๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

์ „์ฒด ๊ธ€166

[React] styled-component ์‚ฌ์šฉํ•ด์„œ html body ์™ผ์ชฝ ์—ฌ๋ฐฑ ์—†์• ๊ธฐ ๋ฌธ์ œ ์ƒํ™ฉ ์ปดํฌ๋„ŒํŠธ์˜ ์œ„์น˜๋ฅผ left:0์œผ๋กœ ์ง€์ •ํ•ด์คฌ์Œ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ , ์™ผ์ชฝ ์—ฌ๋ฐฑ์ด ์—†์–ด์ง€์ง€ ์•Š๋Š” ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜์˜€๋‹ค. ์ด๊ฑด body ์ „์ฒด์˜ margin๊ณผ padding ๊ฐ’์„ 0์œผ๋กœ ์ง€์ •ํ•ด์ฃผ๋ฉด ๋˜๋Š”๋ฐ, ํ˜„์žฌ ํ”„๋กœ์ ํŠธ์˜ ๊ฒฝ์šฐ styled-componet๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์—ˆ๊ธฐ ๋•Œ๋ฌธ์—, styled-component๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ body ์Šคํƒ€์ผ์„ ์ •ํ•ด์ค„ ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ณด์•˜๋‹ค. GlobalStyle ์ง€์ •ํ•ด์ฃผ๊ธฐ GlobalStyle.js ํŒŒ์ผ์„ ๋”ฐ๋กœ ์ƒ์„ฑํ•ด์„œ body ์Šคํƒ€์ผ์„ ์ง€์ •ํ•ด์ฃผ๋ฉด ๋œ๋‹ค. import { createGlobalStyle } from "styled-components"; const GlobalStyle = createGlobalStyle` body { margin: 0; padding: 0; } .. 2022. 12. 11.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค JS] ๋‹คํ•ญ์‹ ๋”ํ•˜๊ธฐ ๋”๋ณด๊ธฐ ๋ฌธ์ œ ์„ค๋ช… ํ•œ ๊ฐœ ์ด์ƒ์˜ ํ•ญ์˜ ํ•ฉ์œผ๋กœ ์ด๋ฃจ์–ด์ง„ ์‹์„ ๋‹คํ•ญ์‹์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋‹คํ•ญ์‹์„ ๊ณ„์‚ฐํ•  ๋•Œ๋Š” ๋™๋ฅ˜ํ•ญ๋ผ๋ฆฌ ๊ณ„์‚ฐํ•ด ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๋ง์…ˆ์œผ๋กœ ์ด๋ฃจ์–ด์ง„ ๋‹คํ•ญ์‹ polynomial์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, ๋™๋ฅ˜ํ•ญ๋ผ๋ฆฌ ๋”ํ•œ ๊ฒฐ๊ด๊ฐ’์„ ๋ฌธ์ž์—ด๋กœ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. ๊ฐ™์€ ์‹์ด๋ผ๋ฉด ๊ฐ€์žฅ ์งง์€ ์ˆ˜์‹์„ return ํ•ฉ๋‹ˆ๋‹ค. ์ œํ•œ์‚ฌํ•ญ 0 2022. 12. 9.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค JS] ์ง์‚ฌ๊ฐํ˜• ๋„“์ด ๊ตฌํ•˜๊ธฐ / Math.max() Math.min() ๋”๋ณด๊ธฐ ๋ฌธ์ œ ์„ค๋ช… 2์ฐจ์› ์ขŒํ‘œ ํ‰๋ฉด์— ๋ณ€์ด ์ถ•๊ณผ ํ‰ํ–‰ํ•œ ์ง์‚ฌ๊ฐํ˜•์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ง์‚ฌ๊ฐํ˜• ๋„ค ๊ผญ์ง“์ ์˜ ์ขŒํ‘œ [[x1, y1], [x2, y2], [x3, y3], [x4, y4]]๊ฐ€ ๋‹ด๊ฒจ์žˆ๋Š” ๋ฐฐ์—ด dots๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, ์ง์‚ฌ๊ฐํ˜•์˜ ๋„“์ด๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. ์ œํ•œ์‚ฌํ•ญ dots์˜ ๊ธธ์ด = 4 dots์˜ ์›์†Œ์˜ ๊ธธ์ด = 2 -256 { x_arr.push(dot[0]); y_arr.push(dot[1]); }) let x = Math.abs(Math.max(...x_arr) - Math.min(...x_arr)); let y = Math.abs(Math.max(...y_arr) - Math.min(...y_arr)); let answer = x*y; return a.. 2022. 12. 9.
