How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, February 20, 2026? The
           HackerNoon Newsletter
          brings the HackerNoon 
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          straight to your inbox.
          On this day,
          
           we present you with these top quality stories. 
          
            From 
        I Migrated My Blog From Jekyll to Hugo - Or At Least, I Almost Did
       to 
        Living With the Lethal Trifecta:  A Guide to Personal AI Agent Security,
       let’s dive right in. HackerNoon Newsletter homepage On this day, I Migrated My Blog From Jekyll to Hugo - Or At Least, I Almost Did I Migrated My Blog From Jekyll to Hugo - Or At Least, I Almost Did Living With the Lethal Trifecta:  A Guide to Personal AI Agent Security Living With the Lethal Trifecta:  A Guide to Personal AI Agent Security Developer Hackathon by {{Company}}  HackerNoon? Developer Hackathon by {{Company}}  HackerNoon? By @hackmarketing [ 2 Min read ] Drive API adoption and evergreen SEO with HackerNoon’s 6-12 month remote hackathons. Reach 4M+ developers and build a lasting technical ecosystem today. Read More. @hackmarketing Read More. Living With the Lethal Trifecta:  A Guide to Personal AI Agent Security Living With the Lethal Trifecta:  A Guide to Personal AI Agent Security By @ihorkatkov [ 7 Min read ] I run a personal AI agent with access to my health, calendar, and Telegram. Here are security principles that keep the blast radius small.
 Read More. @ihorkatkov Read More. 7 Essential AI Engineering Libraries to Replace Boilerplate 7 Essential AI Engineering Libraries to Replace Boilerplate By @paoloap [ 7 Min read ] Replace custom LLM wrappers with 7 production-tested Python libraries. Covers LiteLLM, Instructor, FastMCP, PydanticAI, tiktoken, and more with code examples. Read More. @paoloap Read More. The Iron Wall of Robotics: Why Physics Will Defeat AI Hype The Iron Wall of Robotics: Why Physics Will Defeat AI Hype By @teopa [ 14 Min read ] Humanoid robots hit an Iron Wall of energy. We must offload physics to an External Cerebellum via 5G to solve movement. Read More. @teopa Read More. I Migrated My Blog From Jekyll to Hugo - Or At Least, I Almost Did I Migrated My Blog From Jekyll to Hugo - Or At Least, I Almost Did By @nfrankel [ 5 Min read ] In this post, I aim to explain what I learned from trying to migrate from Jekyll to Hugo, and why, in the end, I didnt take the final step. Read More. @nfrankel Read More. 🧑‍💻 What happened in your world this week? It's been said that
          writing can help consolidate technical knowledge,
          establish credibility,
           and contribute to emerging community standards.
          Feeling stuck? We got you covered ⬇️⬇️⬇️ writing can help consolidate technical knowledge establish credibility and contribute to emerging community standards ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, 
 The HackerNoon Team ✌️

The HackerNoon Newsletter: A Guide on How to Rewire Self-Doubt (2/19/2026)

What's New in the HackerNoon Newsletter?

The HackerNoon Newsletter: Developer Hackathon by {{Company}} HackerNoon? (2/20/2026)

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