Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,923 posts.
Simulation Islands
Island management is a fundamental low level feature of physics engines and can have a big impact on solver design and performance. This was one of the first problems I decided to work on for Box2D version 3 (v3). Since I began working on v3 I’ve been comparing several algorithms for island management. My goal has…
Coding interviews are stupid (ish)
Musings on software, technology, and life by Darren Kopp
Down the mechanical keyboard rabbit hole
I’m writing this to share my experience adapting to weird keyboards and layouts.
Autonomous trucking is harder than autonomous rideshare
Freeways were supposed to be easy. What happened?
The Curse of Smart People
A bit over 3 years ago, after working for many years at a series of startups (most of which I co-founded), I disappeared through a Certain V...
How Singapore's government-run dating service works
Here are the 30+ questions in the matchmaking tool that Singapore is deploying on government workers.
Discord fined €800k for failing to comply with several obligations of the GDPR
This page is no longer available. Order to comply or sanctions issued by the CNIL may be made public. In this case, a time limit shall be specified in the decision. Once this time period has expired, the organisations that have been given formal notice or sanctioned are no longer identified in the public decision. For…
AI doesn’t reduce work, it intensifies it
Aruna Ranganathan and Xingqi Maggie Ye from Berkeley Haas School of Business report initial findings in the HBR from their April to December 2025 study of 200 employees at a …
Recovering from AI addiction
Welcome to Internet and Technology Addicts Anonymous! We’re glad you’ve found us, and we hope our community can be as helpful to you as it has been for us. ITAA is a Twelve-Step fellowship of individuals who support each other in recovering from internet and technology addiction. This includes social media addiction…
Norway should buy OpenAI
The Long Arc of History Bends Towards Social Democracy
Humane AI – Pico Laser Projection – AI Twist on an Old Scam (2023)
Humane AI (Humane, hereafter) combines the mid-2010s failed concept of using a laser projector to project on the body with the early 2000s failed projector phone (something I wrote about in 2013), …
Apple's Blue Ocean
I first read about the “ blue ocean ” strategy in a story (probably in Edge magazine ) about the Nintendo Wii . While its competitors were fighting for supremacy in the game-console market by producing ever-more-powerful hardware capable of high-definition visuals, Nintendo chose not to join this fight. The pursuit of…
Life at 800 MHz
We’ve been using a Sony Vaio VGN-P588E for the past few months as our primary personal laptop. This thing’s great; it’s got a small but not uncomfortable keyboard. It’s got a trackpoint, which we absolutely need to keep our hands healthy. Crucially, it’s only 1.5 pounds. We’re disabled in a way that means we’ve got to…
Do We Worship Complexity?
Complexity is the most important challenge in software development. So it is important to always strive to eliminate complexity. But sometimes we worship complexity - and that can make complexity problems unsolvable.
Our software engineering interviews are changing a little
Over the last few years, LLMs have changed how software gets built and that’s no different for us at Jane Street. Most of our engineers now use them every da...
The ethics of modern web ad-blocking
More than fifteen years ago, in response to decreasing ad rates and banner blindness , web advertisers and publishers adopted pop-up ads .
Technical interview performance is kind of arbitrary
Single interview outcomes aren't as reliable as you might think.
Openstreetmap’s product fails to compete with Google Maps
The landscape of OpenStreetMap-based mobile apps
IRS audits poorest families at five times the rate for everyone else
Beck will use the $25,000 grant to examine the Justice Department’s shutdown of civil rights investigations into local law enforcement and carceral facilities during the second Trump Administration, building the first comprehensive public accounting of the Civil Rights Division’s retreat.
Getting 2FA Right in 2019
Since March, Trail of Bits has been working with the Python Software Foundation to add two-factor authentication (2FA) to Warehouse, the codebase that powers PyPI. As of today, PyPI members can enable time-based OTP (TOTP) and WebAuthn (currently in beta). If you have an account on PyPI, go enable your preferred 2FA…
Escaping surveillance capitalism, at scale
Self-hosting and paid subscriptions promise an escape from surveillance capitalism. What guarantees do they really offer, and at what cost?
The appeal of using plain HTML pages (2019)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
Sleeping longer than 6.5 hours/day can help you lose weight: study
According to a recent study, sleeping an extra hour could help you lose weight if you're not sleeping enough to begin with
Does Australia's access and assistance law impact 1Password?
Australia recently passed a law that correctly has people asking about the security and privacy of tools like 1Password.
Impossible food sues to cancel earlier trademark owners
A multi billion dollar processed foods company called "Impossible Foods" is suing IMPOSSIBLE ® and seeking to cancel our federally registered trademarks. Here's our response.
The rise of industrial software
> _**Industrial**_ > > _adj. (sense 3a)_ > > Of or relating to productive work, trade, or manufacture, esp.