๋ถ„๋ฅ˜ ์ „์ฒด๋ณด๊ธฐ

    [python] ํฌ๋กค๋ง์— ํ•„์š”ํ•œ ํ•จ์ˆ˜ : filter, lambda, map

    [python] ํฌ๋กค๋ง์— ํ•„์š”ํ•œ ํ•จ์ˆ˜ : filter, lambda, map

    ๋ฐ์ดํ„ฐํ”„๋ ˆ์ž„์„ ๋งŒ๋“ค๊ฒฝ์šฐ, ํ–‰์˜ ์ˆ˜๊ฐ€ ์„œ๋กœ ๋งž์•„์•ผ ์›ํ•˜๋Š” ๊ตฌ์กฐ๋ฅผ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋‹ค. ํ•˜์ง€๋งŒ, ์€๊ทผํžˆ ํŒŒ์‹ฑํ•˜๋‹ค๋ณด๋ฉด, ๊ณต๋ฐฑ์ด ์žˆ์–ด์„œ, ๋ฆฌ์ŠคํŠธ์˜ ๊ธธ์ด๊ฐ€ ๋‚ด๊ฐ€ ์˜ˆ์ƒํ•œ ์ˆซ์ž์ธ 30์ด ์•„๋‹Œ 60์ด ๊ณ„์† ๋‚˜์™”๋Š”๋ฐ, ์ด๋Ÿด๋•Œ ๊ฐ€์žฅ ๋งŽ์ด ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๋ฐ”๋กœ filter ๋ผ๋Š” ํ•จ์ˆ˜๊ฐ€ ์žˆ๋‹ค. ๊ธฐ๋ณธ ๋‚ด์žฅ ํ•จ์ˆ˜์—ฌ์„œ ๋ฐ”๋กœ ์‚ฌ์šฉ์ด ๊ฐ€๋Šฅํ•˜๋Š” ํฐ ์žฅ์ ์ด ์žˆ๋‹ค. ์ฐธ๊ณ ๋กœ lambda ์™€ map๋„ ๋ฐ”๋กœ ์‚ฌ์šฉ์ด ๊ฐ€๋Šฅํ•˜๋‹ค filter ['', '๊ธฐ์•„ K5 3์„ธ๋Œ€ 2.0 LPI ๋ Œํ„ฐ์นด ์Šคํƒ ๋‹ค๋“œ', '', 'ํ˜„๋Œ€ ๋” ๋‰ด ๊ทธ๋žœ์ € 3.0 LPi ๋ Œํ„ฐ์นด ํ”„๋ฆฌ๋ฏธ์—„', '', '๊ธฐ์•„ K5 3์„ธ๋Œ€ 1.6 ๊ฐ€์†”๋ฆฐ ์‹œ๊ทธ๋‹ˆ์ฒ˜', '', '๊ธฐ์•„ The SUV ์Šคํฌํ‹ฐ์ง€ 2.0 ๊ฐ€์†”๋ฆฐ 2WD ๋…ธ๋ธ”๋ ˆ์Šค', '', '๊ธฐ์•„ K5 3์„ธ๋Œ€ 2.0 LPI ๋ Œํ„ฐ์นด ์Šคํƒ ๋‹ค๋“œ', '', '..

    python ์ฝ”๋“œ ์‹œ๊ฐ„ ๊ณ„์‚ฐ

    python ์ฝ”๋“œ ์‹œ๊ฐ„ ๊ณ„์‚ฐ

    ์‹œ๊ฐ„์ธก์ • ์ด์˜๊ฒŒ ํ•˜๋Š” ๋ฐฉ๋ฒ• import math import time import datetime start = time.time() math.factorial(12345678910) end = time.time() sec = (end - start) result = datetime.timedelta(seconds=sec) print(result) result_list = str(datetime.timedelta(seconds=sec)).split(".") print(result_list[0])

