์ „์ฒด ๊ธ€ 427

HTTP( HyperText Transfer Protocol )

HTTP( HyperTextTransferProtocol, ์ดˆ๋ณธ๋ฌธ์ „์†ก๊ทœ์•ฝ, ํ•˜์ดํผ๋ณธ๋ฌธ์ „์†ก๊ทœ์•ฝ ) W3์ƒ์—์„œ ์ •๋ณด๋ฅผ ์ฃผ๊ณ ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š”ํ”„๋กœํ† ์ฝœ์ด๋‹ค. ์ฃผ๋กœHTML๋ฌธ์„œ๋ฅผ ์ฃผ๊ณ ๋ฐ›๋Š” ๋ฐ์— ์“ฐ์ธ๋‹ค. ์ฃผ๋กœTCP๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  HTTP/3 ๋ถ€ํ„ฐ๋Š”UDP๋ฅผ ์‚ฌ์šฉํ•˜๋ฉฐ, 80๋ฒˆ ํฌํŠธ๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค. 1996๋…„๋ฒ„์ „ 1.0, ๊ทธ๋ฆฌ๊ณ 1999๋…„1.1์ด ๊ฐ๊ฐ ๋ฐœํ‘œ๋˜์—ˆ๋‹ค. HTTP๋Š” ํด๋ผ์ด์–ธํŠธ์™€ ์„œ๋ฒ„ ์‚ฌ์ด์— ์ด๋ฃจ์–ด์ง€๋Š” ์š”์ฒญ/์‘๋‹ต(request/response) ํ”„๋กœํ† ์ฝœ์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค๋ฉด, ํด๋ผ์ด์–ธํŠธ์ธ ์›น ๋ธŒ๋ผ์šฐ์ €๊ฐ€ HTTP๋ฅผ ํ†ตํ•˜์—ฌ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ ์›นํŽ˜์ด์ง€(HTML)๋‚˜ ๊ทธ๋ฆผ ์ •๋ณด๋ฅผ ์š”์ฒญํ•˜๋ฉด, ์„œ๋ฒ„๋Š” ์ด ์š”์ฒญ์— ์‘๋‹ตํ•˜์—ฌ ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ํ•ด๋‹น ์‚ฌ์šฉ์ž์—๊ฒŒ ์ „๋‹ฌํ•˜๊ฒŒ ๋œ๋‹ค. ์ด ์ •๋ณด๊ฐ€ ๋ชจ๋‹ˆํ„ฐ์™€ ๊ฐ™์€ ์ถœ๋ ฅ ์žฅ์น˜๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ์ž์—๊ฒŒ ๋‚˜ํƒ€๋‚˜๋Š” ๊ฒƒ์ด๋‹ค. HTTP๋ฅผ ํ†ตํ•ด ..

ComputerScience/Web 2021.07.01

[Oracle] ์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ” ์‚ญ์ œํ•˜๊ธฐ

[์˜ค๋ผํด์—์„œ BIN$๋กœ ์‹œ์ž‘ํ•˜๋Š” ํ…Œ์ด๋ธ” ์‚ญ์ œํ•˜๊ธฐ] ์•„๋ž˜ ๋ฐฉ๋ฒ•์œผ๋กœ ํ…Œ์ด๋ธ”์„ ์‚ญ์ œํ–ˆ์„ ๊ฒฝ์šฐ BIN$๋กœ ์‹œ์ž‘ํ•˜๋Š” ์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ”์ด ์ƒ์„ฑ๋œ๋‹ค --์ผ๋ฐ˜ ํ…Œ์ด๋ธ” ์‚ญ์ œํ•˜๊ธฐ DROP TABEL ํ…Œ์ด๋ธ”๋ช… ์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ”์€ ์•„๋ž˜ SQL๋กœ ์ง€์šธ ์ˆ˜ ์žˆ๋‹ค --์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ” ์‚ญ์ œํ•˜๊ธฐ PURGE RECYCLEBIN ์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ”์ด ์ƒ์„ฑ๋˜์ง€ ์•Š๊ฒŒ ์‚ญ์ œํ•˜๋Š”๋ฒ• --์“ฐ๋ ˆ๊ธฐ ํ…Œ์ด๋ธ” ์ƒ๊ธฐ์ง€ ์•Š๊ฒŒ ์‚ญ์ œํ•˜๊ธฐ DROP TABEL ํ…Œ์ด๋ธ”๋ช… PURGE

