.annotation-api/1.3.5/59eb84ee0d616332ff44aba065f3888cf002cd2d/jakarta.annotation-api-1.3.5.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.yaml/snakeyaml/1.29/6d0cdafb2010f1297e574656551d7145240f6e25/snakeyaml-1.29.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jcl/5.3.16/18d422952e0ce534c2b0ac8b47176c2432fb7e78/spring-jcl-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/net.minidev/json-smart/2.4.8/7c62f5f72ab05eb54d40e2abf0360a2fe9ea477f/json-smart-2.4.8.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.slf4j/slf4j-api/1.7.36/6c62681a2f655b49963a5983b8b0950a6120ae14/slf4j-api-1.7.36.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/jakarta.activation/jakarta.activation-api/1.2.2/99f53adba383cb1bf7c3862844488574b559621f/jakarta.activation-api-1.2.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-params/5.8.2/ddeafe92fc263f895bfb73ffeca7fd56e23c2cce/junit-jupiter-params-5.8.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-api/5.8.2/4c21029217adf07e4c0d0c5e192b6bf610c94bdc/junit-jupiter-api-5.8.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/net.bytebuddy/byte-buddy/1.11.22/8b4c7fa5562a09da1c2a9ab0873cb51f5034d83f/byte-buddy-1.11.22.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/net.bytebuddy/byte-buddy-agent/1.11.22/2fbcf3210dfc09b42242e3b66a5281cc5b9adb80/byte-buddy-agent-1.11.22.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/com.vaadin.external.google/android-json/0.0.20131108.vaadin1/fa26d351fe62a6a17f5cda1287c1c6110dec413f/android-json-0.0.20131108.vaadin1.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-context/5.3.16/efb9c749b335bf62dc07c1674e9d76d382a027e5/spring-context-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-classic/1.2.10/f69d97ef3335c6ab82fc21dfb77ac613f90c1221/logback-classic-1.2.10.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.apache.logging.log4j/log4j-to-slf4j/2.17.1/3619fd18278a1a895c1dca8c5be002768071a20e/log4j-to-slf4j-2.17.1.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.slf4j/jul-to-slf4j/1.7.36/ed46d81cef9c412a88caef405b58f93a678ff2ca/jul-to-slf4j-1.7.36.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/net.minidev/accessors-smart/2.4.8/6e1bee5a530caba91893604d6ab41d0edcecca9a/accessors-smart-2.4.8.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.apiguardian/apiguardian-api/1.1.2/a231e0d844d2721b0fa1b238006d15c6ded6842a/apiguardian-api-1.1.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-commons/1.8.2/32c8b8617c1342376fd5af2053da6410d8866861/junit-platform-commons-1.8.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.opentest4j/opentest4j/1.2.0/28c11eb91f9b6d8e200631d46e20a7f407f2a046/opentest4j-1.2.0.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-aop/5.3.16/d61c0545e0395de608be52db1cccb60ba841a26b/spring-aop-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-beans/5.3.16/15decec5cea7a91423272daaae6f5d050c23cf3b/spring-beans-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.springframework/spring-expression/5.3.16/831a17ce70686c571f3c05c4bcfb81012c5814df/spring-expression-5.3.16.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-core/1.2.10/5328406bfcae7bcdcc86810fcb2920d2c297170d/logback-core-1.2.10.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.apache.logging.log4j/log4j-api/2.17.1/d771af8e336e372fb5399c99edabe0919aeaf5b2/log4j-api-2.17.1.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.ow2.asm/asm/9.1/a99500cf6eea30535eeac6be73899d048f8d12a8/asm-9.1.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-engine/5.8.2/c598b4328d2f397194d11df3b1648d68d7d990e3/junit-jupiter-engine-5.8.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.objenesis/objenesis/3.2/7fadf57620c8b8abdf7519533e5527367cb51f09/objenesis-3.2.jar:/Users/changhyeon/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-engine/1.8.2/b737de09f19864bd136805c84df7999a142fec29/junit-platform-engine-1.8.2.jar com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit5 hello.core.lifecycle.BeanLifeCycleTest,lifeCycleTest 15:53:33.453 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@6253c26 15:53:33.472 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' 15:53:33.615 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor' 15:53:33.620 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' 15:53:33.624 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' 15:53:33.626 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' 15:53:33.634 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'beanLifeCycleTest.LifeCycleConfig' 15:53:33.641 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'networkClient' 생성자호출, url = null NetworkClient.afterPropertiesSet connect: null call: null message =초기화 연결 메시지 15:53:33.756 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@6253c26, started on Thu Apr 07 15:53:33 KST 2022 NetworkClient.destory close null Process finished with exit code 0

해당 강의에서 product 파일의 index.js에 useEffect를 쓰는데요  useEffect를 쓰지 않고 import { useParams } from "react-router-dom"; import axios from "axios"; import { useEffect } from "react"; function ProductPage() {   const { id } = useParams();     axios       .get(         `https://0433858f-3e14-4d79-b271-b955ae5e953a.mock.pstmn.io/products/${id}`       )       .then(function (result) {         console.log(result);       })       .catch(function (error) {         console.error(error);       });   console.log("id는", id);   return <h1>상품 상세 페이지 {id} 상품</h1>; } export default ProductPage;   이렇게 코딩을 하면 console에 result가 두 번 찍히는데 useEffect를 쓰지 않으면 왜 .then이 두 번 불리는지 잘 이해가 가지 않아서 질문 드립니다!

import 시 from 경로에 ./main 만 해줘도 index.js를  찾는다고 했는데 이게 어떻게 가능한건가요 ?? 다른 js 파일이 있더라도 자동으로 찾아주나요 ? 

인프런 아이디 : cheonshin99 인프런 이메일 : cheonshin99@naver.com 깃헙 아이디 : cheonshin99@naver.com 깃헙 Username : AssembleCat  

공식문서를 읽어보면서.. 자동으로 롤백처리되는 transaction을 쓰려고하는데  Cannot read property 'transaction' of undefined 자꾸 이 에러가 뜨는데 찾아봐도 해결이 안되서 질문드립니다.. 몇시간째 찾아봐도 보이지않아요..ㅜㅜ try { const tran = await sequelize.transaction(async (t) => { const {cate1_idx, cate2_idx, cate3_idx, gosu_name, my_place, distance, gender, hp} = req.body; const [results, created] = await Gosu.findOrCreate({ where: {mem_id: req.id}, defaults: {my_place, distance, gender, hp, gosu_name}, } ,{transaction: t}); const result = results && results[0] ? results[0] : created; res.status(200).json(result); }); }catch (err){ console.log(err); next(err); }});

- 본 강의 영상 학습 관련 문의에 대해 답변을 드립니다. (어떤 챕터 몇분 몇초를 꼭 기재부탁드립니다)- 이외의 문의등은 평생강의이므로 양해를 부탁드립니다- 현업과 병행하는 관계로 주말/휴가 제외 최대한 3일내로 답변을 드리려 노력하고 있습니다- 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요.   라이브러리 설치 중에 SSLCertVerificationError 메시지가 나오면서 설치가 되질 않습니다. SSL 인증 에러 같은 경우 어떻게 해결해야하나요??