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ํ”„๋กœ์ ํŠธ DBMT: AI๋กœ ๊ฒŒ์ž„ ๋ฐฐ๊ฒฝ์Œ์•…, ํšจ๊ณผ์Œ ๋งŒ๋“ค๊ธฐ ๋ณดํ˜ธ๋˜์–ด ์žˆ๋Š” ๊ธ€ ์ž…๋‹ˆ๋‹ค. 2025. 9. 21.
ํ”„๋กœ์ ํŠธ DBMT: AI๋กœ ๊ฒŒ์ž„ ๋ฐฐ๊ฒฝ ์ด๋ฏธ์ง€ ๋งŒ๋“ค๊ธฐ ๋ณดํ˜ธ๋˜์–ด ์žˆ๋Š” ๊ธ€ ์ž…๋‹ˆ๋‹ค. 2025. 9. 17.
React Hook - useEffect https://youtu.be/kyodvzc5GHU?si=2yWMI_ua561IY2_E useEffect์ปดํฌ๋„ŒํŠธ๊ฐ€ ํ™”๋ฉด์— ๋žœ๋”๋ง ๋  ๋•Œ ํŠน์ • ์ž‘์—…์„ ์ฒ˜๋ฆฌํ•˜๊ณ  ์‹ถ์„ ๋•Œ ์‚ฌ์šฉํ•œ๋‹ค.์ฒซ ๋žœ๋”๋ง์„ Mount, ๋ฆฌ๋žœ๋”๋ง์„ Update, ์‚ฌ๋ผ์งˆ ๋•Œ๋ฅผ Unmount ๋ผ๊ณ  ํ•œ๋‹ค.useEffect๋Š” 1๊ฐœ ๋˜๋Š” 2๊ฐœ์˜ ์ธ์ž๋ฅผ ๊ฐ€์งˆ์ˆ˜ ์žˆ๋‹ค. ์ฒซ ๋ฒˆ์งธ ์ธ์ž๋Š” ๋žœ๋”๋ง๋  ๋•Œ ์‹คํ–‰ํ•  ์ฝœ๋ฐฑํ•จ์ˆ˜์ด๋‹ค. (ํ™”์‚ดํ‘œ ํ•จ์ˆ˜)๋‘ ๋ฒˆ์งธ ์ธ์ž๊ฐ€ ์—†๋‹ค๋ฉด, ๋žœ๋”๋ง ๋  ๋•Œ๋งˆ๋‹ค ์ฝœ๋ฐฑํ•จ์ˆ˜๋ฅผ ์‹คํ–‰ํ•œ๋‹ค.๋‘ ๋ฒˆ์งธ ์ธ์ž๊ฐ€ ์žˆ๋‹ค๋ฉด ๋ฆฌ์ŠคํŠธ ํ˜•ํƒœ์ด๋ฉฐ, ๋ณ€ํ™”๋ฅผ ๊ฐ์ง€ํ•  state๋“ค์˜ ๋ฆฌ์ŠคํŠธ์ด๋‹ค. Dependency Array ๋ผ๊ณ  ํ•œ๋‹ค.๋‘ ๋ฒˆ์งธ ์ธ์ž๊ฐ€ ์žˆ์ง€๋งŒ ๋นˆ ๋ฆฌ์ŠคํŠธ๋ผ๋ฉด, ์ฒซ ๋žœ๋”๋ง (Mount) ๋•Œ๋งŒ ์‹คํ–‰ํ•œ๋‹ค.useEffect์˜ ์ฒซ ๋ฒˆ์งธ ์ธ์ž์ธ ์ฝœ๋ฐฑํ•จ์ˆ˜ ๋‚ด์˜ return.. 2025. 8. 24.
