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

https://openciv3.org/
487•klaussilveira•7h ago•130 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
828•xnx•13h ago•495 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
48•matheusalmeida•1d ago•5 comments

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

https://github.com/valdanylchuk/breezydemo
163•isitcontent•8h ago•18 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
104•jnord•4d ago•15 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
159•dmpetrov•8h ago•74 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
57•quibono•4d ago•10 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
267•vecti•10h ago•127 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
334•aktau•14h ago•161 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
216•eljojo•10h ago•136 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
329•ostacke•13h ago•87 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
31•kmm•4d ago•1 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
418•todsacerdoti•15h ago•220 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
9•denuoweb•1d ago•0 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
8•romes•4d ago•1 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
349•lstoll•14h ago•245 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
55•phreda4•7h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
205•i5heu•10h ago•150 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
117•vmatsiiako•12h ago•43 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
155•limoce•3d ago•79 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
30•gfortaine•5h ago•4 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
12•gmays•3h ago•2 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
254•surprisetalk•3d ago•32 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1008•cdrnsf•17h ago•421 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
50•rescrv•15h ago•17 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
83•ray__•4h ago•40 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
41•lebovic•1d ago•12 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
78•antves•1d ago•59 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
32•betamark•15h ago•28 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
41•nwparker•1d ago•11 comments
Open in hackernews

Dear HN. Please make the Hacker News header stick to the top of the browser

6•cbeach•4mo ago
Dear HN team - please add the following styles to the top <tr> of the Hacker News UI so the header bar sticks to the top of the browser as we scroll down:

    position: sticky;
    top: 0;
    z-index: 10;

Comments

markus_zhang•4mo ago
Please don't. It reduces size and it's not far to pull up quickly.

Please make an option to turn it off if it is to be implemented.

collingreen•4mo ago
Dear HN, please encourage more user control over the web instead. Wouldn't it be nice if it was easy to do this from within your own individual browser?

There are plenty of extensions and such to let you do stuff but it would be cool if it became easy and normal and built in for users to adjust and control their experience instead of all the ad- and spyware nonsense.

TheCleric•4mo ago
No thanks.
denkmoon•4mo ago
No thanks. You can do it client side if you care. Are you not a hacker?
Bender•4mo ago
This could probably be done in uBlock in My Filters.
anfractuosity•4mo ago
Yup the following seemed to work for me -

news.ycombinator.com###hnmain > tbody > tr:first-child:style( position: sticky; top: 0; z-index: 10;)

Bender•4mo ago
Confirmed that works here.
wizzwizz4•4mo ago
Why do you need z-index?

  /* ==UserStyle==
  @name           HN sticky topbar
  @namespace      https://news.ycombinator.com/user?id=wizzwizz4
  @version        1.0.0
  @description    Pins the HN topbar to the top of the viewport.
  @author         wizzwizz4
  ==/UserStyle== */
  
  @-moz-document domain("news.ycombinator.com") {
      #hnmain > tbody > tr:first-child {
          position: sticky;
          top: 0;
      }
  }
https://addons.mozilla.org/firefox/addon/styl-us/
wizzwizz4•4mo ago
Adding a z-index was a hack to workaround the .rotate180 class creating a new stacking context, causing downvotes to be rendered over the sticky topbar. This is hella overengineered. https://news.ycombinator.com/triangle.svg is 131 bytes!

  <svg height="32" viewBox="0 0 32 16" width="32" xmlns="http://www.w3.org/2000/svg"><path d="m2 27 14-29 14 29z" fill="#999"/></svg>
Meanwhile, the relevant section of https://news.ycombinator.com/news.css is much larger:

  .rotate180 {
    -webkit-transform: rotate(180deg);  /* Chrome and other webkit browsers */
    -moz-transform:    rotate(180deg);  /* FF */
    -o-transform:      rotate(180deg);  /* Opera */
    -ms-transform:     rotate(180deg);  /* IE9 */
    transform:         rotate(180deg);  /* W3C complaint browsers */
  
    /* IE8 and below */
    -ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=-1, M12=0, M21=0, M22=-1, DX=0, DY=0, SizingMethod='auto expand')";
  }
Just having a separate triangleup.svg and triangledown.svg would save bandwidth and rendering time, and make naïvely-written userstyles work properly! I thought Hacker News, of all websites, would be free from dodgy overengineered CSS…
wizzwizz4•4mo ago
This should be easy, but data URIs are fighting me. I've shoved another image there instead. Maybe someone else can get this working properly?

  /* ==UserStyle==
  @name           HN sticky topbar
  @namespace      https://news.ycombinator.com/user?id=wizzwizz4
  @version        1.1.0-alpha
  @description    Pins the HN topbar to the top of the viewport.
  @author         wizzwizz4
  ==/UserStyle== */
  
  @-moz-document domain("news.ycombinator.com") {
      #hnmain > tbody > tr:first-child {
          position: sticky;
          top: 0;
      }
      .votearrow.rotate180 {
        transform: none;
        background-image: url(y18.svg);
      }
  }
MBCook•4mo ago
Why do people like this so much? It seems every web site does it these days and I HATE it personally.

It takes up precious screen space for something that isn’t useful enough to need to be on screen constantly. And I can always just tap the top of the screen to jump to the top in a fraction of a second.

hysan•4mo ago
Also voicing my opinion to please not do this. As a small phone + large font user, this would greatly reduce the amount of screen real estate. I think it would be a backwards step in accessibility for those with sight problems.
slater•4mo ago
I threw this together a while back, use with Stylus extension[0]: https://pastebin.com/WzjQJ1Zp

[0] https://addons.mozilla.org/en-US/firefox/addon/styl-us/ (Firefox)

[1] https://chromewebstore.google.com/detail/stylus/clngdbkpkpee... (Chrome)