2023-11-16-TIL

2023-11-16-TIL

Today I Learned

Vanilla Software

바닐라 자바스크립트, 바닐라 쿠버네티스 같은 말이 종종 보이는데, ‘바닐라’라는 말은 오리지널 버전을 그대로 사용하는 것을 의미한다. 우리나라 말로 치자면 ‘순정’같은 느낌인 것 같다.

• https://en.wikipedia.org/wiki/Vanilla_software

Java Record Polymorphism

• https://stackoverflow.com/questions/71139939/why-java-records-do-not-support-inheritance
• https://bwgjoseph.com/polymorphic-dto-using-java-record-with-jackson

AWS MedisConvert

• https://aws.amazon.com/ko/mediaconvert/
• https://docs.aws.amazon.com/mediaconvert/latest/ug/what-is.html

Media File Hash Difference

영상이나 음원같은 미디어 파일도 해시값으로 동일성 비교가 될까? DTW나 Finger Print 같은 기법을 추가로 사용하는 이유가 무엇일까?

• https://mediahashlist.org/wp-content/uploads/2012/01/Media-Hash-File-Format-Proposal-v1_3.pdf
• https://www.digitalvolcano.co.uk/duplicatecleanermanual/what_is_the_difference_between_the_content_comparison__hashing_types.htm
• https://stackoverflow.com/questions/38489876/how-to-compare-files-using-byte-array-and-hash
• https://www.reddit.com/r/ffmpeg/comments/wbvio2/comparing_video_files_that_are_supposed_to_be/

바이트값 하나하나 비교한다면 당연히 완전하게 동일함을 보장하겠지만, 성능이슈로 그렇게 처리하지 않는것 같다.

Fingerprint vs Hash

• https://math.stackexchange.com/questions/2512517/whats-the-difference-between-a-fingerprint-and-a-hash
• https://www.technologyreview.com/2004/08/04/232539/fingerprinting-your-files/

CNAME vs Entry Point

• https://en.wikipedia.org/wiki/CNAME_record#:~:text=A%20Canonical%20Name%20(CNAME)%20record,from%20a%20single%20IP%20address.
• https://www.cloudflare.com/ko-kr/learning/dns/dns-records/dns-cname-record/
• https://support.dnsimple.com/articles/differences-between-a-cname-alias-url/
• https://support.dnsimple.com/articles/differences-a-cname-records/
• https://easydmarc.com/blog/cname-vs-a-record/

Today I Studied

Loop Unrolling

• https://www.youtube.com/watch?v=U_T-hPz6j50
• https://www.sciencedirect.com/topics/computer-science/loop-unrolling

Duff’s Device

• https://johngrib.github.io/wiki/duff-s-device/
• https://www.geeksforgeeks.org/duffs-device-work/
• https://en.wikipedia.org/wiki/Duff%27s_device
• https://lethean.github.io/2006/01/11/duffs-device/

MapReduce

• https://songsunbi.tistory.com/5
• https://kadensungbincho.tistory.com/112
• https://ko.wikipedia.org/wiki/%EB%A7%B5%EB%A6%AC%EB%93%80%EC%8A%A4
• https://12bme.tistory.com/154