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22_04_13_Wed.md

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[22.04.13.Wed] - Day 34

Node.js

  • job scheduler ์‹ค์Šต
    • ์ •ํ•ด์ง„ ๋‚ ์งœ/์‹œ๋ถ„์ดˆ ์–ด๋–ค ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•˜๋ผ๊ณ  ๋ฏธ๋ฆฌ ๋“ฑ๋กํ•ด ๋†“๋Š” ๊ฒƒ
    • ํŠน์ • ์ฃผ๊ธฐ๋งˆ๋‹ค ์–ด๋–ค ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•˜๋ผ๊ณ  ๋ฏธ๋ฆฌ ๋“ฑ๋กํ•ด ๋†“๋Š” ๊ฒƒ
      • ๋ฐ์ดํ„ฐ ๋ฐฑ์—…: ๋งค์ผ ๋ฐค 12์‹œ, ์ƒˆ๋ฒฝ 1์‹œ, ... ์‚ฌ์šฉ์ž๊ฐ€ ์‹œ์Šคํ…œ์„ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š” ์‹œ๊ฐ„๋™์•ˆ ์ค‘์š”ํ•œ ๋ฐ์ดํ„ฐ/ํŒŒ์ผ ๋ฐฑ์—…
      • ์ •๊ธฐ ๋ฆฌํฌํŠธ: ๋งค์ผ, ๋งค์ฃผ, ๋งค์›” ํŠน์ • ์‹œ๊ฐ„์— ํŠน์ • ๊ธฐ๊ฐ„๋™์•ˆ ์ƒ์„ฑ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฆฌํฌํŠธ(ํ‘œ/ ์—‘์…€)๋กœ ๋‹ด๋‹น์ž์—๊ฒŒ ์ „๋‹ฌ
      • ์ผ์ • ๊ด€๋ฆฌ: ๋“ฑ๋ก๋œ ์ผ์ •์— ๋งž์ถฐ์„œ ์•Œ๋ฆผ ์ „์†ก
    • node-cron ๋ชจ๋“ˆ
    • nodemailer
    • crawling
  • xlsx
    • read_write
    • write (๊ฐ€์ƒ ์—‘์…€ ํŒŒ์ผ)
    • download (๋ฌผ๋ฆฌ์  ์—‘์…€ ํŒŒ์ผ ์—†์ด ๊ฐ€์ƒ ์—‘์…€ ํŒŒ์ผ ์ƒ์„ฑ ํ›„ ๋‹ค์šด๋กœ๋“œ)
    • nodemailer (์—‘์…€ ํŒŒ์ผ ์ฒจ๋ถ€)
    • js, style
    • cors
      • cross origin resource sharing
      • Origin - URL ๊ตฌ์กฐ์˜ ํ”„๋กœํ† ์ฝœ, ํ˜ธ์ŠคํŠธ, ํฌํŠธ ํ•ฉ์นœ ๊ฒƒ
    • websocket
      • ํด๋ผ์ด์–ธํŠธ์™€ ์„œ๋ฒ„์˜ ์–‘๋ฐฉํ–ฅ ํ†ต์‹ 
      • http (๊ธฐ๋ณธ ๋‚ด์žฅ)
      • socket.io

[Note]

  • ํด๋ผ์ด์–ธํŠธ ์„œ๋ฒ„, ๋ฐฑ์—”๋“œ ์„œ๋ฒ„ ๊ฐ๊ฐ ๋…๋ฆฝ์ ์œผ๋กœ ๊ฐœ๋ฐœ (์›น ์„œ๋ฒ„)
    • ์ž์› ์š”์ฒญํ•œ ๊ณณ๊ณผ ์š”์ฒญ ๋ฐ›๋Š” ๊ณณ ๋„๋ฉ”์ธ์ด๋‚˜ ํฌํŠธ ๋‹ค๋ฅด๋ฉด ์ž์› ๊ณต์œ  ๋ชปํ•˜๊ฒŒ ๋ง‰์•„๋ฒ„๋ฆผ
    • cors ์ฒ˜๋ฆฌ ํ•„์š”
  • ํด๋ผ์ด์–ธํŠธ/๋ฐฑ์—”๋“œ ํ•˜๋‚˜์˜ ์„œ๋ฒ„๋กœ ๊ฐœ๋ฐœ
  • HTTP; ๋‹จ๋ฐฉํ–ฅ ํ†ต์‹ 
  • webrtc; ํด๋ผ์ด์–ธํŠธ-ํด๋ผ์ด์–ธํŠธ 1:1 ์—ฐ๊ฒฐ