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peterb from Tea Leaves Programming

@peterb.bsky.social
271 followers 177 following 2.4K posts

effort + coffee = software. See also @peterb@mathstodon.xyz

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peterb from Tea Leaves Programming @peterb.bsky.social · 29/09/2026
This is a man who may have never read a single comic book.
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peterb from Tea Leaves Programming @peterb.bsky.social · 27/09/2026
Average AI dude on social media this weekend. IYKYK.
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peterb from Tea Leaves Programming @peterb.bsky.social · 21/09/2026
This is absolutely the dynamic in rationalist and EA-adjacent spaces. Do they just not teach Pascal's wager at school anymore or....?
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peterb from Tea Leaves Programming @peterb.bsky.social · 16/09/2026
ML Researchers: we added an input to the system that introduces randomness. LLM: [does something unpredicted] ML Researchers:
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peterb from Tea Leaves Programming @peterb.bsky.social · 12/09/2026
Software developers when asked if maybe they could reduce the number of security holes and bugs in their software by using formal verification techniques.
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peterb from Tea Leaves Programming @peterb.bsky.social · 10/09/2026
I know the Zelda remake is on everyone's mind, but this topic actually came up in context of the Wizardry I remake. Remakes are good. Engaging with art is good. Remaking a work of art is not inherently disrespectful.
Remaking art is not disrespectful.
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peterb from Tea Leaves Programming @peterb.bsky.social · 06/09/2026
My friend Nate is taunting me by posting AI summaries of my video from last year about how I'm ambivalent about AI. (Original video: www.youtube.com/watch?v=oOcL...)
AI summary of my video
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peterb from Tea Leaves Programming @peterb.bsky.social · 04/09/2026
Me hitting 99% of my Claude token limit seconds before the reset.
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peterb from Tea Leaves Programming @peterb.bsky.social · 03/09/2026
FINALLY I have discovered a great use for LLMs (that will make Irish people want to murder me.)
Here's a challenge for you. This is the first page of Finnegan's wake. *without footnotes or deep explanations", try to translate it "directly" into middle-school level English. It is fine if you lose detail as long as you follow the main thrust (if you can discern it) of the words.
A river flows past Dublin, looping around from the shore to the bay, and brings us in a big circle right back to Howth Castle and its surrounding towns.
A guy named Sir Tristram sailed across the short sea from France back to Ireland to fight his battles over again. Things were happening along the rivers and towns, people were arguing and playing games, and nobody had shouted out baptisms or strange curses yet. A young guy hadn't attacked an old man yet, and twin sisters weren't mad at anyone yet either. Nobody had even brewed any beer yet, and the rainbow hadn't shown up over the water.Then, with a giant, noisy crash, an old guy named Finnegan fell down and died. His big fall is talked about everywhere from when you wake up in bed to later on in life, told through songs and stories. Because Finnegan, a solid working man, fell off a wall so suddenly, his bumpy hill of a head makes people go look for his toes. Where he fell and where his grave is located is at a specific spot in the park where fruit has been rotting on the grass since the beginning of time.
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peterb from Tea Leaves Programming @peterb.bsky.social · 01/09/2026
Seriously WTF is wrong with you
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peterb from Tea Leaves Programming @peterb.bsky.social · 30/08/2026
This Really Bad Chess leaderboard placement will never ever happen again.
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peterb from Tea Leaves Programming @peterb.bsky.social · 25/08/2026
Carthago delenda est
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peterb from Tea Leaves Programming @peterb.bsky.social · 21/08/2026
A small preview of upcoming #lean and #rust videos on my channel at www.youtube.com/TeaLeavesPro.... Videos go public every Friday at 10:30 am; "early access" members get access to all videos when they are posted (so if you're early access, you can watch all of the below videos *right now*.)
Screenshot of upcoming videos.
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peterb from Tea Leaves Programming @peterb.bsky.social · 17/08/2026
This is how I actually write code.
quote from Simpsons writer.
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peterb from Tea Leaves Programming @peterb.bsky.social · 13/08/2026
The pro-AI and anti-AI people are holding a competition to see who can make me hate them and their stupid arguments more. This post puts the anti's FIRMLY in the lead.
The dumbest thing I've ever read.
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peterb from Tea Leaves Programming @peterb.bsky.social · 12/08/2026
No.
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peterb from Tea Leaves Programming @peterb.bsky.social · 12/08/2026
A, Always. B, Be. TWUS, Typing Weird Unicode Symbols.
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peterb from Tea Leaves Programming @peterb.bsky.social · 11/08/2026
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peterb from Tea Leaves Programming @peterb.bsky.social · 10/08/2026
After reading this I now support a Constitutional amendment permitting the family of Joan Rivers to have Ben Stein imprisoned for life.
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peterb from Tea Leaves Programming @peterb.bsky.social · 06/08/2026
Accountants have things like this too.
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peterb from Tea Leaves Programming @peterb.bsky.social · 05/08/2026
My most AI-booster coded opinion is that every compiler (yes, EVERY COMPILER) needs to ship with a small local ML model that runs whenever a compile fails and tells you what the syntax error in your code actually is instead of whatever useless bullshit the compiler's error message contains.
STOP DOING COMPILERS
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peterb from Tea Leaves Programming @peterb.bsky.social · 02/08/2026
I am in love with this "centered dot as the value waiting to be applied" syntax.
incdec
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peterb from Tea Leaves Programming @peterb.bsky.social · 02/08/2026
Restructured the shift operations (ASL, LSR, ROL, ROR) to be a little more Clever™ and streamlined in the Lean 6502 emulator. Lean on the left, Haskell on the right. There's nothing intrinsically lean-specific about this, it's just me repeating myself less.
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peterb from Tea Leaves Programming @peterb.bsky.social · 29/07/2026
OMG you did the thing
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/07/2026
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peterb from Tea Leaves Programming @peterb.bsky.social · 24/07/2026
They are, in fact, all competing in the same market.
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peterb from Tea Leaves Programming @peterb.bsky.social · 23/07/2026
My new favorite genre of Dumb Internet Post is "Why in Nolan's Odyssey did Thing Happen?" when, in every case, when Thing Happened, someone on screen looked directly at the camera and says "We're Doing Thing, Because X." I didn't want to believe "people are bad at watching movies," but it's true.
post from twitter
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peterb from Tea Leaves Programming @peterb.bsky.social · 21/07/2026
`sorry` as the undefined value in Lean 4 makes it MUCH funnier to stub out code than #haskell
Sorry!
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peterb from Tea Leaves Programming @peterb.bsky.social · 19/07/2026
I regret to inform you that I am back on my bullshit.
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peterb from Tea Leaves Programming @peterb.bsky.social · 19/07/2026
And I've really tried to follow the Dragon's advice. It's good advice.
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peterb from Tea Leaves Programming @peterb.bsky.social · 08/07/2026
Can we just appreciate that @joycecaroloates.bsky.social has spent an ENTIRE LIFETIME punching above her weight and calling bullshit on dumb things that everyone around her stupidly believes?
In 1972, Joyce Carol Oates publicly questioned Castaneda’s credibility. “I realize that everyone accepts them as anthropological studies,” she wrote, but she doubted that “these books are nonfiction.”
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peterb from Tea Leaves Programming @peterb.bsky.social · 01/07/2026
Nice, they used an actual reference photo #Pittsburgh. (The Fury of Firestorm #2), Lenore/De La Torre)
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peterb from Tea Leaves Programming @peterb.bsky.social · 29/06/2026
Just found a second fantastic example!
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peterb from Tea Leaves Programming @peterb.bsky.social · 29/06/2026
I found a great one on this exact thread, some totally unhinged dude.
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peterb from Tea Leaves Programming @peterb.bsky.social · 28/06/2026
Happy to announce my new #Haskell library, BetterNaming, which at just 5 lines massively improves the ergonomics of the language.
{-# LANGUAGE ConstraintKinds #-}

