174만명의 커뮤니티!! 함께 토론해봐요.
미해결
15일간의 빅데이터 파일럿 프로젝트
대용량 파일 적재 실습 후 실시간 데이터 적재는 실습하지 않고 바로 탐색 챕터로 넘어왔습니다, 다만 Hbase를 실시간 데이터 적재 챕터에서 설치하시기에 그것만 보고 따라했습니다.! 그런데 현재 우지 설치과정중에 사진과 같이 Hbase가 뜨지 않습니다. Hbase가 포함된 디펜던시를 선택하라고 강의중에 말씀하셔서 조금 걱정이 됩니다. 괜찮을까요?
미해결
Nuxt.js 시작하기
vue 파일을 생성하면 router.js 파일에 자동으로 라우트 정보가 설정되잖아요 이때 name 값은 파일명과 다르게 설정을 하고 싶습니다. 직접 router.js 파일을 변경하면 재기동 하면서 원복 돼버리네요
해결됨
앨런 iOS 앱 개발 (15개의 앱을 만들면서 근본원리부터 배우는 UIKit) - MVVM까지
기초앱12강, 10:23 입니다. 구글링을 해보고 다양하게 시도해보았는데요. 해결이 되지않았습니다
미해결
스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술
[질문 내용] java11 버전으로 실행하였고 강사님 코드 그대로 따라서 작성하였습니다. 하지만 계속 404에러가 뜹니다ㅜ springboot version: 2.7.4 hello.html <!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Hello</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> </head> <body> <p th:text="'안녕하세요. ' + ${data}" >안녕하세요. 손님</p> </body> </html>
미해결
자바(Java) 알고리즘 문제풀이 입문: 코딩테스트 대비
2.4.피보나치수열 아래 코드로 오류가 나오는데 왜인지 모르겠습니다... import java.util.*; public class Main { public int[] solution(int n){ int[] answer=new int[n]; answer[0]=1; answer[1]=1; for(int i=2; i<n; i++){ answer[i]=answer[i-2]+answer[i-1]; } return answer; } public static void main(String[] args){ Main T = new Main(); Scanner kb = new Scanner(System.in); int n = kb.nextInt(); for(int x : T.solution(n)) System.out.println(x+" "); } }
해결됨
자바 ORM 표준 JPA 프로그래밍 - 기본편
강의에서는 파라미터 바인딩을 이름 기반으로 해라 정도만 나와있습니다. 그런데 , 이 파라미터 바인딩이 무엇이고, 이걸 왜 쓰는지 이런 설명이 없다보니 이해가 되지 않습니다. 파라미터 조인으로 뭘 하는 건가요?ㅠㅠ List<Member> resultList = em.createQuery("select m from Member m inner join m.team t " + "where t.name = :teamname", Member.class) .getResultList();
해결됨
취미로 해킹#1(OverTheWire - Bandit)
bandit27@bandit:/tmp/myclone1$ git clone ssh:// bandit27-git@localhost /home/banidt27-git/repo Cloning into 'repo'... The authenticity of host ' localhost (127.0.0.1)' can't be established. ED25519 key fingerprint is SHA256:C2ihUBV7ihnV1wUXRb4RrEcLfXC5CXlhmAAM/urerLY. This key is not known by any other names Are you sure you want to continue connecting (yes/no/[fingerprint])? yes Could not create directory '/home/bandit27/.ssh' (Permission denied). Failed to add the host to the list of known hosts (/home/bandit27/.ssh/known_hosts). This is an OverTheWire game server. More information on http://www.overthewire.org/wargames !!! You are trying to log into this SSH server on port 22, which is not intended. bandit27-git@localhost : Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists. 동영상대로 해보면 위와 같이 나오고 password 치기도 전에 연결이 끊기는데 왜 그런지 알 수 있을까요???
미해결
(2025 최신 업데이트)리액트 : 프론트엔드 개발자로 가는 마지막 단계
CORS오류가 났는데 어떻게 해결하면 좋을까요 ㅠ??
