์ „์ฒด ๊ธ€

๐Ÿ’ป Back-End Developer ๐Ÿ’ป ๊ธธ๊ฐ€๋‹ค ๋งŒ๋‚œ ์—๋Ÿฌ์™€ ์–ด๋ ค์› ๋˜ ์ ์„ ๊ธฐ๋กํ•˜๋Š” ๊ณณ์ž…๋‹ˆใ„ทใ… โ˜†*: .๏ฝก. o(โ‰งโ–ฝโ‰ฆ)o .๏ฝก.:*โ˜†
ํ•œ๊ธ€ ๊นจ์ง ํ˜„์ƒ์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด 1. IntelliJ IDEA - settings 2. Editor - File Encodings Global Encoding, Project Encoding : UTF-8 ์„ค์ • ํ†ฐ์บฃ ์ธ์ฝ”๋”ฉ 1. tomcat - Edit 2. VM options: ์— '-Dfile.encoding=UTF-8' ์ถ”๊ฐ€
ํ•œ๊ธ€ ๋ฐ์ดํ„ฐ๋ฅผ ์ถœ๋ ฅํ•ด์•ผ ํ•˜๋Š”๋ฐ ์ œ๋Œ€๋กœ ํ•œ๊ธ€ ๋ฐ์ดํ„ฐ๊ฐ€ ์ถœ๋ ฅ์ด ๋˜์ง€ ์•Š๋Š”๋‹ค๋ฉด, response.setContentType("text/html;charset=UTF-8"); ํ•ด๋‹น ์ฝ”๋“œ ๋ฐ˜์˜ํ•˜๊ธฐ
ํ™˜๊ฒฝ : intellij ์—๋Ÿฌ : 405 ์ด์Šˆ : html์—์„œ ์ž…๋ ฅํ•œ ๊ฐ’์„ ์ „๋‹ฌ๋ฐ›์•„ 'FortuneTeller.java' ์„œ๋ธ”๋ฆฟ์œผ๋กœ ๊ฐ’์ด ์ „๋‹ฌ๋˜์–ด ๋‚˜ํƒ€๋‚˜์•ผ ํ•˜๋Š”๋ฐ 405 ์—๋Ÿฌ ๋‚˜ํƒ€๋‚จ ํ•ด๊ฒฐ : 'FortuneTeller.java' ํŒŒ์ผ ๋‚ด doget -> dopost๋กœ ๋ณ€๊ฒฝ [๊ธฐ์กด ์ฝ”๋“œ] package com.example.servlet04; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletR..
ํ™˜๊ฒฝ : intellij ์—๋Ÿฌ : 404 ์ด์Šˆ : java ํŒŒ์ผ servlet ์—ฐ๊ฒฐ ์ž˜ ๋˜๋‚˜, html ํŒŒ์ผ์€ ์—ฐ๊ฒฐ๋˜์ง€ ์•Š๊ณ  ์œ„์˜ ์—๋Ÿฌ ๋‚˜ํƒ€๋‚จ ํ•ด๊ฒฐ : html ํŒŒ์ผ ์œ„์น˜ ๋ณ€๊ฒฝ [๊ธฐ์กด ์œ„์น˜] webapp > WEB-INF [๋ณ€๊ฒฝ ์œ„์น˜] webapp ์›์ธ : ๊ฒฝ๋กœ ์ž˜๋ชป ์„ค์ •
ยท[Etc]
[์ปจํ…Œ์ด๋„ˆ ์ค‘์ง€] ์•„๋ž˜ 'Quit Docker Desktop' ํด๋ฆญ ํ›„ ์ข…๋ฃŒ ํ™•์ธ [์ปจํ…Œ์ด๋„ˆ ์žฌ์‹คํ–‰] docker ์ ‘์† ํ›„ Actions ๋ฐ‘ ์‹คํ–‰ ์•„์ด์ฝ˜ ๋ˆ„๋ฅด๊ธฐ [์ž๋™ ์‹คํ–‰ ์„ค์ •] Settings ์ ‘์† ํ›„ General - 'Start Docker Desktop when you log in' ์ฒดํฌ ๋ฐ•์Šค ํด๋ฆญ - Apply & restart ๋ฒ„ํŠผ ํด๋ฆญ
