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New York bans state employees from insider trading on prediction markets

https://www.wired.com/story/new-york-bans-government-employees-prediction-markets/
1•jmsflknr•1m ago•0 comments

Why Gen AI Isn't Quite Cost-Effective at Creating 3D Game Worlds

https://wjamesau.substack.com/p/why-gen-ai-isnt-quite-cost-effective
1•SLHamlet•2m ago•0 comments

The Mystery of the Giant Blobs at the Center of the Earth

https://nautil.us/the-mystery-of-the-giant-blobs-at-the-center-of-the-earth-1280082
1•Brajeshwar•2m ago•0 comments

How to program computers (kos) [video]

https://www.youtube.com/watch?v=kTrOg19gzP4
1•tosh•2m ago•0 comments

Compiler Jokes

https://bitsrc.org/blog/posts/compiler-jokes.html
1•kouosi•3m ago•0 comments

EML compresses calculator syntax; Phase Calculus places it one layer downstream

1•jlietz93•3m ago•0 comments

Trees of New York City

https://tree-map.nycgovparks.org/tree-map/neighborhood/177
1•jackconsidine•3m ago•0 comments

Show HN: We built Cursor, but for data transformations [Open Source]

https://github.com/zipstack/visitran
1•naren87•5m ago•0 comments

New Kind of Paper (2021)

https://mlajtos.mu/posts/new-kind-of-paper
1•tosh•6m ago•0 comments

I almost signed a lease that would have cost me thousands

https://goleazly.com/
1•pomberito•7m ago•0 comments

What if we start to draw inspiration from nature's greatest machine?

https://eversoleken.substack.com/p/signaling-is-the-intelligence
1•kennethops•7m ago•1 comments

Show HN: DrakeAI – AI expense tracker you log by texting (iOS and Android)

https://apps.apple.com/us/app/drakeai/id6762331893
1•a_protsyuk•8m ago•0 comments

Google's 8th Generation TPUs Power the Agentic Era [video]

https://www.youtube.com/watch?v=Ocf7EYHmmzo
1•sam1234apter•10m ago•0 comments

Show HN: A Swift Payment message validator built from Swift Standard rules

https://cbprstar.com/
1•phoughton•12m ago•0 comments

Live hooks – simple missing patterns for predictable hooks in async React code

https://github.com/Taltzipi/live-hooks
1•taldavidson•12m ago•1 comments

Building design system components with agent teams

https://www.kaelig.fr/design-system-components-with-ai-agent-teams/
1•kaelig•12m ago•0 comments

Physicists think they've solved the muon mystery

https://arstechnica.com/science/2026/04/physicists-think-theyve-solved-the-muon-mystery/
1•nobody9999•13m ago•0 comments

Show HN: Clawrium – A CLI for managing AI agent fleet across multiple instances

https://ric03uec.github.io/clawrium/
2•devashish86•14m ago•1 comments

Ask HN: Do financial stakes improve long-term consistency?

https://proofly.migliorarecorp.com/
1•talhaahsan•15m ago•0 comments

Markdown (Aaron Swartz: The Weblog)

http://www.aaronsw.com/weblog/001189
1•birdculture•17m ago•0 comments

Surveillance Pricing: Exploiting Information Asymmetries

https://lpeproject.org/blog/surveillance-pricing-exploiting-information-asymmetries/
1•cainxinth•18m ago•0 comments

I Forked 4 CLI coding agents to Run the Same Model. I found a 2x gap

https://charlesazam.com/blog/deepdive-benchmark/
1•grokx•18m ago•0 comments

New electric cars now cheaper than petrol models for first time in UK

https://www.evinfrastructurenews.com/emobility/new-electric-cars-now-cheaper-than-petrol-models-f...
1•MBCook•18m ago•0 comments

Agent Vault: The Open Source Credential Proxy and Vault for Agents

https://infisical.com/blog/agent-vault-the-open-source-credential-proxy-and-vault-for-agents
1•vmatsiiako•20m ago•0 comments

Startups Can Beat Big AI Labs

https://modular.cloud/blog/how-startups-can-beat-big-ai-labs
1•liamcardenas•20m ago•0 comments

Anker made its own chip to bring AI to all its products

https://www.theverge.com/tech/916463/anker-thus-chip-announcement
4•Brajeshwar•20m ago•0 comments