미해결
[리뉴얼] Node.js 교과서 - 기본부터 프로젝트 실습까지
안녕하세요 9.5.1 스스로 해보기에 추가 학습으로 좋아요/좋아요 취소 버튼을 만들었습니다. 이제 각 게시물에 좋아요 누른 사람의 목록을 input 창에 나열시키고 싶습니다. 전제조건 : 로그인과 관계없이 누구나 그 목록을 볼 수 있습니다. models/post.js db.Post.belongsToMany(db.User, { as: "User2", through: "Like" }); models/user.js db.User.belongsToMany(db.Post, { as: "Post2", through: "Like" }); } routes/page.js router.get("/", async (req, res, next) => { try { const posts = await Post.findAll({ include: [ { model: User, attributes: ["id", "nick"], }, { model: User, attributes: ["nick"], as: "User2", }, ], order: [["createdAt", "DESC"]], }); res.render("main", { title: "NodeBird", twits: posts, }); } catch (err) { console.error(err); next(err); } }); 추가한 코드는 아래와 같습니다. { model: User, attributes: ["nick"], as: "User2", }, views/main.html {% for twit in twits %} <div class="twit"> <input type="hidden" value="{{twit.User.id}}" class="twit-user-id" /> <input type="hidden" value="{{twit.id}}" class="twit-id" /> <div class="twit-author">{{twit.User.nick}}</div> {% if not followingIdList.includes(twit.User.id) and twit.User.id !==user.id %} <button class="twit-follow">팔로우하기</button> {% endif %} <!-- '수정', '삭제' 버튼 --> {% if user.id === twit.User.id %} <button class="twit-delete">삭제</button> <button class="twit-update">수정</button> {% endif %} <!-- 게시글, 이미지 --> <br /> <br /> <div class="twit-content">{{twit.content}}</div> {% if twit.img %} <br /> <div class="twit-img"><img src="{{twit.img}}" alt="섬네일" /></div> {% endif %} <br /> {% if not likeIdList.includes(twit.id) %} <!-- 좋아요 안 누른 상태 --> <button class="twit-like" style="cursor: pointer"> <img src="../notlike.png" class="twit-notlike-icon" /> </button> {% else %} <!-- 좋아요 이미 누른 상태 (취소하고 싶다면) --> <button class="twit-notlike" style="cursor: pointer"> <img src="../like.png" class="twit-like-icon" /> </button> {% endif %} <!-- 좋아요를 누른 사람들 목록 --> <input type="text" value="{{twit.User2.nick}}" /> </div> {% endfor %} 추가한 코드는 아래와 같습니다 <input type="text" value="{{twit.User2.nick}}" /> [결과] 웹에서 input 상자가 빈 상자로 나옵니다. 개발자 도구 Elements에는 다음과 같이 나옵니다 어디부터 잘못된 걸까요..?
미해결
스프링 MVC 2편 - 백엔드 웹 개발 활용 기술
[질문 템플릿] 1. 강의 내용과 관련된 질문인가요? (예/아니오) 예 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 예 3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) 예 [질문 내용] 여기에 질문 내용을 남겨주세요. 안녕하세요. 강사님 수업 잘 듣고 있습니다. 다름이 아니라 addItemV3 로 변경하면서 errors.properties 파일을 만들어서 안에 있는 값을 new String[]에 담아서 사용하는 부분이 잘 이해가안되서 질문 남깁니다. 어떻게 @Value 같은 어노테이션도 없이 프로퍼티파일과 동일한 변수를 찍어서 중괄호에서 바로 사용이 가능한건지 잘 이해가 안갑니다.. 감사합니다..
