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Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
147•yi_wang•5h ago•46 comments

Haskell for all: Beyond agentic coding

https://haskellforall.com/2026/02/beyond-agentic-coding
69•RebelPotato•4h ago•16 comments

Bye Bye Humanity: The Potential AMOC Collapse

https://thatjoescott.com/2026/02/03/bye-bye-humanity-the-potential-amoc-collapse/
51•rolph•3h ago•39 comments

SectorC: A C Compiler in 512 bytes (2023)

https://xorvoid.com/sectorc.html
262•valyala•13h ago•51 comments

Total surface area required to fuel the world with solar (2009)

https://landartgenerator.org/blagi/archives/127
29•robtherobber•4d ago•21 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
206•mellosouls•15h ago•355 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
170•surprisetalk•12h ago•163 comments

LLMs as the new high level language

https://federicopereiro.com/llm-high/
73•swah•4d ago•125 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
76•gnufx•11h ago•59 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
183•AlexeyBrin•18h ago•35 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
175•vinhnx•16h ago•17 comments

Why there is no official statement from Substack about the data leak

https://techcrunch.com/2026/02/05/substack-confirms-data-breach-affecting-email-addresses-and-pho...
26•witnessme•2h ago•6 comments

The Architecture of Open Source Applications (Volume 1) Berkeley DB

https://aosabook.org/en/v1/bdb.html
7•grep_it•5d ago•0 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
325•jesperordrup•23h ago•98 comments

First Proof

https://arxiv.org/abs/2602.05192
136•samasblack•15h ago•81 comments

Vouch

https://twitter.com/mitchellh/status/2020252149117313349
74•chwtutha•3h ago•18 comments

Wood Gas Vehicles: Firewood in the Fuel Tank (2010)

https://solar.lowtechmagazine.com/2010/01/wood-gas-vehicles-firewood-in-the-fuel-tank/
33•Rygian•2d ago•8 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
85•momciloo•12h ago•17 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
108•thelok•14h ago•24 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
587•theblazehen•3d ago•212 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
41•mbitsnbites•3d ago•5 comments

FDA intends to take action against non-FDA-approved GLP-1 drugs

https://www.fda.gov/news-events/press-announcements/fda-intends-take-action-against-non-fda-appro...
112•randycupertino•8h ago•239 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
311•1vuio0pswjnm7•19h ago•494 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
235•limoce•4d ago•125 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
159•speckx•4d ago•244 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
907•klaussilveira•1d ago•277 comments

Microsoft account bugs locked me out of Notepad – Are thin clients ruining PCs?

https://www.windowscentral.com/microsoft/windows-11/windows-locked-me-out-of-notepad-is-the-thin-...
147•josephcsible•10h ago•186 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
304•isitcontent•1d ago•39 comments

Selection rather than prediction

https://voratiq.com/blog/selection-rather-than-prediction/
35•languid-photic•4d ago•16 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
497•lstoll•1d ago•331 comments
Open in hackernews

How the tz database works (2020)

https://yatsushi.com/blog/tz-database/
82•jumbosushi•5mo ago

Comments

wodenokoto•4mo ago
Is the author using `/ #` as the prompt string? I find the commandline sections hard to read.
johannes1234321•4mo ago
If you look at the first command - there he switches into a docker container, where archlinux seems to use that as root prompt.
arccy•4mo ago
sounds reasonable: `#` is the standard prompt marker when you're root, `/` is the path they're currently at.
chaidhat•4mo ago
Took a class with professor Paul Eggert at UCLA, the person who maintains this db. Super chill dude. In his exams, he makes sure to add a question he doesn't know the answer to himself.
shagie•4mo ago
I've found the comments in the database files (e.g. North America https://github.com/eggert/tz/blob/main/northamerica ) to be an interesting documentation of the history of the definition of time for various areas. For example, Indiana https://github.com/eggert/tz/blob/main/northamerica#L846
ape4•4mo ago
Since nobody else has posted it...

https://xkcd.com/2347/

adolph•4mo ago
explainxkcd is timing out, probably from all of HN checking their recollections that 2347 was about the tzdb.

https://www.explainxkcd.com/wiki/index.php/2347:_Dependency

dahauns•4mo ago
It's not really applicable here, though - being an official IETF/ICANN/IANA joint.

