Jihyeon Kim (김지현)'s Avatar

Jihyeon Kim (김지현)

@hyeon.me

https://hyeon.me

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07.04.2023
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Latest posts by Jihyeon Kim (김지현) @hyeon.me

갈루아 군도 있네 ㅋㅋㅋ

10.12.2025 07:52 👍 1 🔁 0 💬 1 📌 0
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Modern SQL: A lot has changed since SQL-92 SQL has evolved. Beyond the relational model. Discover it now.

modern-sql.com now covers DuckDB.

28.11.2025 13:24 👍 46 🔁 15 💬 2 📌 0
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Fun coloured bars and lines

02.10.2025 17:09 👍 8 🔁 4 💬 3 📌 0

I think using nanosleep is better than using kqueue or timerfd. Since nanosleep is included in the POSIX.1-2001 standard, with just one function call it can support almost all UNIX-like OSs except for espidf. (linux, freebsd, netbsd, darwin, solaris, illumos, dragonfly, hurd, fuchsia, vxworks, ...)

25.08.2025 06:54 👍 2 🔁 0 💬 1 📌 0
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랜섬웨어, 금융사까지 번졌다…KISA "보안 강화 시급" 외부 연결점 점검 등 랜섬웨어 피해 방지책 강화 주문 온라인 서점, 보증보험사에 이어 금융사에서도 랜섬웨어 공격이 발생하는 등 국내 주요 기업·기관의 랜섬웨어 악성코드 감염 사례가 최근 급증하고 있다. 18일 보안업

랜섬웨어, 금융사까지 번졌다…KISA "보안 강화 시급"

18.08.2025 08:41 👍 3 🔁 8 💬 0 📌 2

사회언어학적인 연구 주제로 쓸 수 있을 것 같다.

이미 뜻이 알려져 있는 속담 말고 "자고 있으면 고양이도 조용히 한다" 같은 모호한 문장을 여러 개 만들어서 다양한 인구집단한테 어떻게 해석되는지 물어본다.

'동물을 행동의 주체로 보는 것을 자연스럽게 생각하는지'의 정도가 연령대에 따라 다르게 나올 것 같다.

25.07.2025 06:02 👍 2 🔁 7 💬 0 📌 0
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At 17, Hannah Cairo Solved a Major Math Mystery | Quanta Magazine After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture.

Hannah Cairo란 17살 학생이 최근 40년동안 풀리지 않은 조화해석학 난제 미조하타-타케우치 가설의 반례를 찾아서 화제. 홈스쿨링을 하다가 좋은 기회로 UC 버클리의 대학원 수업을 듣게 되었는데 거기서 숙제 중 한 문제가 저 부등식의 특수 경우를 증명하는 것이었고 optional하게 다른 경우도 증명 가능한지 물었는데 교수는 당연히 답을 바라지 않고 생각해볼 거리를 던져준 것이었으나 반증의 형태로 해결해버린 것.. 결국 학부 건너뛰고 올 가을 학기부터 메릴랜드 대학교 박사과정으로 입학 예정이라고

06.08.2025 10:42 👍 67 🔁 97 💬 1 📌 0

userland ROP on day 1 💪

05.06.2025 08:48 👍 2053 🔁 324 💬 101 📌 63
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Apparently, IARC recently decided to update the rating of the DELTARUNE Chapter 1&2 demo to include ‘In-Game Purchases’ because it links to UNDERTALE’s store page at the start.

...

There are no plans for in-game purchases in the full game.

24.03.2025 12:49 👍 12974 🔁 1431 💬 678 📌 121

They only reported 1 bug yesterday (we've received over 500 individual reports since we started testing Chapter 3 PC)

Feels like they're slurping the last drops of soda from between the ice cubes now

04.03.2025 03:02 👍 15394 🔁 1580 💬 536 📌 353

For personal reasons, I no longer feel safe working on Linux GPU drivers or the Linux graphics ecosystem. I've paused work on Apple GPU drivers indefinitely.