[์ตœ๋ฒ”๊ท ์˜ JSP2.3 ์›นํ”„๋กœ๊ทธ๋ž˜๋ฐ ๊ธฐ์ดˆ๋ถ€ํ„ฐ ์ค‘๊ธ‰๊นŒ์ง€] 45p 1. [ํ†ฐ์บฃํด๋”]/webapps/chap02 ํด๋” ์ƒ์„ฑ 2. chap02ํด๋” ๋‚ด time.jsp ํŒŒ์ผ ์ž‘์„ฑ ํ›„ ์ €์žฅ https://github.com/madvirus/jsp23/blob/master/webapps/chap02/time.jsp ์œ„ ์ฝ”๋“œ ๋‹ค์šด๋กœ๋“œ ํ›„ ์ €์žฅํ•ด์ฃผ์—ˆ๋‹ค. 3. ํ†ฐ์บฃ ์‹คํ–‰ terminal ์ ‘์† ํ›„ ํ†ฐ์บฃ ๊ฒฝ๋กœ ์ž…๋ ฅ cd /Users/soheepark/Documents/apache-tomcat-9.0.80/bin /* ํŒŒ์ผ ๊ฒฝ๋กœ & ํ†ฐ์บฃ ๋ฒ„์ „ ํ™•์ธํ•  ๊ฒƒ */ cd (ํŒŒ์ผ ๊ฒฝ๋กœ)/apache-tomcat-(๋ฒ„์ „)/bin ํ†ฐ์บฃ ์‹คํ–‰ ./startup.sh 4. ์›น ๋ธŒ๋ผ์šฐ์ € - http://localhost:8080/chap02/t..
ยท[Etc]
MacOS Intel ํ™˜๊ฒฝ, ํ†ฐ์บฃ ์„ค์น˜ 1. ํ†ฐ์บฃ ์„ค์น˜ ํ›„ ์••์ถ•ํ•ด์ œ tomcat.apache.org/ Apache Tomcat® - Welcome! The Apache Tomcat® software is an open source implementation of the Jakarta Servlet, Jakarta Server Pages, Jakarta Expression Language, Jakarta WebSocket, Jakarta Annotations and Jakarta Authentication specifications. These specifications are part of the tomcat.apache.org ์—ฌ๊ธฐ์—์„œ 9.0.80 ๋ฒ„์ „ ์„ค์น˜ํ–ˆ์Œ 2. ํ†ฐ์บฃ ์‹คํ–‰ (terminal) 2-..
ยท[Etc]
1. STS ๊ฒ€์ƒ‰ brew search springtoolsuite 2. STS ์„ค์น˜ brew install --cask springtoolsuite 3. ์„ค์น˜ ํ™•์ธ brew list ์›๋ž˜ ๋ชฉ์ ์€ String3์„ ์„ค์น˜ํ•˜๋Š”๊ฑฐ์˜€๋Š”๋ฐ, SpringToolSuite4๊ฐ€ ์„ค์น˜๋˜์—ˆ๋‹ค. 3์„ ์„ค์น˜ํ•˜๋ ค๋ฉด ์ดํด๋ฆฝ์Šค๋ฅผ 2020๋…„ 12์›” ๋ฒ„์ „์œผ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ด์„œ STS3์„ ์„ค์น˜ํ•ด์•ผํ•œ๋‹ค๋Š”๋ฐ ํ•ด๋ด์•ผ๊ฒ ๋‹ค.. ๊ฒฐ๊ตญ ์ธํ…”๋ฆฌ์ œ์ด๋ฅผ ์„ค์น˜ํ•˜๊ธด ํ–ˆ์Œ
scanner๋ฅผ ์“ฐ๋‹ค๊ฐ€ ์ œ๋ชฉ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒ๋˜์—ˆ๋‹ค. ์‹คํ–‰์—” ๋ฌธ์ œ๊ฐ€ ์—†์ง€๋งŒ ์ฐ์ฐํ•˜๋‹ˆ ํ•ด๊ฒฐํ•ด์ฃผ๋„๋ก ํ•˜์ž. package practice; import java.util.Scanner; public class a์™€b์ถœ๋ ฅํ•˜๊ธฐ { public static void main(String[] args) { Scanner sc = new Scanner(System.in); //์ด ๋ถ€๋ถ„์˜ 'sc'์—์„œ ํ•ด๋‹น ์—๋Ÿฌ ๋ฐœ์ƒํ•จ while(true) { int a = sc.nextInt(); int b = sc.nextInt(); if((-100000
