[260520] TIL

Today I Learned (2026-05-20)

ํ† ํฐ ๋งŒ๋ฃŒ์™€ Redis

  • ํ† ํฐ์„ Redis์— ์ €์žฅํ•ด๋‘๋ฉด ๋งŒ๋ฃŒ ์‹œ์ ์— Redis์—์„œ๋„ ํ•จ๊ป˜ ์‚ฌ๋ผ์ง€๋„๋ก ๋ฌถ์„ ์ˆ˜ ์žˆ๋‹ค. ์„œ๋ฒ„ ์ €์žฅ์†Œ์™€ ํ† ํฐ ์ˆ˜๋ช…์„ ์ผ์น˜์‹œ์ผœ, ๋งŒ๋ฃŒ๋œ ํ† ํฐ์ด ๋‚จ์•„ ์˜ค์ž‘๋™ํ•˜๋Š” ๊ฑธ ๋ง‰๋Š”๋‹ค.

๋™์  ํƒœ๊ทธ ์ปดํฌ๋„ŒํŠธ

  • ๋Œ€๋ฌธ์ž๋กœ ์‹œ์ž‘ํ•˜๋Š” ๋ณ€์ˆ˜์— ํƒœ๊ทธ๋ช… ๋ฌธ์ž์—ด์„ ๋‹ด์œผ๋ฉด JSX๊ฐ€ ๊ทธ๊ฑธ ์ปดํฌ๋„ŒํŠธ๋กœ ์ธ์‹ํ•œ๋‹ค. ๋•๋ถ„์— ์กฐ๊ฑด์— ๋”ฐ๋ผ ์ฒซ ์ค„์€ h1, ๋‚˜๋จธ์ง€๋Š” p์ฒ˜๋Ÿผ ์‹œ๋งจํ‹ฑ ํƒœ๊ทธ๋ฅผ ๋™์ ์œผ๋กœ ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ๋‹ค. (๋ณ€์ˆ˜๋ช…์ด ์†Œ๋ฌธ์ž๋ฉด ์ผ๋ฐ˜ ๋ฌธ์ž์—ด๋กœ ์ทจ๊ธ‰๋œ๋‹ค.)
const Tag = i === 0 ? 'h1' : 'p'
<Tag key={i}>{line}</Tag>

git force vs force-with-lease

  • git push --force๋Š” ์›๊ฒฉ์„ ๋ฌด์กฐ๊ฑด ๋ฎ์–ด์“ด๋‹ค. --force-with-lease๋Š” ๋‚ด๊ฐ€ ๋งˆ์ง€๋ง‰์œผ๋กœ ๋ฐ›์•„์˜จ ์ดํ›„ ์›๊ฒฉ์ด ๋ฐ”๋€Œ์ง€ ์•Š์•˜์„ ๋•Œ๋งŒ ๋ฐ€์–ด๋‚ด, ๊ทธ์‚ฌ์ด ์˜ฌ๋ผ์˜จ ๋™๋ฃŒ์˜ ์ปค๋ฐ‹์„ ๋ฎ์–ด์“ฐ๋Š” ์‚ฌ๊ณ ๋ฅผ ๋ง‰์•„์ค€๋‹ค.

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