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Clojure: Realtime collaborative web apps without ClojureScript
A blog mostly about Clojure programming
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 573 posts.
542
How much Anthropic and Cursor spend on Amazon Web Services
So, I originally planned for this to be on my premium newsletter, but decided it was better to publish on my free one so that you could all enjoy it. If you liked it, please consider subscribing to support my work. Here’s $10 off the first year of annual.
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Open-sourcing circuit tracing tools
Our open-source tools generate attribution graphs showing how language models reach decisions.
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Snapchat is harming children at an industrial scale?
In their own words, we see that Snap Inc’s design choices expose millions of kids to harm
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Cross-Site Request Forgery
Cross-Site Request Forgery countermeasures can be greatly simplified using request metadata provided by modern browsers.
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Pump the Brakes on Your Police Department's Use of Flock Safety
Even if you can’t stop Flock’s use entirely, you can still help protect civil liberties in your community.
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Python Workers redux: fast cold starts, packages, and a uv-first workflow
Recent advancements in Cloudflare Python Workers means fast cold starts, comprehensive package support, and a great developer experience. We explain how they were achieved and show how Python can be used to build serverless applications on Cloudflare.
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Experimental Tauri Verso Integration
The cross-platform app building toolkit
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Flame Graphs vs Tree Maps vs Sunburst (2017)
Flame Graphs vs Tree Maps vs Sunburst explores different hierarchal visualizations by visualizing file system or disk space.
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Unfortunately, the ICEBlock app is activism theater
At this summer's HOPE conference, Joshua Aaron spoke about ICEBlock, his iPhone app that allows users to anonymously report ICE sightings within a 5 mile radius, and to get notifications when others report ICE sightings near them. You can see the full talk, and the lively/infuriating Q&A,
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Encrypting files with passkeys and age
Encrypting files with passkeys, using the WebAuthn prf extension and the TypeScript age implementation.
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The (economic) AI apocalypse is nigh
Like you, I'm sick to the back teeth of talking about AI. Like you, I keep getting dragged into discussions of AI. Unlike you‡, I spent the summer writing a book about why I'm sick of writing about AI⹋, which Farrar, Straus and Giroux will publish in 2026.
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We built another object storage
High-performance object storage exists, but the economics make it unusable at scale. FractalBits breaks out of the high-performance trap.
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AT&T Email-to-Text Gateway Service Ending June 17
Effective June 17, 2025, you can no longer send or receive texts using email.
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The inspection paradox is everywhere (2015)
I have updated this article with new data, better code, and friendlier data visualization. You can read the new version here . Th...
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The "AI 2027" Scenario: How realistic is it?
Everyone’s been talking about it. JD Vance read it. What does it actually tell us?
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Understanding Spec-Driven-Development: Kiro, Spec-Kit, and Tessl
Notes from my colleagues on AI-assisted software delivery
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Why some DVLA digital services don't work at night
Every few months or so, somebody asks on social media why a particular DVLA digital service is turned off over night. Rather than answering it every time, I’ve decided to write this post, so I can point people at it in future. It’s a great case study to show why making government services digitally native can be quite…
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States and cities decimated SROs, Americans' lowest-cost housing option
Low-cost micro-units, often called single-room occupancies, or SROs, were once a reliable form of housing for the United States’ poorest residents of, and newcomers to, New York, Chicago, San Francisco, and many other major U.S. cities.
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Qwen2.5-Max: Exploring the intelligence of large-scale MoE model
QWEN CHAT API DEMO DISCORD It is widely recognized that continuously scaling both data size and model size can lead to significant improvements in model intelligence. However, the research and industry community has limited experience in effectively scaling extremely large models, whether they are dense or…
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Claude Code Is My Computer
I run Claude Code with --dangerously-skip-permissions flag, giving it full system access. Let me show you a new way of approaching computers.
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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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My Gift to the Rustdoc Team
About two weeks ago I entered a discussion with the docs.rs team about, basically, why we have to look at this: When we could be looking at this: And of course, as always, there are reasons why thi...
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Design Patterns for Securing LLM Agents Against Prompt Injections
This new paper by 11 authors from organizations including IBM, Invariant Labs, ETH Zurich, Google and Microsoft is an excellent addition to the literature on prompt injection and LLM security. …
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Updated rate limits for unauthenticated requests
To provide a secure and dependable experience on GitHub, we’re rolling out updates to rate limits for requests made without authentication. These changes will apply to operations like cloning repositories…
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A board member's perspective of the RubyGems controversy
What a week it's been as a Ruby Central Board Member.