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Poisoning Well
An experimental strategy for contaminating Large Language Models
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Firefox 32-bit Linux Support to End in 2026
For many years, Mozilla has continued to provide Firefox for 32-bit Linux systems long after most other browsers and operating systems ended support. We made this choice because we care ...
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Move on to ESM-Only
Three years ago, I wrote a post about shipping ESM & CJS in a single package , advocating for dual CJS/ESM formats to ease user migration and trying to make the best of both worlds. Back then, I didn’t fully agree with aggressively shipping ESM-only , as I considered the ecosystem wasn’t ready, especially since the…
454
Self-Signed JWTs
An auth scheme where you let yourself in.
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WWDC25: macOS Tahoe Breaks Decades of Finder History
Something jumped out at me in the macOS Tahoe segment of the WWDC keynote today: the Finder icon is reversed. You can see that in the image below. On the left is macOS Sequoia, and on the right is macOS Tahoe: I know I am going to sound old and fussy, but Apple needs to roll this back. Some History The Finder logo has…
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I fear for the unauthenticated web
LLM and AI companies seem to all be in a race to breathe the last breath of air in every room they stumble into. This practice started with larger websites, ones that already had protection from ma...
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I successfully recreated the 1996 Space Jam website with Claude
Everybody get up, it's time to slam now, we got a real jam goin down
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A Supermarket Bag and a Truckload of FOMO
The day was nearing to a close. The sun has already set, but that Friday evening in Amsterdam was still warm. Unusually warm, in fact, for those late days in March – as if spring decided to bless my pilgrimage, for that pilgrimage was not jovial. I was sitting at a ramen joint, sipping on the broth. To my left, a…
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The Joy of Mixing Custom Elements, Web Components, and Markdown
Custom Elements are basically Markdown for HTML
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Cascading Spy Sheets: Exploiting the Complexity of Modern CSS for Fingerprinting
In an attempt to combat user tracking, both privacy-aware browsers (e.g., Tor) and email applications usually disable JavaScript. This effectively closes a major angle for user fingerprinting. However, recent findings hint at the potential for privacy leakage through selected Cascading Style Sheets (CSS) features…
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Podfox: First Container-Aware Browser
A port conflict pushed me to abolish container port forwarding once and for all, making my Firefox talk to Podman's whole network. Also: containerizing dev environments for command-line addicts.
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My 2026 Open Social Web Predictions
Predictions for 2026 include growth forecasts for various social media platforms, advancements in federated technologies, and anticipated shifts in how …
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Crawlers impact the operations of the Wikimedia projects
Since the beginning of 2024, the demand for the content created by the Wikimedia volunteer community – especially for the 144 million images, videos, and other files on Wikimedia Commons – has grow…
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Evolution Mail Users Easily Trackable
A dns-prefetch tag in an HTML email makes Evolution Mail do a DNS lookup on open, even with remote content blocked. The developers blame WebKitGTK.
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Django 6.0 beta 1 released
Posted by Natalia Bidart on Oct. 22, 2025
468
Dead Framework Theory
These are my opinions and are ruminations on what might be happening as more and more developers use LLMs and Frameworks to build on the web. In October last year I wrote “will developers care …
469
The Turkish İ Problem and Why You Should Care (2012)
Take a look at the following code.
470
How to build vector tiles from scratch
Building MVT tiles from scratch
471
Let's Not Encrypt (2019)
Let's Discuss the organization providing a false sense of security at an unbeatable price.
472
Locality of Behaviour (2020)
Carson Gross explores the Locality of Behaviour (LoB) principle, which emphasizes making the behavior of code units obvious on inspection to enhance maintainability. He discusses the tradeoffs between LoB and other software design principles like DRY and SoC, offering insights on balancing clarity, abstraction, and…
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The Useless UseCallback
Why most memoization is downright useless...
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A blog does not need “analytics”
Analytics are a military and financial tool. Your blog is not and you shouldn’t surveil you readers.
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Let's write a toy UI library
We begin by writing a few helper functions that will invariably prove useful to us later. We will be dealing with a lot of rectangular regions on the screen, so it makes sense to start by defining a rectangle structure and write some code to manipulate it.
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Fizz Buzz in CSS
How many CSS selectors and declarations do we need to produce the Fizz Buzz sequence? Of course we could do this with no CSS at all simply by placing the entire sequence as text in the HTML body. So to make the problem precise as well as to keep it interesting, we require that all text that appears in the Fizz Buzz…
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The hamburger-menu icon today: Is it recognizable?
Hamburger menus are a more familiar pattern today than 10 years ago, but the same old best practices for hidden navigation still apply.
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ATProto and the ownership of identity
The new age of social-enabled apps
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Reverse Engineering Vercel's BotID
Vercel recently announced BotID, an anti-bot meant to protect against bots without requiring manual intervention. This post reverse-engineers the script and takes a peek inside.