๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋ถ„๋ฅ˜ ์ „์ฒด๋ณด๊ธฐ200

์นดํ…Œ๊ณ ๋ฆฌ ๋ณ„ ์ƒํ’ˆ ๊ฐœ์ˆ˜ ๊ตฌํ•˜๊ธฐ ๋ฌธ์ œ ์„ค๋ช…https://school.programmers.co.kr/learn/courses/30/lessons/131529 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr๋‹ค์Œ์€ ์–ด๋Š ์˜๋ฅ˜ ์‡ผํ•‘๋ชฐ์—์„œ ํŒ๋งค ์ค‘์ธ ์ƒํ’ˆ๋“ค์˜ ์ •๋ณด๋ฅผ ๋‹ด์€ PRODUCT ํ…Œ์ด๋ธ”์ž…๋‹ˆ๋‹ค. PRODUCT ํ…Œ์ด๋ธ”์€ ์•„๋ž˜์™€ ๊ฐ™์€ ๊ตฌ์กฐ๋กœ ๋˜์–ด์žˆ์œผ๋ฉฐ, PRODUCT_ID, PRODUCT_CODE, PRICE๋Š” ๊ฐ๊ฐ ์ƒํ’ˆ ID, ์ƒํ’ˆ์ฝ”๋“œ, ํŒ๋งค๊ฐ€๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. Column name Type Nullable PRODUCT_ID INTEGER FALSE PRODUCT_CODE VARCHAR(8) FALSE PRICE INTEGE.. 2024. 11. 8.
๋ฏธ๋‹ˆ ํ”„๋กœ์ ํŠธ_Day 4 ํ•˜๋ฃจ ์š”์•ฝ์˜ค๋Š˜์€ ๋ณธ์บ ํ”„ 4์ผ์ฐจ!! ๋‚ด์ผ์ด๋ฉด ๋“œ๋””์–ด ๋ฏธ๋‹ˆ ํ”„๋กœ์ ํŠธ์˜ ์ตœ์ข… ๋ฐœํ‘œ๋‹ค..ํ”„๋กœ์ ํŠธ๋ฅผ ์ง„ํ–‰ํ•˜๋Š” ๋™์•ˆ Github, HTML, CSS, Javascript.... ๊ทธ๋ฆฌ๊ณ  ํ˜‘์—…์„ ์ œ๋Œ€๋กœ ๊ฒฝํ—˜ํ•  ์ˆ˜ ์žˆ์—ˆ๋˜ ๊ฒƒ ๊ฐ™๋‹ค!์šฐ๋ฆฌ๊ฐ€ ๊ณ„ํšํ–ˆ๋˜ ๊ฒƒ๋ณด๋‹ค ๋” ๋ฉ‹์ง„ ๊ฒฐ๊ณผ๋ฌผ๋กœ ๋‚˜์˜จ ๊ฒƒ ๊ฐ™์•„์„œ ๋ฟŒ๋“ฏํ–ˆ๋‹ค.์˜ค๋Š˜์€ ๋‘ ๊ฐ€์ง€ ์—๋Ÿฌ๋ฅผ ํ•ด๊ฒฐํ–ˆ๋Š”๋ฐ,์ฒซ ๋ฒˆ์งธ๋กœ ํ•ด๊ฒฐํ•œ ์—๋Ÿฌ๋Š” openAPI๋ฅผ ์ด์šฉํ•ด์„œ ๋‚ ์”จ ์˜ˆ๋ณด๋ฅผ ๋ถˆ๋Ÿฌ์˜ค์ง€ ๋ชปํ•˜๋Š” ์ ์„ ํ•ด๊ฒฐํ–ˆ๋‹ค.Mixed Content: The page at 'https://hajoo0322.github.io/1week-project/' was loaded over HTTPS, but requested an insecure resource 'http://apis.data.go.kr/1360000/VilageFc.. 2024. 11. 8.
Java ์ž…๋ฌธ ๊ฐ•์˜_๋ฐฐ์—ด ๋ฐฐ์—ด ๋ฐฐ์—ด ์‹œ์ž‘๋ฐฐ์—ด์ด ํ•„์š”ํ•œ ์ด์œ ํ•™์ƒ์˜ ์ ์ˆ˜๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ๊ฐ„๋‹จํ•œ ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•ด ๋ณด์ž.Array1package array;public class Array1 { public static void main(String[] args) { int student1 = 90; int student2 = 80; int student3 = 70; int student4 = 60; int student5 = 50; int student6 = 40; System.out.println("ํ•™์ƒ 1 ์ ์ˆ˜ : " + student1); System.out.println("ํ•™์ƒ 2 ์ ์ˆ˜ : " + student2); .. 2024. 11. 7.
