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Linux Internals: How /proc/self/mem writes to unwritable memory

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✨ Explore this trending post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Introduction An obscure quirk of the /proc/*/mem pseudofile is its “punch through” semantics. Writes performed through this file will succeed even if the destination virtual memory is marked unwritable. In fact, this behavior is intentional and actively used by projects such as the Julia JIT compiler and rr debugger. This behavior raises some questions: Is privileged code subject to virtual memory permissions? In general, to what degree can the hardware inhibit kernel memory access? By exploring these questions, this article will shed light on the…

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Most of the Economy Is in a Recession, Tech the Only Bright Spot: Jim Paulsen

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🔥 Check out this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: The US economy has proven more resilient than many feared, but one Wall Street veteran says that a recession is only being held back by tech. Jim Paulsen, a markets strategist with more than 40 years of experience on Wall Street, argued that most of the economy is already in a recession. Tech spending has an outsized influence on economic growth, bolstering the data while the "old" economy struggles."Technology may be the tail wagging the dog, but the rest is a recession by any…

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What Azure WAF Detection Mode Actually Does (and Doesn’t)

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🚀 Discover this awesome post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Your WAF is enabled. Your dashboard is green. And every attack hitting your application is going straight through to the backend. Why?Somewhere in your Azure environment, there is probably a WAF policy sitting in Detection mode. Not because someone made that call explicitly. Not because there’s an active incident requiring passive observation. Just because that’s the default, tuning takes a while, and nothing ever forced the conversation to a close.Your security posture dashboard says WAF is enabled. Technically, that’s true.Detection mode is not a weaker…

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Rabrg/artificial-life: A simple (300 lines of code) reproduction of Computational Life: How Well-formed, Self-replicating Programs Emerge from Simple Interaction · GitHub

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💥 Check out this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: A simple (300 lines of code) reproduction of Computational Life: How Well-formed, Self-replicating Programs Emerge from Simple Interaction. A 240x135 grid of 64 instruction-length Brainfuck-like programs are randomly initialized. Every iteration, neighboring programs are randomly paired, have their instruction tapes concattenated together, and are run for a maximum of $2^🔥$ steps. Once execution completes, the tapes are split back apart. The instructions are such that they can loop and mutate the instruction tapes (programs) themselves. As found in the paper, self-replicating programs that copy…

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I made a programming language with M&Ms

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✨ Read this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: How much of this article was AI-generated — code, prose, or structure. The rest is human-written. What if a little pile of M&Ms on a table was a real program? I mean literally. Imagine you arrange M&M-like candies into a specific pattern, that pattern is executable code. Alright story time. Featuring inline interactive interpreter embedded right inside this post. It all started when I spilled a full packet of GEMS † GEMS is sort of an Indian version of M&Ms. on the floor cus I…

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BigBodyCobain/Shadowbroker: Open-source intelligence for the global theater. Track everything from the corporate/private jets of the wealthy, and spy satellites, to seismic events in one unified interface. The knowledge is available to all but rarely aggregated in the open, until now. · GitHub

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🔥 Check out this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Global Threat Intercept — Real-Time Geospatial Intelligence Platform ShadowBroker is a real-time, full-spectrum geospatial intelligence dashboard that aggregates live data from dozens of open-source intelligence (OSINT) feeds and renders them on a unified dark-ops map interface. It tracks aircraft, ships, satellites, earthquakes, conflict zones, CCTV networks, GPS jamming, and breaking geopolitical events — all updating in real time. Built with Next.js, MapLibre GL, FastAPI, and Python, it's designed for analysts, researchers, and enthusiasts who want a single-pane-of-glass view of global activity. 🛩️ Aviation Tracking…

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“I Can’t Do That, Dave” — No Agent Yet Ever

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💥 Read this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: The last 5 sessions I fought our auth layer. Can we please refactor it?No agent yet ever..."Move fast and break things" scales.Until it doesn't.That moment is now.When Meaning EmergesMeaning is not found, it is generated in the conversation.—Anderson & Goolishian (Human Systems as Linguistic Systems, 1988)Not a touchy-feely claim.Hard science.The quality of a person's attention determines the quality of other people's thinking.—Nancy Kline (Time to Think, 1999)It is not the domain experts' knowledge that goes to production,it is the assumption of the developers.—Alberto Brandolini (creator…

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Based on its own charter, OpenAI should surrender the race

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💥 Explore this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Back in 2018, OpenAI published a charter, which includes a self-sacrifice clause: We are concerned about late-stage AGI development becoming a competitive race without time for adequate safety precautions. Therefore, if a value-aligned, safety-conscious project comes close to building AGI before we do, we commit to stop competing with and start assisting this project. We will work out specifics in case-by-case agreements, but a typical triggering condition might be “a better-than-even chance of success in the next two years.” Interestingly, this is still hosted at…

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Oracle may slash up to 30,000 jobs to fund AI data-center expansion as US banks retreat

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🔥 Explore this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Sanchit Vir Gogia, chief analyst at Greyhound Research, sees the banking divergence as a critical warning sign. “The difference in sentiment between US and Asian banks isn’t just a minor detail; it’s the first serious sign of financial friction in Oracle’s hyperscale ambitions,” he said. The $300 billion OpenAI deal may look impressive, he added, but “when you look closer, it’s built on backlog with no guaranteed revenue and massive capex requirements.” Gogia argued that enterprises need to fundamentally rethink how they view Oracle cloud…

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UPDATED Request to the European Commission to adhere to its own guidances

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🔥 Check out this insightful post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: The European Commission has accepted our request, and starting from today – Friday March 6 – has added the Open Document Format ODS version of the spreadsheet to be used to provide the feedback. We are grateful to the people working at DG CONNECT, the Commission’s Directorate-General for Communications Networks, Content and Technology, for responding to our request within 24 hours. At this point, the rest of this message is no longer relevant, and the call for action is no longer necessary. ARCHIVED MESSAGE…

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