미해결
스프링 시큐리티
안녕하세요 강사님. 저는 아래와 같이 하였는데 null 에러가 나서 질문드려요. 소스도 공유합니다. 깃헙 : https://github.com/DongWoonKim/core-spring-security-ajax @Bean AuthenticationManager authenticationManager1 (HttpSecurity http) throws Exception { return http.getSharedObject(AuthenticationManager.class); } http .addFilterBefore(new AjaxLoginProcessingFilter() , UsernamePasswordAuthenticationFilter.class ); error message { "timestamp": "2022-09-28T12:58:47.088+00:00", "status": 500, "error": "Internal Server Error", "trace": "java.lang.NullPointerException: Cannot invoke \" org.springframework.security .authentication.AuthenticationManager.authenticate( org.springframework.security .core.Authentication)\" because the return value of \" com.example.corespringsecurityajax.security .filter.AjaxLoginProcessingFilter.getAuthenticationManager()\" is null\n\tat com.example.corespringsecurityajax.security .filter.AjaxLoginProcessingFilter.attemptAuthentication( AjaxLoginProcessingFilter.java:39 )\n\tat org.springframework.security .web.authentication.AbstractAuthenticationProcessingFilter.doFilter( AbstractAuthenticationProcessingFilter.java:227 )\n\tat org.springframework.security .web.authentication.AbstractAuthenticationProcessingFilter.doFilter( AbstractAuthenticationProcessingFilter.java:217 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.authentication.logout.LogoutFilter.doFilter( LogoutFilter.java:103 )\n\tat org.springframework.security .web.authentication.logout.LogoutFilter.doFilter( LogoutFilter.java:89 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.header.HeaderWriterFilter.doHeadersAfter( HeaderWriterFilter.java:90 )\n\tat org.springframework.security .web.header.HeaderWriterFilter.doFilterInternal( HeaderWriterFilter.java:75 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.context.SecurityContextPersistenceFilter.doFilter( SecurityContextPersistenceFilter.java:112 )\n\tat org.springframework.security .web.context.SecurityContextPersistenceFilter.doFilter( SecurityContextPersistenceFilter.java:82 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal( WebAsyncManagerIntegrationFilter.java:55 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.session.DisableEncodeUrlFilter.doFilterInternal( DisableEncodeUrlFilter.java:42 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.springframework.security .web.FilterChainProxy$VirtualFilterChain.doFilter( FilterChainProxy.java:346 )\n\tat org.springframework.security .web.FilterChainProxy.doFilterInternal( FilterChainProxy.java:221 )\n\tat org.springframework.security .web.FilterChainProxy.doFilter( FilterChainProxy.java:186 )\n\tat org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate( DelegatingFilterProxy.java:354 )\n\tat org.springframework.web.filter.DelegatingFilterProxy.doFilter( DelegatingFilterProxy.java:267 )\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:189 )\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:162 )\n\tat org.springframework.web.filter.RequestContextFilter.doFilterInternal( RequestContextFilter.java:100 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:189 )\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:162 )\n\tat org.springframework.web.filter.FormContentFilter.doFilterInternal( FormContentFilter.java:93 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:189 )\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:162 )\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal( CharacterEncodingFilter.java:201 )\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:117 )\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:189 )\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:162 )\n\tat org.apache.catalina.core.StandardWrapperValve.invoke( StandardWrapperValve.java:197 )\n\tat org.apache.catalina.core.StandardContextValve.invoke( StandardContextValve.java:97 )\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke( AuthenticatorBase.java:541 )\n\tat org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:135 )\n\tat org.apache.catalina.valves.ErrorReportValve.invoke( ErrorReportValve.java:92 )\n\tat org.apache.catalina.core.StandardEngineValve.invoke( StandardEngineValve.java:78 )\n\tat org.apache.catalina.connector.CoyoteAdapter.service( CoyoteAdapter.java:360 )\n\tat org.apache.coyote.http11.Http11Processor.service( Http11Processor.java:399 )\n\tat org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:65 )\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:890 )\n\tat org.apache.tomcat.util.net .NioEndpoint$SocketProcessor.doRun( NioEndpoint.java:1789 )\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run ( SocketProcessorBase.java:49 )\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1191 )\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:659 )\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61 )\n\tat java.base/java.lang.Thread.run( Thread.java:833 )\n", "message": "Cannot invoke \" org.springframework.security .authentication.AuthenticationManager.authenticate( org.springframework.security .core.Authentication)\" because the return value of \" com.example.corespringsecurityajax.security .filter.AjaxLoginProcessingFilter.getAuthenticationManager()\" is null", "path": "/api/login" }
미해결
스프링 핵심 원리 - 기본편
import도 안되궁 스프링 버젼은 2.7.X버젼인거 같은뎅용 임포트 방법을 모르겠네욤
미해결
Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
안녕하세요! 뒤늦게 강의를 수강하고 있습니다. 현재 mariadb docker build 후에 docker run을 하게 되면 아래와 같은 에러가 발생합니다. 구글링을 해도 방법을 찾을 수가 없어요 ㅜㅜ [Dockerfile] [Docker logs mariadb] 어떻게 해결해야 할까요?...
