profile
Let's make something happen ๐Ÿ‘จ๐Ÿปโ€๐Ÿ’ป๐ŸŒฟ

Database Useful queries

ํŠน์ •ํ•œ ์ปฌ๋Ÿผ์ด ์žˆ๋Š” ํ…Œ์ด๋ธ” ์ฐพ์„ ๋•Œ ํ…Œ์ด๋ธ”์ด ์–ด๋–ป๊ฒŒ ์ƒ์„ฑ๋˜์—ˆ๋Š”์ง€ ์•Œ๊ณ  ์‹ถ์„ ๋•Œ

2019๋…„ 10์›” 7์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

React, Babel ๊ทธ๋ฆฌ๊ณ  Webpack ์„ค์ • ์ •๋ฆฌ

์ •๋ฆฌ name | description -|- babel | es5 -> es6 .babelrc | configuration + compiler @babel/core | es5 -> es6 @babel/preset-react | react preset @babel/preset-env | browser compiler babel-loader | -| web...

2019๋…„ 10์›” 3์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

Intellij DevTools Live Reloading ์ž๋™์œผ๋กœ ์‹คํ–‰๋˜์ง€ ์•Š์„ ๋•Œ

Spring DevTools ์‚ฌ์šฉ์‹œ staticํŒŒ์ผ(html, css, javascript) ๋“ฑ์˜ ํŒŒ์ผ๋“ค์„ ์ˆ˜์ •ํ–ˆ์„ ๋•Œ ์ž๋™์œผ๋กœ ๋ธŒ๋ผ์šฐ์ €์— ์ˆ˜์ •์‚ฌํ•ญ์ด ๋ณด์ด๊ฒŒ ํ•˜๋Š” ๊ธฐ๋Šฅ์„ ์ง€์›ํ•œ๋‹ค. https://www.mkyong.com/spring-boot/intellij-idea-spring-boot-template-reload-is-not-working/ ์ด ๋ฐฉ...

2019๋…„ 10์›” 2์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

[๋ฒˆ์—ญ] HAL - Hypertext Application Language

์ด ๊ธ€์€ Mike Kelly๊ฐ€ ์ž‘์„ฑํ•œ HAL - Hypertext Application Language๋ฅผ ๋ฒˆ์—ญํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. ๊ฐ€๋ฒผ์šด ํ•˜์ดํผ๋ฏธ๋””์–ด ํƒ€์ž… ์š”์•ฝ HAL์€ API ๋ฆฌ์†Œ์Šค ์‚ฌ์ด๋ฅผ ํ•˜์ดํผ๋งํฌ ์œ„ํ•œ ์‰ฝ๊ณ  ์ง€์†์ ์ธ ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•ด์ค€๋‹ค. HAL์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์€ API์„ ๊ฒ€์ƒ‰๊ฐ€๋Šฅํ•˜๊ฒŒ ๋งŒ๋“ค๊ณ , API ๋ฌธ์„œ๊ฐ€ API ๋‚ด์—์„œ ์‰ฝ๊ฒŒ ๊ฒ€์ƒ‰ํ•˜๊ฒŒ ๋งŒ๋“ค์–ด์ค€๋‹ค. ๊ฐ„๋‹จํžˆ...

2019๋…„ 9์›” 5์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

[๋ฒˆ์—ญ] Given When Then - martin fowler

์ด ๊ธ€์€ Martin Fowler์˜ GivenWhenThen ๋‚ด์šฉ์„ ๋ฒˆ์—ญํ•œ ๊ธ€ ์ž…๋‹ˆ๋‹ค. Given-When-Then์€ SpecificationByExample์„ ์‚ฌ์šฉํ•œ ์‹œ์Šคํ…œ ํ–‰๋™๋ฐฉ์‹์„ ๊ตฌ์ฒดํ™”ํ•œ ํ…Œ์ŠคํŠธ๋ฅผ ๋Œ€ํ‘œํ•˜๋Š” ์Šคํƒ€์ผ์ด๋‹ค. (์ด ๋ฐฉ๋ฒ•์„ ์˜นํ˜ธํ•˜๋Š” ์‚ฌ๋žŒ์ด ๊ทธ๋ ‡๊ฒŒ ๋งํ•˜๋Š” ๊ฒƒ์ผ ์ˆ˜๋„ ์žˆ๋‹ค) ์ด ๋ฐฉ๋ฒ•์€ Behavior-Driven Development (BDD...