I can't share any more information at this time, so please don't ask for more details. Thank you.

18.03.2025 15:25 👍 1084 🔁 77 💬 66 📌 8
Mozilla collects certain data, like technical and settings data, to provide the core functionality of the Firefox browser and associated services, distinguish your device from others, remember and respect your settings, and provide you with default features such as New Tab, PDF editing, password manager and Total Cookie Protection. You can further customize your Firefox experience by adjusting your controls, buttons, and toolbars and adding features with add-ons.

Some Firefox features, like automated translation for web pages and “alt-text” suggestions when you upload images in your PDFs, are powered by artificial intelligence (AI) based on small language models downloaded to your device. These operate locally — web page content, PDFs, images and tab URLs stay on your device and are not sent to Mozilla’s servers or used for training purposes without your explicit consent. Note that other Firefox features may integrate third-party AI models, as further detailed in this Notice.

Mozilla collects certain data, like technical and settings data, to provide the core functionality of the Firefox browser and associated services, distinguish your device from others, remember and respect your settings, and provide you with default features such as New Tab, PDF editing, password manager and Total Cookie Protection. You can further customize your Firefox experience by adjusting your controls, buttons, and toolbars and adding features with add-ons. Some Firefox features, like automated translation for web pages and “alt-text” suggestions when you upload images in your PDFs, are powered by artificial intelligence (AI) based on small language models downloaded to your device. These operate locally — web page content, PDFs, images and tab URLs stay on your device and are not sent to Mozilla’s servers or used for training purposes without your explicit consent. Note that other Firefox features may integrate third-party AI models, as further detailed in this Notice.

Okay, apparently their privacy policy (which is separate from their ToS) explicitly says that data isn't being used for training without explicit consent, but then... why include this in the ToS and why not call it out there?

blog.mozilla.org/en/products/...

27.02.2025 14:37 👍 71 🔁 13 💬 2 📌 8

The best terminal emulator for SSH, on the OS that can do nothing practical without SSH! What a wonderful match 🤪

26.02.2025 18:00 👍 1 🔁 1 💬 0 📌 0

멋진 쥐스터

06.02.2025 11:45 👍 3 🔁 0 💬 0 📌 0

헌법 바뀌면 권한대행 순서에 국회 의장 부의장을 어딘가에 넣어야 한다

19.12.2024 03:06 👍 2 🔁 3 💬 0 📌 0

Just tried System76's COSMIC Desktop environment.

I gotta say,

The _tiling_ mode they have is the best of anything I've tried. (I've tried them all).

So easy to configure.
Intuitive, even.
For both small and big screens.

Better than:
- i3
- Sway
- Hyprland
- Aerospace
- Yabai
- ... everything.

14.12.2024 22:39 👍 31 🔁 3 💬 7 📌 1

The longer I'm alive the more I realize how essential grieving is. If you don't do it, you can't move on. If you can't move on, you're stuck. If you're stuck, you're miserable.

There's so much to grieve: people, relationships, projects, times, ideas... and then you can try new ones!

21.11.2024 11:37 👍 347 🔁 60 💬 9 📌 5
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日本のオフィス市場のコナンドラム-賃貸・売買・J-REIT市場の不整合 日本のオフィスセクターでは市場間の不整合が顕著になっている。コロナ禍によるオフィス需要減少によってオフィス賃貸市場は調整局面を迎え、日本銀行の金融政策正常化に伴う金利上昇を受けてJ-REIT市場が軟調に推移している...

일본 현물부동산 시장과 J-REIT 시장의 격차가 벌어지며 해소될 기미가 없는 것에 대해 쓴 레포트를 읽었다. 코로나 이전에는 J-REIT가 선행하는 것처럼 보였으나 코로나 이후로는 아니게 되었다고 지적한다. 현물은 견조한데 J-REIT는 약세. 글에서 여러가지를 살펴보지만 그 부정합의 원인은 잘 모르겠다고 한다. www.nli-research.co.jp/report/detai...