미해결
따라하며 배우는 노드, 리액트 시리즈 - 레딧 사이트 만들기(NextJS)(Pages Router)
영상에 따라서 단순하게 cookie-parser 설치하고 import cookie-parser 한다음에 app.use(cookieParser()) 진행하면 상단에 이미지처럼 에러가 발생하더라구요. cookie-parser을 제거하면 cookie가 정상적으로 저장되는 것을 볼 수 있었습니다. 어떤 부분을 놓친 것일까요 server.ts import express from "express"; import morgan from "morgan"; import { AppDataSource } from "./data-source" import authRoutes from "./routes/auth"; import subRoutes from "./routes/subs"; import cors from 'cors'; import dotenv from 'dotenv'; import cookieParser from "cookie-parser"; const app = express(); dotenv.config(); app.use(cors({ origin: process.env.ORIGIN, credentials: true })) app.use(express.json()); app.use(morgan('dev')); app.use(cookieParser()) app.get("/", (_, res) => res.send("running")); app.use('/api/auth', authRoutes); app.use("/api/subs", subRoutes); const PORT = process.env.PORT; console.log('PORT', PORT) app.listen(PORT, async () => { console.log(`server running at http://localhost:${PORT}`); AppDataSource.initialize().then(async () => { console.log("data initialize...") }).catch(error => console.log(error)) })
해결됨
keras-yolo3로 학습을 하려고 했는데 도저히 에러 발생에서 해결을 못하겠습니다.... 주피터 노트북에서 실행했습니다 """ Retrain the YOLO model for your own dataset. """ import os from pathlib import Path HOME_DIR = 'C:/test/' ANNO_DIR = 'C:/test/label_xml/' #xml 파일들 IMAGE_DIR = 'c:/test/images1/' #이미지 파일들 print(ANNO_DIR) print(IMAGE_DIR) files = os.listdir(ANNO_DIR) files2 = os.listdir(IMAGE_DIR) print('파일 개수는:',len(files)) print('파일 개수는:',len(files2)) import numpy as np import tensorflow.keras.backend as K from keras.layers import Input, Lambda from keras.models import * from keras.optimizers import Adam from keras.callbacks import TensorBoard, ModelCheckpoint, ReduceLROnPlateau, EarlyStopping from tensorflow.python.ops import control_flow_ops import sys LOCAL_PACKAGE_DIR = os.path.abspath("c:/test/SED") sys.path.append(LOCAL_PACKAGE_DIR) from yolo3.model import preprocess_true_boxes, yolo_body, tiny_yolo_body, yolo_loss from yolo3.utils import get_random_data from train import get_classes, get_anchors from train import create_model, data_generator, data_generator_wrapper annotation_path = 'c:/test/label_xml/annotation.csv' log_dir = 'c:/test/logs/000/' classes_path = 'c:/test/model_data/voc_classes.txt' anchors_path = 'c:/test/model_data/yolo_anchors.txt' class_names = get_classes(classes_path) num_classes = len(class_names) anchors = get_anchors(anchors_path) model_weights_path = 'c:/test/model_data/yolo.h5' input_shape = (416,416) is_tiny_version = len(anchors)==6 # default setting # create_tiny_model(), create_model() 함수의 인자 설정을 원본 train.py에서 수정. if is_tiny_version: model = create_tiny_model(input_shape, anchors, num_classes, freeze_body=2, weights_path=model_weights_path) else: # create_model 은 해당 패키지의 tarin.py 내부에 있는 클래스를 사용했다. 이 함수는 keras 모듈이 많이 사용한다. 우선 모르는 건 pass하고 넘어가자. model = create_model(input_shape, anchors, num_classes, freeze_body=2, weights_path=model_weights_path) # make sure you know what you freeze # epoch 마다 call back 하여 모델 파일 저장. # 이것 또한 Keras에서 많이 사용하는 checkpoint 저장 방식인듯 하다. 