2019๋…„ 9์›” 5์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

์ž๋ฐ” ๋””์ž์ธ ํŒจํ„ด

์ด ๊ธ€์€ ์ด์•ผ๊ธฐ's G๋‹˜์˜ ์ž๋ฐ” ๋””์ž์ธ ํŒจํ„ด ์ดํ•ด๋ฅผ ์ฐธ์กฐํ•˜์˜€์Šต๋‹ˆ๋‹ค. Builder ํŒจํ„ด ๋ณต์žกํ•œ ๋‹จ๊ณ„๋ฅผ ๊ฑฐ์ณ์•ผ ๋˜๋Š” ๊ฐ์ฒด์˜ ๊ตฌํ˜„(Computer)์„ ์„œ๋ธŒํด๋ž˜์Šค (Builder)์—๊ฒŒ ๋„˜๊ธฐ๋Š” ํŒจํ„ด ๋งŽ์€ ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง„ ๊ฐ์ฒด ์ƒ์„ฑ์„ ๊ฐ€๋…์„ฑ ๋†’์€ ์ฝ”๋“œ๋กœ ์ฝ”๋”ฉ > ์ปดํ“จํ„ฐ(computer)๋ฅผ ์กฐ๋ฆฝํ•˜๊ธฐ ์œ„ํ•ด ๋นˆ ์ปดํ“จํ„ฐ ๋ณธ์ฒด(Builder)๋ฅผ ์ค€๋น„ํ•˜๊ณ  ๋ณธ์ฒด ๋šœ๊ป‘์„ ์—ฐ ํ›„...

2019๋…„ 9์›” 5์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

์ž๋ฐ”์˜ enum

์ด ๊ธ€์€ GeeksforGeeks์˜ enum in Java๋ฅผ ์ฐธ์กฐํ•˜์—ฌ ์“ด ๊ธ€์ž…๋‹ˆ๋‹ค. Enumeration์€ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์–ธ์–ด์—์„œ ์ƒ์ˆ˜์˜ ๊ทธ๋ฃน์„ ๋‚˜ํƒ€๋‚ผ ๋•Œ ์‚ฌ์šฉํ•œ๋‹ค. Enum์€ ์ปดํŒŒ์ผ ๋‹น์‹œ ์šฐ๋ฆฌ๊ฐ€ ๋ชจ๋“  ๊ฐ€๋Šฅํ•œ ๊ฐ’์„ ์•Œ๊ณ ์žˆ๋Š” ๊ฒฝ์šฐ ์‚ฌ์šฉ๋œ๋‹ค. ํ•ญ์ƒ enum์•ˆ์˜ ์ƒ์ˆ˜๋Š” ํƒ€์ž…์ด ์ •ํ•ด์ ธ ์žˆ์–ด์•ผ ๋˜๋Š” ๊ฒƒ์€ ์•„๋‹ˆ๋‹ค. Java 1.5๋ฒ„์ „ ๋ถ€ํ„ฐ, enum์€ enum ๋ฐ์ดํ„ฐ...