Dev_Tip/Oracle_Tip 2021.06.25

[MyBatis] java.sql.SQLException: ๋ถ€์ ํ•ฉํ•œ ์—ด ์œ ํ˜•: 1111

[์—๋Ÿฌ ๋กœ๊ทธ] Cause: org.apache.ibatis.type.TypeException: Error setting null for parameter #1 with JdbcType OTHER. Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: java.sql.SQLException: ๋ถ€์ ํ•ฉํ•œ ์—ด ์œ ํ˜•: 1111 [๊ตฌ๊ธ€๋ฒˆ์—ญ] ์›์ธ : org.apache.ibatis.type.TypeException : JdbcType OTHER๋กœ ํŒŒ๋ผ๋ฏธํ„ฐ # 1์— ๋Œ€ํ•ด null ์„ค์ • ์˜ค๋ฅ˜. ์ด ๋งค๊ฐœ ๋ณ€์ˆ˜์— ๋Œ€ํ•ด ๋‹ค๋ฅธ JdbcType์„ ์„ค์ •ํ•˜๊ฑฐ๋‚˜ ๋‹ค๋ฅธ jdbcTypeF..

Dev_Log 2021.06.23

[Chrome] Mixed Content: The site at was loaded over a secure connection

[์—๋Ÿฌ ๋กœ๊ทธ] Mixed Content: The site at '๋‹ค์šด๋กœ๋“œ ์š”์ฒญ์„ ์‹œ๋„ํ•œ url' was loaded over a secure connection, but the file at 'ํ•ด๋‹น ๋‹ค์šด๋กœ๋“œurl' was redirected through an insecure connection. This file should be served over HTTPS. This download has been blocked. See https://blog.chromium.org/2020/02/protecting-users-from-insecure.html for more details. [๊ตฌ๊ธ€ ๋ฒˆ์—ญ] ํ˜ผํ•ฉ ๋‚ด์šฉ : '๋‹ค์šด๋กœ๋“œ ์š”์ฒญ์„ ์‹œ๋„ํ•œ URL'์˜ ์‚ฌ์ดํŠธ๋Š” ๋ณด์•ˆ ์—ฐ๊ฒฐ์„ ํ†ตํ•ด๋กœ๋“œ๋˜์—ˆ์ง€๋งŒ ํŒŒ์ผ์€ 'ํ•ด๋‹น ๋‹ค์šด๋กœ..

Dev_Log 2021.06.19

[Maven] Missing artifact oracle:ojdbc6:jar:11.2.0.3

Missing artifact oracle:ojdbc6:jar:11.2.0.3 [์—๋Ÿฌ ๋ฐœ์ƒ ์ƒํ™ฉ] -pom.xml์— ojdbc6 dependency๋ฅผ ์ถ”๊ฐ€์ค‘์— ์—๋Ÿฌ ๋ฐœ์ƒ โœ” Solution ๊ตฌ๊ธ€๋ง์„ ํ•œ๋‹ค Oracle JDBC ojdbc6 Jar as a Maven Dependency I cannot seem to get Maven to bundle the ojdbc6.jar file into my project's war file. I have it working within the POM file when specifying a dependency directly for Hibernate tools. But it won't ... stackoverflow.com ์œ„ ์Šคํƒ์˜ค๋ฒ„ํ”Œ๋กœ์šฐ ํŽ˜์ด์ง€์— ๊ฐ€๋ณด๋ฉด pom..

