What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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ํƒ€์ด ๋ผ์ด์˜จ ์—์–ด๊ฐ€ ํŠน๊ฐ€๋ฅผ ๋ฟŒ๋ฆฌ๋Š”๋ฐ, ์ด ๋–ก๋ฐฅ์„ ๋ฌผ์–ด์•ผ ํ•˜๋‚˜? ใ…‹ใ…‹ใ…‹;

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Gemini 3๊ณผ ํ•จ๊ป˜ ๋ฆฌ๋ˆ…์Šค ์ปค๋„ ์ฝ”๋“œ๋ฅผ ํƒํ—˜ํ•˜๊ณ  ์žˆ๋‹ค. vdso gettimeofday์™€ time์ด ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„์ด ๋‹ค๋ฅธ์ง€ ๊ถ๊ธˆํ•ด์„œ ์ฐพ์•„๋ณด๊ณ  ์žˆ๋‹ค. ๋ฌผ๋ก  ๋” ๊นŠ์ด ์•Œ ์‹œ๊ฐ„์€ ์—†๊ฒ ์ง€๋งŒ, LLM์ด ์•„๋‹ˆ์—ˆ๋‹ค๋ฉด ์ด๋Ÿฐ ๊ฑธ ๋“ค์—ฌ๋‹ค๋ณผ ์ƒ๊ฐ์กฐ์ฐจ ํ•˜์ง€ ๋ชปํ–ˆ๊ฒ ์ง€.

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Ouch! The most accurate standard of time in the USA has gone down!

Yup, a bunch of atomic clocks at the National Institute of Standards and Technology (NIST) in Boulder, Colorado may have lost power - and just to be safe, NIST has stopped broadcasting the time.

It's like someone took this "end times" business too literally.

Luckily NIST has other atomic clocks... and if those fail, there are plenty elsewhere, so we won't permanently lose track of time. But what about right now?

Anyone know the latest news? This report is from 5:18 pm December 19th, Pacific Standard Time:

lists.nanog.org/archives/list/

but if more news shows up, it may appear here:

groups.google.com/a/list.nist.

Dear colleagues,

In short, the atomic ensemble time scale at our Boulder campus has failed
due to a prolonged utility power outage. One impact is that the Boulder
Internet Time Services no longer have an accurate time reference. At time
of writing the Boulder servers are still available due a standby power
generator, but I will attempt to disable them to avoid disseminating
incorrect time.

The affected servers are:
time-a-b.nist.gov
time-b-b.nist.gov
time-c-b.nist.gov
time-d-b.nist.gov
time-e-b.nist.gov
ntp-b.nist.gov (authenticated NTP)

No time to repair estimate is available until we regain staff access and
power. Efforts are currently focused on obtaining an alternate source of
power so the hydrogen maser clocks survive beyond their battery backups.

More details follow.

Due to prolonged high wind gusts there have been a combination of utility
power line damage and preemptive utility shutdowns (in the interest of
wildfire prevention) in the Boulder, CO area. NIST's campus lost utility
power Wednesday (Dec. 17 2025) around 22:23 UTC. At time of writing utility
power is still off to the campus. Facility operators anticipated needing to
shutdown the heat-exchange infrastructure providing air cooling to many
parts of the building, including some internal networking closets. As a
result, many of these too were preemptively shutdown with the result that
our group lacks much of the monitoring and control capabilities we
ordinarily have.
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็ทดๅญ— - ๅ†ฌ่‡ณ Winter Solstice

้‚ฏ้„ฒๅ†ฌ่‡ณๅคœ by ็™ฝๅฑ…ๆ˜“

้‚ฏ้„ฒ้ฉ›้‡Œ้€ขๅ†ฌ่‡ณ๏ผŒๆŠฑ่†็‡ˆๅ‰ๅฝฑไผด่บซใ€‚
ๆƒณๅพ—ๅฎถไธญๅคœๆทฑๅ๏ผŒ้‚„ๆ‡‰่ชช่‘—้ ่กŒไบบใ€‚