React Hook - useState https://youtu.be/G3qglTF-fFI?si=22w7YmS9L6PYar1xuseStateuseState๋Š” ๋ณ€์ˆ˜์™€ ๊ทธ ๋ณ€์ˆ˜์˜ Setter๋ฅผ ๋ฆฌํ„ดํ•ด์ค€๋‹ค.Setter๋ฅผ ํ†ตํ•ด ๊ฐ’์ด ์—…๋ฐ์ดํŠธ ๋  ๋•Œ๋งˆ๋‹ค ์ปดํฌ๋„ŒํŠธ๊ฐ€ ๋ฆฌ๋žœ๋”๋ง๋œ๋‹ค.๊ณ„์† UI์—์„œ ๋ณ€๊ฒฝ๋œ ๊ฐ’์„ ๋ณด์—ฌ์ค˜์•ผ ํ•  ๋•Œ ์“ฐ๋ฉด ์ข‹๋‹คTip) ๋ฆฌ์•กํŠธ ํ•จ์ˆ˜ ์ปดํฌ๋„ŒํŠธ๋Š” return๋ฌธ๋ถ€ํ„ฐ ์ฝ๊ณ , ์š”์†Œ ํ•˜๋‚˜์”ฉ ์œ„์—์„œ ์ฐพ์•„์„œ ์ฝ์ž!import { useState } from 'react';function App() { const [time, setTime] = useState(1); const handleClick = () => { setTime((time + 1) % 24); } console.log("Rendering..."); return { .. 2025. 8. 24.
LeetCode 88. Merge Sorted Array (Easy) ๋”๋ณด๊ธฐ์ง€์ธ ๋ถ„์ด ๊ตฌ๊ธ€ ์ฝ”๋ฆฌ์•„๋กœ ์ด์งํ•˜์‹œ๋ฉด์„œ ์˜ˆ์ „์— ๊ตฌ๊ธ€ ์ค€๋น„ํ•˜๋˜ ๊ฒŒ ์ƒ๊ฐ๋‚ฌ๋‹ค.19๋…„์— ์ธํ„ด, 20๋…„์— ์‹ ์ž…์œผ๋กœ ์ง€์›ํ–ˆ๋Š”๋ฐ ์ „์ž๋Š” ์•„์‰ฝ๊ฒŒ, ํ›„์ž๋Š” ์•ˆ ์•„์‰ฝ๊ฒŒ ๋–จ์–ด์กŒ๋‹ค~~๊ฒฝ๋ ฅ ๋ฉด์ ‘์€ ์–ด๋–ป๊ฒŒ ๋ณด๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ์ง€๋งŒ LeetCode๋กœ ๋ฉด์ ‘ ์ค€๋น„ํ•˜๋˜ ๊ฒŒ ๋– ์˜ฌ๋ž๋‹ค. https://leetcode.com/company/google/?favoriteSlug=google-thirty-days์ด๊ฒŒ LeetCode์—์„œ ๊ตฌ๊ธ€ ๋ฌธ์ œ๋ฅผ ๋ชจ์•„๋‘” ๊ฑฐ ๊ฐ™์€๋ฐ ์œ ๋ฃŒ๋ผ์„œ ํŒจ์Šค! https://www.reddit.com/r/leetcode/comments/1h886z6/most_frequent_google_interview_questions_on/?tl=kohttps://p.ip.fi/2tCA ๋ ˆ๋”ง์—์„œ ์–ด๋–ค ์‚ฌ๋žŒ์ด ๊ณต์œ ํ•œ ๊ตฌ๊ธ€ ๋ฌธ์ œ ๋ฆฌ์ŠคํŠธ.๋Œ“.. 2025. 8. 24.
Windows 11์—์„œ Docker Desktop์œผ๋กœ pyspark-notebook ์„ธํŒ…ํ•˜๊ธฐ 1. Docker Desktop์„ ์„ค์น˜ํ•œ๋‹ค.https://docs.docker.com/desktop/install/windows-install/ WindowsGet started with Docker for Windows. This guide covers system requirements, where to download, and instructions on how to install and update.docs.docker.com โ€ป ์•„๋ž˜ ๋งํฌ์—์„œ ๋‹ค์šด ๋ฐ›์€ exe ํŒŒ์ผ์€    "ํ˜„์žฌ PC์—์„œ๋Š” ์ด ์•ฑ์„ ์‹คํ–‰ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค" ๊ฐ€ ๋–ด๋Š”๋ฐ, ์œ„ ๋งํฌ์—์„œ๋Š” ๋ฐ”๋กœ ์‹คํ–‰์ด ๋๋‹ค.https://www.docker.com/products/docker-desktop/ Docker Desktop: The #1 Con.. 2024. 10. 1.