import Data.Kind (Constraint)

type Mappable f = Functor f
type Squishable f = Applicative f
type Sequenceable f = Monad f
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/06/2026
The thing about engagement bait is that by its nature it makes you turn up the enshittification dial higher and higher until eventually you're just pooping out stuff like this that you don't actually believe because you want the meat pellet machine to give you a kibble.
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/06/2026
Evergreen
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/06/2026
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peterb from Tea Leaves Programming @peterb.bsky.social · 24/06/2026
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peterb from Tea Leaves Programming @peterb.bsky.social · 23/06/2026
Superman vs. Meshi: look i'm not gonna lie, "Superman flies to Japan every day just to eat japanese family restaurant lunch food" is a great premise because this is absolutely what i would do with my powers if i were Superman.
Superman vs Meshi
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peterb from Tea Leaves Programming @peterb.bsky.social · 14/06/2026
Allowing your #haskell code to be lazy by default on any program of meaningful size.
I am a genius! Oh no!
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peterb from Tea Leaves Programming @peterb.bsky.social · 11/06/2026
Wednesday nights in #Pittsburgh are for Rick Sebak spinning discs at The Independent. @opg.bsky.social
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peterb from Tea Leaves Programming @peterb.bsky.social · 11/06/2026
The market right now
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peterb from Tea Leaves Programming @peterb.bsky.social · 05/06/2026
Hi folks, in this difficult time of Graham Platner discourse I'd like to offer this set of Rumiko Takahashi panels as a reaction image for anyone who needs it.
Maison Ikkoku
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peterb from Tea Leaves Programming @peterb.bsky.social · 05/06/2026
This aged well
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peterb from Tea Leaves Programming @peterb.bsky.social · 01/06/2026
OK I'm going to say something controversial here: no you wouldn't.
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peterb from Tea Leaves Programming @peterb.bsky.social · 28/05/2026
We are reaching never before seen levels of Too Online. It is 100% impossible that this person wrote this post without using an LLM to maximize the engagement rage.
We are reaching never before seen levels of Too Online.
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/05/2026
pls lower rent? No build!! Only lower rent
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peterb from Tea Leaves Programming @peterb.bsky.social · 26/05/2026
Chile (aka "Vertical Russia" is the WORST.
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peterb from Tea Leaves Programming @peterb.bsky.social · 23/05/2026
@whstancil.bsky.social A play in 4 acts. I call it "Rich people really hate being told they're rich."
"Middle class has moved up to the 100 to 150 thousand range!""A 2-income household earning $150,000 makes more than 80% of Americans...that's 'rich'"I don't trust Gov. dataUser has blocked you
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