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Martin Janiczek

@janiczek.cz
1K followers 636 following 1.4K posts

martin.janiczek.cz / Functional programming / Making a browser game @nuashworld.com / Programming language design (cara-lang.com) / Property based testing / Music making. He/him.

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Martin Janiczek @janiczek.cz · 1m
OK phonopath.com absolutely rules wtf
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Kenny Logins @kennylogins.bsky.social · 20/08/2026
Erin Fogg says Free Link @criminalerin.bsky.social
Me: What did I just do

Spreadsheets: You bolded a row

Me: Yes & what didn't I do in the next row

Spreadsheets: Bold anything at all

Me: Right ok so what did you do when I entered information into the row that I didn't bold

Spreadsheets: 👀

Me: 👀

Spreadsheets: I bolded it

Me: YOU BOLDED IT
2:18 PM • Jul 26, 2026
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Kenny Logins @kennylogins.bsky.social · 22/08/2026
lauren 
@lauren.rotatingsandwiches.com
say what you will about Al, always-on voice recording and auto dictation has been a game changer for my workflows. Save post and close app. Yeah Footlong meatball sub on white. No veggies. Don't toast it. Ranch and barbecue sauce. Yeah, ranch and bargecue sauce. More. More. Little more please
12:10 PM • Jul 28, 2026
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Kenny Logins @kennylogins.bsky.social · 24/08/2026
Hagai Palevsky (he/him) @dialhforhagai.bsky.social
Wile E. Coyote, despaired, takes a bucket of paint and a brush and paints a beautiful two-bedroom house on a mountainside. He paints a beautiful coyote wife in the window, and two adorable coyote kids running around in the yard. He tries to enter this new coyote life, but it is inaccessible to him
8:26 AM • Jul 25, 2026
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Jack Grimes @jackapedia.design · 24/09/2026
I'm joining the war on slop with cheap, fast flyer commissions. If you know someone who is asking the computer for event posters, tell them to ask me instead. Get the guarantee!
A poster mocked up as if it was offset printed in black and red roughly 60 years ago. The header reads "AVAILABLE NOW! FLYERS DESIGNED BY A HUMAN BEING!" and the subsequent text is pitching $50 flyer designs with a "SLOP-FREE GUARANTEE," incorporating some vintage Henry Volk clipart of people looking at a poster and saying how well it reflects on the event organizer.
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Zdopravy.cz :bot: @zdopravy.zpravobot.news.ap.brid.gy · 25/09/2026
Neomezeně vlakem po Evropě za 130 korun na den. Interrail spustil velký výprodej zdopravy.cz/neomezene-vlakem-po-evr…
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Martin Janiczek @janiczek.cz · 24/09/2026
Seeing this the first time I was 100% sure he'd end with "I'd be the he... ON DROPOUT TV" but alas
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otecfura @otecfura.bsky.social · 23/09/2026
Pustil jsem přes noc 10 agentů, aby dělali analýzy zatím co spim, ráno jsem to cross-validoval před 4 modely, doiteroval pomocí pátého nezávislého modelu a mám konečně výsledek, kterému mohu věřit. Doma neni toaleťák.
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David Cooper @davidbcooper.bsky.social · 21/09/2026
Starting my day making some art.
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Martin Janiczek @janiczek.cz · 21/09/2026
I've been having funnnn
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abadidea @0xabad1dea.infosec.exchange.ap.brid.gy · 21/09/2026
I've had people ask before why I post art that's been drawn on lined or grid notebook paper and not blank drawing paper. It's honestly a big psychological hack: blank drawing paper is for "real" art and I'm afraid to mess it up, but art on lined paper is legally "a doodle" and the art cops have […]
infosec.exchange
Original post on infosec.exchange
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Retro Tech Dreams @retrotechdreams.bsky.social · 21/09/2026
Microsoft 3D Movie Maker (1995)
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Martin Janiczek @janiczek.cz · 17/09/2026
Nothing tests your compiler's O(n^2) behaviour like... package.elm-lang.org/packages/Cha...
package.elm-lang.org
elm-vector 3.0.2
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Martin Janiczek @janiczek.cz · 17/09/2026
my voice memo filenames are literally gtr aoe2.m4a gtr aoe2 rhythm if i could play.m4a
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Evan Czaplicki @acadia.engineering · 16/09/2026
It is easy to define per-row security policies with Acadia: ✨ acadia.engineering/blog/simple-... ✨ The compiler then does "symbolic evaluation" at compile time so that in many cases, you pay zero runtime cost for your security guarantees! The example app runs an Elm server too! 🚄
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zoviazzg @zoviazzg.bsky.social · 15/09/2026