우선 이것도 모르지만 넘어가자. logging = TensorBoard(log_dir=log_dir) checkpoint = ModelCheckpoint(log_dir + 'ep{epoch:03d}-loss{loss:.3f}-val_loss{val_loss:.3f}.h5', monitor='val_loss', save_weights_only=True, save_best_only=True, period=3) reduce_lr = ReduceLROnPlateau(monitor='val_loss', factor=0.1, patience=3, verbose=1) early_stopping = EarlyStopping(monitor='val_loss', min_delta=0, patience=10, verbose=1) val_split = 0.1 # train data : val_data = 9 : 1 with open(annotation_path) as f: # 이러니 annotation 파일이 txt이든 csv이든 상관없었다. lines = f.readlines() # 랜덤 시드 생성 및 lines 셔플하기 np.random.seed(10101) np.random.shuffle(lines) np.random.seed(None) # 데이터셋 나누기 num_val = int(len(lines)*val_split) num_train = len(lines) - num_val # 여기서 부터 진짜 학습 시작! # create_model() 로 반환된 yolo모델에서 trainable=False로 되어 있는 layer들 제외하고 학습 if True: # optimizer와 loss 함수 정의 # 위에서 사용한 create_model 클래스의 맴버함수를 사용한다. model.compile(optimizer=Adam(lr=1e-3), loss={ # use custom yolo_loss Lambda layer. 'yolo_loss': lambda y_true, y_pred: y_pred}) batch_size = 4 print('Train on {} samples, val on {} samples, with batch size {}.'.format(num_train, num_val, batch_size)) # foward -> backpropagation -> weight 갱신 -> weight 저장 # checkpoint 만드는 것은 뭔지 모르겠으니 pass... model.fit _generator( data_generator_wrapper(lines[:num_train], batch_size, input_shape, anchors, num_classes), steps_per_epoch=max(1, num_train//batch_size), validation_data=data_generator_wrapper(lines[num_train:], batch_size, input_shape, anchors, num_classes), validation_steps=max(1, num_val//batch_size), epochs=50, initial_epoch=0, callbacks=[logging, checkpoint]) model.save _weights(log_dir + 'trained_weights_stage_1.h5') # create_model() 로 반환된 yolo모델에서 trainable=False로 되어 있는 layer들 없이, 모두 True로 만들고 다시 학습 if True: for i in range(len(model.layers)): model.layers[i].trainable = True model.compile(optimizer=Adam(lr=1e-4), loss={'yolo_loss': lambda y_true, y_pred: y_pred}) # recompile to apply the change print('Unfreeze all of the layers.') batch_size = 4 # note that more GPU memory is required after unfreezing the body print('Train on {} samples, val on {} samples, with batch size {}.'.format(num_train, num_val, batch_size)) model.fit _generator( data_generator_wrapper(lines[:num_train], batch_size, input_shape, anchors, num_classes), steps_per_epoch=max(1, num_train//batch_size), validation_data=data_generator_wrapper(lines[num_train:], batch_size, input_shape, anchors, num_classes), validation_steps=max(1, num_val//batch_size), epochs=100, initial_epoch=50, callbacks=[logging, checkpoint, reduce_lr, early_stopping]) model.save _weights(log_dir + 'trained_weights_final.h5') 이렇게 해주고 실행을 했습니다. 이미지 경로도 제대로 설정해줬는데 파일이나 폴더를 찾을 수가 없다고 하는데 어떻게 해주어야 할까요.... 저 images1 폴더를 다른 이름으로 수정하거나 없애도 경로가 계속 'c:/test/images1\\hardhatvest' 이곳을 가리킵니다. Train on 29 samples, val on 3 samples, with batch size 4. Epoch 1/50 --------------------------------------------------------------------------- FileNotFoundError Traceback (most recent call last) ~\AppData\Local\Temp\ipykernel_20040\2424985784.py in <module> 20 epochs=50, 21 initial_epoch=0, ---> 22 callbacks=[logging, checkpoint]) 23 model.save_weights(log_dir + 'trained_weights_stage_1.h5') 24 ~\anaconda3\envs\test\lib\site-packages\keras\legacy\interfaces.py in wrapper(*args, **kwargs) 89 warnings.warn('Update your `' + object_name + '` call to the ' + 90 'Keras 2 API: ' + signature, stacklevel=2) ---> 91 return func(*args, **kwargs) 92 wrapper._original_function = func 93 return wrapper ~\anaconda3\envs\test\lib\site-packages\keras\engine\training.py in