문제해결

문제상황과제 완료 후 pull request 날림step2 브랜치를 따로 파서 작업을 했기 때문에 step1 브랜치에 merge 함피드백 받은 후 코드 수정 후 push 할려고 함error: 레퍼런스를 'git@github.com:'에 푸시하는데 실패했습니다힌트: 현재

Error: The slice reducer for key "todos" returned undefined during initialization. If the state passed to the reducer is undefined, you must explicitl

Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, ca

Expected an assignment or function call and instead saw an expression no-unused-expressions​할당 또는 함수 호출을 예상했지만 대신 사용하지 않는 표현식이 없음을 확인했습니다.해결방안​리액트나 리덕

Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "text/html". Strict MIME type checking

react_devtools_backend.js:4045 Warning: A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing fr

Uncaught Error: Objects are not valid as a React child (found: object Promise). If you meant to render a collection of children, use an array instead.

React 함수 컴포넌트에서 Hook을 호출하면 된다Custom Hook에서 Hook을 호출해야 한다

Warning: React does not recognize the cardInfo prop on a DOM element. If you intentionally want it to appear in the DOM as a custom attribute, spell i