Grandia continues! This stretch of the game is grindy and contains two optional dungeons that represent the extreme ends of the JRPG dungeon spectrum. One is dense, charmingly themed and has the best boss fight in the game thus far. The other is just a long, boring cave! #crt #retrogaming
Departing the party almost as soon as she joined, the mountainous musclewoman Milda sends our young heroes on their way, eager to return to living her best life in the arms of her loving, furry husband.Appearing in the desert like a dark mirage, the Castle of Dreams welcomes our heroes into its dark embrace. Within its fetid bowels a cyclopean lich licks its undying chops in hunger of fresh souls.Lost in the infuriating Soldier's Grave for hours, the party encounters a recycled boss that truly requires a player to ask what the fuck they doing here.A two-headed giant attempts to prevent our intrepid children access to the Zil Ruins. Sporting demon wings and an absurd arsenal of edged weaponry she cuts an imposing figure but presents no true danger to the ascendant children of legend.
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Adriaan @adriaan.games · 16/09/2026
The level in the screenshot has 37k+ objects (!) but draws no more than 1000 unique textures, and those will pack into this single 4096×4096 texture. TexturePacker is really good at packing efficiently! these look so neat :D :D
screenshot of a texture atlas with nearly 1000 objects
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Make Some Noise @makesomenoise.dropout.tv · 15/09/2026
🎶 The Maestro is back... and this time, he's got a little help! 📢 Season 5 of Make Some Noise is coming soon, launching on Dropout October 5th!
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Martin Janiczek @janiczek.cz · 12/09/2026
This is lovely. I wonder what the FP invariant is - typeclass laws?
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Martin Janiczek @janiczek.cz · 12/09/2026
I get so triggered by AI prose... @zed.dev spend human time on writing please
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Martin Janiczek @janiczek.cz · 12/09/2026
vester.si/bodily-oddit... This reads similar to a _feeling_ of things being distant (like a max FOV camera?, but only feeling-wise, not visually)... I wonder if it's still part of this syndrome. I unironically love when it happens, though I don't love the fever that it comes with 😅
vester.si
Alice in Wonderland syndrome (AIWS) · Bodily Oddities
Objects, body parts, or the whole room suddenly look far too big, far too small, or far away. It mostly happens to children, often during a fever or…
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Badger Punch Games @badgerpunch.com · 12/09/2026
Roguecraft DX is out now!🎉 We are flabbergasted by the response from you awesome players! 90% positive reviews!🥰 Roguecraft DX blends cozy pixel charm with turn-based dungeon tension. Buy now on Steam: thalamus.link/roguecraft #steam #screenshotsaturday
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Haus of Decline @hausofdecline.bsky.social · 11/09/2026
Suffering does not necessarily make your art better, but as long as you're suffering, you may as well get some art out of it.
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Ben Orchard @raehik.bsky.social · 03/08/2026
It doesn't matter if you've got problems. What matters is that your problems are funny
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Martin Janiczek @janiczek.cz · 11/09/2026
What does The Greater Reality Area do in my feed
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amy brown @amybrown.xyz · 22/11/2025
the baby (17 months) raised both her hands and said “WEADY?” so I said “ready!” and then she slapped me in the face
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taylor.town @taylor.town · 07/09/2026
make art anyway
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John Lyon @johnlyon.bsky.social · 06/09/2026
So the waiter said, "The plate is hot,” and I said, "I'll be the judge of that, haha." Anyhoo, I met a lot of nice people at the burn center.
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Martin Janiczek @janiczek.cz · 06/09/2026
I'm thinking about "Worse is Better" and how RuneScape begun...
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alves @alves.bsky.social · 06/09/2026
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Sasha's Retrobytes 🏳️‍⚧️ @sharkabytes.bsky.social · 28/08/2026
MIDI computer music composition: early 80s style! Izumi Kobayashi, prolific musican and record producer of Urusei Yatsura theme song fame), takes us for a tour around her studio just a few weeks after enthusiastically embracing composing on her MSX. 📖: LOGiN, September 1984
A photo of Izumi leaning over a microcomputer in her busy studio, with several different keyboards and synthesizers around her and clutching on in one arm while she touches a crt tv screen with a pen.Izumi grins happily, keyboard in hand and behind her, with two microcomputers to the left of her and music notes on the monitor above itA diagram showing how things are connected between MSX, midi interface, MK1 synth keyboard released the same year specifically for connections to MSX computers, and a monitor.
