์ „์ฒด ๊ธ€ 427

[HTML] 1.HTML DOM ( Document Object Model )

โœ” DOM์ด๋ž€? ( Document Object Model ) - DOM์€ W3C ( World Wide Web Consortium ) ํ‘œ์ค€์ž…๋‹ˆ๋‹ค. - DOM์€ ๋ฌธ์„œ์— ์•ก์„ธ์Šคํ•˜๊ธฐ์œ„ํ•œ ํ‘œ์ค€์„ ์ •์˜ํ•ฉ๋‹ˆ๋‹ค. - DOM์€ ํ”„๋กœ๊ทธ๋žจ๊ณผ ์Šคํฌ๋ฆฝํŠธ๊ฐ€ ๋ฌธ์„œ์˜ ์ฝ˜ํ…์ธ , ๊ตฌ์กฐ ๋ฐ ์Šคํƒ€์ผ์— ๋™์ ์œผ๋กœ ์•ก์„ธ์Šคํ•˜๊ณ  ์—…๋ฐ์ดํŠธ ํ•  ์ˆ˜ ์žˆ๋„๋กํ•˜๋Š” ํ”Œ๋žซํผ ๋ฐ ์–ธ์–ด ์ค‘๋ฆฝ์  ์ธํ„ฐํŽ˜์ด์Šค์ž…๋‹ˆ๋‹ค. - ์›น ํŽ˜์ด์ง€๊ฐ€ ๋กœ๋“œ ๋  ๋•Œ, ๋ธŒ๋ผ์šฐ์ €๊ฐ€ ํ•ด๋‹น ํŽ˜์ด์ง€์˜ DOM ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค. โœ” HTML DOM์ด๋ž€? - HTML DOM์€ HTML ์š”์†Œ๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , ๋ณ€๊ฒฝํ•˜๊ณ , ์ถ”๊ฐ€ ๋˜๋Š” ์‚ญ์ œํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ํ‘œ์ค€์ž…๋‹ˆ๋‹ค. - HTML DOM์€ HTML์„์œ„ํ•œ ํ‘œ์ค€ ๊ฐœ์ฒด ๋ชจ๋ธ ๋ฐ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์ธํ„ฐํŽ˜์ด์Šค ์ž…๋‹ˆ๋‹ค. ๋‹ค์Œ์„ ์ •์˜ํ•ฉ๋‹ˆ๋‹ค. โ—พ ๊ฐœ์ฒด ๋กœ์„œ์˜ HTML ์š”์†Œ โ—พ ๋ชจ๋“ ..

Dev_Study/HTML 2021.05.29

[HTML] 0. HTML( HyperText Markup Language )?

HTML( HyperText Markup Language )๊ฐœ๋ฐœ์ž : W3C ์™€ WHATWG ์ตœ๊ทผ ๋ฒ„์ „ : HTML5.2 ์ตœ๊ทผ ๋ฒ„์ „ ์ถœ์‹œ์ผ : 2017๋…„ 12์›” 17์ผ ๋ฏธ๋ฆฌ๋ณด๊ธฐ ๋ฒ„์ „ : HTML 5.3 (์ดˆ์•ˆ) ๋ฏธ๋ฆฌ๋ณด๊ธฐ ๋ฒ„์ „ ์ถœ์‹œ์ผ : 2018๋…„ 10์›” 18์ผ ์›น์‚ฌ์ดํŠธ : http://www.w3.org/ ์ฃผ์š” ๊ตฌํ˜„์ฒด : TEXT/HTML ์˜ํ–ฅ์„ ๋ฐ›์€ ์–ธ์–ด : SGML ์˜ํ–ฅ์„ ์ค€ ์–ธ์–ด : XHTML ํ•˜์ดํผํ…์ŠคํŠธ ๋งˆํฌ์—… ์–ธ์–ด(HyperText Markup Language,HTML, ๋ฌธํ™”์–ด:์ดˆ๋ณธ๋ฌธํ‘œ์‹๋‹ฌ๊ธฐ์–ธ์–ด, ํ•˜์ดํผ๋ณธ๋ฌธํ‘œ์‹๋‹ฌ๊ธฐ์–ธ์–ด)๋Š” ์›น ํŽ˜์ด์ง€๋ฅผ ์œ„ํ•œ ์ง€๋ฐฐ์ ์ธ๋งˆํฌ์—… ์–ธ์–ด๋‹ค. ๋˜ํ•œ, HTML์€ ์ œ๋ชฉ, ๋‹จ๋ฝ, ๋ชฉ๋ก ๋“ฑ๊ณผ ๊ฐ™์€ ๋ณธ๋ฌธ์„ ์œ„ํ•œ ๊ตฌ์กฐ์  ์˜๋ฏธ๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” ๊ฒƒ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋งํฌ, ์ธ์šฉ๊ณผ ๊ทธ ๋ฐ–์˜ ํ•ญ๋ชฉ์œผ๋กœ๊ตฌ์กฐ์ ..