ใ€Šๅปฟๅ››็ฏ€ๆฐฃ The 24 Solar Termsใ€‹
_________________
ๅธธ็”จ้ต็›ค๏ผŒๅŸท็ญ†ๅฟ˜ๅญ—๏ผŒๅ”ฏๆœ‰็‰นๅญ—็‰นๅฏซใ€‚

่ซ‹ๅŠ ๅ…ฅๆˆ‘็š„LikeCoin่ฎš่ณžๅ…ฌๆฐ‘๏ผŒ่ฌ่ฌ๏ผ
liker.land/tcpangraphy/civic

ๆ›ดๅคš็›ธ็‰‡ๅˆ†ไบซๅฏๅœจๆญค่ง€็œ‹๏ผš
instagram.com/calligraphieprac
instagram.com/tcpangraphy/
instagram.com/tcpang/
facebook.com/tcpangraphy

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While it's cool and good that a bunch of mathematicians are experimenting with proof assistants, I'm very confident that one of the biggest consequences is that 20 years in the future, it will finally be sufficiently understood how to write a dependent typechecker, and a bunch of mathematicians are going to learn the hard way the meaning of the term "technical debt"

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Thanks to the Steam winter sale the fam has picked up a bunch of new (to us) games.

First up is Baba is You which has been on my wishlist for a while.

Only a few levels in, but so far itโ€™s been great! Its absolutely adorable and makes my brain hurt in the fun way ๐Ÿ˜†

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๐Ÿ”’ Security Release: BotKit 0.3.1

We've released BotKit 0.3.1 with an important security fix.

This update addresses CVE-2025-68475 (High severity, CVSS 7.5), a ReDoS vulnerability in Fedify's HTML parsing that could cause denial of service.

If you're using BotKit 0.3.x, please upgrade to 0.3.1 as soon as possible.

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I'm starting a series of blog posts, in which I write a and a for arithmetic in . We explore the following topics in the series:

- Parsing arithmetic expressions to ASTs.
- Compiling ASTs to bytecode.
- Interpreting ASTs.
- Efficiently executing bytecode in a VM.
- Disassembling bytecode and decompiling opcodes for debugging and testing.
- Unit testing and property-based testing for our compiler and VM.
- Benchmarking our code to see how the different passes perform.
- All the while keeping an eye on performance.

The first post of the series that focuses on writing the is now out: abhinavsarkar.net/posts/arithm

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็ช็„ถๆœ‰้ปžๆƒณ่ฒท้–‹ๆ”พๅนณๅฐ็š„้›ปๅญ้–ฑ่ฎ€ๅ™จ
ไฝ†็™ผ็พ้€™ๅ€‹ๅธ‚ๅ ดไนŸๅคชๅƒๅทฎโ€ฆ

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์ˆ˜ํ•™๊ณผ๊ฐ€ ์ œ์ผ ์ข‹์€๊ฒŒ ๊ต์ˆ˜๋‹˜๋“ค๋„ ์ž์‹ ์ด ์ข‹์•„ํ•˜๋Š” ์ˆ˜ํ•™์— ๊ด€ํ•ด์„  ์–ด๋ฆฐ์•„์ด๊ฐ™์ด ๋™์‹ฌ๊ณผ ์—ด์ •์„ ๊ฐ€์ง€๊ณ ์žˆ๊ณ  ๋ˆˆ ๋ฐ˜์ง์ด์‹œ๊ณ ... ๊ทธ๋ž˜์„œ ๋˜๊ฒŒ ๊ต์ˆ˜๋ž‘ ์นœ๊ตฌ์ฒ˜๋Ÿผ ์ง€๋‚ผ ์ˆ˜ ์žˆ๊ตฌ์š”
์‹คํ—˜์œ„์ฃผ๊ฐ€ ์•„๋‹ˆ๋‹ค๋ณด๋‹ˆ, ๋…ธ๋ ฅํ•œ๋งŒํผ ์—„์ฒญ ๋นจ๋ฆฌ ์˜ฌ๋ผ๊ฐˆ์ˆ˜ ์žˆ๊ณ ...

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