Sauce Co Prego Sparks Privacy Concerns After Device Launch to Record Mealtimes

https://www.inkl.com/news/prego-sparks-privacy-concerns-after-launching-a-device-designed-to-reco...
1•randycupertino•23m ago•0 comments

Mathematically Correct Breakfast

https://www.georgehart.com/bagel/bagel.html
1•_Microft•23m ago•0 comments

Count Your Blessings, but Count Carefully

https://www.raptitude.com/2026/04/count-your-blessings-but-count-carefully/
1•crescit_eundo•24m ago•0 comments

The Download: Introducing the Things That Matter in AI

https://www.technologyreview.com/2026/04/22/1136310/the-download-10-things-that-matter-in-ai-righ...
1•joozio•25m ago•0 comments
Open in hackernews

Show HN: Dexter – an opinionated day planner for Mac

https://dexterplanner.com/
17•cvburgess•11mo ago
Hey HN, Dexter is a day planner I built for Mac (and web).

This was a grief project. Some people make art when they're soul searching, and making apps has always been a bit of an artistic outlet for me. Earlier this year my mother committed suicide and two weeks later the company I worked for laid off my entire division. After taking some time to grieve and process I started building something just for me, just for fun, just because I wanted to.

Dexter has been a slow project that started as paper sketches at my kitchen table and slowly morphed into a codebase. It allowed me to play with tools I wanted to get better at like Postgres and Typescript while also letting me try (and in some cases fail) experimenting with new-to-me tools like Tailwind, Supabase, Tauri, Electron, and Vite.

Small portions of the app and site were "vibe coded", but 99% is hand-crafted code (not necessarily good code), graphics, and data models. This was meant to be a fun project where I learned things just because I wanted to learn something, not a race to see how fast I could grind out a product.

For an example of "unnecessary but fun", I made each SVG on the marketing site twice with Figma - once in a light theme and again in a dark theme - so if you toggle your OS's dark mode, everything should change, even the images.

A few things about the app:

- Yeah, I know, it's an Electron app. I tried using Tauri and other tools but hit a few snags. The Electron ecosystem was incredibly mature and easy to use in comparison

- The app is open source [0] and so is the marketing site [1]

- Some friends and I have been using it daily for a few months and really enjoy it compared to our old multi-tool workflows

- Dexter is the name of my 12(?) year old husky, hence the dog branding

- There is a pricing widget on the marketing site but the app is currently totally free. I might integrate Stripe soon if (and only if) that feels like a fun project, but the goal isn't to get rich or even turn a profit, it's to have fun and build something genuinely useful that I use every day

There are a bunch of features I would love to add and enhancements I would like to make, and eventually I will. Currently, I pick up a feature just because it sounds fun that day and I put it down when it is no longer fun. It might not be a good business model, but it has been a wonderful antidote to an industry rife with burnout and a personal life that's been a little out of control.

I hope you enjoy it and maybe build something for yourself, just because it sounds fun.

If anyone gives it a try I will be in the comments today and happy to answer any questions!

[0] https://github.com/cvburgess/dexter-app

[1] https://github.com/cvburgess/dexter-www

Comments

saltcod•11mo ago
Sorry to hear about the inspiration for this. It's very nicely done. Great work.
cvburgess•11mo ago
Thank you so much <3
DevDad_io•11mo ago
Very clean UI, well done!
cvburgess•11mo ago
Thank you!

I got to dust off some old UX skills that haven't been used in a few years.

Huge shoutout to DaisyUI [0] and tailwind for making it really easy to build pretty things.

[0] https://daisyui.com/

DevDad_io•11mo ago
Ha! Daisy and Tailwind are so wonderful, I used the same for my app. I especially like the multidirectional scrolling on your app.
cvburgess•11mo ago
Scrolling has been the bane of my existence lol.

Im pretty happy with it currently, but want to fix a small annoyance where columns can "hijack" horizontal scrolling.

I learned SO MUCH about CSS tools of old and new doing this project. The popover API and anchor positioning in particular was a bit of a beast, as were overflows and scroll areas.

Most of my background has been in native or react-native mobile development where these kinds of issues don't really exist in the same way.

Going back to basics with html + css was humbling and taught me a lot, too.

osener•11mo ago
I came across this randomly when I searched "Figma" on HN, and I'm very glad I did. Tastefully done app -- wishing you all luck in the world.