fit_generator(self, generator, steps_per_epoch, epochs, verbose, callbacks, validation_data, validation_steps, validation_freq, class_weight, max_queue_size, workers, use_multiprocessing, shuffle, initial_epoch) 1730 use_multiprocessing=use_multiprocessing, 1731 shuffle=shuffle, -> 1732 initial_epoch=initial_epoch) 1733 1734 @interfaces.legacy_generator_methods_support ~\anaconda3\envs\test\lib\site-packages\keras\engine\training_generator.py in fit_generator(model, generator, steps_per_epoch, epochs, verbose, callbacks, validation_data, validation_steps, validation_freq, class_weight, max_queue_size, workers, use_multiprocessing, shuffle, initial_epoch) 183 batch_index = 0 184 while steps_done < steps_per_epoch: --> 185 generator_output = next(output_generator) 186 187 if not hasattr(generator_output, '__len__'): ~\anaconda3\envs\test\lib\site-packages\keras\utils\data_utils.py in get(self) 740 "`use_multiprocessing=False, workers > 1`." 741 "For more information see issue #1638.") --> 742 six.reraise(*sys.exc_info()) ~\anaconda3\envs\test\lib\site-packages\six.py in reraise(tp, value, tb) 717 if value.__traceback__ is not tb: 718 raise value.with_traceback(tb) --> 719 raise value 720 finally: 721 value = None ~\anaconda3\envs\test\lib\site-packages\keras\utils\data_utils.py in get(self) 709 try: 710 future = self.queue.get(block=True) --> 711 inputs = future.get(timeout=30) 712 self.queue.task_done() 713 except mp.TimeoutError: ~\anaconda3\envs\test\lib\multiprocessing\pool.py in get(self, timeout) 655 return self._value 656 else: --> 657 raise self._value 658 659 def _set(self, i, obj): ~\anaconda3\envs\test\lib\multiprocessing\pool.py in worker(inqueue, outqueue, initializer, initargs, maxtasks, wrap_exception) 119 job, i, func, args, kwds = task 120 try: --> 121 result = (True, func(*args, **kwds)) 122 except Exception as e: 123 if wrap_exception and func is not _helper_reraises_exception: ~\anaconda3\envs\test\lib\site-packages\keras\utils\data_utils.py in next_sample(uid) 648 The next value of generator `uid`. 649 """ --> 650 return six.next(_SHARED_SEQUENCES[uid]) 651 652 c:\test\train.py in data_generator(annotation_lines, batch_size, input_shape, anchors, num_classes) 177 if i==0: 178 np.random.shuffle(annotation_lines) --> 179 image, box = get_random_data(annotation_lines[i], input_shape, random=True) 180 image_data.append(image) 181 box_data.append(box) c:\test\yolo3\utils.py in get_random_data(annotation_line, input_shape, random, max_boxes, jitter, hue, sat, val, proc_img) 37 '''random preprocessing for real-time data augmentation''' 38 line = annotation_line.split() ---> 39 image = Image.open(line[0]) 40 iw, ih = image.size 41 h, w = input_shape ~\anaconda3\envs\test\lib\site-packages\PIL\Image.py in open(fp, mode, formats) 3090 3091 if filename: -> 3092 fp = builtins.open(filename, "rb") 3093 exclusive_fp = True 3094 FileNotFoundError: [Errno 2] No such file or directory: 'c:/test/images1\\hardhatvest'
미해결
풀스택을 위한 도커와 최신 서버 기술(리눅스, nginx, AWS, HTTPS, 배포까지) [풀스택 Part3]
안녕하세요. 강의자료를 사전에 '수업준비' 챕터에서 받았는데, 본 docker 챕터부터 강의자료가 없는것 같아요. 아니면, 강의자료가 다른곳에 첨부되어 있을까요? 권한 부여된 자료를 어디서 확인할 수 있는지 모르겠습니다. 메일은 2021. 12. 26. 오후 2:03 에 보냈습니다. 혹시 몰라서 오늘 다시 보냈습니다. 확인 한번만 부탁드립니다. 인프런 아이디 hajuny129@gmail.com 구글 이메일 hajuny129@gmail.com
미해결
[코드팩토리] [중급] Flutter 진짜 실전! 상태관리, 캐시관리, Code Generation, GoRouter, 인증로직 등 중수가 되기 위한 필수 스킬들!