2019๋…„ 9์›” 5์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

[๋ฒˆ์—ญ] Refs์™€ DOM

์ด ๊ธ€์€ React์˜ ๊ณต์‹์›น์‚ฌ์ดํŠธ์˜ Refs and the DOM์„ ๋ฒˆ์—ญํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. ๋งˆ์ง€๋ง‰์— ๊ฐ„๋‹จํ•˜๊ฒŒ ์ •๋ฆฌํ•ด๋†“์•˜์œผ๋‹ˆ ์ฐธ๊ณ ํ•˜์‹œ๊ธธ ๋ฐ”๋ž๋‹ˆ๋‹ค. Refs and the DOM Refs๋Š” DOM ๋…ธ๋“œ๋‚˜ render ๋ฉ”์†Œ๋“œ๋กœ ์ƒ์„ฑ๋œ React element์— ์ ‘๊ทผํ•˜๋Š” ๋ฐฉ์‹์„ ์ œ๊ณตํ•œ๋‹ค. ์ผ๋ฐ˜์ ์ธ React ๋ฐ์ดํ„ฐ ํ๋ฆ„์—์„œ, props๊ฐ€ ๋ถ€๋ชจ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์ž์‹ ์ปดํฌ...

2019๋…„ 9์›” 4์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

[๋ฒˆ์—ญ] ES6, babel ๊ทธ๋ฆฌ๊ณ  webpack์„ ์–ด๋–ป๊ฒŒ ์‚ฌ์šฉํ• ๊นŒ

์ด ๊ธ€์€ blog.jakoblind.no์˜ ๊ธ€ ์ค‘ How to use ES6 with Babel and webpack๋ฅผ ๋ฒˆ์—ญ/์š”์•ฝํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. webpack ๋ถ€๋ถ„๋งŒ ์ฐธ์กฐํ•˜์‹œ๋ ค๋ฉด ์ œ์ผ ๋งˆ์ง€๋ง‰ ์ฑ•ํ„ฐ์ธ webpack์—์„œ babel ๋ถ€๋ฅด๊ธฐ๋ฅผ ์ฐธ์กฐํ•˜์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค. ES6, babel ๊ทธ๋ฆฌ๊ณ  webpack์„ ์–ด๋–ป๊ฒŒ ์‚ฌ์šฉํ• ๊นŒ es6๋ฅผ ์‹œ์ž‘ํ•˜๋Š” ๊ฒƒ์€ ์‰ฝ์ง€๊ฐ€ ์•Š๋‹ค. ์ฝ”๋”ฉ...

2019๋…„ 9์›” 3์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

React webpack ๋ฐ‘๋ฐ”๋‹ฅ์—์„œ ๋ถ€ํ„ฐ ์„ค์ •ํ•ด๋ณด๊ธฐ

* ์ด ๊ธ€์€ React webpack from the scratch์˜ ์˜์ƒ๊ณผ ์ œ ๋‚˜๋ฆ„์˜ ์กฐ์‚ฌ๋ฅผ ํ†ตํ•ด ์ž‘์„ฑํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. > * ์›๋ณธ ์†Œ์Šค๋Š” ๋ฒ„์ „์ด ๋ฐ”๋€Œ๋ฉด์„œ ๋งŽ์ด ๋‹ค๋ฆ…๋‹ˆ๋‹ค. ์ฐธ์กฐํ•˜์‹ค ๋ถ„๋“ค์€ ์ €์˜ github์—์„œ ์†Œ์Šค์ฝ”๋“œ๋ฅผ ๋ฐ›์œผ์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 1. package.json package.json ์ƒ์„ฑ 2. react yarn์ผ ๊ฒฝ์šฐ react ๋ฆฌ์•กํŠธ ...

2019๋…„ 9์›” 3์ผ
ยท
3๊ฐœ์˜ ๋Œ“๊ธ€

[๋ฒˆ์—ญ] babel-preset-env๋Š” ๋ฌด์—‡์ด๊ณ  ์™œ ํ•„์š”ํ•œ๊ฐ€?

์ด ๊ธ€์€ blog.jakoblind.no์—์„œ ์ž‘์„ฑํ•œ What is babel-preset-env and why do I need it?์„ ๋ฒˆ์—ญ/์š”์•ฝํ•œ ๋‚ด์šฉ์ž…๋‹ˆ๋‹ค. ๋ชจ๋˜ javascript ํ”„๋กœ์ ํŠธ๋ฅผ ์‹œ์ž‘ํ•  ๋•Œ, babel์„ ์„ค์น˜ํ•˜๊ณ  babel-preset-env plugin ์„ค์ •์„ .babelrc์—์„œ ํ•˜์˜€์„ ๊ฒƒ์ด๋‹ค. ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ๋‚˜๋ฆ„ ๋™์ž‘์„ ์ž˜ ํ•œ๋‹ค. ...