I mean, it has its own RFC called "Procedures for Maintaining the Time Zone Database": https://www.rfc-editor.org/rfc/rfc6557

I'd say that's as far from "some random person in Nebraska" as you can get...

(And if you'd do a representative survey among developers having had to deal with time zone shenanigans, I'm fairly certain "thanklessly" won't hold either :) )

knagy•4mo ago
One interesting thing I learned while I tried to handle local time and NTP on a Raspberry Pico is that the TZ environment variable (that's usually something like "Etc/UTC" pointing to a zoneinfo file) can contain a TZ config as well, like "CET-1CEST,M3.5.0/2,M10.5.0/3". [1]

[1] https://sourceware.org/glibc/manual/2.42/html_node/TZ-Variab...

jjice•4mo ago
Great write up. This is very informative. Yet another thing I've taken for granted and hope to continue to take for granted because it generally just works and the bugs are my own.
jlev•4mo ago
This change https://github.com/eggert/tz/commit/baea52df7ac9c4b53857556f... was a huge pain in my ass in 2013.

I was working in Libya on voter registration tools with the UN and the High National Election Commission. The government decided to not implement a planned TZ change, and didn't inform the public until the day of. Not the hardest thing we dealt with, that was a full country internet shutoff by a mob outside our data centre (https://www.bbc.com/news/world-africa-25481794). Sometimes the politics of a project are more complicated than the technology...

We did implement an all-SMS voter registration system, which was pretty cool. Hasn't been used much since, but it's all open source. https://github.com/hnec-vr

ta1243•4mo ago
> I was working in Libya

Complete tangent, but I don't think many Americans know this (I'm assuming you're an American)

If you aren't American, you now are now ineligible to go to America as a tourist without an expensive hasslesome visit to a US embassy. (No online ESTA)

I have friends that have gone to countries like Libya, and Syria to do similar international work. An British engineer I know recently went to Syria for a few days.

I pointed out that he is no longer allowed to go to the US without going to the embassy for a visa. He's ineligible for an ESTA.

He said "fine, work will have to pay for it".

I then pointed out this is for the rest of his life. He regularly holidays in Florida. He might leave the media or change jobs so they no longer pay for a visa.

I've been asked to go to Iraq in the past, but I've said no because of this. Was a very expensive weekend for my friend.

Another friend is in the British Army, he's gone to various places as part of both British and NATO deployment, not using his personal passport - but using travel orders. He managed to avoid going to Iraq which is lucky for him, means he can still get an ESTA.

jlev•4mo ago
I am an American, and most of the other folks on the project were as well. I did go through an interview with Customs officers when I returned to the US, but it didn't affect my ability to use GlobalEntry. I don't have clearance, but it might cause questions if I did apply for that in the future.

I've also been to Syria as a tourist several times, and at one point had to maintain a second passport for visiting Israel or the West Bank. You can't travel to most of the Arab world if you have Israeli stamps, but you can get another book from the US to keep them separate.

Sorry for your friend. Borders are bullshit.

ta1243•4mo ago
Second passport is fine, but they stopped stamping at Tel Aviv many years ago. I still got a stamp last time I went to gaza, but that was about a decade ago and pre current passport. Obviously not a concern now)
elAhmo•4mo ago
Many Americans (and non-Americans) also don't know that not all countries are supported with ESTA. So, for me, being a citizen of a '3rd world country' in Europe, I have to visit the embassy.

Although I am resident in EU and haven't been to any of those 'flagged' countries.

foresto•4mo ago
Obligatory Tom Scott video:

https://www.youtube.com/watch?v=-5wpm-gesOY