안녕하세요, 수업내용 중 에러발생하여 글 작성합니다. go router를 프로젝트에 적용하는 수업을 듣는데, 적용 후 하기와 같은 에러가 발생 했습니다. 'package:flutter/src/widgets/navigator.dart': Failed assertion: line 2918 pos 12: 'route._navigator == navigator': is not true. 오타가 있을까봐 관련 수업들 전부 2,3번 보았지만 오타는 없었습니다. 찾아보니 리다이렉트가 2번실행되는 상황들이 있다고 해서 redirect를 없애고 실행하니 잘되었습니다. 에러발생 사유와 어떻게 방지해야되는지 알 수있을까요?
미해결
Vue.js + TypeScript 완벽 가이드
권한요청 드립니다. lcg5320@gmail.com
미해결
따라하며 배우는 노드, 리액트 시리즈 - 쇼핑몰 사이트 만들기[전체 리뉴얼]
안녕하세요 강사님 2강을 듣는중 boilerplace-mern stack master을 다운받고 압축해제를 한 후 npm install을 하는데 이러한 오류가 나옵니다. Windows PowerShell Copyright (C) Microsoft Corporation. All rights reserved. 새로운 크로스 플랫폼 PowerShell 사용 https://aka.ms/pscore6 PS C:\Users\park\Documents\boilerplate-mern-stack-master> npm install npm WARN old lockfile npm WARN old lockfile The package-lock.json file was created with an old version of npm, npm WARN old lockfile so supplemental metadata must be fetched from the registry. npm WARN old lockfile npm WARN old lockfile This is a one-time fix-up, please be patient... npm WARN old lockfile npm WARN deprecated ini@1.3.5: Please update to ini >=1.3.6 to avoid a prototype pollution issue npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated npm WARN deprecated mkdirp@0.5.4: Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.) npm WARN deprecated source-map-resolve@0.5.3: See https://github.com/lydell/source-map-resolve#deprecated npm WARN deprecated chokidar@2.1.8: Chokidar 2 does not receive security updates since 2019. Upgrade to chokidar 3 with 15x fewer dependencies npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated npm WARN deprecated source-map-url@0.4.0: See https://github.com/lydell/source-map-url#deprecated npm WARN deprecated debug@4.1.1: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. ( https://github.com/visionmedia/debug/issues/797 ) npm WARN deprecated debug@3.2.6: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. ( https://github.com/visionmedia/debug/issues/797 ) npm WARN deprecated debug@3.2.6: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. ( https://github.com/visionmedia/debug/issues/797 ) npm WARN deprecated bcrypt@3.0.8: versions < v5.0.0 do not handle NUL in passwords properly npm WARN deprecated node-pre-gyp@0.14.0: Please upgrade to @mapbox/node-pre-gyp: the non-scoped node-pre-gyp package is deprecated and only the @mapbox scoped package will recieve updates in the future npm ERR! code 1 npm ERR! path C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! command failed npm ERR! command C:\WINDOWS\system32\cmd.exe /d /s /c C:\Users\park\AppData\Local\Temp\install-8386daeb.cmd npm ERR! Failed to execute 'C:\Program Files\nodejs\node.exe C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding --napi_version=8 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v93' (1) npm ERR! node-pre-gyp info it worked if it ends with ok npm ERR! node-pre-gyp info using node-pre-gyp@0.14.0 npm ERR! node-pre-gyp info using node@16.17.0 | win32 | x64 npm ERR! node-pre-gyp WARN Using needle for node-pre-gyp https download npm ERR! node-pre-gyp info check checked for "C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node" (not found) npm ERR! node-pre-gyp http GET https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v93-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp http 404 https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v93-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Tried to download(404): https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v93-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Pre-built binaries not found for bcrypt@3.0.8 and node@16.17.0 (node-v93 ABI, unknown) (falling back to source compile with node-gyp) npm ERR! node-pre-gyp http 404 status code downloading tarball https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v93-win32-x64-unknown.tar.gz npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@9.0.0 npm ERR! gyp info using node@16.17.0 | win32 | x64 npm ERR! gyp info ok npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@9.0.0 npm ERR! gyp info using node@16.17.0 | win32 | x64 npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python Python is not set from command line or npm configuration npm ERR! gyp ERR! find Python Python is not set from environment variable PYTHON npm ERR! gyp ERR! find Python checking if "python3" can be used npm ERR! gyp ERR! find Python - "python3" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if "python" can be used npm ERR! gyp ERR! find Python - "python" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python39\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python39\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python39\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python39\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python39-32\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python39-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python39-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python39-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python39-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python39-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python38\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python38\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python38\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python38\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python38-32\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