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small-codes

์ž์ž˜ํ•œ ์ƒํ™œ์˜ ์ฝ”๋“œ๋“ค


pdf2jpeg.ipynb

When?

March 2020

Background

๋ณดํ—˜๊ธˆ ์ฒญ๊ตฌ์„œ๋ฅ˜๋ฅผ pdf๋กœ ์ค€๋น„ํ–ˆ๋Š”๋ฐ ์˜จ๋ผ์ธ ์ฒจ๋ถ€๋ฅผ ํ•˜๋ ค๊ณ  ๋ณด๋‹ˆ ์ด๋ฏธ์ง€ ํ˜•์‹ ํŒŒ์ผ๋งŒ ์ฒจ๋ถ€๊ฐ€ ๋œ๋‹จ๋‹ค. Acrobat Reader ์œ ๋ฃŒ๋ฒ„์ „์€ ์—†๊ณ , ์˜จ๋ผ์ธ์œผ๋กœ ํ•ด๊ฒฐํ•˜์ž๋‹ˆ ๊ฐœ์ธ์ •๋ณด๊ฐ€ ๋‹ด๊ธด ์„œ๋ฅ˜๋ผ ์™ ์ง€ ์ฐ์ฐํ•˜๋‹ค. ํŒŒ์ด์ฌ์„ ์‚ฌ์šฉํ•ด์„œ pdf๋ฅผ ์ด๋ฏธ์ง€ ํŒŒ์ผ(JPEG)๋กœ ๋ณ€ํ™˜ํ•˜์ž.

What & How
  • ๋ณ€ํ™˜ํ•ด์•ผ ํ•˜๋Š” pdf ๋ฌธ์„œ๊ฐ€ ์—ฌ๋Ÿฌ ๊ฐœ ์žˆ๊ณ , ๊ฐ๊ฐ์˜ ๋ฌธ์„œ๋Š” ์—ฌ๋Ÿฌ ํŽ˜์ด์ง€๋กœ ๊ตฌ์„ฑ๋˜์–ด์žˆ๋‹ค.
    ๋ฌธ์„œ์ด๋ฆ„.pdf๋ฅผ ๋ฌธ์„œ์ด๋ฆ„1.jpg, ๋ฌธ์„œ์ด๋ฆ„2.jpg , ... ๋กœ ๋ณ€ํ™˜ํ•œ๋‹ค.
  • ๋ณ€ํ™˜ํ•ด์•ผ ํ•˜๋Š” pdf๋Š” ๋ชจ๋‘ ๊ฐ™์€ ํด๋” ์•ˆ์— ๋“ค์–ด ์žˆ์—ˆ๊ณ , pdf2jpeg.ipynb๋„ ๊ฐ™์€ ํด๋”(dir_pth ๋ณ€์ˆ˜ ๋‚ด์šฉ์„ ์ˆ˜์ •ํ•ด๋„ ๋œ๋‹ค)์— ๋‘”๋‹ค.
  • https://pypi.org/project/pdf2image/ ๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค. ํ•ด๋‹น ํŒจํ‚ค์ง€๋Š” PIL(Python Imaging Library)์„ ์‚ฌ์šฉํ•œ๋‹ค.

compile.sh

When?

December 2018

Background

Cํ”„๋กœ๊ทธ๋ž˜๋ฐ ์‹œํ—˜์„ ๋งˆ์น˜๊ณ  ์ฑ„์ ์„ ํ•ด์•ผ ํ•œ๋‹ค. ์งง์€ shell script๋ฅผ ํ†ตํ•ด ํ•œ๋ฒˆ์— ์—ฌ๋Ÿฌ๊ฐœ์˜ ํŒŒ์ผ์„ ์ปดํŒŒ์ผ ํ•ด๋ณด์ž. ์ด ๋•Œ ์‹คํ–‰ํŒŒ์ผ ์ด๋ฆ„์€ .out ํ™•์žฅ์ž๋ฅผ ์‚ฌ์šฉํ•˜์ž.

What & How
  • ํ™ˆ ๋””๋ ‰ํ† ๋ฆฌ์—๋Š” \*๋ฒˆ ๋ฌธ์ œ ์— ๋Œ€ํ•œ ํ•™์ƒ ์ œ์ถœ ์ฝ”๋“œ๊ฐ€ ๋‹ด๊ธด p1,p2,p3,p4 ๋„ค ๊ฐœ์˜ ๋””๋ ‰ํ† ๋ฆฌ์™€ compile.sh๊ฐ€ ์žˆ๋‹ค.
  • ์‹คํ–‰ํŒŒ์ผ ์ด๋ฆ„์„ ์ •ํ•˜๋А๋ผ working with filenames in bash๋ฅผ ์ฐธ๊ณ ํ•˜์˜€๋‹ค.
  • ์ปดํŒŒ์ผ ๋ช…๋ น์–ด๋กœ gcc -o (์ƒ์„ฑ๋  ์‹คํ–‰ํŒŒ์ผ) (ํ•™์ƒ ์ œ์ถœ ์ฝ”๋“œ)๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค.

lets-select.py

When?

July 2018

Background

์กธ์—…์Šค๋ƒ…์„ ์ฐ์€ ์šฐ๋ฆฌ๋“ค์€ select๋ผ๋Š” ์ด๋ฆ„์˜ ๋””๋ ‰ํ† ๋ฆฌ์— ์‚ฌ์ง„์„ ๋‚จ๊ธฐ๊ธฐ๋กœ ํ–ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ NEFํ˜•์‹์˜ ํŒŒ์ผ์„ ๋ฏธ๋ฆฌ๋ณด๊ธฐ ํ•˜๋Š”๋ฐ ํ•œ๊ณ„๊ฐ€ ์žˆ์–ด jpgํ˜•์‹์œผ๋กœ ๋ณ€ํ™˜ํ•œ ํ›„, _group์ด๋ผ๋Š” ์ด๋ฆ„์˜ ๋””๋ ‰ํ† ๋ฆฌ์— ์‚ฌ์ง„์„ ์ถ”๋ ธ๋‹ค! ์ถ”๋ฆฐ ์‚ฌ์ง„๋“ค์˜ ๋ฒˆํ˜ธ๋ฅผ ์ผ์ผ์ด ํ™•์ธํ•˜๊ธฐ ๊ท€์ฐฎ์œผ๋ฏ€๋กœ _group์— ์—†๋Š” ๋ฒˆํ˜ธ์˜ ์‚ฌ์ง„๋“ค์„ ์ง€์›Œ๋ฒ„๋ฆฌ์ž.

What & How
  • select ๋””๋ ‰ํ† ๋ฆฌ์—๋Š” ์›๋ณธ ํŒŒ์ผ ์ „์ฒด๊ฐ€ ๋“ค์–ด์žˆ๋‹ค.
  • _group์ด๋ผ๋Š” ์ด๋ฆ„์˜ ๋””๋ ‰ํ† ๋ฆฌ์— ์žˆ๋Š” ์‚ฌ์ง„๊ณผ ๋™์ผํ•œ ์ด๋ฆ„์ธ ์‚ฌ์ง„ ํŒŒ์ผ๋“ค๋งŒ ๋‚จ๊ฒจ์•ผ ํ•œ๋‹ค
  • import os ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ•ด๊ฒฐํ•˜์˜€๋‹ค.

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short, useful codes for daily life

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