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์ „์ฒด ๊ธ€ 1376

[js] Dropzone ๋™์ผํ•œ ํŒŒ์ผ์„ ๋‘ ๊ฐœ์˜ API์— ์ „์†ก

Dropzone.js๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํŒŒ์ผ์„ ์—…๋กœ๋“œํ•  ๋•Œ, ๋™์ผํ•œ ํŒŒ์ผ์„ ๋‘ ๊ฐœ์˜ API์— ์ „์†กํ•˜๋Š” ๊ฒƒ์€ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.์ด๋ฅผ ๊ตฌํ˜„ํ•˜๋ ค๋ฉด Dropzone์˜ ์ด๋ฒคํŠธ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ํŒŒ์ผ ์—…๋กœ๋“œ๋ฅผ ์ปค์Šคํ„ฐ๋งˆ์ด์ง•ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.์•„๋ž˜๋Š” ๊ธฐ๋ณธ์ ์ธ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ๊ตฌํ˜„ ๋ฐฉ๋ฒ•Dropzone ์„ค์ •: Dropzone ์ธ์Šคํ„ด์Šค๋ฅผ ์ƒ์„ฑํ•  ๋•Œ ํŒŒ์ผ ์—…๋กœ๋“œ ๋™์ž‘์„ ์ˆ˜์ •ํ•ฉ๋‹ˆ๋‹ค.๋‘ API๋กœ ํŒŒ์ผ ์ „์†ก: success ๋˜๋Š” addedfile ์ด๋ฒคํŠธ ํ•ธ๋“ค๋Ÿฌ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํŒŒ์ผ์ด ์ถ”๊ฐ€๋˜์—ˆ์„ ๋•Œ ๋‹ค๋ฅธ API๋กœ๋„ ์ „์†กํ•ฉ๋‹ˆ๋‹ค.

Front/JS & jQuery 2024.12.15

[DB] GROUP_CONCAT

GROUP_CONCAT([DISTINCT] column_name [ORDER BY column_name ASC|DESC] [SEPARATOR 'separator'])์˜ต์…˜ ์„ค๋ช…DISTINCT๊ณต์šฉํ™”๋œ ๊ฐ’์€ ์ œ๊ฑฐ๋˜๊ณ  ๊ณ ์œ ํ•œ ๊ฐ’๋งŒ ์—ฐ๊ฒฐ๋ฉ๋‹ˆ๋‹ค.์˜ˆ:GROUP_CONCAT(DISTINCT column_name)ORDER BY์—ฐ๊ฒฐ๋œ ์ปค๋„ฅํ„ฐ์˜ ๊ด€๊ณ„๋ฅผ ์•Œ๋ ค๋“œ๋ฆฝ๋‹ˆ๋‹ค.์˜ˆ:GROUP_CONCAT(column_name ORDER BY column_name DESC)SEPARATOR์—ฐ๊ฒฐ๋œ ๋ฐ์ดํ„ฐ ์‚ฌ์ด์— ๊ตฌ๋ถ„์„ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์€ ํœด์‹ํ‘œ( ,)์ž…๋‹ˆ๋‹ค.์˜ˆ:GROUP_CONCAT(column_name SEPARATOR '|')  ๊ธฐ๋ณธ ์‚ฌ์šฉ SELECT GROUP_CONCAT(name) AS namesFROM employees;๊ฒฐ๊ณผ :H..

DB 2024.12.14

[JAVA] endsWith

// ๋งˆ์ง€๋ง‰ ์ฝค๋งˆ ์ œ๊ฑฐString custNmList = custNmBuilder.toString();if (custNmList.endsWith(", ")) { custNmList = custNmList.substring(0, custNmList.length() - 2);} String.endsWith(String suffix)๋Š” Java์˜ String ํด๋ž˜์Šค์—์„œ ์ œ๊ณตํ•˜๋Š” ๋ฉ”์„œ๋“œ๋กœ,ํŠน์ • ๋ฌธ์ž์—ด์ด ์ฃผ์–ด์ง„ ์ ‘๋ฏธ์‚ฌ(suffix)๋กœ ๋๋‚˜๋Š”์ง€ ํ™•์ธํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.๋ฐ˜ํ™˜ ๊ฐ’์€ boolean์ด๋ฉฐ, true ๋˜๋Š” **false**๋ฅผ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. boolean result = str.endsWith(suffix);  str: ๋์„ ํ™•์ธํ•  ๋ฌธ์ž์—ด์ž…๋‹ˆ๋‹ค.suffix: str์˜ ๋์—์„œ ์ผ์น˜ ์—ฌ๋ถ€๋ฅผ ๊ฒ€์‚ฌํ•  ๋Œ€์ƒ ๋ฌธ์ž์—ด์ž…..