[React] React.js - Django REST framework API ์‚ฌ์ง„ ์˜ฌ๋ฆฌ๊ธฐ ๋ฐ ์ถœ๋ ฅํ•˜๊ธฐ Django ์žฅ๊ณ  ์„ค์ •์€ ์ด ๊ธ€์„ ์ฐธ๊ณ  ๋ฐ”๋žŒ https://developer0809.tistory.com/104 [#. Django] Django admin/api(drf)์— image ์—…๋กœ๋“œํ•˜๊ณ  react์—์„œ image ๋ถˆ๋Ÿฌ์˜ค๊ธฐ ์›น์‚ฌ์ดํŠธ ๋žœ๋”ฉ ํŽ˜์ด์ง€์— swiper.js๋ฅผ ์ด์šฉํ•œ ์Šฌ๋ผ์ด๋“œ ์ด๋ฏธ์ง€, ์ œ๋ชฉ, ๋‚ด์šฉ์„ admin์—์„œ ์ถ”๊ฐ€/์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋ ค๊ณ  ํ•œ๋‹ค django admin์— ๋ชจ๋ธ์„ ์ถ”๊ฐ€ํ•˜๊ณ  rest api์—๋„ ์ถ”๊ฐ€ํ•  ๊ฒƒ์ด๋‹ค โ‘  Pillow ์„ค์น˜ Pillow developer0809.tistory.com React.js ์ด๋ฏธ์ง€ ๊ฒฝ๋กœ๋ฅผ ์„ค์ •ํ•ด์ฃผ๋ฉด ๋œ๋‹ค. src={http://localhost:8000/letter/uploads/images/${currLetter.photoName}} 400 ์—๋Ÿฌ๋‚ .. 2022. 12. 8.
[JS] input type=date ์ผ ๋•Œ ์˜ค๋Š˜ ์ดํ›„๋กœ๋งŒ ๋‚ ์งœ ์„ ํƒ๋˜๊ฒŒ ํ•˜๊ธฐ // ๋‹ค๋ฅธ ๋‚ ์งœ ์„ ํƒ ์‹œ, ๋‚ด์ผ๋ถ€ํ„ฐ ์„ ํƒ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๊ธฐ let today = new Date(); let tomorrow = new Date(today.setDate(today.getDate() + 1)); let year = tomorrow.getFullYear(); let month = tomorrow.getMonth() + 1; let day = tomorrow.getDate(); if (month < 10) { month = "0" + month; } if (day < 10) { day = "0" + day; } let availableDay = `${year}-${month}-${day}`; ์ฐธ๊ณ  ๋ฌธ์„œ https://developer.mozilla.org/ko/docs/Web/HTML/Elemen.. 2022. 12. 8.
