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Posts by jmegq

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Reconnaissance: Modern Diagnostics for your Classic Mac #MARCHintosh 2026 is here and I'm excited to share a project I've been working on. https://reconnaissanceapp.com You may know that many Classic Mac models have a diagnostics mode built into the ROM ...

The incredible Jack68k made a piece of software that is almost a Tech Step (with potentially more flexibility) for those of us that can’t afford an actual Tech Step. Total game changer for those of us that work on old Macs!

tinkerdifferent.com/threads/reco...

reconnaissanceapp.com

1 month ago 25 10 0 0

inspired by CLAUDE.md, I’ve started putting markdown files named after coworkers into work code repos so I can remind them to stop doing shit to the codebase that annoys me

for some reason they’re all mad at me now, which means ill be adding commands to JEREMY.md for an attitude adjustment

2 months ago 802 170 6 6
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AI efficiency is important. The median Gemini Apps text prompt in May 2025 used 0.24 Wh of energy (<9 seconds of TV watching) & 0.26 mL (~5 drops) of water. Over 12 months, we reduced the energy footprint of a median text prompt 33x, while improving quality:
cloud.google.com/blog/product...

8 months ago 165 36 6 13

everyone calm down, the CEO has suggested using a mutex to solve our problems

8 months ago 14 1 1 0

If there were a single lesson I'd drill into new software engineers it'd be this:

You can be technically right and politically and systemically dead wrong.

8 months ago 149 27 5 3

du
du hast
du hast nicht
die Pflaumen,
die im
Kühlschrank

lagen und die du
wahrscheinlich
fürs Frühstück
aufgehoben hast

Verzeih mir,
sie waren köstlich
so süß
und so kalt

8 months ago 56 18 4 1

"People falling asleep in meetings due to exhaustion aren’t sent home to rest — they’re praised for their "extreme ownership" and dedication. Knowledge sharing and documentation get deprioritized against building. Testing is skipped because it harms velocity and extends timelines."

9 months ago 42 10 5 0
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Macintosh SE/30 computer with a BlueSCSI SD slot mounted in the floppy drive opening.

Macintosh SE/30 computer with a BlueSCSI SD slot mounted in the floppy drive opening.

#Macintosh SE/30 ready to go. Clean with #BlueSCSI, #retrobrite, and recap.

Used the brush on technique with SalonCare 30 Volume Creme Developer. Requires brushing a bit more on every 15 minutes to prevent streaking for about 90 minutes in the sun.

9 months ago 54 7 3 0
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I thought Apple devices are supposed to be easy to connect together

9 months ago 216 32 13 0

The left had a Joe Rogan and it was called Car Talk. You’re welcome.

9 months ago 239 36 9 4

watched 2001 a space odyssey last night and couldn’t stop saying “HAL is this real”

9 months ago 134 9 3 0

A Borges story about a guy who gets AI to summarize all the world’s information for him, and then summarize the summary, until the AI has the whole world summarized into a single word. He sits alone at his desk, staring at the word, repeating it endlessly, certain he is experiencing everything

9 months ago 7144 1977 145 192
A randomly generated finite state machine, made of the emoji 💧, 💦, ☔️

A randomly generated finite state machine, made of the emoji 💧, 💦, ☔️

💧💦☔️

9 months ago 19 3 2 0
Comic. Thought Process While Reading A Big Number: 54,000,000,000,000,000,000,0000,0000,054,000"000,00c2ef46
[comments progress along the line, approximately every 3 digits] (1) 54! Great! I know that number. Solid start. (2) Oh, a comma and some zeros. Cool. Must be at least 54 thousand. (3) A second comma! I wonder if we’re talking population or money. (4) Yikes! If this is money, it’s a *lot* of money. (5) Why am I reading this? Whatever this number is, I’m not going to be able to visualize it. (6) All right, either someone made a unit conversion error or this is one of those incomprehensible astronomy numbers. (7) [4 zeroes between commas instead of 3]] Oh no. Is this a misplaced comma or an extra zero? I guess we’ll see if the next group has two zeros or three. If it’s two, we can at least hope the digits are right. (8) [4 zeroes between commas] Oh *no*. (9) [repeat of the digits 54] What is happening. (10) [a quotation mark in place of comma] Someone messed up real bad. (11) [final digits are c2ef46, cut off] Someone messed up real bad and I hope it wasn’t me.