Dev_Log 2021.06.17

[JS] 0.JavaScript

JavaScript๋ž€? ํ”„๋กœ๊ทธ๋ž˜๋ฐ ํŒจ๋Ÿฌ๋‹ค์ž„ : ์Šคํฌ๋ฆฝํŠธ ์–ธ์–ด, ๊ฐ์ฒด ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ(ํ”„๋กœํ† ํƒ€์ž… ๊ธฐ๋ฐ˜ ํ”„๋กœ๊ทธ๋ž˜๋ฐ), ๋ช…๋ นํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ, ํ•จ์ˆ˜ํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ, ์‚ฌ๊ฑด ๊ธฐ๋ฐ˜ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์„ค๊ณ„์ž : ๋ธŒ๋ Œ๋˜ ์•„์ดํฌ ๊ฐœ๋ฐœ์ž : ๋„ท์Šค์ผ€์ดํ”„,๋ชจ์งˆ๋ผ ์žฌ๋‹จ,Ecma ์ธํ„ฐ๋‚ด์…”๋„ ๋ฐœํ‘œ์ผ : 1995๋…„12์›” 4์ผ ์ตœ๊ทผ ๋ฒ„์ „ : ECMAScript 2020 ์ตœ๊ทผ ๋ฒ„์ „ ์ถœ์‹œ์ผ : 2020๋…„ 6์›” ํŒŒ์ผ ํ™•์žฅ์ž : .js / .mjs ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ( JavaScript )๋Š” ๊ฐ์ฒด ๊ธฐ๋ฐ˜์˜ ์Šคํฌ๋ฆฝํŠธ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด์ด๋‹ค. ์ด ์–ธ์–ด๋Š” ์›น ๋ธŒ๋ผ์šฐ์ € ๋‚ด์—์„œ ์ฃผ๋กœ ์‚ฌ์šฉํ•˜๋ฉฐ, ๋‹ค๋ฅธ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์˜ ๋‚ด์žฅ ๊ฐ์ฒด์—๋„ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ์„ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค. ๋˜ํ•œ Node.js์™€ ๊ฐ™์€ ๋Ÿฐํƒ€์ž„ ํ™˜๊ฒฝ๊ณผ ๊ฐ™์ด ์„œ๋ฒ„ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์—๋„ ์‚ฌ์šฉ๋˜๊ณ  ์žˆ๋‹ค. ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋Š” ๋ณธ๋ž˜ ๋„ท์Šค์ผ€..

[CSS] 0.CSS?

CSS?์ข…์†ํ˜• ์‹œํŠธ ๋˜๋Š” ์บ์Šค์ผ€์ด๋”ฉ ์Šคํƒ€์ผ ์‹œํŠธ( Cascading Style Sheets, CSS)๋Š”๋งˆํฌ์—… ์–ธ์–ด๊ฐ€ ์‹ค์ œ ํ‘œ์‹œ๋˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ธฐ์ˆ ํ•˜๋Š” ์–ธ์–ด๋กœ,HTML๊ณผ XHTML์— ์ฃผ๋กœ ์“ฐ์ด๋ฉฐ, XML์—์„œ๋„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.W3C์˜ ํ‘œ์ค€์ด๋ฉฐ, ๋ ˆ์ด์•„์›ƒ๊ณผ ์Šคํƒ€์ผ์„ ์ •์˜ํ•  ๋•Œ์˜ ์ž์œ ๋„๊ฐ€ ๋†’๋‹ค.๋งˆํฌ์—… ์–ธ์–ด(ex: HTML)๊ฐ€ ์›น์‚ฌ์ดํŠธ์˜ ๋ชธ์ฒด๋ฅผ ๋‹ด๋‹นํ•œ๋‹ค๋ฉดCSS๋Š” ์˜ท๊ณผ ์•ก์„ธ์„œ๋ฆฌ์ฒ˜๋Ÿผ ๊พธ๋ฏธ๋Š” ์—ญํ• ์„ ๋‹ด๋‹นํ•œ๋‹ค๊ณ  ํ•  ์ˆ˜ ์žˆ๋‹ค.์ฆ‰, HTML ๊ตฌ์กฐ๋Š” ๊ทธ๋Œ€๋กœ ๋‘๊ณ CSSํŒŒ์ผ๋งŒ ๋ณ€๊ฒฝํ•ด๋„ ์ „ํ˜€ ๋‹ค๋ฅธ ์›น์‚ฌ์ดํŠธ์ฒ˜๋Ÿผ ๊พธ๋ฐ€ ์ˆ˜ ์žˆ๋‹ค.ํ˜„์žฌ ๊ฐœ๋ฐœ ์ค‘์ธ CSS3์˜ ๊ฒฝ์šฐ ๊ทธ๋ฆผ์ž ํšจ๊ณผ, ๊ทธ๋ผ๋ฐ์ด์…˜, ๋ณ€ํ˜• ๋“ฑ๊ทธ๋ž˜ํ”ฝ ํŽธ์ง‘ ํ”„๋กœ๊ทธ๋žจ์œผ๋กœ ์ œ์ž‘ํ•œ ์ด๋ฏธ์ง€๋ฅผ ๋Œ€์ฒดํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ์ด ์ถ”๊ฐ€๋˜์—ˆ๋‹ค.๋˜ํ•œ ๋‹ค์–‘ํ•œ ์• ๋‹ˆ๋ฉ”์ด์…˜ ๊ธฐ๋Šฅ์ด ์ถ”๊ฐ€๋˜์–ด ์–ด๋„๋น„ ํ”Œ๋ž˜์‹œ๋ฅผ ์–ด๋Š ์ •๋„ ๋Œ€์ฒด..