2019๋…„ 9์›” 3์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

Javascript Design Pattern

joshua๋‹˜์˜ ๋ธ”๋กœ๊ทธ ๋‚ด์šฉ ์ค‘ ์ €์—๊ฒŒ ํ•„์š”ํ•œ ๋‚ด์šฉ๋งŒ ๊ณจ๋ผ์„œ ์ •๋ฆฌํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. ์ž์„ธํ•œ ๋‚ด์šฉ์€ joshua๋‹˜์˜ ๋ธ”๋กœ๊ทธ๋ฅผ ์ฐธ์กฐํ•˜์‹œ๊ธธ ๋ฐ”๋ž๋‹ˆ๋‹ค. ๊ฐ์ฒด ์ƒ์„ฑ ํŒจํ„ด 1. ๋„ค์ž„์ŠคํŽ˜์ด์Šค ํŒจํ„ด (Namespace Pattern) pros ์ „์—ญ๋ณ€์ˆ˜ ๊ฐœ์ˆ˜ ์ค„์ž„ ๋ณ€์ˆ˜๋ช… ๋ถˆํŽธํ•˜๊ฒŒ ๊ธธ์–ด์ง ๋ฐฉ์ง€ ์ „์—ญ ๋„ค์ž„์ŠคํŽ˜์ด์Šค ๊ฐ์ฒด๋Š” ํ”ํžˆ ๋Œ€๋ฌธ์ž cons ๋ชจ๋“  ๋ณ€์ˆ˜์™€ ํ•จ์ˆ˜์— ์ ‘๋‘์–ด ์ฝ”๋“œ๊ฐ€...

2019๋…„ 9์›” 3์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

ํ”„๋กœ์ ํŠธ DevOps

Front Back Dockerfile

2019๋…„ 9์›” 2์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

DevOps

WebServer nginx๋Š” centos ๋ฆฌํฌ์ง€ํ† ๋ฆฌ ์•ˆ์— ์—†์œผ๋ฏ€๋กœ EPEL ๋ฆฌํฌ์ง€ํ† ๋ฆฌ๋ฅผ ์„ค์น˜ ํ›„ nginx๋ฅผ ๋ฐ›์•„์™€์•ผ ํ•œ๋‹ค. WAS แ„‰แ…ณแ„แ…ณแ„…แ…ตแ†ซแ„‰แ…ฃแ†บ 2019-08-30 แ„‹แ…ฉแ„Œแ…ฅแ†ซ 10.07.43.png nginx.conf nginx.conf.default nginx nginx.conf ์„ค์น˜ ํ›„ nginx.conf๋ฅผ ๊ฑด๋“œ๋ฆฌ์ง€๋ง๊ณ  sites-...

2019๋…„ 8์›” 31์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

ํ”„๋กœ์ ํŠธ ์ง„ํ–‰ํ˜„ํ™ฉ

[2019-08-27] ๐ŸŒฅ Intellij CRUD JPA Docker Centos Java git Docker [2019-08-28] โ˜€๏ธ Notion Jira Confluence Jenkins ์šด์˜/๊ฐœ๋ฐœํ™˜๊ฒฝ ๋‚˜๋ˆ„๊ธฐ Springboot React MySQL DB ์—ฐ๋™ ์‚ฌ์šฉ์ž ์ •์˜ Exception Logger ๐Ÿ‘๐Ÿป kt d...

2019๋…„ 8์›” 28์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

[kt-ds-university] Springboot

static : ์ •์ ํŒŒ์ผ (html, css ..) template : ๋™์ ํŒŒ์ผ (jsp, thymeleaf ..) @SpringBootApplication = @SpringBootConfiguration + @ComponentScan + @EnableAutoConfiguration @ComponentScan : ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ์‹œ ์ •ํ•ด์ค€ default ํŒจ...