python38-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python38-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python38-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python38-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python38-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python37\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python37\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python37\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python37\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python37-32\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python37-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python37-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python37-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python37-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python37-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python36\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python36\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python36\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python36\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Users\park\AppData\Local\Programs\Python\Python36-32\python.exe npm ERR! gyp ERR! find Python - "C:\Users\park\AppData\Local\Programs\Python\Python36-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python36-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files\Python36-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python36-32\python.exe npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python36-32\python.exe" could not be run npm ERR! gyp ERR! find Python checking if the py launcher can be used to find Python 3 npm ERR! gyp ERR! find Python - "py.exe" is not in PATH or produced an error npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python You need to install the latest version of Python. npm ERR! gyp ERR! find Python Node-gyp should be able to find and use Python. If not, npm ERR! gyp ERR! find Python you can try one of the following options: npm ERR! gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe" npm ERR! gyp ERR! find Python (accepted by both node-gyp and npm) npm ERR! gyp ERR! find Python - Set the environment variable PYTHON npm ERR! gyp ERR! find Python - Set the npm configuration variable python: npm ERR! gyp ERR! find Python npm config set python "C:\Path\To\python.exe" npm ERR! gyp ERR! find Python For more information consult the documentation at: npm ERR! gyp ERR! find Python https://github.com/nodejs/node-gyp#installation npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python npm ERR! gyp ERR! configure error npm ERR! gyp ERR! stack Error: Could not find any Python installation to use npm ERR! gyp ERR! stack at PythonFinder.fail (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:330:47) npm ERR! gyp ERR! stack at PythonFinder.runChecks (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:159:21) npm ERR! gyp ERR! stack at PythonFinder.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:228:18) npm ERR! gyp ERR! stack at PythonFinder.execFileCallback (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:294:16) npm ERR! gyp ERR! stack at exithandler (node:child_process:408:5) npm ERR! gyp ERR! stack at ChildProcess.errorhandler (node:child_process:420:5) npm ERR! gyp ERR! stack at ChildProcess.emit (node:events:513:28) npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:289:12) npm ERR! gyp ERR! stack at onErrorNT (node:internal/child_process:478:16) npm ERR! gyp ERR! stack at processTicksAndRejections (node:internal/process/task_queues:83:21) npm ERR! gyp ERR! System Windows_NT 10.0.19044 npm ERR! gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--fallback-to-build" "--module=C:\\Users\\park\\Documents\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding\\bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=C:\\Users\\park\\Documents\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding" "--napi_version=8" "--node_abi_napi=napi" "--napi_build_version=0" "--node_napi_label=node-v93" npm ERR! gyp ERR! cwd C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! gyp ERR! node -v v16.17.0 api_version=8 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v93' (1) npm ERR! node-pre-gyp ERR! stack at ChildProcess.<anonymous> (C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\node-pre-gyp\lib\util\compile.js:83:29) npm ERR! node-pre-gyp ERR! stack at ChildProcess.emit (node:events:513:28) npm ERR! node-pre-gyp ERR! stack at maybeClose (node:internal/child_process:1093:16) npm ERR! node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:302:5) npm ERR! node-pre-gyp ERR! System Windows_NT 10.0.19044 npm ERR! node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\park\\Documents\\boilerplate-mern-stack-master\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build" npm ERR! node-pre-gyp ERR! cwd C:\Users\park\Documents\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! node-pre-gyp ERR! node -v v16.17.0 npm ERR! node-pre-gyp ERR! node-pre-gyp -v v0.14.0 npm ERR! node-pre-gyp ERR! not ok npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\park\AppData\Local\npm-cache\_logs\2022-09-28T10_16_33_214Z-debug-0.log PS C:\Users\park\Documents\boilerplate-mern-stack-master> 이유를 알 수 있을까요..ㅠㅠ 답변 기다리고 있습니다..ㅠㅠㅠ 처음부터 이래버려서 진도를 나갈수가 없어요 흑흑
미해결
실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
지금 저희가 하는 코드에서 7분07초쯤 expected가 1밖에 될 수 없는건가요?
