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lecture #1
lecture-1 repo인데 clone 주소는 lecture-2로 되어있네요
Starting the development server...
Error: error:0308010C:digital envelope routines::unsupported
at new Hash (node:internal/crypto/hash:71:19)
at Object.createHash (node:crypto:133:10)
at module.exports (/home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/util/createHash.js:135:53)
at NormalModule._initBuildHash (/home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:417:16)
at handleParseError (/home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:471:10)
at /home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:503:5
at /home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:358:12
at /home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:373:3
at iterateNormalLoaders (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:214:10)
at iterateNormalLoaders (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:221:10)
at /home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:236:3
at runSyncOrAsync (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:130:11)
at iterateNormalLoaders (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:232:2)
at Array.<anonymous> (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:205:4)
at Storage.finished (/home/tbs01215/IAD/lecture-1/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:55:16)
at /home/tbs01215/IAD/lecture-1/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:91:9
/home/tbs01215/IAD/lecture-1/node_modules/react-scripts/scripts/start.js:19
throw err;
^
Error: error:0308010C:digital envelope routines::unsupported
at new Hash (node:internal/crypto/hash:71:19)
at Object.createHash (node:crypto:133:10)
at module.exports (/home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/util/createHash.js:135:53)
at NormalModule._initBuildHash (/home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:417:16)
at /home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:452:10
at /home/tbs01215/IAD/lecture-1/node_modules/webpack/lib/NormalModule.js:323:13
at /home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:367:11
at /home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:233:18
at context.callback (/home/tbs01215/IAD/lecture-1/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
at /home/tbs01215/IAD/lecture-1/node_modules/babel-loader/lib/index.js:55:103 {
opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ],
library: 'digital envelope routines',
reason: 'unsupported',
code: 'ERR_OSSL_EVP_UNSUPPORTED'
}
Node.js v18.14.2
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
실행에서 막히는데 다른 분들은 어떤지 모르겠습니다.
교재 26p diagnostics 섹션의 'Reduce JavaScript execution time' 항목에 관련된 내용이 있는데
코드를 실행시켜 검사해보면 교재와 내용이 다른데요..! 다른 이유가 무엇인가요?
사이트에 연결할 수 없다고 뜹니다 확인 부탁드립니다
안녕하세요 선생님, 좋은 책 써주셔서 감사합니다.
책으로 스터디 중에 질문이 생겨 이슈를 통해 남깁니다.
32페이지 Event Log 탭에서 Experience Scripting을 확인할 수 있다고 말씀주셨는데, 처음 보는 용어라 검색해보았으나 마땅한 검색 결과가 없었습니다.
Experience Scripting이 무엇을 의미하는 단어인지 궁금합니다.
아니면 관련 정보를 찾아볼 수 있는 방법을 알려주시면 매우 감사드리겠습니다..!!
// src/compoents/Article
function removeSpecialCharacter(str) {
let _str = str.substring(0, 300);
_str = str.replace(/[#_*~&;![\]`>\n=\->]/g, ""); // _str = _str.replace(/[#_*~&;![\]`>\n=\->]/g, ""); //
return _str;
}
300자로 잘랐던 변수를 활용해야하므로 str.replace -> _str.replace 부분으로 변수 오타를 수정해야할 것 같습니다!
35P의 교재에서는 ArticleList에 대해 1.4s가 나왔지만 제 로컬에서 돌렸을때에는 242ms정도 밖에 나오지 않았습니다.
로컬환경에 따라 이렇게 시간차이가 클 수가 있나요?
시간차이가 크지 않아서 책 내용을 보지 않았더라면 병목현상임을 확인하지 못했을 것 같은데 병목확인을 위해 의도적으로 컴퓨터 사양을 낮추고 테스트를 돌리는 경우도 있는지 궁금합니다
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JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
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A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
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We are working to build community through open source technology. NB: members must have two-factor auth.
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