2019๋…„ 8์›” 27์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

ํ”„๋กœ์ ํŠธ FrontEnd

shortcuts ํ•œ์ค„ ์‚ญ์ œ : cmd + shift + k ํด๋”์— ํŒŒ์ผ ์ƒ์„ฑ : cmd + n ํŒŒ์ผ ์—ด๊ธฐ : cmd + p ->์›ํ•˜๋Š” ํŒŒ์ผ ๋ช… ํƒญ ๋ฐ”๊พธ๊ธฐ : ctrl + tab reate-react-app Structure แ„‰แ…ณแ„แ…ณแ„…แ…ตแ†ซแ„‰แ…ฃแ†บ 2019-08-23 แ„‹แ…ฉแ„Œแ…ฅแ†ซ 10.56.52.png ![แ„‰แ…ณแ„แ…ณแ„…แ…ตแ†ซแ„‰แ…ฃแ†บ 2019-08-23 แ„‹แ…ฉแ„Œแ…ฅแ†ซ...

2019๋…„ 8์›” 23์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

ํ”„๋กœ์ ํŠธ Backend

ํ™˜๊ฒฝ์„ค์ • profile ์„ค์ • ์ปค๋งจ๋“œ ๋ผ์ธ ์•„๊ทœ๋จผํŠธ์˜ ์šฐ์„ ์ˆœ์œ„(4๋“ฑ)๋ณด๋‹ค JAR ์•ˆ์— ์žˆ๋Š” application.properties์˜ ์šฐ์„ ์ˆœ์œ„(15๋“ฑ) ํ›จ์”ฌ ๋†’์•„์„œ ๋‚˜์ค‘์— ์ปค๋งจ๋“œ๋ผ์ธ์œผ๋กœ ํ™˜๊ฒฝ๋ณ€์ˆ˜๋“ค์„ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค. ๋กœ๊ทธ ์„ค์ • loggin.path = develop-logs ๋กœ๊ทธ๊ฐ€ ์ €์žฅ๋˜๋Š” ๊ฒฝ๋กœ. develop-logs๋ผ๋Š” ํŒŒ์ผ ์ด๋ฆ„์œผ๋กœ ๋กœ๊ทธ...

2019๋…„ 8์›” 21์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

2019๋…„ ํ•˜๋ฐ˜๊ธฐ ๊ณ„ํš

1. ์ƒ์‹œ ํ™•์ธ SLiPP ์Šคํ„ฐ๋”” ์ฃผ๋‹ˆ์–ด ๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ์ทจ์—… ์ •๋ณด 2018 ๊ฐœ๋ฐœ์ž ์ถ”์ฒœ ๋ธ”๋กœ๊ทธ 10์„  ํŽ˜์ด์Šค๋ถ ์ดˆ๋ณด ๊ฐœ๋ฐœ์ž ๋ชจ์ž„ 2. ์ปค๋ฎค๋‹ˆํ‹ฐ Medium 3. ๊ธฐ์ˆ  ๋ธ”๋กœ๊ทธ ๋„ค์ด๋ฒ„ ์นด์นด์˜ค ์šฐ์•„ํ•œํ˜•์ œ๋“ค [์‚ผ์„ฑSDS](https://www.sam

2019๋…„ 8์›” 18์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€

์ง€๊ธˆ๊นŒ์ง€์˜ ๊ฐ•์˜

Linux CommandLine Tutorial Dynamic Programming Java ์›น ๊ฐœ๋ฐœ ๊ธฐ์ˆ ๋ฉด์ ‘ ์šด์˜์ฒด์ œ ๊ฐ•์˜ Java API for websocket [๋ˆ„๊ตฌ๋“ ์ง€ ํ•˜๋Š” ๋ฆฌ์•กํŠธ](h

2019๋…„ 8์›” 18์ผ
ยท
0๊ฐœ์˜ ๋Œ“๊ธ€