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

https://openciv3.org/
546•klaussilveira•9h ago•153 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
872•xnx•15h ago•527 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
78•matheusalmeida•1d ago•16 comments

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

https://github.com/valdanylchuk/breezydemo
186•isitcontent•10h ago•23 comments

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

https://github.com/pydantic/monty
189•dmpetrov•10h ago•84 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
10•videotopia•3d ago•0 comments

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

https://vecti.com
298•vecti•12h ago•133 comments

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

https://github.com/microsoft/litebox
347•aktau•16h ago•169 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
73•quibono•4d ago•16 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
343•ostacke•16h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
441•todsacerdoti•18h ago•226 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
16•romes•4d ago•2 comments

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

https://eljojo.github.io/rememory/
240•eljojo•12h ago•148 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
44•kmm•4d ago•3 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
378•lstoll•16h ago•256 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
5•helloplanets•4d ago•1 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
222•i5heu•13h ago•168 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
97•SerCe•6h ago•78 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 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...
20•gmays•5h ago•3 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•83 comments

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

https://github.com/phreda4/r3
63•phreda4•9h ago•11 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
129•vmatsiiako•15h ago•56 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
40•gfortaine•7h ago•11 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
261•surprisetalk•3d ago•35 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/
1032•cdrnsf•19h ago•428 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
6•neogoose•2h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
56•rescrv•17h ago•19 comments

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

https://docs.smooth.sh/cli/overview
85•antves•1d ago•62 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
20•denysonique•6h ago•3 comments
Open in hackernews

Command K Bars

https://maggieappleton.com/command-bar
21•Brajeshwar•3w ago

Comments

mikey_p•3w ago
The problem with this pattern is that command-k was already a commonly used shortcut for creating a link, which meant that products like Slack had to find something new for making a link so they overloaded paste which is super broken as a result.
amitp•3w ago
Also, emacs M-x from 1980 or maybe TECO's extended command from 1978 (learned these from Bobbie Chen who wrote https://digitalseams.com/blog/why-do-sublime-text-and-vs-cod...)
benvan•3w ago
Some fun history on how the cmd-k shortcut came to be:

https://ux.stackexchange.com/a/153937

mikey_p•3w ago
So I'm right to blame Slack for overloading an already existing shortcut??!? I've always blamed Slack, but I didn't know it actually was Slack that started this madness.
bobbiechen•3w ago
Too humble to mention that you're the creator :) thank you Ben! In my opinion, Slack is the application that really popularized the command bar/palette in the mainstream.
wink•3w ago
Popularized, probably true. But now I wonder which (maybe default?) keybinds I had for this in tiling window managers before Slack existed. And no clue when and how OS X introduced cmd-space.
crtasm•3w ago
It's so frustrating when websites hijack this shortcut.
netghost•3w ago
I'll just mention that if you follow the link and read the article, linger a while.

Maggie Appleton's site is delightfully designed and thoughtful written. There are a ton of wonderful articles to enjoy there.

chrismorgan•3w ago
> By stashing infrequently-used items in a command bar like this, […] You don’t need to add that extra toolbar or layer of menu items.

I’m concerned, from this description, about people putting features only in a command palette, and rendering features completely undiscoverable.

This is one of the big problems of Windows’ Start Menu ever since Vista. In XP, you could find all your programs easily. Vista kinda hid them, and Windows 8 hid them a little more, and 11 hid them a lot more. They’re still there, but honestly difficult to find.

So please make sure your features are still discoverable.

Also remember that a lot of users are shockingly bad at typing. Command bars are a power user feature.

cosmic_cheese•3w ago
This is one of the reasons why I’m a super fan of the macOS global menubar.

It’s always present and cannot be hidden by app developers, and so there’s no reason to not populate it, and thus the menubar serves as a consistently available master index of the program’s functions. That alone makes it invaluable.

chrismorgan•3w ago
I’m extremely disappointed Ubuntu gave up on Unity. It had the same basic concept, and menus being searchable was so good. GNOME’s determined direction (Adwaita) is so dumb for anything but small, simple apps. Just hopelessly bad.

Mind you, app-defined command palettes can be better than a global one because they can provide more information and context and augment it with other widgets as appropriate. The best command palettes are not just a searchable version of the menu, they add more.

cosmic_cheese•3w ago
I think probably app-defined palettes and a global menu is best possible combo.

The app-defined palette enables more rich functionality as you’ve mentioned, while the system-owned global menu provides a consistent way to see everything an app is capable of without hunting and pecking through the palette. The menu also serves as a unified API for assistive and automation technology to interact with software and allows users to choose how the menus are displayed (don’t like a top-aligned menubar? Cool, your desktop can present it as window attached menus, a pie menu, or NeXT style floating menus or anything else you can imagine).

zapzupnz•3w ago
Those who undervalue this don’t realise that the Mac menu bar is also the standard mechanism for defining keyboard shortcuts; as long as it has an entry in the menu bar, it can have keyboard shortcuts assigned and even reassigned from System Settings.

There’s incentive for the menu bar to be properly populated with all the functions that a program offers. Mac users expect it.

Compare with non-standard Mac apps (mainly Electron apps or ports from other OS), modern Windows apps, and many Linux apps where the menu bar is often a second class citizen or completely absent, leaving you to the whims of the developer rather than enjoying conformance to a system-wide standard.

cosmic_cheese•3w ago
Yep. Nothing screams “phoned in” like a Mac app with an empty menubar.
zapzupnz•3w ago
And nothing screams "has never had the pleasure" like a Windows or Linux user who says "who cares if there's no menu bar?" ;-)
WithinReason•3w ago
PowerToys is the Windows equivalent
bitwize•3w ago
I'm glad to see that other software companies had recognized the power of M-x, which had been in Emacs since before GNU Emacs.

Now if only they'd understand the power of immediate, pervasive extensibility in Lisp (Autodesk did!).

iLemming•3w ago
If humans gravitated towards choosing logical paths instead of following emotions, they would be equally miserable, with the difference of added awareness - they'd still be miserable yet know why.

It makes me sad to watch how some of the smartest and most resourceful programmers on the planet just keep ignoring the immense power, liberation, and joy that knowing some Lisp can grant you. Reminds me the quote from Idiocracy - "for the smartest guy in the world, you're pretty dumb sometimes"...

n8cpdx•3w ago
How did these come to be associated with command-k and not command-p, which is the more common association at least for developer tools (chrome, vs code, sublime, figma, obsidian)? Command P makes sense since it is a Palette. Maybe it is just a weird quirk that all developer-facing tools use one binding while tools for the hoi polloi use the other.

Particularly offensive to try to name the whole concept after Slack’s default keybinding.

treetalker•3w ago
I think most people associate ⌘P with printing.
wink•3w ago
Half of the things you mentioned only came out after 2014. My Chrome wants to print with Comamnd-P.

But I'm not disagreeing in principle, I personally use so many of these fuzzy search things in so many apps, all with different keybinds (which is maddening in another way) - and maybe that's just the objectively most well-known one?

n8cpdx•3w ago
You’re right command-p prints in the common view, but opens command palette in devtools. That actually catches me out pretty frequently if I forget I moved focus.
netghost•3w ago
Did you know that macos has had a per application menu that does this for years?

In most apps, press "cmd-shift ?" And you will activate the help search. I know, I know. We don't need help, but the other thing it does is reveal menu items from the native menubar.

It's great for finding fiddly commands in complex native apps.