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Sure, xor’ing a register with itself is the idiom for zeroing it out, but why not sub?

Sure, xor’ing a register with itself is the idiom for zeroing it out, but why not sub?

🔥 Explore this awesome post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Matt Godbolt, probably best known for being the proprietor of Compiler Explorer, wrote a brief article on why x86 compilers love the xor eax, eax instruction. The answer is that it is the most compact way to set a register to zero on x86. In particular, it is several bytes shorter than the more obvious mov eax, 0 since it avoids having to encode the four-byte constant. The x86 architecture does not have a dedicated zero register, so if you need to zero out a…
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justrach/kuri: Browser automation and web crawling for AI agents. Zig-native, token-efficient CDP snapshots, HAR recording, and a standalone fetcher. · GitHub

justrach/kuri: Browser automation and web crawling for AI agents. Zig-native, token-efficient CDP snapshots, HAR recording, and a standalone fetcher. · GitHub

💥 Explore this insightful post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Browser automation & web crawling for AI agents. Written in Zig. Zero Node.js. CDP automation · A11y snapshots · HAR recording · Standalone fetcher · Interactive terminal browser · Agentic CLI · Security testing Quick Start · Benchmarks · kuri-agent · Security Testing · API · Changelog Why teams switch to Kuri: 464 KB binary, ~3 ms cold start. On Google Flights, a full agent loop (go→snap→click→snap→eval) costs 4,110 tokens vs 4,880 for agent-browser — 16% less per cycle, compounding across multi-step tasks. Most browser…
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Things I’ve Learned as a Senior Engineer

Things I’ve Learned as a Senior Engineer

🔥 Read this insightful post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: A few years ago, a data engineer on r/ExperiencedDevs got drunk and wrote down everything he learned in 10 years of engineering. The original account is deleted, but the post captures something real — the kind of honesty you only get after a few glasses of wine. Preserving it here, typos and all.Contains the language you’d expect from someone who opened with ‘I’m drunk’.I’m drunk and I’ll probably regret this, but here’s a drunken rank of things I’ve learned as an engineer for the past…
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Global growth in solar “the largest ever observed for any source”

Global growth in solar “the largest ever observed for any source”

🔥 Explore this trending post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Moving to a solar-dominated grid When it comes to supplying electrons for those alternatives, the central story is solar power. “The absolute increase of solar PV generation in 2025 is the largest ever observed for any source,” the IEA says, “excluding years marked by rebounds from global economic shocks such as COVID-19.” In other words, with nothing in particular driving the energy markets in 2025, Solar’s growth was unprecedented. On its own, its growth covered a quarter of the rising demand for all forms of…
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FBI looks into dead or missing nuclear and space defense scientists

FBI looks into dead or missing nuclear and space defense scientists

💥 Explore this awesome post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Almost a dozen scientists related to nuclear and space defense programs tied to NASA, SpaceX, and Blue Origin are dead or missing in cases as far back as 2022, and they’ve gone largely unnoticed by authorities and the public—until now. The House Oversight Committee formally demanded answers from four federal agencies Monday on the deaths and disappearances of at least 11 American scientists and researchers with ties to NASA, nuclear research, and classified defense programs—several of them directly connected to the space defense technologies now…
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San Diego rents declined more than 19 of nation’s top 20 markets following surge in supply

San Diego rents declined more than 19 of nation’s top 20 markets following surge in supply

💥 Check out this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: San Diego rents have gone down since this time last year, according to a new report by Zumper, a rental platform that tracks rental data nationwide.The median rent for a 1- and 2-bedroom apartment in San Diego declined by 5.6% and 7.5%, respectively.The report found that there was about a 15% increase in active listings in San Diego over that timeframe, according to Crystal Chen from Zumper.“Generally speaking, the more supply there is, the less the prices will continue to increase,” Zack Defazio-Farell from…
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Anthropic Removes Claude Code From $20-A-Month “Pro” Subscription Plan For New Users (Developing)

Anthropic Removes Claude Code From $20-A-Month “Pro” Subscription Plan For New Users (Developing)

💥 Read this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Executive Summary: Anthropic appears to have removed access to Claude Code for its $20-a-month "Pro" Plans.Current Pro users appear to still have access via the Claude web app.Claude Code support documents exclusively refer to accessing Claude Code via "your Max Plan," after previously saying you could access "with your Pro or Max Plan."In developing news, Anthropic appears to have removed access to AI coding tool Claude Code from its $20-a-month "Pro" accounts. This is likely another cost-cutting move that follows a recent change (per The Information)…
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Member of Technical Staff, Product Engineering (full-time) at Trellis AI

Member of Technical Staff, Product Engineering (full-time) at Trellis AI

✨ Explore this trending post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Trellis builds and deploys computer use agents to get patients access to life-saving medicine. Our computer-use AI agents process billions of dollars worth of therapies annually with patients in all fifty states. We do this by automating document intake, prior authorizations, and appeals at scale to streamline operations and accelerate care. We classify medical referrals, understand chart notes, and automate contract and reimbursement search to provide patients with accurate coverage determinations and cost responsibility. Think of us as the Stripe of healthcare billing and reimbursements.…
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GitHub – Arc1011/KernelUNO: KernelUNO – a light-weight unix-like shell for arduino UNO r3 · GitHub

GitHub – Arc1011/KernelUNO: KernelUNO – a light-weight unix-like shell for arduino UNO r3 · GitHub

🚀 Check out this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: A lightweight RAM-based shell for Arduino UNO with filesystem simulation, hardware control, and interactive shell. Virtual Filesystem - Create files and directories in RAM (/dev, /home) - Hardware Control - GPIO management with pin mode configuration System Monitoring - Memory usage, uptime, kernel messages (dmesg) 22 Built-in Commands - From basic file operations to hardware control Interactive Shell - Real-time command execution with input buffering LED Disco Mode - Fun easter egg for testing GPIO Arduino UNO (or compatible board with ATmega328P) USB cable…
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I don’t want your PRs anymore

💥 Read this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: I really appreciate that you're enjoying the software I'm maintaining and want to help. But we need to rethink this collaboration, because I feel like we're increasingly wasting each other's time. Why I don't want to merge your PR# Since I don't really know you, I always have to assume that you might be trying to sneak in something malicious along with your changes, which makes reviewing and merging them riskier than implementing them myself. On top of that, there are a lot of personal…
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