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Slint: Cross Platform UI Library

https://slint.dev/
1•Palmik•2m ago•0 comments

AI and Education: Generative AI and the Future of Critical Thinking

https://www.youtube.com/watch?v=k7PvscqGD24
1•nyc111•2m ago•0 comments

Maple Mono: Smooth your coding flow

https://font.subf.dev/en/
1•signa11•3m ago•0 comments

Moltbook isn't real but it can still hurt you

https://12gramsofcarbon.com/p/tech-things-moltbook-isnt-real-but
1•theahura•7m ago•0 comments

Take Back the Em Dash–and Your Voice

https://spin.atomicobject.com/take-back-em-dash/
1•ingve•7m ago•0 comments

Show HN: 289x speedup over MLP using Spectral Graphs

https://zenodo.org/login/?next=%2Fme%2Fuploads%3Fq%3D%26f%3Dshared_with_me%25253Afalse%26l%3Dlist...
1•andrespi•8m ago•0 comments

Teaching Mathematics

https://www.karlin.mff.cuni.cz/~spurny/doc/articles/arnold.htm
1•samuel246•11m ago•0 comments

3D Printed Microfluidic Multiplexing [video]

https://www.youtube.com/watch?v=VZ2ZcOzLnGg
2•downboots•11m ago•0 comments

Abstractions Are in the Eye of the Beholder

https://software.rajivprab.com/2019/08/29/abstractions-are-in-the-eye-of-the-beholder/
2•whack•11m ago•0 comments

Show HN: Routed Attention – 75-99% savings by routing between O(N) and O(N²)

https://zenodo.org/records/18518956
1•MikeBee•11m ago•0 comments

We didn't ask for this internet – Ezra Klein show [video]

https://www.youtube.com/shorts/ve02F0gyfjY
1•softwaredoug•12m ago•0 comments

The Real AI Talent War Is for Plumbers and Electricians

https://www.wired.com/story/why-there-arent-enough-electricians-and-plumbers-to-build-ai-data-cen...
2•geox•15m ago•0 comments

Show HN: MimiClaw, OpenClaw(Clawdbot)on $5 Chips

https://github.com/memovai/mimiclaw
1•ssslvky1•15m ago•0 comments

I Maintain My Blog in the Age of Agents

https://www.jerpint.io/blog/2026-02-07-how-i-maintain-my-blog-in-the-age-of-agents/
3•jerpint•16m ago•0 comments

The Fall of the Nerds

https://www.noahpinion.blog/p/the-fall-of-the-nerds
1•otoolep•17m ago•0 comments

I'm 15 and built a free tool for reading Greek/Latin texts. Would love feedback

https://the-lexicon-project.netlify.app/
2•breadwithjam•20m ago•0 comments

How close is AI to taking my job?

https://epoch.ai/gradient-updates/how-close-is-ai-to-taking-my-job
1•cjbarber•20m ago•0 comments

You are the reason I am not reviewing this PR

https://github.com/NixOS/nixpkgs/pull/479442
2•midzer•22m ago•1 comments

Show HN: FamilyMemories.video – Turn static old photos into 5s AI videos

https://familymemories.video
1•tareq_•24m ago•0 comments

How Meta Made Linux a Planet-Scale Load Balancer

https://softwarefrontier.substack.com/p/how-meta-turned-the-linux-kernel
1•CortexFlow•24m ago•0 comments

A Turing Test for AI Coding

https://t-cadet.github.io/programming-wisdom/#2026-02-06-a-turing-test-for-ai-coding
2•phi-system•24m ago•0 comments

How to Identify and Eliminate Unused AWS Resources

https://medium.com/@vkelk/how-to-identify-and-eliminate-unused-aws-resources-b0e2040b4de8
3•vkelk•25m ago•0 comments

A2CDVI – HDMI output from from the Apple IIc's digital video output connector

https://github.com/MrTechGadget/A2C_DVI_SMD
2•mmoogle•25m ago•0 comments

CLI for Common Playwright Actions

https://github.com/microsoft/playwright-cli
3•saikatsg•26m ago•0 comments

Would you use an e-commerce platform that shares transaction fees with users?

https://moondala.one/
1•HamoodBahzar•28m ago•1 comments

Show HN: SafeClaw – a way to manage multiple Claude Code instances in containers

https://github.com/ykdojo/safeclaw
3•ykdojo•31m ago•0 comments

The Future of the Global Open-Source AI Ecosystem: From DeepSeek to AI+

https://huggingface.co/blog/huggingface/one-year-since-the-deepseek-moment-blog-3
3•gmays•32m ago•0 comments

The Evolution of the Interface

https://www.asktog.com/columns/038MacUITrends.html
2•dhruv3006•33m ago•1 comments

Azure: Virtual network routing appliance overview

https://learn.microsoft.com/en-us/azure/virtual-network/virtual-network-routing-appliance-overview
3•mariuz•33m ago•0 comments

Seedance2 – multi-shot AI video generation

https://www.genstory.app/story-template/seedance2-ai-story-generator
2•RyanMu•37m ago•1 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