    Kernel died with exit code 1073741845 ์—๋Ÿฌ

    Kernel died with exit code 1073741845 ์—๋Ÿฌ

    ์ฃผ๋กœ VSCODE๋ฅผ ํ™œ์šฉํ•œ๋‹ค ์ฃผํ”ผํ„ฐ ๋…ธํŠธ๋ถ ์ธํ„ฐํŽ˜์ด์Šค๋ณด๋‹ค๋Š” jupyter notebook extention์„ ํ™œ์šฉํ•ด์„œ ๋ฐ์ดํ„ฐ ๋ถ„์„์„ ํ•˜๋Š”๊ฒŒ ์ต์ˆ™ํ•˜๋‹ค. ํ•˜์ง€๋งŒ ์ž˜ ์“ฐ๋‹ค๊ฐ€, ๋…ธํŠธ๋ถ์—์„œ ์“ฐ๋Š”๊ฑธ ๋ฐ์Šคํฌํƒ‘ ํฐ ํ™”๋ฉด์—์„œ ๋ณด๊ณ  ์‹ถ์–ด์„œ, ๋ฒ„์ „์„ ๋™์ผ์‹œ ํ•˜๋ ค๊ณ  ์•„๋‚˜์ฝ˜๋‹ค ํ”„๋กฌํ”„ํŠธ์ฐฝ์—์„œ python 3.8.8 ๋ฒ„์ „์„ ๋‹ค์šด๋ฐ›๊ณ , vscode๋ฅผ ์‹คํ–‰ํ•˜๋‹ˆ๊น ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค. 1์ฐจ ๋ฉ˜๋ถ„. "Kernel died with exit code 1073741845" ์—๋Ÿฌ๊ฐ€ ๋œจ๋ฉด์„œ ์ปค๋„์ด ์•ˆ ์—ด๋ฆฌ๋Š” ๊ฒƒ์ด์—ˆ๋‹ค. ์ค‘๊ฐ„์— kernel exit ์—๋Ÿฌ๋„ ๋–ณ๋‹ค. ์•„๋ฌด๋ฆฌ ์ € ํ‚ค์›Œ๋“œ๋กœ ์ฐพ์•„๋ณด๊ณ  ์žฌ์„ค์น˜๋ฅผ ํ•ด๋ด๋„ ๊ณ ์น  ์ˆ˜๊ฐ€ ์—†์—ˆ๋‹ค . ๊ทธ๋Ÿฐ๋ฐ ์—๋Ÿฌ์ฝ”๋“œ๊ฐ€ ๋‹ฌ๋ผ์ ธ์„œ ๋‹ฌ๋ผ์ง„ ์ฝ”๋“œ๋กœ ๊ฒ€์ƒ‰ํ•ด๋ณด๊ณ  ์ •๋‹ต์„ ์ฐพ์•˜๋‹ค. jupyter lab๊ณผ์˜ ์ถฉ๋Œ ๋•Œ๋ฌธ์ด์—ˆ๋‹ค! ๊ทธ๋ž˜์„œ ๋‹ค์Œ๊ณผ..

    selenium.webdriver.common.keys

    Selenium library: ์›น ํฌ๋กค๋ง ํ•„์ˆ˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ Keys ๋ชจ๋“ˆ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• ํ‚ค๋ณด๋“œ์˜ ํ‚ค๋ฅผ ์ปดํ“จํ„ฐ์— ์ „๋‹ฌํ•˜๊ธฐ ์œ„ํ•ด์„œ ์‚ฌ์šฉํ•จ send_keys( ์ž…๋ ฅํ•  ํ‚ค) from selenium.webdriver.common.keys import Keys ์ž…๋ ฅํ•  ํ‚ค ๋ชฉ๋ก:์ž…๋ ฅํ•  ํ‚ค Kyes.ENTER, Keys.ARROW_DOWN, Keys.ARROW_LEFT, Keys.ARROW_RIGHT, Keys.ARROW_UP, Keys.BACK_SPACE, Keys.CONTROL, Keys.ALT, Keys.DELETE, Keys.TAB, Keys.SPACE, Keys.SHIFT, Keys.EQUALS, Keys.ESCAPE, Keys.HOME, Keys.INSERT, Keys.PAGE_UP, Keys.PAGE_..

    [python] crawling customizing

    [python] crawling customizing

    ํŒŒ์ด์„  ํฌ๋กค๋ง ์ „๋ฐ˜์ ์ธ ์ฝ”๋“œ / ํŠน์ง• ์›น ๋ธŒ๋ผ์šฐ์ €๋ฅผ ๋ณด์ง€ ์•Š๊ณ  ํฌ๋กค๋งํ•˜๋Š” ๋ฐฉ์‹ 2๋ฒˆ์จฐ ํƒญ์œผ๋กœ ์ƒˆ์ฐฝ์œผ๋กœ ์ƒ์„ฑ ๋ธ”๋žญํฌ ์Šคํฌ๋ž˜ํ•‘์„ ์ „๋ฌธ์œผ๋กœ ํ•˜๋Š” ๋ชจ๋“ˆ ์ƒ์„ฑ ํ•˜๋‚˜๋Š” ๋นˆ์ฐฝ์ด๊ณ , ํ•˜๋‚˜๋Š” ํƒ€๊ฒŸ์ฐฝ URL๋กœ ์Šคํฌ๋ž˜ํ•‘ํ• ๋•Œ ๊ด„ํ˜ธ๊ฐ€ ์žˆ์œผ๋ฉด ์ผ๋ถ€๋ถ„๋งŒ ์งค๋ผ์„œ / ํŠน์ • ์ˆซ์ž*์ „์ฒด์ˆ˜๋งŒ ๊ฐ€์ ธ์˜ค๋Š” ๊ฒฝ์šฐ XPATH F TYPE ์œผ๋กœ ํ•ด๋‹น URL๋ฐ˜๋ณต ๋„ค์ด๋ฒ„ ๋กœ๊ทธ์ธ ๋ฐฉ๋ฒ• 2๊ฐ€์ง€ ๋น„๊ต 1. send keys() ๋กœ ๊ฐ€๋Š” ๋ฐฉ๋ฒ• driver.implicitly_wait(3) driver.get('https://nid.naver.com/nidlogin.login') # ์•„์ด๋””/๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅํ•ด์ค€๋‹ค. driver.find_element_by_name('id').send_keys('naver_id') driver.find_element_by_name(..

