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Sandboxes won't save you from OpenClaw
AI agent misbehavior isn't a sandbox problem—it's a permissions problem.
New
The latest blog posts to take off on Hacker News. 5,964 posts.
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Windows 11 Notepad to support Markdown
Hello Windows Insiders, today we are beginning to roll out updates for Notepad and Paint apps to Windows Insiders in the Canary and Dev Channels on Windows 11. Notepad (version 11.2512.10.0) In this update, we’re introduci
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Racket v9.1
_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.1 is now available from https://download.racket-lang.org/. As of this release:: Documentation organization and navigation can be specialized by language family, to...
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New accounts on HN more likely to use em-dashes
I’ve had this sense that HN has gotten absolutely innundated with bots last few months. First most obvious giveaway is the frequency with which you see accounts posting brilliant insights like 13 60 well and t6ctctfuvuh7hguhuig8h88gd to f6gug7h8j8h6fzbuvubt GB I be cugttc fav uhz cb ibub8vgxgvzdrc to bubuvtxfh tf d…
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Never buy a .online domain
I’ve been a .com purist for over two decades of building. Once, I broke that rule and bought a .online TLD for a small project. This is the story of how it went up in flames.
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I rendered 1,418 confusables over 230 fonts. Most aren't confusable to the eye
confusable-vision renders every TR39 confusable pair across 230 macOS system fonts and measures visual similarity with SSIM. 96.5% of confusables.txt is not high-risk, but 82 pairs are pixel-identical in at least one font.
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LLM=True
Your AI coding agent is drowning in noise
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The Eternal Promise: A History of Attempts to Eliminate Programmers
From COBOL in the 1960s to AI in the 2020s, every generation promises to eliminate programmers. Explore the recurring cycles of software simplification hype.
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Can you reverse engineer our neural network?
A lot of “capture-the-flag” style ML puzzles give you a black box neural net, and your job is to figure out what it does. When we were thinking of creating o...
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Amazon accused of widespread scheme to inflate prices across the economy
California Attorney General Rob Bonta alleged Amazon led a price-fixing conspiracy of online retailers to inflate prices across the entire economy. And he's demanding an immediate halt.
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Mercury 2: Fast reasoning LLM powered by diffusion
Today, we're introducing Mercury 2 — the world's fastest reasoning language model, built to make production AI feel instant.
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Looks like it is happening
Update: Sorry, but a commenter points out that this may just be an artifact of counting based on when most recently modified, not on original submission date. Numbers using original, not most recen…
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Mac mini will be made at a new facility in Houston
Apple today announced a significant expansion of factory operations in Houston, bringing the future production of Mac mini to the U.S. for the first time.
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How we rebuilt Next.js with AI in one week
One engineer used AI to rebuild Next.js on Vite in a week. vinext builds up to 4x faster, produces 57% smaller bundles, and deploys to Cloudflare Workers with a single command.
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We are changing our developer productivity experiment design
Our second developer productivity study faces selection effects from wider AI adoption, prompting us to redesign our approach.
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OpenAI, the US government and Persona built an identity surveillance machine
53MB of source code leaked from a government endpoint. 269 verification checks. biometric face databases. SAR filings to FinCEN. and the same company that verifies your ChatGPT account.
4970
An interactive intro to quadtrees
An interactive exploration of quadtrees. Start with brute-force spatial search, build recursive space partitioning step by step, then use it for point lookups, range queries, nearest-neighbor search, collision detection, and image compression.
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Open Letter to Google on Mandatory Developer Registration for App Distribution
Open Letter to Google Regarding Mandatory Developer Registration for Third-Party App Distribution
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Large-Scale Online Deanonymization with LLMs
We measure the capabilities of LLMs to deanonymize users online.
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I'm helping my dog vibe code games
My cavapoo Momo vibe coded playable Godot games. All I had to do was teach her to type, route her input to Claude Code, and build the right tools.
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80386 Protection
I'm building an 80386-compatible core in SystemVerilog and blogging the process. In the previous post , we looked at how the 386 reuses one barrel shifter for all shift and rotate instructions. This time we move from real mode to protected and talk about protection .
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Stripe valued at $159B, 2025 annual letter
Stripe announces tender offer to provide liquidity to current and former employees; publishes 2025 annual letter
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Dissecting the CPU-memory relationship in garbage collection (OpenJDK 26)
The author of Java 26's MemoryMXBean.getTotalGcCpuTime() analyzes the CPU-memory trade-off and why pause times fail to capture explicit GC cost.
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Why the KeePass format should be based on SQLite
Mohammed Ketab
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Goodbye InnerHTML, Hello SetHTML: Stronger XSS Protection in Firefox 148
Cross-site scripting (XSS) remains one of the most prevalent vulnerabilities on the web. The new standardized Sanitizer API provides a straightforward way for web developers to sanitize untrusted HTML before inserting it into the DOM. Firefox 148 is the first browser to ship this standardized security enhancing API…
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I pitched a roller coaster to Disneyland at age 10 in 1978
A story about Disneyland's Space Mountain and a 10-year-old inventor.
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Sprites on the Web
In game development, it’s common to use spritesheets for animation, but this technique isn’t as widely used on the web these days. Which is a shame, because we can do some pretty cool stuff with sprites! In this post, we’ll share the niche CSS function you can use to leverage this technique, and explore some of the…