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Opportunity comes to the prepared mind.
ยท AI
์š”์ฆ˜ ํšŒ์‚ฌ๋‚˜ ๊ธฐ๊ด€์—์„œ ๋‚ด๋ถ€ ๋งค๋‰ด์–ผ, ๊ทœ์ •์ง‘, ๋ฌธ์„œ ๋“ฑ์—์„œ๋‚ด๊ฐ€ ๊ถ๊ธˆํ•œ ๋‚ด์šฉ์„ ์ž์—ฐ์–ด๋กœ ๋ฌผ์–ด๋ณด๋ฉด AI๊ฐ€ ๋”ฑ ๋งž๋Š” ๋‹ต์„ ์ฐพ์•„์ฃผ๋Š”์Šค๋งˆํŠธ ๊ฒ€์ƒ‰ ์‹œ์Šคํ…œ์ด ์ ์  ๋” ์ค‘์š”ํ•ด์ง€๊ณ  ์žˆ์ฃ .๊ธฐ์กด ํ‚ค์›Œ๋“œ ๊ฒ€์ƒ‰์€ ๋‹จ์–ด๋‚˜ ํ‘œํ˜„์ด ์กฐ๊ธˆ๋งŒ ๋‹ฌ๋ผ๋„ ์›ํ•˜๋Š” ์ •๋ณด๋ฅผ ๋ชป ์ฐพ๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์•„์š”.๊ทธ๋ž˜์„œ ์ €๋Š” ์˜๋ฏธ๋กœ ๊ฒ€์ƒ‰ํ•˜๋Š” AI,๋‹จ์–ด๊ฐ€ ๋‹ฌ๋ผ๋„ ๋ฌธ์žฅ์˜ ๋œป์ด ๋น„์Šทํ•˜๋ฉด ๊ด€๋ จ ๋‚ด์šฉ์„ ์ฐพ์•„์ฃผ๋Š” ์‹œ์Šคํ…œ์— ๋„์ „ํ•ด๋ณด๊ณ  ์‹ถ์—ˆ์–ด์š”. SQuAD ๋ฐ์ดํ„ฐ์…‹์ด๋ž€?SQuAD(Stanford Question Answering Dataset)๋Š”์œ„ํ‚คํ”ผ๋””์•„ ๋ฌธ์„œ์—์„œ ๋ฌธ๋‹จ(context), ์งˆ๋ฌธ(question), ์ •๋‹ต(answer)์ด ํ•œ ์„ธํŠธ๋กœ ๋ฌถ์—ฌ ์žˆ๋Š” ๋Œ€ํ˜• ์˜์–ด ์งˆ์˜์‘๋‹ต ๋ฐ์ดํ„ฐ์…‹์ž…๋‹ˆ๋‹ค. { "data": [ { "title": "๋ฌธ์„œ ์ œ๋ชฉ", "pa..
ยท MySQL
https://school.programmers.co.kr/learn/courses/30/lessons/131529 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก์˜ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr SELECT LEFT(PRODUCT_CODE, 2) AS category, COUNT(PRODUCT_ID)FROM productGROUP BY categoryORDER BY category 1. PRODUCT ํ…Œ์ด๋ธ”์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถˆ๋Ÿฌ์˜จ๋‹ค2. GROUP BY๋กœ category ๋ณ„๋กœ ๊ทธ๋ฃน์„ ๋งŒ๋“ ๋‹ค. * ์›๋ž˜ ์—ฌ๊ธฐ์— category๋ณด๋‹ค๋Š” LEFT ํ•จ์ˆ˜๊ฐ€ ๋“ค์–ด์˜ค๋Š”๊ฒŒ ๋งž์ง€๋งŒ MY SQL์—์„œ๋Š” AS๋กœ ๋ฐ”๋กœ ๋ถˆ๋Ÿฌ์˜ฌ ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๊ธฐ์— ์ด๋ ‡๊ฒŒ ์ž‘์„ฑํ•˜์˜€๋‹ค.3..