UX_UI_Study/CSS 2021.06.09

[Eclipse] Javaํ”„๋กœ์ ํŠธ jar๋กœ ์ƒ์„ฑํ›„ ์‹คํ–‰ํ•˜๊ธฐ

1. ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์ž‘์„ฑ // jar์‹คํ–‰ ํ…Œ์ŠคํŠธ // jar ์‹คํ–‰์‹œ ๋‘๊ฐ€์ง€ ์ธ์ž๋ฅผ ๋ฐ›์•„ ์ถœ๋ ฅํ•ด๋ณด์ž public class JarTest { public static void main(String[] args) { System.out.println("# JarํŒŒ์ผ ์‹คํ–‰ ํ…Œ์ŠคํŠธ"); System.out.println("์ฒซ๋ฒˆ์งธ ์ธ์ž : " + args[0] ); System.out.println("๋‘๋ฒˆ์งธ ์ธ์ž : " + args[1] ); } } 2. File → Export... 3. Export → Runnable JAR File ์„ ํƒํ›„ → Nextํด๋ฆญ 4. Runnable → Browse... ํด๋ฆญํ›„ jar์ €์žฅ๊ฒฝ๋กœ ์„ ํƒ → Finishํด๋ฆญ 5. ๋‚˜๋Š” jarํŒŒ์ผ์„ c๋“œ๋ผ์ด๋ธŒ ์ตœ์ƒ์œ„์— ๋‘์—ˆ๋‹ค cmd๋ฅผ ์‹คํ–‰ํ›„ ..

Dev_Tool/Eclipse 2021.06.09

2021-06-05(ํ† )_ํ—ฌ์Šค

์ˆœ์„œ ์ข…๋ฅ˜ ์„ธํŠธ 1 ํŠธ๋ ˆ๋“œ๋ฐ€ (1๋ถ„ ๋›ฐ๊ธฐ + 1๋ถ„ ๊ฑท๊ธฐ = 1set) 5set 2 ํ’€์—… 5set 3 ํ”Œ๋žซ ๋ฒค์น˜ ํ”„๋ ˆ์Šค 5set 4 ๋”ฅ์Šค 5set 5 ์ฒด์ŠคํŠธ ํ”„๋ ˆ์Šค 5set 6 ํŒฉํ† ๋Ÿด ํ”Œ๋ผ์ด 5set 7 ์ผ€์ด๋ธ” ํ”„๋ ˆ์Šค ๋‹ค์šด 5set 8 ๋ฐ”๋ฒจ ์ปฌ 5set 9 ๋ฒค์น˜ ๋”ฅ์Šค 5set 10 ์‹œํ‹ฐ๋“œ ๋‹ˆ์—… 5set

Hobby/Exercise 2021.06.05
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