Posts - EthanK-Dev

JavaScript PHP Python Node.js Java Swift React Android Server Workspace Code Git

앱 푸시알림 연동

Firebase / Notification

Posted by ETHAN KIM on November 08, 2023 · 8 mins read

React Android

useQuery 정리

useQuery / hook

Posted by ETHAN KIM on August 05, 2023 · 5 mins read

React

프로그래머스 두 원 사이의 정수 쌍

완전탐색 / 구현

Posted by ETHAN KIM on July 19, 2023 · 1 min read

Code Python

Apple Login

IOS Webview / Apple Key

Posted by ETHAN KIM on June 09, 2023 · 7 mins read

PHP React

React API 전용

axios / intercept option / token

Posted by ETHAN KIM on June 07, 2023 · 6 mins read

React

데이터 플로우차트 구상

SQL/RDBMS

Posted by ETHAN KIM on May 07, 2023 · 1 min read

Server

Swift UI WebView2

Camera permission / image upload

Posted by ETHAN KIM on April 24, 2023 · 8 mins read

Swift

Swift UI WebView

xcode / intent

Posted by ETHAN KIM on April 23, 2023 · 4 mins read

Swift

웹뷰 기본 최종

Intent 처리, 카카오 예외처리 / Camera & File 접근권한 / 파일 업로드 연동

Posted by ETHAN KIM on April 23, 2023 · 27 mins read

Android Java

프로그래머스 요격 시스템

정렬 / 묶음영역 카운트

Posted by ETHAN KIM on April 20, 2023 · 2 mins read

Code Python

웹뷰 이미지업로드 기능 추가

Camera & File 접근권한 / 업로드 설정

Posted by ETHAN KIM on April 17, 2023 · 27 mins read

Android Java

웹뷰 INTENT 설정

KAKAO 로그인 / TOSS 결제

Posted by ETHAN KIM on April 15, 2023 · 8 mins read

Android Java

프로그래머스 숫자 변환하기

다이나믹프로그래밍 / 바텀업

Posted by ETHAN KIM on April 10, 2023 · 1 min read

Code Python

프로그래머스 기사단원의 무기

약수의 개수

Posted by ETHAN KIM on April 10, 2023 · 2 mins read

Code Java

프로그래머스 가장 가까운 같은 글자

Hash/문자열 순회

Posted by ETHAN KIM on April 08, 2023 · 2 mins read

Code Java

프로그래머스 개인정보 수집 유효기간

Hash/Date

Posted by ETHAN KIM on April 07, 2023 · 5 mins read

Code Java

프로그래머스 연속된 부분 수열의 합

최적화문제

Posted by ETHAN KIM on April 06, 2023 · 2 mins read

Code Python

프로그래머스 달리기경주

메모이제이션 / index

Posted by ETHAN KIM on April 06, 2023 · 2 mins read

Code Python

프로그래머스 시소짝꿍

메모이제이션

Posted by ETHAN KIM on April 04, 2023 · 2 mins read

Code Python

프로그래머스 과제진행하기

스택 자료구조

Posted by ETHAN KIM on April 03, 2023 · 4 mins read

Code Python

프로그래머스 추억점수

반복문 / 해시구조

Posted by ETHAN KIM on April 02, 2023 · 2 mins read

Code Python

Swift UI Test

xcode / app

Posted by ETHAN KIM on March 28, 2023 · 1 min read

Swift

프로그래머스 뒤에 있는 큰 수 찾기

stack / 트리구조

Posted by ETHAN KIM on March 21, 2023 · 3 mins read

Code Python

프로그래머스 리코쳇 로봇

그래프 / BFS

Posted by ETHAN KIM on March 17, 2023 · 4 mins read

Code Python

프로그래머스 당구 연습

구현 / 시뮬레이션

Posted by ETHAN KIM on March 16, 2023 · 4 mins read

Code Python

프로그래머스 광물캐기

구현 / 완전탐색 / 그리디

Posted by ETHAN KIM on March 14, 2023 · 4 mins read

Code Python

프로그래머스 공원산책

구현 / 시뮬레이션