Dev_Study/HTML 2021.05.29

2021-05-28(๊ธˆ)_ํ—ฌ์Šค

์ˆœ์„œ ์ข…๋ฅ˜ ์„ธํŠธ 1 ํŠธ๋ ˆ๋“œ๋ฐ€ (1๋ถ„ ๋›ฐ๊ธฐ + 1๋ถ„ ๊ฑท๊ธฐ = 1set) 5set 2 ํ’€์—… 5set 3 ๋ ˆ๊ทธ ์ปฌ 5set 4 ๋ ˆ๊ทธ ์ต์Šคํ…์…˜ 5set 5 ๋ ˆ๊ทธ ํ”„๋ ˆ์Šค 5set 6 ์Šค์ฟผํŠธ 5set 7 ๋ ˆ๊ทธ ์–ด๋•์…˜ 5set 8 ์‹œํ‹ฐ๋“œ ๋‹ˆ์—… 5set

Hobby/Exercise 2021.05.28

2021-05-27(๋ชฉ)_ํ—ฌ์Šค

์ˆœ์„œ ์ข…๋ฅ˜ ์„ธํŠธ 1 ํŠธ๋ ˆ๋“œ๋ฐ€ (1๋ถ„ ๋›ฐ๊ธฐ + 1๋ถ„ ๊ฑท๊ธฐ = 1set) 5set 2 ํ’€์—… 5set 3 ๋ ˆ๊ทธ ์ปฌ 10set 4 ๋ ˆ๊ทธ ์ต์Šคํ…์…˜ 10set 5 ๋ ˆ๊ทธ ํ”„๋ ˆ์Šค 5set 6 ์Šค์ฟผํŠธ 5set 7 ๋ฐ”๋ฒจ ์ปฌ 5set 8 ์ผ€์ด๋ธ” ํ”„๋ ˆ์Šค ๋‹ค์šด 5set 9 ์‹œํ‹ฐ๋“œ ๋‹ˆ์—… 5set

Hobby/Exercise 2021.05.27

[English-Cake] ๋ง›์„ ํ‘œํ˜„ํ•˜๊ธฐ

1. My mouth is watering. ๊ตฐ์นจ์ด ๋„๋„ค์š”. watering [wษ”ฬ:tษ™riล‹,wษ‘ฬt-] [๋ช…์‚ฌ] 1.์‚ด์ˆ˜(ๆ’’ๆฐด), ๊ด€์ˆ˜(็Œๆฐด) 2. ๋ฐฐ์ˆ˜๊ตฌ(๊ฐ€ ์žˆ๋Š” ๋Šช) [ํ˜•์šฉ์‚ฌ] ์‚ด์ˆ˜์šฉ์˜, ๊ด€์ˆ˜์šฉ์˜ 2. It has a very rich flavor to it. ๋ง›์ด ๋งค์šฐ ํ’๋ถ€ํ•ด์š”. flavor [ fléivษ™r ] [๋ช…์‚ฌ] 1. (๋…ํŠนํ•œ) ํ’๋ฏธ, ํ–ฅ๋ฏธ, ๋ง› 2. ๋ฉ‹, ์šด์น˜, ์ •์ทจ [ํƒ€๋™์‚ฌ] 1. (...๋กœ) ํ’๋ฏธ[ํ–ฅ๊ธฐ]๋ฅผ ๋”ํ•˜๋‹ค, ๋ง›์„ ๋‚ด๋‹ค 2. (…๋กœ) ๋ฉ‹์„ ๋”ํ•˜๋‹ค 3. It tastes hearty. ๋“ ๋“ ํ•œ ๋ง›์ด์—์š”. tastes [teษชst] [๋ช…์‚ฌ] 1. ๋ง› 2. ๋ฏธ๊ฐ, ์ž…๋ง› [๋™์‚ฌ] 1. ๋ง›์ด …ํ•˜๋‹ค, … ๋ง›์ด ๋‚˜๋‹ค 2. ๋ง›์ด …ํ•œ, …ํ•œ ๋ง›์ด ๋‚˜๋Š” 4. This flavor is in..

Basic_Study/English 2021.05.26

2021-05-26(์ˆ˜)_ํ—ฌ์Šค

์ˆœ์„œ ์ข…๋ฅ˜ ์„ธํŠธ 1 ํŠธ๋ ˆ๋“œ๋ฐ€ (1๋ถ„ ๋›ฐ๊ธฐ + 1๋ถ„ ๊ฑท๊ธฐ = 1set) 5set 2 ํ’€์—… 5set 3 ๋ฐ๋“œ๋ฆฌํ”„ํŠธ 10set 4 ๋ฐ”๋ฒจ ๋กœ์šฐ 5set 5 ์‹œํ‹ฐ๋“œ ๋กœ์šฐ 5set 6 ๋žซ ํ’€ ๋‹ค์šด 5set 7 ๋ฐ”๋ฒจ ์ปฌ 5set 8 ํ•ด๋จธ ์ปฌ 5set 9 ์‹œํ‹ฐ๋“œ ๋‹ˆ์—… 5set