[Next.js] ํ”„๋กœ์ ํŠธ ์ƒ์„ฑํ•˜๊ธฐ 1. ํ”„๋กœ์ ํŠธ ์ƒ์„ฑํ•˜๊ธฐ - ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ X npx create-next-app@latest # or yarn create next-app # or pnpm create next-app - ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ O npx create-next-app@latest --typescript # or yarn create next-app --typescript # or pnpm create next-app --typescript 2. next, react, react-dom ์„ค์น˜ํ•˜๊ธฐ npm install next react react-dom # or yarn add next react react-dom # or pnpm add next react react-dom 3. npm ์„ค์น˜ํ•˜๊ธฐ - ์•ˆํ•˜๋ฉด script ์‹คํ–‰ ์‹œ, ".. 2022. 12. 7.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค JS] ์ˆจ์–ด์žˆ๋Š” ์ˆซ์ž์˜ ๋ง์…ˆ (2) ๋”๋ณด๊ธฐ ๋ฌธ์ œ ์„ค๋ช… ๋ฌธ์ž์—ด my_string์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. my_string์€ ์†Œ๋ฌธ์ž, ๋Œ€๋ฌธ์ž, ์ž์—ฐ์ˆ˜๋กœ๋งŒ ๊ตฌ์„ฑ๋˜์–ด์žˆ์Šต๋‹ˆ๋‹ค. my_string์•ˆ์˜ ์ž์—ฐ์ˆ˜๋“ค์˜ ํ•ฉ์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. ์ œํ•œ์‚ฌํ•ญ 1 โ‰ค my_string์˜ ๊ธธ์ด โ‰ค 1,000 1 โ‰ค my_string ์•ˆ์˜ ์ž์—ฐ์ˆ˜ โ‰ค 1000 ์—ฐ์†๋œ ์ˆ˜๋Š” ํ•˜๋‚˜์˜ ์ˆซ์ž๋กœ ๊ฐ„์ฃผํ•ฉ๋‹ˆ๋‹ค. 000123๊ณผ ๊ฐ™์ด 0์ด ์„ ํ–‰ํ•˜๋Š” ๊ฒฝ์šฐ๋Š” ์—†์Šต๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด์— ์ž์—ฐ์ˆ˜๊ฐ€ ์—†๋Š” ๊ฒฝ์šฐ 0์„ return ํ•ด์ฃผ์„ธ์š”. ์ž…์ถœ๋ ฅ ์˜ˆmy_stringresult "aAb1B2cC34oOp" 37 "1a2b3c4d123Z" 133 ์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช… ์ž…์ถœ๋ ฅ ์˜ˆ #1 "aAb1B2cC34oOp"์•ˆ์˜ ์ž์—ฐ์ˆ˜๋Š” 1, 2, 34 ์ž…๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ 1 + 2 + 34 .. 2022. 12. 7.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค JS] ์ด์ง„์ˆ˜ ๋”ํ•˜๊ธฐ (10์ง„์ˆ˜ 2์ง„์ˆ˜ ๋ณ€ํ™˜) ๋”๋ณด๊ธฐ ๋ฌธ์ œ ์„ค๋ช… ์ด์ง„์ˆ˜๋ฅผ ์˜๋ฏธํ•˜๋Š” ๋‘ ๊ฐœ์˜ ๋ฌธ์ž์—ด bin1๊ณผ bin2๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, ๋‘ ์ด์ง„์ˆ˜์˜ ํ•ฉ์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. ์ œํ•œ์‚ฌํ•ญ return ๊ฐ’์€ ์ด์ง„์ˆ˜๋ฅผ ์˜๋ฏธํ•˜๋Š” ๋ฌธ์ž์—ด์ž…๋‹ˆ๋‹ค. 1 โ‰ค bin1, bin2์˜ ๊ธธ์ด โ‰ค 10 bin1๊ณผ bin2๋Š” 0๊ณผ 1๋กœ๋งŒ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค. bin1๊ณผ bin2๋Š” "0"์„ ์ œ์™ธํ•˜๊ณ  0์œผ๋กœ ์‹œ์ž‘ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆbin1bin2result "10" "11" "101" "1001" "1111" "11000" ์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช… ์ž…์ถœ๋ ฅ ์˜ˆ #1 10 + 11 = 101 ์ด๋ฏ€๋กœ "101" ์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 1001 + 1111 = 11000 ์ด๋ฏ€๋กœ "11000"์„ returnํ•ฉ๋‹ˆ๋‹ค. ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„์„ ์œ„ํ•ด์„œ .. 2022. 12. 7.