Posted by ETHAN KIM on March 13, 2023 · 3 mins read

Code Python

프로그래머스 무인도 여행

그래프 / BFS

Posted by ETHAN KIM on March 11, 2023 · 3 mins read

Code Python

프로그래머스 연속 펄스 부분 수열의 합

다이나믹 프로그래밍

Posted by ETHAN KIM on March 09, 2023 · 1 min read

Code Python

프로그래머스 호텔 대실

구현 / 완전탐색

Posted by ETHAN KIM on March 08, 2023 · 2 mins read

Code Python

프로그래머스 둘만의 암호

문자열 순회

Posted by ETHAN KIM on March 07, 2023 · 1 min read

Code Python

프로그래머스 혼자서 하는 틱택토

set/집합/완전탐색

Posted by ETHAN KIM on March 06, 2023 · 4 mins read

Code Python

프로그래머스 대충 만든 자판

메모라이징/구현

Posted by ETHAN KIM on March 05, 2023 · 3 mins read

Code Python

프로그래머스 덧칠하기

greedy/탐욕법

Posted by ETHAN KIM on March 04, 2023 · 2 mins read

Code Python

프로그래머스 바탕화면정리

2차원배열/완전탐색

Posted by ETHAN KIM on March 04, 2023 · 3 mins read

Code Python

프로그래머스 1,2,3 떨어트리기

그래프/재귀함수/큐

Posted by ETHAN KIM on March 03, 2023 · 5 mins read

Code Python

프로그래머스 표현 가능한 이진트리

다이나믹프로그래밍/탑다운/1의 보수

Posted by ETHAN KIM on February 24, 2023 · 3 mins read

Code Python

프로그래머스 미로탈출

bfs / 넓이우선탐색

Posted by ETHAN KIM on February 21, 2023 · 4 mins read

Code Python

프로그래머스 카드뭉치

배열

Posted by ETHAN KIM on February 20, 2023 · 2 mins read

Code Python

JAVA 윈도우GUI

text 변환 프로그램

Posted by ETHAN KIM on February 10, 2023 · 11 mins read

Java

Android 웹뷰 테스트앱

웹뷰 / POST

Posted by ETHAN KIM on January 15, 2023 · 8 mins read

Android Java

Google Analytics

react-ga4

Posted by ETHAN KIM on January 10, 2023 · 4 mins read

React JavaScript

Python 엑셀병합 프로그램 4

exe 컴파일 및 동작테스트

Posted by ETHAN KIM on December 18, 2022 · 2 mins read

Python

Python 엑셀병합 프로그램 3

GUI생성 / PyQt5

Posted by ETHAN KIM on December 16, 2022 · 4 mins read

Python

Python 엑셀병합 프로그램 2

win32.com / recover file type

Posted by ETHAN KIM on December 16, 2022 · 6 mins read

Python

Python 엑셀병합 프로그램 1

pandas / xlswriter

Posted by ETHAN KIM on December 15, 2022 · 4 mins read

Python

git&github remind

clone, pull and push with merge

Posted by ETHAN KIM on November 17, 2022 · 1 min read

Git

Node.js & MongoDB API

NoSQL Express API server

Posted by ETHAN KIM on November 15, 2022 · 7 mins read

Node.js

Mongo DB 설치 및 초기세팅

접근제한 / 사용자권한

Posted by ETHAN KIM on November 05, 2022 · 2 mins read

Server

Spring Boot API 서버 테스트 7

DELETE / CRUD 완성

Posted by ETHAN KIM on September 21, 2022 · 6 mins read

Java Server

Spring Boot API 서버 테스트 6

PUT / @Path, @RequestBody

Posted by ETHAN KIM on September 20, 2022 · 6 mins read

Java Server

React Order

Toss API / 일반결제, 간편결제

Posted by ETHAN KIM on September 19, 2022 · 18 mins read

React PHP

React Payment

Toss API / 사용자정보

Posted by ETHAN KIM on September 17, 2022 · 19 mins read

React

