๐Ÿ’› ํ”„๋กœ๊ทธ๋ž˜๋ฐ 43

๋งฅ๋ถ ํ„ฐ๋ฏธ๋„ ์—๋Ÿฌ [ls: .: Operation not permitted] ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

๋งฅ๋ถ์—์„œ ํด๋”๋ฅผ ์ด๋™ํ•˜์—ฌ ls๋ฅผ ์ž…๋ ฅํ–ˆ๋Š”๋ฐ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋‚˜์˜ค๋ฉฐ ํด๋” ๋‚ด์šฉ์ด ๋‚˜ํƒ€๋‚˜์ง€์•Š์•˜๋‹ค. ls: .: Operation not permitted ๋‹นํ™ฉํ•˜์ง€ ๋ง๊ณ  ํ•ด๊ฒฐํ•˜๋Ÿฌ ๊ฐ€๋ณด์ž! 1. [ ์„ค์ • > ๊ฐœ์ธ์ •๋ณด ๋ณดํ˜ธ ๋ฐ ๋ณด์•ˆ > ํŒŒ์ผ ๋ฐ ํด๋”] ๋กœ ์ด๋™! 2. ํ„ฐ๋ฏธ๋„ ํ˜น์€ iTerm์„ ์—ด์–ด์„œ ๋ฌธ์„œ ํด๋”๋ฅผ ํ™œ์„ฑํ™” ์‹œ์ผœ์ค€๋‹ค. ์ด๋ ‡๊ฒŒ ๊ฐ„๋‹จํ•œ ์กฐ์น˜๋กœ ์—๋Ÿฌ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ๋‹ค. ํ„ฐ๋ฏธ๋„ ๊ป๋‹ค ์ผœ๋ฉด ๋ฐ”๋กœ ๋™์ž‘์ด ์ž˜ ๋œ๋‹ค.

[ERROR] Could not find resource ./db.properties

์›๋ž˜ ์ž˜ ๋˜๋˜ ํ”„๋กœ์ ํŠธ์ธ๋ฐ ์ธํ…”๋ฆฌ์ œ์ด๋ฅผ ์—…๋ฐ์ดํŠธํ•˜๊ณ  ๋‚˜์„œ ์‹คํ–‰์ด ๋˜์ง€์•Š์•˜๋‹ค. ๋ถ„๋ช… ๊ฒฝ๋กœ๋Š” ๋งž๋Š”๋ฐ ์™œ ์‹คํ–‰๋˜์ง€์•Š๋Š”๊ฐ€ ์ฐพ์•„๋‹ค๋…”๋‹ค. ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํŒŒ์ผ์„ ์ฐพ์„ ์ˆ˜ ์—†๋‹ค๋Š” ์˜ค๋ฅ˜ ๋ฐœ์ƒ.. ํ•ด๊ฒฐ๋ฐฉ๋ฒ•์€ ๋‹ค์Œ๊ณผ ๊ฐ™์•˜๋‹ค. ํ•ด๋‹น ํŒŒ์ผ์ด ๋“ค์–ด์žˆ๋Š” ํด๋” ์šฐํด๋ฆญ > Mark Directory as > Resources Root ์œ„์™€ ๊ฐ™์€ ์„ค์ • ํ›„ ํ•ด๊ฒฐ ์™„๋ฃŒ!

ParameterMapping ์—๋Ÿฌ

์˜ค๋ฅ˜ ๋‚ด์šฉ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•˜์˜€๋‹ค. nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping --- ํ•ด๊ฒฐ๋ฐฉ๋ฒ• ์ฟผ๋ฆฌ๋ฅผ ์“ธ๋•Œ IF๋ฌธ์„ ์‚ฌ์šฉํ•˜์˜€๋Š”๋ฐ, ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ž…๋ ฅํ–ˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ ๋ฌธ์ž์—ด์„ ๋ฐ›๋Š”๊ฑฐ๋ผ ๊ทธ๋Ÿฐ์ง€ ์ €๋ ‡๊ฒŒ ์“ฐ๋ฉด ์˜ค๋ฅ˜๊ฐ€ ๋‚ฌ๋‹ค. ์ €๋ ‡๊ฒŒ ์“ฐ๋ฉด ์•ˆ๋˜๋Š”๊ฑด๊ฐ€๋ณด๋‹ค. ์ด๋ ‡๊ฒŒ ๋”ฐ์˜ดํ‘œ์™€ ์Œ๋”ฐ์˜ดํ‘œ๋ฅผ ๋ฐ”๊พธ์–ด ์ˆ˜์ •ํ•ด์ฃผ๋‹ˆ ํ•ด๊ฒฐ๋˜์—ˆ๋‹ค.