JAVA 2024.12.12

[JAVA] ์ œ๋„ค๋ฆญ์œ ํ˜•์œผ๋กœ ํŒŒ๋ผ๋ฏธํ„ฐ๋ฅผ ๋ฐ›์•„์™”์„ ๋•Œ ๋‹ค์šด์บ์ŠคํŒ… ํ•˜๋Š” ์ด์œ 

protected List> getAttFiles(T param) throws SQLExceptionparam๋ฐ”๋กœ ์‚ฌ์šฉํ•˜๋ฉด param.getCrCd()ํ˜ธ์ถœํ•  ์ˆ˜ ์—†๋Š” ์ด์œ ๋Š” param์ด ์ œ๋„ค๋ฆญ ์œ ํ˜• T์œผ๋กœ ์„ ์–ธ์„ ์‹œ์ž‘ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋‹ค์šด์บ์ŠคํŒ…์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค :ReqEcrdCreateDTO์— ์ •์˜๋œ ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•˜๋ ค๋ฉด,param์„ ๋ฐด๋“œํ˜•์ธ ReqEcrdCreateDTO๋กœ ๋ณ€ํ™˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด ์ฝ”๋“œ ReqEcrdCreateDTO createParams = (ReqEcrdCreateDTO) param;๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ด์œ ์ž…๋‹ˆ๋‹ค.

JAVA 2024.12.11

[js] every()

Array.prototype.every()๋ฐฐ์—ด์˜ ๋ชจ๋“  ์š”์†Œ ๊ฐ€ ์‘๋‹ต์„ ๋งŒ์กฑํ•˜๋Š”์ง€ ํ™•์ธํ•˜๋Š” ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.๋ชจ๋“  ์š”์†Œ๊ฐ€ ๋งŒ์กฑ์Šค๋Ÿฝ๋‹ค๋ฉด true๋งŒ์กฑํ•˜๊ณ , ํ•˜๋‚˜๋ผ๋„ ๋งŒ์กฑํ•˜์ง€ ์•Š์„ false๊ฒƒ์„ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค.๋ฐฐ์—ด์˜ ์š”์†Œ๋“ค์ด ํŠน์ • ์กฐ๊ฑด์„ ํ™•์ธํ•˜๋Š”์ง€ ์ „์ฒด์ ์œผ๋กœ ๊ฒ€ํ† ํ•  ๋•Œ ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค. const numbers = [2, 4, 6, 7];// some()์€ ํ•˜๋‚˜๋ผ๋„ ์กฐ๊ฑด์„ ๋งŒ์กฑํ•˜๋ฉด trueconst hasEven = numbers.some(num => num % 2 === 0); // true// every()๋Š” ๋ชจ๋“  ์š”์†Œ๊ฐ€ ์กฐ๊ฑด์„ ๋งŒ์กฑํ•ด์•ผ trueconst allEven = numbers.every(num => num % 2 === 0); // false

Front/JS & jQuery 2024.12.09

[js] ์žฌ๊ท€ํ•จ์ˆ˜๋กœ ๋ฐฐ์—ด ํ‰ํƒ„ํ™” 2

์ด ๋ฐฉ์‹์€ while๋ฃจํ”„์™€ Array.prototype.some() ๋ฐฉ๋ฒ•์„ ๊ฒฐํ•ฉํ•˜์—ฌ ๋ฐฐ์—ด์„ ํ‰ํƒ„ํ™”function flatten(arr) { while (arr.some(el => Array.isArray(el))) { arr = [].concat(...arr); } return arr;}let nestedArray = [1, [2, 3], [4, [5, 6]]];let flatArray = flatten(nestedArray);console.log(flatArray);// [1, 2, 3, 4, 5, 6] Array.prototype.some():๋ฐฐ์—ด ์š”์†Œ ์ค‘ ํ•˜๋‚˜๋ผ๋„ ์กฐ๊ฑด( Array.isArray(el))์„ ๋งŒ์กฑํ•˜๋ฉด true๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค.์ฆ‰, ํ˜„์žฌ ๋ฐฐ์—ด์—์„œ ๋ฐฐ์—ด์ด ํ™•์ธ๋˜๋Š”์ง€ ..

Front/JS & jQuery 2024.12.08

[js] ์žฌ๊ท€ํ•จ์ˆ˜๋กœ ๋ฐฐ์—ด ํ‰ํƒ„ํ™”

function flattenArray(array) { let result = []; array.forEach(element => { if (Array.isArray(element)) { // ์žฌ๊ท€ ํ˜ธ์ถœ๋กœ ์ค‘์ฒฉ๋œ ๋ฐฐ์—ด์„ ์ฒ˜๋ฆฌ result = result.concat(flattenArray(element)); } else { // ๋ฐฐ์—ด์ด ์•„๋‹ˆ๋ฉด ๊ฒฐ๊ณผ ๋ฐฐ์—ด์— ์ถ”๊ฐ€ result.push(element); } }); return result;}// ์‚ฌ์šฉ ์˜ˆ์ œlet nestedArray = [1, [2, 3], [4, [5, 6]]];let flatArray = flat..

Front/JS & jQuery 2024.12.07
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