ยท[Etc]
ํ™˜๊ฒฝ : MAC OS intel 1. Home brew ์‚ฌ์ดํŠธ ์ ‘์† https://brew.sh/ Homebrew The Missing Package Manager for macOS (or Linux). brew.sh ๋ผ์ด์–ธ์ด ๊ฐ€๋ฆฌํ‚ค๊ณ  ์žˆ๋Š” ์ € ๋ณต์‚ฌ ๋ฒ„ํŠผ ํด๋ฆญ 2. ํ„ฐ๋ฏธ๋„ ์ ‘์† 1) MAC ํ„ฐ๋ฏธ๋„ ์ ‘์† 2) ๋ณต์‚ฌํ•œ ๋งํฌ ๋ถ™์—ฌ๋„ฃ๊ธฐ ํ›„ ์—”ํ„ฐ 3) MAC ๋น„๋ฐ€๋ฒˆํ˜ธ ์ž…๋ ฅ 4) 'downloaded command line tools for xcode' ๋ช…๋ น์–ด ๋œจ๋ฉด xcode ๋‹ค์šด๋ฐ›๊ธฐ (3๋ฒˆ ์ฐธ๊ณ ) 5) Next steps์—์„œ Home brew Path ์ถ”๊ฐ€ํ•˜๋ผ๋Š” ๋ช…๋ น์–ด ๋œจ๋ฉด ๊ทธ๋Œ€๋กœ ๋ณต์‚ฌํ•ด์„œ ๋ถ™์—ฌ๋„ฃ๊ธฐํ•˜๊ณ  ์—”ํ„ฐ echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> (...์ดํ•˜ ..
ยท[Etc]
1. ์„ค์ • - ์ผ๋ฐ˜ - ์ •๋ณด 2. ๋ช‡ ๋น„ํŠธ์ธ์ง€ ํ™•์ธ 2-1. ํ”„๋กœ์„ธ์„œ ์ด๋ฆ„์œผ๋กœ ํŒ๋‹จ ํ”„๋กœ์„ธ์„œ ์ด๋ฆ„ bit Intel Core Solo 32bit Intel Core Duo 32bit Intel Quad-Core Xeon 64bit Dual-Core Intel Xeon 64bit Quad-Core Intel Xeon 64bit Core i3 64bit Core i5 64bit Core i7 64bit 2-2. ํ„ฐ๋ฏธ๋„์—์„œ ํ™•์ธ uname -a ์šฐ์ธก x86_64 ์—์„œ 64bit์ž„์„ ์•Œ ์ˆ˜ ์žˆ์Œ
ยท[Language]/SQL
Error: (HTTP code 500) server error - driver failed programming external connectivity on endpoint oracle11g-test (a17631976eaa0cc57c3dc55694d7e69bf60bc3222185fb18258244cc2d8e51f8): Bind for 0.0.0.0:1521 failed: port is already allocated Error: (HTTP code 500) server error [์›์ธ] ๋…ธํŠธ๋ถ ๊ฐ•์ œ ์ข…๋ฃŒ ์›์ธ์˜ docker ๋น„์ •์ƒ์  ์ข…๋ฃŒ ์ดํ›„ port ์ถฉ๋Œ ํ•ด๊ฒฐ 1. docker ์ด๋ฏธ์ง€ ์‚ญ์ œ ๋‹ค ๋ฐ€์–ด๋ฒ„๋ฆฌ๊ณ  ๋‹ค์‹œ ์‚ญ์ œํ•˜๋Š” ๋ฐฉ์‹ ์ฑ„ํƒ, ๋„์ปค ์ด๋ฏธ์ง€ ์šฐ์ธก delete๋กœ ์‚ญ์ œ 2. terminal > ๋ช…๋ น..
soheepark
๊นกํŒจํ† ๋ผ