์Šค๋„ค์ดํฌ ์ผ€์ด์Šค, ํŒŒ์Šค์นผ ์ผ€์ด์Šค, ์นด๋ฉœ ์ผ€์ด์Šค

๐Ÿ“Œ ์Šค๋„ค์ดํฌ ์ผ€์ด์Šค(Snake Case)๋ž€? - ์–ธ๋”๋ฐ”(_)๊ฐ€ ๋“ค์–ด๊ฐ€ ์žˆ๋Š” ํ‘œํ˜„ ๋ฐฉ์‹. ๊ทธ ๋ชจ์Šต์ด ๋ฑ€์ฒ˜๋Ÿผ ์ƒ๊ฒจ์„œ ์Šค๋„ค์ดํฌ ์ผ€์ด์Šค๋ผ๊ณ  ํ•œ๋‹ค. var snake_case; ๐Ÿ“Œ ํŒŒ์Šค์นผ ์ผ€์ด์Šค(Pascal Case)๋ž€? - ์ฒซ ๊ธ€์ž์™€ ์ค‘๊ฐ„ ๊ธ€์ž๋“ค์ด ๋Œ€๋ฌธ์ž์ธ ๊ฒฝ์šฐ ํŒŒ์Šค์นผ ์–ธ์–ด์˜ ํ‘œ๊ธฐ๋ฒ•๊ณผ ์œ ์‚ฌํ•ด์„œ ํŒŒ์Šค์นผ ์ผ€์ด์Šค๋ผ๊ณ  ํ•œ๋‹ค. var PascalCase; ๐Ÿ“Œ ์นด๋ฉœ ์ผ€์ด์Šค(Camel Case)๋ž€? - ์ฒซ ๊ธ€์ž๋Š” ์†Œ๋ฌธ์ž ์ด์ง€๋งŒ, ์ค‘๊ฐ„ ๊ธ€์ž๋“ค์€ ๋Œ€๋ฌธ์ž๋กœ ์‹œ์ž‘ํ•˜๋Š” ๊ฒฝ์šฐ ๋‚™ํƒ€์™€ ๋ชจ์–‘์ด ๋น„์Šทํ•˜์—ฌ ์นด๋ฉœ ์ผ€์ด์Šค๋ผ๊ณ  ํ•œ๋‹ค/ var camelCase;

[Mac] Fork Github token ์˜ค๋ฅ˜ ํ•ด๊ฒฐ๋ฐฉ๋ฒ•๐Ÿ’ฆ

Mac์—์„œ Git ์•ฑ์ธ Fork๋ฅผ ์‚ฌ์šฉํ•˜๋Š”๋ฐ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค. An unexpected error occurred while performing the git request. ์œ„ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ๊ฐœ์ธ ํ† ํฐ์„ ๋ฐœ๊ธ‰ํ•ด์„œ ๋กœ๊ทธ์ธํ•ด์•ผํ•œ๋‹ค. ํ•ด๊ฒฐ๋ฐฉ๋ฒ•์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. 1. ํ† ํฐ ๋ฐœ๊ธ‰ 2. ๋ฐœ๊ธ‰๋ฐ›์€ ํ† ํฐ์œผ๋กœ ๋กœ๊ทธ์ธํ•˜๊ธฐ ํ† ํฐ ๋ฐœ๊ธ‰๋ฐ›๋Š” ๋ฐฉ๋ฒ• 1. Github์—์„œ Settings ๋“ค์–ด๊ฐ€๊ธฐ 2. Developer settings ๋“ค์–ด๊ฐ€๊ธฐ 3. Personal access tokens ํด๋ฆญ 4. Generate new token ํด๋ฆญ 5. ํ† ํฐ ์ด๋ฆ„์„ ์ž‘์„ฑํ•˜๊ณ  Expiration ์„ No expiration์œผ๋กœ ์„ค์ • ๋‹ค์Œ ์„ค์ • ์„ ํƒํ•ด์ฃผ๊ณ  Generate token! ๋ฐœ๊ธ‰๋œ ํ† ํฐ ๋ณต์‚ฌ ํ™”๋ฉด์„ ๋„์ง€๋งˆ์„ธ์š”! ..

