Goodbye Google
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
The latest blog posts to take off on Hacker News. 5,936 posts.
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
Earlier this year, I believed planning was going to become the most important part of building software with AI.
DHH's opening keynote had shockingly little to say about Rails.
What happens to programming languages when humans are no longer writing most of the code?
It is with great sadness that we share the news of the passing of Johannes Doerfert, on September 17, 2026, at the age of 36, after a battle with cancer.
AI forced me to abandon evidence-based best pedagogy practices, focus on oral and written exams, and redo most assignments. Here is what we did in 17-645...
California has $8.14 trillion in land sitting right under its feet. It's chasing billionaires instead.
A wormable vulnerability allowed anyone able to inject text in a build log on builds.sr.ht (or other instances) to take over accounts who viewed them
Using GPT-6 and Opus 5.5 to trace alchemical knowledge and decode 17th century letters
Postgres SELECT DISTINCT performs surprisingly poorly. We explain why and how we mitigated it.
LA Metro’s design specifications state that its escalators go 90 feet per minute, slower than nearly everything we found.
the question everyone is asking
On the 31st August I got an email from a customer, telling me that they had found an imitation of my data wrangling software on Github. I’m not linking to it, but here is a screenshot: It is …
After more than a year of hard work, we are thrilled to announce the launch of F-Droid 2.0, a complete redesign of the official F-Droid app and the largest a...
Thoughts on technology, life and everything else.
Learn about Project Suncatcher, how we’re testing hardware survival for space, designing cooling systems for AI chips, and more.
Converting Org to HTML with (ice-9 peg) in Guile: OrgWebAlchemy
Think you can trust AI to give you correct answer? Think again.
Modern Object Pascal Introduction: units, classes, generics, memory management, exceptions and more.
Alice and Bill have identical Apple devices. Only one gets Apple’s strongest iCloud protection.
杰哥的{教学,运维,编程,调板子}小笔记
We found evidence on urlquery that AI agents were active earlier than previously reported and attempted hacks against public data providers.
Trump admin sees China behind opposition to AI data centers
arXiv is pleased to announce that three leading philanthropic organizations have provided multimillion-dollar support for arXiv. These new multiyear…
Explore the agentic AI PCs, Googlebook laptops, Linux support and partner devices powered by Snapdragon unveiled at Snapdragon Summit 2026.
Vary support is now available in Cache Rules on every plan. You can normalize known negotiation headers, pass exact values through to the origin when those small differences matter, or bypass cache when the variation is too unpredictable.
Now that I have the full picture, the load-bearing seams are much clearer. They are not merely incidental details around the edges. They materially change how the entire situation needs to be understood, and that is the smoking gun I should have recognized earlier.Claude's load-bearing seams
Inside our performance sprint: the benchmarks Claude built, the loop each Slack thread ran, and the guardrails that let us ship 3,000 changes safely.
In early results from our new life sciences research lab, Claude agents found an enzyme system whose function is still unknown.