์ •์ˆ˜ ๋‚ด๋ฆผ์ฐจ์ˆœ์œผ๋กœ ๋ฐฐ์น˜ํ•˜๊ธฐ ๋ฌธ์ œ ์„ค๋ช… ํ•จ์ˆ˜ solution์€ ์ •์ˆ˜ n์„ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ž…๋ ฅ๋ฐ›์Šต๋‹ˆ๋‹ค. n์˜ ๊ฐ ์ž๋ฆฟ์ˆ˜๋ฅผ ํฐ ๊ฒƒ๋ถ€ํ„ฐ ์ž‘์€ ์ˆœ์œผ๋กœ ์ •๋ ฌํ•œ ์ƒˆ๋กœ์šด ์ •์ˆ˜๋ฅผ ๋ฆฌํ„ดํ•ด์ฃผ์„ธ์š”. ์˜ˆ๋ฅผ ๋“ค์–ด n์ด 118372๋ฉด 873211์„ ๋ฆฌํ„ดํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.https://school.programmers.co.kr/learn/courses/30/lessons/12933 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr์ œํ•œ ์‚ฌํ•ญn์€ 1 ์ด์ƒ 8,000,000,000 ์ดํ•˜์ธ ์ž์—ฐ์ˆ˜์ž…๋‹ˆ๋‹ค.์ž…์ถœ๋ ฅ ์˜ˆnreturn118372873211 ๋‚ด๊ฐ€ ์ž‘์„ฑํ•œ ์ฝ”๋“œimport java.util.*;class Solution { public long solution(lon.. 2024. 11. 7.
์ค‘์„ฑํ™” ์—ฌ๋ถ€ ํŒŒ์•…ํ•˜๊ธฐ ๋ฌธ์ œ ์„ค๋ช…ANIMAL_INS ํ…Œ์ด๋ธ”์€ ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋™๋ฌผ์˜ ์ •๋ณด๋ฅผ ๋‹ด์€ ํ…Œ์ด๋ธ”์ž…๋‹ˆ๋‹ค. ANIMAL_INS ํ…Œ์ด๋ธ” ๊ตฌ์กฐ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์œผ๋ฉฐ, ANIMAL_ID, ANIMAL_TYPE, DATETIME, INTAKE_CONDITION, NAME, SEX_UPON_INTAKE๋Š” ๊ฐ๊ฐ ๋™๋ฌผ์˜ ์•„์ด๋””, ์ƒ๋ฌผ ์ข…, ๋ณดํ˜ธ ์‹œ์ž‘์ผ, ๋ณดํ˜ธ ์‹œ์ž‘ ์‹œ ์ƒํƒœ, ์ด๋ฆ„, ์„ฑ๋ณ„ ๋ฐ ์ค‘์„ฑํ™” ์—ฌ๋ถ€๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.NAMETYPENULLABLE ANIMAL_ID VARCHAR(N) FALSE ANIMAL_TYPE VARCHAR(N) FALSE DATETIME DATETIME FALSE INTAKE_CONDITION VARCHAR(N) FALSE NAME VARCHAR(N) TRUE SEX_UPON_INTAKE .. 2024. 11. 7.
์กฐ๊ฑด์— ๋งž๋Š” ํšŒ์› ์ˆ˜ ๊ตฌํ•˜๊ธฐ ๋ฌธ์ œ ์„ค๋ช…๋‹ค์Œ์€ ์–ด๋Š ์˜๋ฅ˜ ์‡ผํ•‘๋ชฐ์— ๊ฐ€์ž…ํ•œ ํšŒ์› ์ •๋ณด๋ฅผ ๋‹ด์€ USER_INFO ํ…Œ์ด๋ธ”์ž…๋‹ˆ๋‹ค. USER_INFO ํ…Œ์ด๋ธ”์€ ์•„๋ž˜์™€ ๊ฐ™์€ ๊ตฌ์กฐ๋กœ ๋˜์–ด์žˆ์œผ๋ฉฐ USER_ID, GENDER, AGE, JOINED๋Š” ๊ฐ๊ฐ ํšŒ์› ID, ์„ฑ๋ณ„, ๋‚˜์ด, ๊ฐ€์ž…์ผ์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.Column nameTypeNullableUSER_ID INTEGER FALSE GENDER TINYINT(1) TRUE AGE INTEGER TRUE JOINED DATE FALSE GENDER ์ปฌ๋Ÿผ์€ ๋น„์–ด์žˆ๊ฑฐ๋‚˜ 0 ๋˜๋Š” 1์˜ ๊ฐ’์„ ๊ฐ€์ง€๋ฉฐ 0์ธ ๊ฒฝ์šฐ ๋‚จ์ž๋ฅผ, 1์ธ ๊ฒฝ์šฐ๋Š” ์—ฌ์ž๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. ๋ฌธ์ œ USER_INFO ํ…Œ์ด๋ธ”์—์„œ 2021๋…„์— ๊ฐ€์ž…ํ•œ ํšŒ์› ์ค‘ ๋‚˜์ด๊ฐ€ 20์„ธ ์ด์ƒ 29์„ธ ์ดํ•˜์ธ ํšŒ์›์ด ๋ช‡ ๋ช…์ธ์ง€ ์ถœ๋ ฅํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด ์ฃผ์„ธ.. 2024. 11. 7.