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The e-scooter isn't new – London was zooming around on Autopeds a century ago
The e-scooters that clutter up pavements may seem like a new thing, but a hundred years ago, there were already people zooming around London on powered scooters.
New
The latest blog posts to take off on Hacker News. 4,109 posts.
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Help my website is too small
How can it be a real website if it’s less than 7k?
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Don't Become the Machine
I was recently recommended a YouTube video with the following title: Only a slave quantifies its existence through productivity '''''',,,,,,,,,,,'''''....
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HTTP Caching, a Refresher
Let’s relearn web caching together.
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Help My c64 caught on fire
Angelo Pesce's homepage & blog on computers, graphics and other things.
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Clock synchronization is a nightmare
Time seems simple. But we engineers lose sleep over something as basic as keeping clocks in sync. Here’s why…
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The best things and stuff of 2025
Great things and people that I discovered, learned, read, met, etc. in 2025. No particular ordering is implied. Not everything is new.
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Test, don't just verify
AI-assisted mechnical proving companies are raising funds on billion dollar valuations , new people are trying proof assistants, overwhelmingly Lean, at unprecedented rates. Models achieve fascinating results in competitions previously considered to contain some of the hardest problems in the world, such as IMO, ICPC…
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Instant database clones with PostgreSQL 18
Learn how to clone PostgreSQL databases instantly using reflinks. Turn slow template copies into milliseconds with PostgreSQL 18's new file copy options.
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Paperbacks and TikTok
In 1939, Simon & Schuster revolutionized the American publishing industry with the launch of Pocket Books, a line of diminutive volumes (measuring 4 by 6 ... Read more
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The Algebra of Loans in Rust
The heart of Rust borrow-checking is this: when a borrow is taken, and until it expires, access to the borrowed place is restricted. For example you may not read from a place while it is mutably borrowed.
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The Illustrated Transformer
Discussions: Hacker News (65 points, 4 comments), Reddit r/MachineLearning (29 points, 3 comments) Translations: Arabic, Chinese (Simplified) 1, Chinese (Simplified) 2, French 1, French 2, Italian, Japanese, Korean, Persian, Russian, Spanish 1, Spanish 2, Vietnamese Watch: MIT’s Deep Learning State of the Art lecture…
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Things I learnt about passkeys when building passkeybot
Interesting things about passkeys in webauthn
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Archiving Git branches as tags
I have a spicy git alias that allows me to "archive" old git branches by converting them to tags, making them less visible across git tooling. # ~/.gitconfig…
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I know you didn't write this
Exploring the ethics and productivity impacts of undisclosed AI-generated content in professional work, and why verification overhead is now the hidden cost of AI adoption.
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NIST was 5 μs off UTC after last week's power cut
If you were 5 microseconds late today, blame it on NIST. Their facility in Boulder Colorado just had its power cut for multiple days. After a backup generator failed, their main ensemble clock lost track of UTC, or Universal Time Coordinated. But even if you used the NTP timing servers they run, they were never off by…
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Your Supabase is public if you turn off RLS
I was chatting with a close friend of mine and he sent me a link to his new SaaS that he's developing.
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Scaling LLMs to Larger Codebases
Where to focus investments to best leverage AI tooling
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Toad is a unified experience for AI in the terminal
My startup for terminals wrapped up mid-2025 when the funding ran dry. So I don’t have money, but what I do have are a very particular set of skills. Skills I have acquired over a very long career convincing terminals they are actually GUIs.
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One year of keeping a tada list
Sometimes called a to-done list.
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The biggest CRT ever made: Sony's PVM-4300
And a surviving example of one surfaced in December 2024.
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If you don't design your career, someone else will (2014)
A client once responded to one of my questions by saying, "Oh Greg, I am too busy living to think about life!” His off-the-cuff comment named a trap al ...
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A year of vibes
A personal recap of 2025 and a year of a new style of engineering.
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I announced my divorce on Instagram and then AI impersonated me
After maintaining a total stance of public silence for months, I recently publicly announced my unexpected divorce on Instagram. I shared a picture of the divorce cake that my friends got for me, and shared a brief essay I had drafted the day before about the news. I had to edit it down slightly from my original draft…
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CSRF protection without tokens or hidden form fields
A couple of months ago, I received a request from a random Internet user to add CSRF protection to my little web framework Microdot, and I thought it was a fantastic idea.When I set off to do this…
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Your inbox is a bandit problem
Parenthetically Speaking: Articles by Shriram Krishnamurthi
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I wish people were more public
On sharing more of yourself.