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1•nickfosterna•3m ago•1 comments

Parity of permutations, impossible puzzles and the magical determinant [video]

https://www.youtube.com/watch?v=rUiulWItECQ
1•vismit2000•7m ago•0 comments

Oxygen made from Moon dust for first time

https://www.telegraph.co.uk/news/2026/04/09/oxygen-made-from-moon-dust-for-the-first-time/
2•jonbaer•13m ago•0 comments

cmakefmt: A lightning-fast CMake file formatter

https://github.com/cmakefmt/cmakefmt
1•rmast•13m ago•0 comments

Monsters in the Archives by Caroline Bicks – The Writing Secrets of Stephen King

https://www.theguardian.com/books/2026/mar/30/monsters-in-the-archives-by-caroline-bicks-review-t...
2•lermontov•14m ago•0 comments

Save Walter White

https://save-walt.onrender.com/
1•flykespice•16m ago•0 comments

Artemisia Gentileschi Masterpiece Goes to Auction–Without Its Face

https://news.artnet.com/market/gentileschi-mary-magdalene-fragment-dorotheum-auction-2763142
1•bookofjoe•19m ago•0 comments

Trick Might Stop Gulls from Nabbing Your Lunch

https://gizmodo.com/this-ridiculously-simple-trick-might-stop-gulls-from-nabbing-your-lunch-20007...
2•gnabgib•20m ago•0 comments

Linktree for Professionals

https://airlinkee.com/en/
1•wonsukchoi97•22m ago•0 comments

FullScope-MCP – Cut agent token usage by 60% without lossy summarization

https://github.com/justguy/FullScope-MCP/
1•justguyB•25m ago•0 comments

OpenOats – A meeting note-taker that talks back

https://github.com/yazinsai/OpenOats
2•rahimnathwani•28m ago•3 comments

After the Attack on Sam Altman's Home, Will AI CEOs Go on the Offensive?

https://www.motherjones.com/politics/2026/04/after-the-attack-on-sam-altmans-home-will-ai-ceos-go...
1•cdrnsf•31m ago•0 comments

The oldest known evidence of stitched clothing

https://refractor.io/history/oldest-evidence-stitched-clothing-fabric-prehistoric-oregon/
1•breve•33m ago•0 comments

Optimization of 32-bit Unsigned Division by Constants on 64-bit Targets

https://arxiv.org/abs/2604.07902
1•simjnd•34m ago•0 comments

B2alpha

https://b2alpha.io/
1•21J3phy•36m ago•0 comments

Elastic Tabstops (2006)

https://nick-gravgaard.com/elastic-tabstops/
1•birdculture•38m ago•1 comments

AI Job Loss Tracker

https://jobloss.ai/
18•gnabgib•39m ago•14 comments

We Are All Constantly Mutating – and That's a Good Thing

https://www.newyorker.com/magazine/2026/04/13/beyond-inheritance-roxanne-khamsi-book-review
1•mitchbob•58m ago•1 comments

More than 12 tons of KitKat's 'new chocolate range' stolen in Italy

https://www.theguardian.com/world/2026/mar/28/kitkat-stolen-italy-f1-bar
1•wslh•59m ago•0 comments

Artemis II Astronauts Back in Houston, Reunite with Families

https://www.nasa.gov/blogs/missions/2026/04/11/artemis-ii-astronauts-back-in-houston-reunite-with...
1•salkahfi•1h ago•0 comments

Curated Costa Rica: The Best Tailor-Made Experiences for Every Type of Traveller

https://johnquam.substack.com/p/curated-costa-rica-the-best-tailor
1•headmonkey•1h ago•1 comments

Unified Perception Engine: never render more than humans can see (public domain)

https://github.com/warofwar2011-dev/unified-perception-engine
1•Mars2011•1h ago•0 comments

The Enigma of Gertrude Stein

https://www.thenation.com/article/culture/gertrude-stein-afterlife-wade-review/
2•samclemens•1h ago•0 comments

Midnight Captain – A midnight commander inspired file manager

https://github.com/duguyue100/midnight-captain
3•duguyue100•1h ago•3 comments

Hackers meet match: New DNA encryption protects engineered cells from within

https://phys.org/news/2026-04-hackers-dna-encryption-cells.html
2•pseudolus•1h ago•0 comments

High-Level Rust: Getting 80% of the Benefits with 20% of the Pain

https://hamy.xyz/blog/2026-01_high-level-rust
2•maxloh•1h ago•0 comments

Show HN: I benchmarked MCP vs. CLI for browser automation. MCP wins by 25x

https://github.com/HKUDS/CLI-Anything/pull/212
1•Achiyacohen•1h ago•1 comments

"MongoDB is web scale" (Throwback 2010 XtraNormal clip) [video]

https://www.youtube.com/watch?v=b2F-DItXtZs
2•chirau•1h ago•1 comments

Aero and Y2K Webring

https://frutigeraeroarchive.org/aero_webring
2•jack-bodine•1h ago•0 comments

YuanLey YS100-0602T Review a Cheap 8-Port 10GbE Switch

https://www.servethehome.com/yuanley-ys100-0602t-review-a-cheap-8-port-10gbe-switch/
2•teleforce•1h 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.