React Address

Kakao API / 사용자정보

Posted by ETHAN KIM on September 15, 2022 · 18 mins read

React

React Kakao Login

Token / KakaoAPI

Posted by ETHAN KIM on September 11, 2022 · 9 mins read

React PHP

React Login

Token

Posted by ETHAN KIM on September 10, 2022 · 7 mins read

React PHP

프로그래머스 야근 지수

자료구조 / Max Heap

Posted by ETHAN KIM on September 05, 2022 · 1 min read

Code Python

Spring Boot API 서버 테스트 5

POST / @RequestBody

Posted by ETHAN KIM on August 26, 2022 · 5 mins read

Java Server

Spring Boot API 서버 테스트 4

postman / API Parameter

Posted by ETHAN KIM on August 25, 2022 · 3 mins read

Java Server

Android Webview Debugging

Chrome inspect

Posted by ETHAN KIM on August 19, 2022 · 1 min read

Android JavaScript

React Page Cache

react-router-dom cache

Posted by ETHAN KIM on August 18, 2022 · 17 mins read

React

Spring Boot API DB연동 에러

mariadb jdbc/ port 중복

Posted by ETHAN KIM on August 15, 2022 · 2 mins read

Java Server

Spring Boot API 서버 테스트 3

DB 연결 / DAO 맵핑

Posted by ETHAN KIM on July 28, 2022 · 6 mins read

Java Server

Spring Boot API 서버 테스트 2

Controller/Service 구성

Posted by ETHAN KIM on July 26, 2022 · 4 mins read

Java Server

Spring Boot API 서버 테스트

개발환경 세팅

Posted by ETHAN KIM on July 25, 2022 · 1 min read

Java Server

JSP & SERVLET

MVC 패턴 구성 테스트

Posted by ETHAN KIM on July 21, 2022 · 8 mins read

Java Server

Server setting 3

데이터베이스 설정

Posted by ETHAN KIM on July 13, 2022 · 4 mins read

Server PHP

Server setting 2

방화벽설정 / document root 지정/ 설정

Posted by ETHAN KIM on July 11, 2022 · 2 mins read

Server PHP

Server setting 1

권한세팅 / ACM 설치

Posted by ETHAN KIM on July 10, 2022 · 3 mins read

Server PHP

프로그래머스 멀쩡한 사각형

GCD / 최대공약수

Posted by ETHAN KIM on June 14, 2022 · 1 min read

Code Python

프로그래머스 문자열 압축

카카오 / 계수정렬

Posted by ETHAN KIM on June 14, 2022 · 3 mins read

Code Python

프로그래머스 신고결과 받기

카카오 / 해시구조

Posted by ETHAN KIM on June 12, 2022 · 3 mins read

Code Python

React Image Uploader

이미지 업로드 / avatar package

Posted by ETHAN KIM on June 05, 2022 · 8 mins read

React

Android 웹뷰 테스트

JAVA / 웹뷰

Posted by ETHAN KIM on June 01, 2022 · 5 mins read

Android Java

React Native Test2

Navigator 페이지 이동

Posted by ETHAN KIM on May 26, 2022 · 1 min read

React

React Native Test1

모바일 UI 디자인 테스트

Posted by ETHAN KIM on May 25, 2022 · 6 mins read

React

Android 계산기앱 3

JAVA / 기초

Posted by ETHAN KIM on April 13, 2022 · 21 mins read

Android Java

Android 계산기앱 2

JAVA / 기초

Posted by ETHAN KIM on April 12, 2022 · 12 mins read

Android Java

Android 계산기앱 1

JAVA / 기초

Posted by ETHAN KIM on April 11, 2022 · 6 mins read

Android

React Web Structure Test7

리액트 디자인 / 검색기능 추가