    [git/  source tree] ํ—ˆ์ ‘ํ•œ ์‚ฌ์šฉ๋ฒ•

    [git/ source tree] ํ—ˆ์ ‘ํ•œ ์‚ฌ์šฉ๋ฒ•

    1. source tree https://ux.stories.pe.kr/181 Git GUI ์†Œ์ŠคํŠธ๋ฆฌ(SourceTree) ์„ค์น˜๋ฐฉ๋ฒ•๊ณผ ์‚ฌ์šฉ๋ฐฉ๋ฒ• ๋ฉ‹์ฐ ๊ฐœ๋ฐœ์ž ๊ฐ™์€ ๊ฒฝ์šฐ ๊ฒ€์ • ํ™”๋ฉด์— ํ•˜์–€์ƒ‰ ๊ธ€์”จ๋กœ ํƒ€์ดํ•‘์„ ์น˜๋ฉฐ Git ๋ช…๋ น์–ด๋ฅผ ์‹คํ–‰์‹œํ‚ฌํ…๋ฐ์š”. ๊ทธ๊ฒŒ ๋ฉ‹์ง€๊ธด ํ•˜์ง€๋งŒ ํŽธํ•œ ํ˜•ํƒœ๋Š” ์•„๋‹™๋‹ˆ๋‹ค. Git์„ ์ข€๋” ํŽธํ•˜๊ฒŒ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” Git GUI(Graphic User ux.stories.pe.kr ์„ค์น˜ ์žฅ์†Œ : https://www.sourcetreeapp.com/ Sourcetree | Free Git GUI for Mac and Windows A Git GUI that offers a visual representation of your repositories. Sourcetree is a free Git cl..

    ์ž๋™์ฐจ ๊ฐ์„ฑ๋ถ„์„ ํ‚ค์›Œ๋“œ

    ์—์–ด์„œ์ŠคํŽœ์…˜ ์ „์šฉ ๋ชจ๋ธ ๊ธฐ์ˆ ์ ์ธ ๋‹จ์–ด----- ์—์–ด์„œ์ŠคํŽœ์…˜ ์ „์šฉ ๋ชจ๋ธ ํƒ„์†Œ์„ฌ์œ  CFRP ๋ฌด๊ฒŒ๋ฅผ ๋‚ฎ์ถ˜๋‹ค ์นด๋ณธํŒŒ์ด๋ฒ„ ์ง์กฐ ์นด๋ณธ ๋Œ€๋Ÿ‰ ์ƒ์‚ฐ ๊ฐ€๋ณ๋‹ค ํŠผํŠผํ•˜๋‹ค ๋“€์–ผ ๋ชจํ„ฐ ์‹ฑ๊ธ€ ๋ชจํ„ฐ ์‚ฌ๋ฅœ๊ตฌ๋™ ์‹œ์†100km ๊ฐ€์†์‹œ๊ฐ„ kWh ๋งˆ๋ ฅ ํ† ํฌ ์ถœ๋ ฅ ~๋ณด๋‹ค ๊ฐ•๋ ฅํ•˜๋‹ค ์ฐจ์ฒด ํฌ๊ธฐ ๊ฐ€์†๋ ฅ ์Šคํฌ์ธ ์นด ๋ฐฐํ„ฐ๋ฆฌ ์šฉ๋Ÿ‰ ์ฃผํ–‰๊ฐ€๋Šฅ๊ฑฐ๋ฆฌ ํœ ๋ฒ ์ด์Šค ํšŒ์ „ ๋ฐ˜๊ฒฝ ํ›„๋ฅœ์กฐํ–ฅ ๋ถ€ํ’ˆ ์—์–ด ์„œ์ŠคํŽœ์…˜ ์Šน์ฐจ๊ฐ ๊ฐ€๋ณ€๋Œํผ ์„œ์ŠคํŽœ์…˜ ์‹œ์Šน ์›Œ์…”์•ก ์™„์„ฑ๋„ ์ƒ์‚ฐ๋น„ ํ—ค์ผ๋กœ ์นด ์ถฉ์ „์†Œ ๋„‰๋„‰ํ•˜๋‹ค ์ถฉ์ „ la ๋ชจํ„ฐ์‡ผ ์•ฐ๋ธ”๋Ÿผ ๋””์ง€ํ„ธ ์‚ฌ์ด๋“œ ๋ฏธ๋Ÿฌ ํŒ์—…์‹ / ํŠ€์–ด๋‚˜์˜ด / ์ ‘์„ ์ˆ˜ ์žˆ์Œ ์ž์œจ์ฃผํ–‰ ์•ž๋ฌธ ๋’ท๋ฌธ ์ฝ”์น˜๋„์–ด ์—์–ด ํ”Œ๋žฉ ์™ธ๊ด€ ์ปฌ๋Ÿฌ earth's ionosphere ์ฒœ์—ผ์—ผ๋ฃŒ ๊ตฌ๋ฆฌ / ํ•ญ๊ท  ํšจ๊ณผ ์‘์ ‘์‹ค ์ฝ˜์„ผํŠธ ๋ฐฉ๊ฐ™๋‹ค TV ์ˆ˜๋‚ฉ๊ณต๊ฐ„ ๊ฐœ์„ฑ ๋„˜์น˜๋Š” ๊ณต๊ฐ„ ๋„“์€ ๊ณต๊ฐ„ ์Šค๋งˆํŠธํ—ˆ๋ธŒ ๋””์Šคํ”Œ๋ ˆ์ด ์ธ์น˜ ์ฒœ์žฅ..