[๊ฐœ๋ฐœ์ผ์ง€] ํ•˜์ด๋””๋ผ์˜ค ํ› ๊ถˆ ์†Œ์Šค ๋ฐฑ๊ณผ์‚ฌ์ „ ์•„์ด๋””์–ด ๋‚˜๋Š” (ํ•œ์‹ ์ œ์™ธ) ํ–ฅ์‹ ๋ฃŒ๊ฐ€ ๋“ค์–ด๊ฐ„ ์Œ์‹๋“ค์„ ๊ทธ๋‹ค์ง€ ์ข‹์•„ํ•˜์ง€ ์•Š์•„ ํ› ๊ถˆ๋ฅผ ๋จน์–ด๋ณธ ์ ์ด ์—†์—ˆ๋‹ค. ํ•˜์ง€๋งŒ ์š”์ƒˆ ๋‚ด ์ฃผ๋ณ€ ์นœ๊ตฌ๋“ค์€ 'ํ•˜์ด๋””๋ผ์˜ค'๋ผ๋Š” ์‹๋‹น์„ ๋งค์šฐ ์ข‹์•„ํ•˜๋Š” ๋ฐ, ์ด ๊ณณ์€ ๋‹ค๋ฅธ ํ› ๊ถˆ ์‹๋‹น๊ณผ๋Š” ๋‹ค๋ฅด๊ฒŒ ์ง์ ‘ ์†Œ์Šค๋ฅผ ๋งŒ๋“ค์–ด๋จน์„ ์ˆ˜ ์žˆ๋Š” ์†Œ์Šค๋ฐ”๊ฐ€ ์žˆ๋‹ค. ์†Œ์Šค ์žฌ๋ฃŒ ์ข…๋ฅ˜๊ฐ€ ์ •๋ง ๋‹ค์–‘ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ด๋“ค์„ ์กฐํ•ฉํ•  ์ˆ˜ ์žˆ๋Š” ๋ ˆ์‹œํ”ผ ๋˜ํ•œ ์•„์ฃผ ๋งŽ๋‹ค. ํ•˜์ง€๋งŒ ์‹๋‹น์—๋Š” 4~5๊ฐ€์ง€์˜ ์†Œ์Šค ์ œ์กฐ๋ฒ•๋งŒ ์ ํ˜€์žˆ์—ˆ๋‹ค. ์ธํ„ฐ๋„ท์—์„œ ๋‚ด๊ฐ€ ๋ณธ ์†Œ์Šค ๋ ˆ์‹œํ”ผ๋Š” ๋” ๋งŽ์•˜๋Š”๋ฐ! ๊ทธ๋ž˜์„œ ์ด ๋ ˆ์‹œํ”ผ๋“ค์„ ๋ชจ์•„์„œ ํ•œ ๊ณณ์—์„œ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค๋ฉด ์ •๋ง ํŽธํ•  ๊ฒƒ ๊ฐ™๋‹ค๋Š” ์ƒ๊ฐ์ด ๋“ค์—ˆ๋‹ค. ๋ฒ„์ „ 1 ๊ฐœ๋ฐœ ์ด ๋•Œ ๋‹น์‹œ์—๋Š” ๋‚ด๊ฐ€ ๋ง‰ HTML/CSS ๊ทธ๋ฆฌ๊ณ  ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ ์กฐ๊ธˆ ์ ์‘ํ•ด๊ฐ€๋˜ ๋•Œ์˜€๊ธฐ ๋•Œ๋ฌธ์— ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๊ฐ™์€ ๊ณ ์˜ค๊ธ‰ ๊ธฐ์ˆ ์„ ์ƒ๊ฐํ•  ์—ฌ๋ ฅ์ด ์—†์—ˆ๋‹ค. ๋ ˆ์‹œ.. 2022. 12. 7.