ยท AI
์•ˆ๋…•ํ•˜์„ธ์š”?AI์— ๊ด€์‹ฌ์ด ๋งŽ์•„์„œ, ์ด๋ฒˆ์— ์ฒ˜์Œ์œผ๋กœ ์˜ํ™” ๋ฆฌ๋ทฐ ๊ฐ์ • ๋ถ„์„ ํ”„๋กœ์ ํŠธ์— ๋„์ „ํ•ด๋ดค์Šต๋‹ˆ๋‹ค.์‚ฌ์‹ค ์ธ๊ณต์ง€๋Šฅ์ด๋ผ๋Š” ๊ฒŒ ๋ง‰์—ฐํ•˜๊ฒŒ๋งŒ ๋А๊ปด์กŒ๋Š”๋ฐ,๊ตฌ๊ธ€ ์ฝ”๋žฉ์—์„œ ์ง์ ‘ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ค๋ฃจ๊ณ  ๋ชจ๋ธ์„ ๋งŒ๋“ค์–ด๋ณด๋‹ˆ๊นŒ์ƒ๊ฐ๋ณด๋‹ค ์žฌ๋ฏธ์žˆ๊ณ  ์‹ ๊ธฐํ•œ ๊ฒฝํ—˜์ด์—ˆ์–ด์š”.์ด ๊ธ€์—์„œ๋Š” TensorFlow์—์„œ ์ œ๊ณตํ•˜๋Š” IMDB ์˜ํ™” ๋ฆฌ๋ทฐ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ€์ง€๊ณ AI๊ฐ€ ์–ด๋–ป๊ฒŒ ์‚ฌ๋žŒ์˜ ๊ฐ์ •์„ ์ดํ•ดํ•˜๋Š”์ง€ ํ•˜๋‚˜์”ฉ ๋”ฐ๋ผ๊ฐ€๋ดค๋˜ ๊ณผ์ •์„ ์ •๋ฆฌํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.์ €์ฒ˜๋Ÿผ AI์— ์ž…๋ฌธํ•˜์‹œ๋Š” ๋ถ„๋“ค๊ป˜ ์กฐ๊ธˆ์ด๋‚˜๋งˆ ๋„์›€์ด ๋˜์—ˆ์œผ๋ฉด ์ข‹๊ฒ ์Šต๋‹ˆ๋‹ค. IMDB ๋ฐ์ดํ„ฐ? IMDB ๋ฐ์ดํ„ฐ์…‹์€ ์Šคํƒ ํฌ๋“œ ๋Œ€ํ•™์—์„œ ๊ณต๊ฐœํ•œ ์˜ํ™” ๋ฆฌ๋ทฐ ๋ฐ์ดํ„ฐ๋กœ,๊ฐ ๋ฆฌ๋ทฐ์— ๊ธ์ •(1) ๋˜๋Š” ๋ถ€์ •(0) ๋ ˆ์ด๋ธ”์ด ๋ถ™์–ด ์žˆ์Šต๋‹ˆ๋‹ค.์ž์—ฐ์–ด ์ฒ˜๋ฆฌ ๋ถ„์•ผ์—์„œ ๊ฐ์ • ๋ถ„์„ ์‹ค์Šต์šฉ์œผ๋กœ ์ž์ฃผ ์‚ฌ์šฉ๋˜๋Š” ๋Œ€ํ‘œ์ ์ธ ๋ฐ์ดํ„ฐ์…‹์ž…๋‹ˆ๋‹ค. ๊ฐœ๋ฐœ ํ™˜๊ฒฝ ๋ฐ ..
ยท JAVA
https://school.programmers.co.kr/learn/courses/30/lessons/120909?language=java ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก์˜ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr class Solution { public int solution(int n) { int answer = 0; if (Math.sqrt(n)%1 == 0){ answer = 1; }else{ answer = 2; } return answer; }} Math.sqrt() ํ•จ์ˆ˜๋Š” ์ œ๊ณฑ๊ทผ์„ ๊ตฌํ•ด์ฃผ๋Š” ํ•จ์ˆ˜์ž…..
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