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✨ Explore this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: We got pretty excited yesterday when OpenAI put a demo of GPT-6 Astra working on a circuit board in KiCad on the front page of its launch post. It is cool to see electronics show up in a major model release like this. We are obviously still some distance from asking an AI to build an entire phone in one prompt. The demo does raise a question we have been thinking about for a while, though: how do we measure whether the electronics an AI…

🔥 Explore this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: After hours on Wednesday, July 29, 2026, Rietta executed our emergency hotfix procedure across our entire client base for sites impacted by a severe remote code execution vulnerability in ActiveStorage, a component of Ruby on Rails 8 and newer. We worked off the initial GitHub Security Advisory, published the same day the patch shipped. Ethiack, one of the research teams that discovered the flaw, dubbed it KindaRails2Shell (CVE-2026-66066) in their initial disclosure post that same day, July 29th, with a full technical deep-dive following the…

💥 Check out this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Command language for modems Hayes 300 Baud Smartmodem The Hayes command set (also known as the AT command set) is a specific command language originally developed by Dale Heatherington and Dennis Hayes[1][2] for the Hayes Smartmodem in 1981. The command set consists of a series of short text strings that can be combined to produce commands for operations such as dialing, hanging up, and changing the parameters of the connection. The vast majority of dial-up modems use the Hayes command set in numerous variations.…

🔥 Read this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Providing developers the best model for the task at hand has always been our goal. Earlier this year, we made that easier by launching Auto model selection, which reviews your task and matches it to the best-suited model for that task.  Today, we’re introducing Project HydraFusion, a research preview that delivers frontier intelligence through runtime orchestration. It creates a full execution plan, choosing from models across multiple providers to draft, critique and revise, or cascade to more powerful models to complete your task.  HydraFusion fills…

💥 Check out this awesome post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: US military officials say they have disabled advertising trackers on a range of phones and computers, according to letters released on Friday by the US senator Ron Wyden and ⁠statements given to Reuters.The development follows reports ​that commercially available location data had been used to target American forces in the Middle East.The air force told Wyden it disabled the advertising identifiers on computers and mobile phones two ⁠months ago. US Special Operations Command said in a separate letter that it had “recently” disabled them…

💥 Explore this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Important: Starting January 2027, Gmail will no longer support the "Send as" feature for third-party email addresses, such as @yahoo.com or @outlook.com. This change does not affect Google Workspace aliases or other Gmail addresses you own. Learn about changes to third-party email account support in Gmail. If you own another email address, you can send mail as that address. For example: Yahoo, Outlook, or other non-Gmail address Your work, school, or business domain or alias, like @yourschool.edu or youralias@gmail.com Another Gmail address Tip: You can…

🔥 Check out this trending post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Last year, the Department of Defense announced it was taking a $400 million stake in critical minerals company MP Materials, and loaning the company an extra $150 million to expand operations at its mining site in Mountain Pass, California, the only rare earth location in the U.S. The historic deal was the first of several direct equity investments and loans the Pentagon has aggressively doled out to battery storage and mining companies in the second Trump administration, which now total more than $2 billion…

🔥 Explore this insightful post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: ImportantThis is a region configuration change, not a firmware update or firmware fix. It will not repair a Wi-Fi hardware or router problem. Use this guide when 5 GHz Wi-Fi is unavailable because of the TV's factory region configuration. Seriously, LG? The hardware supports 5 GHz, but the Middle East region config disables it anyway. Change the region and it magically works. This is a stupid, artificial limitation that should not exist on a premium TV. WarningChanging the region can affect tuner behavior, the LG…

✨ Check out this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: SubImage maps infrastructure the way an attacker does so security teams at scale-ups and enterprises can find and fix problems. We’re built on Cartography, the open source tool our founders helped create at Lyft that’s now a CNCF project, adopted at over 70 companies. We are a seed stage company (a mighty team of 4!) but are growing rapidly - our customers are companies and organizations that your parents have heard of. We need engineering help to meet the demand! This is your chance…

🔥 Check out this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Or: Why do I always do things the hard way? Jane Street periodically puts out challenges, and this one thoroughly nerd-sniped me and sent me down a month-long rabbit hole that I’m only now emerging from. This post is an overview of how I solved it with a combination of hard-headedness and sleep deprivation. It’s going to be decently technical, but in future posts I’ll go over the specifics of each step if people are interested. For some background I’d recommend looking at the…