Floating Point

๋ถ€๋™์†Œ์ˆ˜์  (Floating Point)

0.1 + 0.2 ๋Š” 0.3์ด ์•„๋‹ˆ๋‹ค.

2023 May 27, Saturday

Full-Text Search

MySQL Full-Text Search

ํ…์ŠคํŠธ ๊ฒ€์ƒ‰์„ ์œ„ํ•œ MySQL์˜ Full-Text Search

2023 May 20, Saturday

passcard

์• ํ”Œ ์›”๋ ›์œผ๋กœ ๋ช…ํ•จ ๋งŒ๋“ค๊ธฐ (with PassKit)

signpass ๋„๊ตฌ๋ฅผ ์ด์šฉํ•ด์„œ ๊ฐ„๋‹จํ•˜๊ฒŒ ์›”๋ › ๋ช…ํ•จ ๋งŒ๋“ค๊ธฐ

2023 Feb 11, Saturday

์ปค์„œ ๋ฒ ์ด์Šค ํŽ˜์ด์ง€๋„ค์ด์…˜

์ปค์„œ ๋ฒ ์ด์Šค ํŽ˜์ด์ง€๋„ค์ด์…˜ ๊ตฌํ˜„ํ•˜๊ธฐ

์ปค์„œ ๋ฒ ์ด์Šค(Cursor-based) ํŽ˜์ด์ง€๋„ค์ด์…˜๊ณผ ๊ธฐ์กด ์˜คํ”„์…‹(Offset-based) ๊ธฐ๋ฐ˜ ํŽ˜์ด์ง€๋„ค์ด์…˜์— ๋Œ€ํ•ด

2022 Nov 20, Sunday

UUID๋ฅผ Primary Key๋กœ

UUID๋ฅผ Primary Key๋กœ ์‚ฌ์šฉํ•˜๊ธฐ

UUID๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์–ด๋–ค ์ด์ ์ด ์žˆ๋Š”์ง€ ์–ด๋–ค ๊ฒฝ์šฐ์— ์‚ฌ์šฉํ•ด์•ผํ•˜๋Š”์ง€ ์•Œ์•„๋ณด๊ณ ์ž ํ•œ๋‹ค.

2022 Nov 12, Saturday

passcard

๋‹น๊ทผ๋งˆ์ผ“, ๋‹น๊ทผ๋ถ€๋™์‚ฐ์œผ๋กœ ๋ณธ URL ์ „๋žต

posts/์•„ํŒŒํŠธ-4์–ต-์„œ์šธ์‹œ-์—ฌ๋Ÿฌ๋ถ„-๋‹น๊ทผ๋ถ€๋™์‚ฐ-aQbjxLFNc ๋‹น๊ทผ๋ถ€๋™์‚ฐ์€ ์™œ ์ด๋Ÿฐ URL์„ ์‚ฌ์šฉํ• ๊นŒ?

2022 Nov 6, Sunday

M1 ๋งฅ๋ฏธ๋‹ˆ ํ™ˆ์„œ๋ฒ„ ๊ตฌ์ถ•

M1 ๋งฅ๋ฏธ๋‹ˆ๋กœ ์„œ๋ฒ„๋ฅผ ๋งŒ๋“ค์–ด ๋ณด์ž

M1์นฉ์…‹์˜ ์ €๋ฐœ์—ด, ์ €์ „๋ ฅ, ์ €์†Œ์Œ์˜ ๊ฐ•์ ์„ ์ด์šฉํ•ด ๊ฐœ์ธํ”„๋กœ์ ํŠธ ์„œ๋ฒ„์šฉ์œผ๋กœ ํ™œ์šฉํ•ด๋ณด๊ธฐ๋กœํ–ˆ๋‹ค

2021 Dec 9, Thursday