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2020-07-15 08시 개발자 글 모음 | "Java Stream (3) 스트림의" 외 13개 이야기

Daily Study Logging47 - [번역]React hooks를 쓰면 Redux를 안써도 될까? by 차이새

  • props return ( < div > < h1 > The count is { count } < / h1 > < button onClick = { ( ) => increment ( count ) } > + < / button > < button onClick = { ( ) => decrement ( count ) } > - < / button > < / div > ) } } const mapStateToProps = store => ( { count : store
  • useDispatch } from "react-redux" const App = ( ) => { const dispatch = useDispatch ( ) const count = useSelector ( store => store
  • count ) return ( < div > < h1 > The count is { count } < / h1 > < button onClick = { ( ) => dispatch ( actions


갈리아 전쟁기와 내가 생각하는 율리우스 카이사르 by 왕형준

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#2 by 이유진


    [leetCode] 371. Sum of Two Integers (Python) by 장동현 about Python

    • Calculate the sum of two integers a and b
    • but you are not allowed to use the operator + and -
    • b: int) -> int: answer = sum([a


    Python Multi Threading crawl by 김경록 about Python

    • json()) results[page_idx] = res print('thread {} finished'
    • format(page_idx)) total_pages = 106 + 1 # index는 0번부터 page는 1번부터 # global에 variable을 생성 해준다 threads = [None] * total_pages results = [None] * total_pages for i in range(1
    • sleep(total_pages / 3) cnt = 0 result_total = [] for result in results: cnt += 1 print(cnt


    Android PHP MySQL 예제 - 데이터베이스에 데이터 입력하기 by 이정주 about MySQL,Android,SQL

    • $con = new PDO("mysql:host={$host};dbname={$dbname};charset=utf8"
    • if( (($_SERVER['REQUEST_METHOD'] == 'POST') && isset($_POST['submit'])) || $android )
    • Android PHP MySQL 예제 - 데이터베이스에 데이터 저장 및 JSON 형식으로 가져오는 예제 프로젝트 http://webnautes


    노드버드 리뉴얼 강의 정리 #1 시작 by 서진규 about Node


      기본문장 (96~100) by 김이삭

      • = No sooner had he seen me than he ran away
      • = the moment[instant] A B * The moment he saw me he ran away
      • = as soon as A B * As soon as he saw me he ran away


      php 이야기 by 이종립


        평균 계산 복잡도 구하기 by 이종립

        • A random variable is a function from the sample space of an experiment to the set of real numbers
        • of the random variable on the sample space is equal to
        • the difference between the value of and the mean of


        스트레스 by 김학진

        • 내가 어떻게 느끼든 앞으로 1년간은 그분의 연구원이니까
        • 내가 완벽하지 않다는 것을 인정하자
        • 내 자아는 무너질지언정 나는 살아남을 것이다


        AAT_Phase 2. balance color bug fix by 김학진

        • '졸업작품 (AAT)' 시리즈 AAT_Phase 2
        • balance color bug fix


        아마존을 넘어서는 국내 쇼핑몰들 by 진민규

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        Java Stream (3) 스트림의 개념 by 민동휘 about Java

        • City @Getter @AllArgsConstructor public class City { private String name; private double area; // 면적 private int population; // 인구 private String areaCode; // 지역 번호 } cities List cities = Arrays
        • List largeCities = new ArrayList<>(); for (City city : cities) { if (city
        • getArea()); } }); List largeCityNames = new ArrayList<>(); for (City city : largeCities) { largeCityNames