22.09.2024 06:25 👍 2 🔁 1 💬 0 📌 0

로비까진 아니고 쇼핑몰들이 결제수수료를 절감하려해서그래용 해외카드결제수수료는 거의 두배차이나거든용

21.11.2024 11:32 👍 0 🔁 0 💬 1 📌 0

検索に使えるクエリーが増えたみたいですね。
・ lang:ja 指定したポスト言語のポストに絞る
・ since:YYYY-MM-DD 指定年月日からのポストに絞る
・ until:YYYY-MM-DD 指定年月日までのポストに絞る
・ mentions:@mimonelu.net 指定したユーザーへのメンションに絞る
・ domain:x.com 指定したドメインを含むリンクを持つポストに絞る
他にも色々定義はされてるんですが、現状実装されているのは上記のクエリーのみかな

13.04.2024 16:03 👍 726 🔁 455 💬 0 📌 4
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가디언, ‘머스크의 X’ 떠난다···트럼프 당선 후 탈퇴 러시 영국 일간 가디언이 일론 머스크 테슬라 최고경영자(CEO)가 소유한 사회관계망서비스(SNS) 엑스(옛 트위터)에 자사 콘텐츠를 게시하지 않겠다고 13일(현지시간) 밝혔다. 머스크가 도널드 트럼프 미국 대통령 당선인을 공개 지지한 후 시작된 ‘엑스 탈퇴’ 흐름은 최근 역대 최고 수준을 기록했다. 가디언은 이날 성명과 기사를 통해 “엑스에서 극우 음모론과...

엑스를 떠난 가디언도 블루스카이에 정착

@theguardian.com

18.11.2024 16:30 👍 76 🔁 166 💬 0 📌 0
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awslabs / mountpoint-s3 A simple, high-throughput file client for mounting an Amazon S3 bucket as a local file system.

awslabs / mountpoint-s3: A simple, high-throughput file client for mounting an Amazon S3 bucket as a local file system. ★4627 https://github.com/awslabs/mountpoint-s3

16.11.2024 15:17 👍 4 🔁 1 💬 0 📌 0
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pola-rs / polars Dataframes powered by a multithreaded, vectorized query engine, written in Rust

pola-rs / polars: Dataframes powered by a multithreaded, vectorized query engine, written in Rust ★30362 https://github.com/pola-rs/polars

16.11.2024 16:17 👍 4 🔁 1 💬 0 📌 0

제가 피드를 언어별로 가르고싶은데 혹시 하는법 아시나요 ㅋㅋㅋ ㅜ

16.11.2024 16:24 👍 0 🔁 0 💬 1 📌 0

don't miss out on sonda

10.11.2024 15:40 👍 21 🔁 4 💬 0 📌 0
Landing page for sonda with the main title saying "Universal visualizer and analyzer for JavaScript and CSS"

Landing page for sonda with the main title saying "Universal visualizer and analyzer for JavaScript and CSS"

Next on sonda's roadmap is proper documentation.

Besides explaining the library itself, it will include a knowledge base for troubleshooting tree-shaking issues, as there are surprisingly few resources that explain this in depth.

Do you have any questions about tree-shaking?

15.11.2024 20:38 👍 16 🔁 4 💬 2 📌 0

자사주소각은 욕먹을일은 아니지않나요..? ㅋㅋㅋㅋㅋ;;

15.11.2024 20:36 👍 0 🔁 0 💬 1 📌 0
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Bluesky says it won’t train AI on your posts It does use AI to power other parts of the platform, though.

Bluesky says it won’t train AI on your posts

15.11.2024 18:50 👍 1219 🔁 212 💬 29 📌 26

블루스카이 서버트래픽이 높거나, 계정을 아주아주 오래전에 만든 사람은 그리뜬다합니다

14.11.2024 15:32 👍 1 🔁 0 💬 0 📌 0
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🦋

05.11.2024 02:09 👍 175 🔁 20 💬 9 📌 5