Posted by ETHAN KIM on April 10, 2022 · 5 mins read

React

React Web Structure Test6

리액트 디자인 / 로그인 기능

Posted by ETHAN KIM on April 09, 2022 · 13 mins read

React PHP

React Web Structure Test5

리액트 디자인 / Detail 페이지

Posted by ETHAN KIM on April 08, 2022 · 6 mins read

React

React Web Structure Test4

페이지 렌더링 / 최종

Posted by ETHAN KIM on April 04, 2022 · 3 mins read

React

React Web Structure Test3

props event 전달

Posted by ETHAN KIM on April 04, 2022 · 2 mins read

React

React Web Structure Test2

함수형 컴포넌트 / Hook

Posted by ETHAN KIM on April 04, 2022 · 4 mins read

React

React Web Structure Test1

함수형 컴포넌트 / 라우터

Posted by ETHAN KIM on April 03, 2022 · 1 min read

React

리액트 기초

클래스형 컴포넌트

Posted by ETHAN KIM on April 01, 2022 · 5 mins read

React

업비트 API 자동거래 테스트5

메인 컨트롤구현

Posted by ETHAN KIM on March 17, 2022 · 11 mins read

Node.js

업비트 API 자동거래 테스트4

session 로그인 구현

Posted by ETHAN KIM on March 16, 2022 · 1 min read

Node.js

업비트 API 자동거래 테스트3

암호화 작업

Posted by ETHAN KIM on March 13, 2022 · 2 mins read

Node.js

업비트 API 자동거래 테스트2

웹서버 structure 구성

Posted by ETHAN KIM on March 11, 2022 · 9 mins read

Node.js

업비트 API 자동거래 테스트1

nodejs / web

Posted by ETHAN KIM on March 10, 2022 · 14 mins read

Node.js

MYSQL UPSERT

ON DUPLICATE KEY

Posted by ETHAN KIM on February 08, 2022 · 3 mins read

PHP

N으로 표현

다이나믹 프로그래밍

Posted by ETHAN KIM on December 23, 2021 · 3 mins read

Code Python

센서 및 타이머 실시간

smart factory

Posted by ETHAN KIM on December 22, 2021 · 17 mins read

JavaScript Workspace

데이터 KPI구현

smart factory

Posted by ETHAN KIM on December 20, 2021 · 12 mins read

JavaScript Workspace

JS 날짜 포맷, 평일일수

only 28+ 일수 체크

Posted by ETHAN KIM on December 19, 2021 · 2 mins read

JavaScript

바코드 스캐너 활용

smart factory

Posted by ETHAN KIM on December 14, 2021 · 37 mins read

JavaScript Workspace

실시간 센서데이터 테스트2

smart factory

Posted by ETHAN KIM on December 14, 2021 · 18 mins read

JavaScript Workspace

Swift UI 기초

xcode / app

Posted by ETHAN KIM on December 13, 2021 · 4 mins read

Swift

실시간 센서데이터 테스트

smart factory

Posted by ETHAN KIM on December 13, 2021 · 13 mins read

JavaScript Workspace

웹 API Project 1

도메인 등록

Posted by ETHAN KIM on December 10, 2021 · 9 mins read

Node.js

JAVA 게임만들기 2 [main]

main class 구성

Posted by ETHAN KIM on December 05, 2021 · 9 mins read

Java

JAVA 게임만들기 1 [sub]

sub class 구성

Posted by ETHAN KIM on December 05, 2021 · 7 mins read

Java

숫자 문자열과 영단어

KAKAO 인턴쉽 채용 기출문제

Posted by ETHAN KIM on November 15, 2021 · 2 mins read

Code Python

SNS서비스 Project 4 (최종)

게시글(이미지), 팔로우 기능

Posted by ETHAN KIM on November 10, 2021 · 9 mins read

Node.js

SNS서비스 Project 3

회원가입, 로그인(KAKAO)