์ฝ”๋“œ๋ฅผ ๋ฒˆ์—ญํ•ด์ฃผ๋Š” ์„œ๋น„์Šค : Figstack

Figstack์€ ์ฝ”๋“œ๋ฅผ ๋‹ค๋ฅธ ์–ธ์–ด์˜ ์ฝ”๋“œ๋กœ, ๋˜๋Š” ์˜์–ด๋กœ ๋ฒˆ์—ญํ•ด์ฃผ๋Š” ์‹ ๊ธฐํ•˜๊ณ  ์žฌ๋ฏธ์žˆ๋Š” ์„œ๋น„์Šค์ด๋‹ค. https://www.figstack.com/ Figstack Your intelligent coding companion www.figstack.com Figstack์˜ ๊ธฐ๋Šฅ์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. 1. ์ฝ”๋“œ๋ฅผ ์˜์–ด๋กœ ๋ฒˆ์—ญํ•˜์—ฌ ์ฝ”๋“œ๋ฅผ ์„ค๋ช…ํ•ด์ค€๋‹ค. (์•„์ง์€ ์˜์–ด๋กœ๋งŒ ๊ฐ€๋Šฅํ•œ ๋“ฏํ•˜๋‹ค.) 2. ์ฝ”๋“œ๋ฅผ ๋‹ค๋ฅธ ์–ธ์–ด์˜ ์ฝ”๋“œ๋กœ ๋ณ€ํ™˜ํ•ด์ค€๋‹ค. 3. ๋‚ด๊ฐ€ ์‚ฌ์šฉํ•œ ์ฝ”๋“œ๋ฅผ ๋ฌธ์„œํ™”์‹œ์ผœ์ค€๋‹ค. 4. ์ž‘์„ฑํ•œ ์ฝ”๋“œ์˜ ์‹œ๊ฐ„ ๋ณต์žก๋„๋ฅผ ์•Œ๋ ค์ค€๋‹ค.

mySQL) ์‹œ๊ฐ„ ๋”ํ•˜๊ธฐ, ๋นผ๊ธฐ ( DATE_ADD, DATE_SUB )

ํ˜„์žฌ ์‹œ๊ฐ„ ๋˜๋Š” ํŠน์ • ์‹œ๊ฐ„์„ ๊ธฐ์ค€์œผ๋กœ ๋”ํ•˜๊ฑฐ๋‚˜ ๋บ„ ๋•Œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. DATE_SUB(NOW(), INTERVAL 3 HOUR) // ํ˜„์žฌ ์‹œ๊ฐ„ - 3์‹œ๊ฐ„ DATE_ADD(NOW(), INTERVAL 3 HOUR) // ํ˜„์žฌ ์‹œ๊ฐ„ + 3์‹œ๊ฐ„ SELECT DATE_FORMAT(DATE_SUB(NOW(), INTERVAL 3 HOUR), '%Y-%m-%d %H'); SELECT DATE_FORMAT(DATE_ADD(NOW(), INTERVAL 3 HOUR), '%Y-%m-%d %H');

AWS Linux ๊ณ„์—ด์— ๋งž๋Š” ์‚ฌ์šฉ์ž ์ด๋ฆ„ ๋ชฉ๋ก

๋‹ค์Œ ๋ถ€๋ถ„์— ์‚ฌ์šฉ๋˜๋Š” ์ด๋ฆ„์ด๋‹ค. ssh -i ์ธ์Šคํ„ดํŠธํ‚ค.pem [์‚ฌ์šฉ์ž ์ด๋ฆ„]@[publicIP ๋˜๋Š” publicDNS] Amazon Linux AMI : ec2-user RHEL5 AMI : root ๋˜๋Š” ec2-user Ubuntu AMI : ubuntu Fedora AMI : fedora ๋˜๋Š” ec2-user SUSE Linux : root ๋˜๋Š” ec2-user ๊ณ„์—ด์— ๋งž์ง€ ์•Š๋Š” ์ด๋ฆ„์œผ๋กœ ์ ‘์†์„ ์‹œ๋„ํ•  ๊ฒฝ์šฐ Permission denied (publickey) ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค. ์‚ฌ์šฉ ์˜ˆ์‹œ ssh -i key.pem ec2-user@12.123.123.23

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