4951
Six Math Essentials
Just a brief announcement that I have been working with Quanta Books to publish a short book in popular mathematics entitled “Six Math Essentials”, which will cover six of the fundament…
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The latest blog posts to take off on Hacker News. 80,813 posts.
4952
I built Timeframe, our family e-paper dashboard
Over the past decade, I've worked to build the perfect family dashboard system for our home, called Timeframe:
4953
Linuxulator on FreeBSD Feels Like Magic
Most linux software just work on FreeBSD
4954
Fix your tools
Last week I had to diagnose a bug in an open source library I maintain. The issue was gnarly enough that I couldn’t find it right away, but then I thought: if I set a breakpoint here and fire up the debugger, I will likely find the root cause very soon… and then proceed to mercilessly destroy it! So I rolled up my…
4955
We hid backdoors in ~40MB binaries and asked AI + Ghidra to find them
BinaryAudit benchmarks AI agents using Ghidra to find backdoors in compiled binaries of real open-source servers, proxies, and network infrastructure.
4956
Git's Magic Files
Magic files and where to find them: .gitignore, .gitattributes, .mailmap, .git-blame-ignore-revs, .lfsconfig, and more.
4957
Attention Media ≠ Social Networks
When web-based social networks started flourishing nearly two decades ago, they were genuinely social networks. You would sign up for a popular service, follow people you knew or liked and read updates from them. When you posted something, your followers would receive your updates as well. Notifications were genuine…
4958
What is a database transaction?
What are database transactions and how do SQL databases isolate one transaction from another?
4959
Back to FreeBSD: Part 1
Containers ran in production on FreeBSD thirteen years before Docker. So why does nobody talk about it?
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4961
How I use Claude Code: Separation of planning and execution
The research-plan-implement workflow I use to build software with Claude Code, and why I never let it write code until I've approved a written plan.
4962
Why is Claude an Electron app?
If coding agents make native ports cheap, why does Anthropic still ship Claude as an Electron app? Because code is cheap but maintenance isn’t.
4963
Aesthetics of single threading
This essay explores the cost of multitasking through computer science concepts like context switching and advocates for the focus found in single-threaded moments.
4964
Parse, Don't Validate and Type-Driven Design in Rust
Applying the type-driven mindset to rust via the "Parse, don't Validate" pattern
4965
How Taalas “prints” LLM onto a chip?
A startup called Taalas , recently released an ASIC chip running Llama 3.1 8B (3/6 bit quant) at an inference rate of 17,000 tokens per seconds. That's like writing around 30 A4 sized pages in one second. They claim it's 10x cheaper in ownership cost than GPU based inference systems and is 10x less electricity hog…
4966
Cloudflare outage on February 20, 2026
Cloudflare suffered a service outage on February 20, 2026. A subset of customers who use Cloudflare’s Bring Your Own IP (BYOIP) service saw their routes to the Internet withdrawn via Border Gateway Protocol (BGP).
4967
Personal Statement of a CIA Analyst
A former CIA analyst describes her polygraph experiences with the CIA and as a contractor working for the National Reconnaissance Office (NRO), FBI, and Defense Intelligence Agency (DIA).
4968
macOS's Little-Known Command-Line Sandboxing Tool (2025)
AVAILABLE NOW OpenAI, Anthropic, and Chrome ship it. Apple deprecated it. Nobody documented it. Until now. → sandbox-exec: The Miss...
4969
Unsung heroes: Flickr's URLs scheme
A blog about software craft and quality
4970
A distributed queue in a single JSON file on object storage
How to build a single global queue for distributed systems on object storage: Start with a single file on object storage, then add write batching, a stateless broker, and high-availability.
4971
Andrej Karpathy talks about "Claws"
Andrej Karpathy tweeted a mini-essay about buying a Mac Mini ("The apple store person told me they are selling like hotcakes and everyone is confused") to tinker with Claws: I'm …
4972
24 Hour Fitness won't let you unsubscribe from marketing spam, so I fixed it
I found a one-line JavaScript bug in the 24 Hour Fitness unsubscribe page and built a working alternative. The official page has since been fixed.
4973
EU mandates replaceable batteries by 2027 (2023)
The new law will ensure that batteries are collected, reused and recycled in Europe and will support the shift to a circular economy.
4974
Acme Weather
Over the years it went through numerous iterations — including more than one major redesign — as we worked our way through the process of learning what makes a great weather app. Eventually, in time, it was acquired by Apple, where the forecast and some core features were incorporated into Apple Weather.
4975
4976
Meta Deployed AI and It Is Killing Our Agency
Managing millions in Meta ad spend, yet treated like we don't exist. An inside look at how Meta's AI-driven changes are disrupting agencies and advertiser performance.
4977
Cord: Coordinating Trees of AI Agents
AI agents are good at doing one thing at a time. Give Claude a focused task and it performs. But real work isn’t one task. It’s a tree of tasks with dependencies, parallelism, and context that needs to flow between them.
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Across the US, people are dismantling and destroying Flock surveillance cameras
Anger over ICE connections and privacy violations is fueling the sabotage. PLUS: 10,000 drivers call on Uber to repay stolen wages, a man is arrested at a public hearing about a data center and more.
4980
Don't create .gitkeep files, use .gitignore instead (2023)
Git only tracks files, not directories. It will only create a directory if it contains a tracked file. But sometimes you need to “track” a directory, to ensure it exists for fresh clones of a repository. For example, you might need an output directory called build.