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Bryan Cantrill @bcantrill.bsky.social · 05/09/2026
The revolt of the reader bcantrill.dtrace.org/2026/09/05/t...
bcantrill.dtrace.org
The revolt of the reader | The Observation Deck
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Martin Janiczek @janiczek.cz · 06/09/2026
What Google Sheets (or any other spreadsheet software) should do (and what feels reachable!) is to let LLMs review the formulas for possible bugs: flag "oh you probably wanted to extend the SUM(...) here when adding new rows"
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Lucretiel @lucretiel.me · 05/09/2026
My team / company is also Rapidly arriving at the consensus that exposing another person to LLM prose in any form (analysis, PR descriptions, code comments) is the height of rudeness
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Martin Janiczek @janiczek.cz · 04/09/2026
Thinking about Smalltalk's "System Browser" in context of Elm or Haskell again after 8 years...
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Martin Janiczek @janiczek.cz · 04/09/2026
*sigh* Another SCP containment breach...
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Martin Janiczek @janiczek.cz · 04/09/2026
not AI slop writing in the Zed blogpost ☠️
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Konstantinos Dimopoulos @konstantinosd.bsky.social · 04/09/2026
My old fantasy (and analog) city generation tool: medium.com/@Konstantino... Thinking it would be fun to actually code it in Python, and see how that goes.
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Sam Reich @samreich.bsky.social · 03/09/2026
seeing an improv show vs seeing two dogs and a pig
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David Sancho @david.sancho.dev · 03/09/2026
I've decided to take a break from mental health to focus on ai psychosis
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Martin Janiczek @janiczek.cz · 31/08/2026
Finished The Drifter on the last day of my vacation just to be able to uninstall it and check another TODO in my Steam library. (I do have a lot of games bought-and-not-played but it still feels somewhat feasible to get through them faster than I buy new ones) The Drifter is great. Story, music 👌🌇
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Ranged Touch @rangedtouch.bsky.social · 29/08/2026
this is so important it needed its own clip actually
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Mike Sperber @sperbsen.bsky.social · 28/08/2026
The @zurihac.bsky.social folks have also put up my talk on teaching programming (Haskell edition), and it's got over 8000 views already. www.youtube.com/watch?v=iV9U...
youtube.com
Why We’re Teaching Programming Wrong: A Haskell Perspective | Michael Sperber | ZuriHac 2026
YouTube video by OST – Ostschweizer Fachhochschule
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Martin Janiczek @janiczek.cz · 30/08/2026
It's so refreshing to find a niche webring and go read through unknown people's tiny blogs. Today, ring.lab8.cz
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Martin Janiczek @janiczek.cz · 30/08/2026
@todepond.com is savage...
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Martin Janiczek @janiczek.cz · 29/08/2026
The boxes that guy on top right holds... a flood of memories of these CD boxes and their typography
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Albasoup @albasoup.itch.io · 29/08/2026
Was walking past this building and through the window saw this backrooms-ass room, so I accidentally took the coolest picture ever due to the window's reflection
A backrooms-ass room with a twilight sky and trees seemingly imposed over it in a dream-like fashion (it's the reflection of the window)
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.chantal//RYAN @thoughtrise.bsky.social · 29/08/2026
i can't say enough about the craftsmanship of this game - every aspect of it is just meticulously considered and lovingly designed plus... it's wildly beautiful #pixelart #indiegame
a screenshot of moonring, showing a purple UI with a purple and black dark location rendered in gorgeous saturated contrasty pixel art with gentle orange and lilac glows. it shows caves, forest, a small town and ship in simple but elegant graphics

the left UI interface shows a stream of turn-based combat text
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Joel Riley @joelriley.com · 28/08/2026
Finally (after decades) started a #blog on my personal webpage. joelriley.com/hello-world
joelriley.com
What a time to start a blog
A blog post about blog posts.
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Alona @alona.page · 28/08/2026
oh you use the unit type? that's cute. i'm personally just using the never type, because it saves time, and I already know people will never run this code.
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