Comic. Thought Process While Reading A Big Number: 54,000,000,000,000,000,000,0000,0000,054,000"000,00c2ef46 [comments progress along the line, approximately every 3 digits] (1) 54! Great! I know that number. Solid start. (2) Oh, a comma and some zeros. Cool. Must be at least 54 thousand. (3) A second comma! I wonder if we’re talking population or money. (4) Yikes! If this is money, it’s a *lot* of money. (5) Why am I reading this? Whatever this number is, I’m not going to be able to visualize it. (6) All right, either someone made a unit conversion error or this is one of those incomprehensible astronomy numbers. (7) [4 zeroes between commas instead of 3]] Oh no. Is this a misplaced comma or an extra zero? I guess we’ll see if the next group has two zeros or three. If it’s two, we can at least hope the digits are right. (8) [4 zeroes between commas] Oh *no*. (9) [repeat of the digits 54] What is happening. (10) [a quotation mark in place of comma] Someone messed up real bad. (11) [final digits are c2ef46, cut off] Someone messed up real bad and I hope it wasn’t me.

Reading a Big Number

xkcd.com/3102/

10 months ago 2889 361 38 8

BRB reevaluating some personal relationships

10 months ago 19 1 1 0

Whenever someone illustrates a point with an analogy, make sure to reply with interesting facts about the thing in the analogy. They’ll love it!

10 months ago 446 13 10 1
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I should have been appreciating the beautiful harbor, but instead I kind of zoned out staring at the beautiful caustics on the underside of the dinghy.

Spending decades on global illumination does strange things to a person!

10 months ago 15 1 1 1
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Video

This is literally the dark side of the Penrose Tiling.

So you know the Penrose Tiling is a 2D-Projection of a 5-dimensional grid?

This is the Projection to the other 3 Dimensions.

#penrose #codeart #mathart

10 months ago 22 1 0 0
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Two lines of Cross-Document View Transitions code you can use on every website today Arguably, the most profound thing about the web is the ability to link one page to another.

The one where I muse about how this simple bit of code radically changes how the web itself seems to behave…

webkit.org/blog/16967/t...

11 months ago 144 23 4 4
Video

Flutter's dev tools are from another planet.

- Center a div in one click (science said it was impossible)
- Extract to widgets and add state with code mods
- Generated labels for what each `}` corresponds to

Oh, and did I say hot reloading? What a way to build desktop apps ❤️

11 months ago 38 2 2 0

Non-zero chance the new pope likes Malort.

11 months ago 25 2 6 0
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☺️

11 months ago 81 11 9 5

Job interview for my current position included "what happens when you type something into a browser address bar" and they literally had to tell me to stop.

11 months ago 710 41 31 10

Bloom filters seem like a good data structure to make lock-free for concurrent access: you can use an atomic fetch-and-bitwise-OR instruction for writes

11 months ago 52 6 2 0
Video

Implemented two-pass GPU occlusion culling (using a hierarchical depth buffer - "HiZ") in my SDF engine!

The video shows disocclusions (bricks that need to be rendered in the 2nd pass) in pink. This technique reduces the number of bricks rendered by 50-90+%.

More details below.

11 months ago 48 6 1 0

Eventually you reach an age where your story is so beyond telling you just live with it, quiet. And there is confidence in this. They don't know you, and they can't. You've lived longer than being an archetype. You can't be hated, but you also can't be loved.

You just have to sit there, and live.

11 months ago 155 8 6 0
Taylor Swift on her knees talking into a microphone to audience

Taylor Swift on her knees talking into a microphone to audience

You think your walled garden is safe? Gatekeeper can be bypassed, notarization can be fooled, don’t even get me started on Objective-C runtime abuse or malicious LaunchAgents dropped in ~/Library/ where no one ever checks. My dude you use Homebrew. Are you kidding me on security?

1 year ago 147 9 11 0
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The cinematograph, the "noematograph," and the future of AI art From the cinematograph to the "noematograph," the Hugh-winning author explores how technology has, and may still, breed new artistic forms.

My essay, "The Cinematograph and the Noematograph," is out at Big Think. It's my attempt to work out what exactly is "AI art" and why it might be interesting to human artists and art consumers. Let me know what you think!

bigthink.com/high-culture...

1 year ago 18 2 2 1
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New CSA -Fast Flux: This technique poses a significant threat to national security, enabling malicious cyber actors to consistently evade detection. #cybersecurity #FastFlux www.cisa.gov/news-events/... cc @gate15.bsky.social @craignewmark.bsky.social

1 year ago 4 4 0 0
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With a new David Hockney show in Palm Springs, we visit the artist’s L.A. haunts Artist David Hockney used to cruise Los Angeles in his Mercedes. From the Chateau Marmont to Gemini G.E.L., we re-create his journey.

Drive, he said.
www.latimes.com/travel/story...

1 year ago 19 1 0 0