Hobby/Exercise 2021.05.26

[Java] javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted. Learn more at535 5.7.8

javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted. Learn more at 535 5.7.8 -Java๋กœ Gmail๋ฐœ์†ก์ค‘์— ๋ฐœ์ƒํ•œ ์—๋Ÿฌ โœ” Solution ์•„๋ž˜ํŽ˜์ด์ง€ ์ ‘์†ํ›„ ๋กœ๊ทธ์ธ - Google ๊ณ„์ • ํ•˜๋‚˜์˜ ๊ณ„์ •์œผ๋กœ ๋ชจ๋“  Google ์„œ๋น„์Šค๋ฅผ Google ๊ณ„์ •์œผ๋กœ ๋กœ๊ทธ์ธ accounts.google.com [๋ณด์•ˆ์ˆ˜์ค€์ด ๋‚ฎ์€์•ฑ ํ—ˆ์šฉ]์„ ์‚ฌ์šฉ์œผ๋กœ ๋ณ€๊ฒฝํ•ด์ค€๋‹ค

Dev_Log 2021.05.25

2021-05-25(ํ™”)_ํ—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 ์ธํด๋ผ์ธ ๋ฒค์น˜ํ”„๋ ˆ์Šค 5set 6 ์ฒด์ŠคํŠธ ํ”„๋ ˆ์Šค 5set 7 ํŒฉํ† ๋Ÿด ํ”Œ๋ผ์ด 5set 8 ์ผ€์ด๋ธ” ํ”„๋ ˆ์Šค ๋‹ค์šด 5set 9 ๋ฐ”๋ฒจ ์ปฌ 5set 1 ๋ฒค์น˜ ๋”ฅ์Šค 5set 11 ์‹œํ‹ฐ๋“œ ๋‹ˆ์—… 5set

Hobby/Exercise 2021.05.25

[Oracle] ์‹œํ€€์Šค ์ดˆ๊ธฐํ™”

์‹œํ€€์Šค ์ดˆ๊ธฐํ™”ํ•˜๊ธฐ --1.ํ˜„์žฌ ์‹œํ€€์Šค๊ฐ’ ํ™•์ธ SELECT LAST_NUMBER FROM USER_SEQUENCES WHERE SEQUENCE_NAME = '์‹œํ€€์Šค๋ช…' --2.ํ˜„์žฌ ์‹œํ€€์Šค์˜ INCREMENT๋ฅผ ํ˜„์žฌ ๊ฐ’ ๋งŒํผ ์ฐจ๊ฐ ALTER SEQUENCE ์‹œํ€€์Šค๋ช… INCREMENT BY -ํ˜„์žฌ์‹œํ€€์Šค; ex) : 1๋ฒˆ ์ˆ˜ํ–‰ํ›„ ํ™•์ธ๊ฒฐ๊ณผ ํ˜„์žฌ์‹œํ€€์Šค๊ฐ€ 10์ผ๋•Œ ALTER SEQUENCE ์‹œํ€€์Šค๋ช… INCREMENT BY -10; --3.์‹œํ€€์Šค์˜ ๋‹ค์Œ ๊ฐ’ ์‹คํ–‰ SELECT ์‹œํ€€์Šค๋ช….NEXTVAL FROM DUAL --4.ํ˜„์žฌ์‹œํ€€์Šค๊ฐ’ ์กฐํšŒ SELECT ์‹œํ€€์Šค๋ช….CURRVAL FROM DUAL --5. ์‹œํ€€์Šค์˜ INCREMENT ๋ฅผ 1๋กœ ์„ค์ • ALTER SEQUENCE ์‹œํ€€์Šค๋ช… INCREMENT BY 1;

Dev_Tip/Oracle_Tip 2021.05.24

[Oracle] ORA-01000: maximum open cursors exceeded

ORA-01000: maximum open cursors exceeded โœ” Solution ์ตœ๋Œ€ ์—ด๋ฆฐ ์ปค์„œ๋ฅผ ์ดˆ๊ณผํ–ˆ์Šต๋‹ˆ๋‹ค.๋ผ๊ณ  ํ•œ๋‹ค DB์ž‘์—…ํ›„ PreparedStatement๋ฅผ close() ํ•ด์ค€๋‹ค PreparedStatement pstmt = null; try{ /* * PreparedStatement๋ฅผ ์‚ฌ์šฉํ•œ DB์ž‘์—… */ }catch( Exception e ){ e.printStackTrace(); }finally{ // finally๋ฌธ์„ ์ด์šฉํ•ด ํ•ญ์ƒ pstmt๋ฅผ ๋‹ซ์•„์ฃผ๋„๋ก ํ•œ๋‹ค try { if ( pstmt != null) pstmt.close(); } catch (SQLException se) { se.printStackTrace(); } }

Dev_Log 2021.05.24
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