    [sqld] 43ํšŒ ํ›„๊ธฐ ๋ฐ ๋ณต์›

    [sqld] 43ํšŒ ํ›„๊ธฐ ๋ฐ ๋ณต์›

    ์ œ43ํšŒ sqld ์‹œํ—˜ 2021.11.20.ํ† ์š”์ผ ์‹œํ—˜์ด ์˜ค์ „ 10:00 ๋ถ€ํ„ฐ 11:30๋ถ„๊นŒ์ง€ ์ง„ํ–‰๋˜์—ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๊ฒฐ๊ณผ๋ฐœํ‘œ๋Š” 2021.12.17 ์— ์‹œํ–‰๋œ๋‹ค๊ณ  ํ•œ๋‹ค. ํฌ๊ฒŒ ๊ณ ๋ฏผ์„ ํ•˜์ง€ ์•Š๊ณ  ๋ฌธ์ œ๋ฅผ ํ’€์–ด๊ฐ”์—ˆ๋˜ ๊ฒƒ ๊ฐ™๋‹ค. ์ƒ๊ฐ๋‚˜๋Š”๋Œ€๋กœ ํˆญํˆญ ๊ธ์ ์—ฌ๋ณด๋ฉด, ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. 1,2๋‹จ์› ๊ฐ๊ด€์‹ ๋‹ต์•ˆ : 1. ๊ด€๊ณ„ ํ‘œ๊ธฐ๋ฒ• ๊ด€๊ณ„๋ช…, ๊ด€๊ณ„์ฐจ์ˆ˜, ๊ด€๊ณ„์„ ํƒ์‚ฌ์–‘ Membership, Cardinality, Optionality 2.์„ค๋ช… ๊ด€๋ จ Row chaining : ๋งŽ์€ ์นผ๋Ÿผ์€ ๋กœ์šฐ ์ฒด์ด๋‹๊ณผ ๋กœ์šฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์ด ๋งŽ์•„์ง€๊ฒŒ ๋˜์–ด ์„ฑ๋Šฅ์ด ์ €ํ•˜๋˜๊ธฐ ๋–„๋ฌธ์—, ๊ธธ์ด๊ฐ€ ๋„ˆ๋ฌด ๊ธธ์–ด์„œ ๋ฐ์ดํ„ฐ ๋ธ”๋ก ํ•˜๋‹ˆ์— ๋ฐ์ดํ„ฐ๊ฐ€ ๋ชจ๋‘ ์ €์žฅ๋˜์ง€ ์•Š๊ณ  ๋‘ ๊ฐœ ์ด์ƒ์˜ ๋ธ”๋ก์— ๊ฑธ ์ณ ํ•˜ ์˜ ๋กœ์šฐ๊ฐ€ ์ €์žฅ๋˜์–ด ์žˆ๋Š” ํ˜•ํƒœ๊ฐ€ ๋กœ์šฐ์ฒด์ด๋‹ (Row Chaining) ํ˜„์ƒ Ro..

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