Posted by ETHAN KIM on November 10, 2021 · 11 mins read

Node.js

SNS서비스 Project 2

DataBase

Posted by ETHAN KIM on November 09, 2021 · 9 mins read

Node.js

SNS서비스 Project 1

FrontEnd

Posted by ETHAN KIM on November 08, 2021 · 8 mins read

Node.js

프로그래머스 더 맵게

Heap 자료구조

Posted by ETHAN KIM on November 04, 2021 · 3 mins read

Code Python

mac mysql 설치

Homebrew

Posted by ETHAN KIM on November 01, 2021 · 3 mins read

Node.js

태블릿용 작업관리

smart factory

Posted by ETHAN KIM on October 27, 2021 · 76 mins read

JavaScript Workspace

공정별 불량현황

smart factory

Posted by ETHAN KIM on October 27, 2021 · 19 mins read

JavaScript Workspace

프로그래머스 오픈채팅방

다이나믹 프로그래밍

Posted by ETHAN KIM on October 26, 2021 · 3 mins read

Code Python

불량리스트 tree

smart factory

Posted by ETHAN KIM on October 26, 2021 · 4 mins read

PHP Workspace

조건부 리스트

smart factory

Posted by ETHAN KIM on October 26, 2021 · 3 mins read

PHP Workspace

작업관리 WEB

smart factory

Posted by ETHAN KIM on October 25, 2021 · 82 mins read

JavaScript Workspace

레시피 체크

smart factory

Posted by ETHAN KIM on October 24, 2021 · 31 mins read

JavaScript Workspace

프로그래머스 타겟넘버

DFS, 깊이우선탐색

Posted by ETHAN KIM on October 20, 2021 · 3 mins read

Code Python

프로그래머스 KAKAO ID추천

정규식

Posted by ETHAN KIM on October 17, 2021 · 4 mins read

Code Python

창고이동

smart factory

Posted by ETHAN KIM on October 16, 2021 · 5 mins read

PHP Workspace

node 테스트1

node base

Posted by ETHAN KIM on October 13, 2021 · 2 mins read

Node.js

프로그래머스 추석트래픽 KAKAO

탐욕법, Greedy

Posted by ETHAN KIM on October 13, 2021 · 4 mins read

Code Python

반복문 Promise 처리

비동기 / 애니메이션

Posted by ETHAN KIM on October 11, 2021 · 1 min read

JavaScript

파이썬 datetime

datetime / timedelta

Posted by ETHAN KIM on October 01, 2021 · 1 min read

Python

프로그래머스 로또의 최고순위와 최저순위

계수정렬

Posted by ETHAN KIM on September 18, 2021 · 2 mins read

Code Python

프로그래머스 복서정렬

퀵정렬

Posted by ETHAN KIM on September 09, 2021 · 6 mins read

Code Python

PHP 가변변수

가변변수를 통한 변수명 동적생성

Posted by ETHAN KIM on September 03, 2021 · 1 min read

PHP

프로그래머스 크레인 인형뽑기 게임

카카오 / 구현 / 시뮬레이션

Posted by ETHAN KIM on August 15, 2021 · 4 mins read

Code JavaScript

프로그래머스 상호평가

O(n^2)

Posted by ETHAN KIM on August 12, 2021 · 6 mins read

Code JavaScript

프로그래머스 모의고사

완전탐색 / 구현

Posted by ETHAN KIM on August 09, 2021 · 4 mins read

Code JavaScript

프로그래머스 폰켓몬

중복처리 / SET

Posted by ETHAN KIM on August 08, 2021 · 2 mins read

Code JavaScript

프로그래머스 소수 만들기

3중 순회 / 소수 판별

Posted by ETHAN KIM on August 06, 2021 · 2 mins read

Code JavaScript

프로그래머스 체육복

탐욕법(Greedy)

Posted by ETHAN KIM on August 05, 2021 · 3 mins read

Code JavaScript

프로그래머스 부족한 금액 계산

위클리 챌린지

Posted by ETHAN KIM on August 04, 2021 · 1 min read

Code JavaScript

input 태그 금액표현

1000단위 콤마 / 양의 정수

Posted by ETHAN KIM on July 26, 2021 · 3 mins read

JavaScript

JavaScript Promise

Promise / async / await

Posted by ETHAN KIM on July 26, 2021 · 8 mins read

JavaScript

Javascript 비동기

동기와 비동기 / 블로킹과 논블로킹

Posted by ETHAN KIM on July 26, 2021 · 2 mins read

JavaScript

JavaScript ES6 문법정리

ECMAScript6

Posted by ETHAN KIM on July 26, 2021 · 3 mins read

JavaScript

JavaScript PDF파일 생성

jsPDF, autoTable

Posted by ETHAN KIM on July 25, 2021 · 20 mins read

JavaScript

JavaScript 코드 동작원리

엔진, 인터프리터

Posted by ETHAN KIM on July 23, 2021 · 3 mins read

JavaScript