How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, January 23, 2026? The
           HackerNoon Newsletter
          brings the HackerNoon 
          homepage
          straight to your inbox.
          On this day,
          
            Apple launched the Macintosh Computer in 1984,  President Nixon Announced End to the grueling Vietnam War  in 1973,  HackerNoon published its first story! in 2016, 
          
          and  we present you with these top quality stories. 
          
            From 
        How to Add the AWS WAF CAPTCHA to an Angular Application
       to 
        How to Enter the Proof of Usefulness (PoU) Hackathon,
       let’s dive right in. HackerNoon Newsletter homepage On this day, Apple launched the Macintosh Computer President Nixon Announced End to the grueling Vietnam War HackerNoon published its first story! How to Add the AWS WAF CAPTCHA to an Angular Application How to Add the AWS WAF CAPTCHA to an Angular Application How to Enter the Proof of Usefulness (PoU) Hackathon How to Enter the Proof of Usefulness (PoU) Hackathon The Game AI Problem Computers Were Never Built to Solve The Game AI Problem Computers Were Never Built to Solve By @aimodels44 [ 7 Min read ] An explainer on why brute-force AI fails at grand strategy games, and how hybrid LLM architectures enable long-horizon strategic reasoning. Read More. @aimodels44 Read More. How to Enter the Proof of Usefulness (PoU) Hackathon How to Enter the Proof of Usefulness (PoU) Hackathon By @proofofusefulness [ 5 Min read ] No pitch decks. No mockups. Just code that works. Here is your step-by-step guide to entering HackerNoons $150K Proof of Usefulness Hackathon. Read More. @proofofusefulness Read More. How to Make Your Legacy Exception-Throwing Code Compatible With Lambdas How to Make Your Legacy Exception-Throwing Code Compatible With Lambdas By @nfrankel [ 6 Min read ] In this post, I tackled the issue of integrating checked exceptions with lambdas in Java. Read More. @nfrankel Read More. How to Add the AWS WAF CAPTCHA to an Angular Application How to Add the AWS WAF CAPTCHA to an Angular Application By @rodrigokamada [ 6 Min read ] In this article, we will create a WEB application using the latest version of Angular and integrate the AWS WAF CAPTCHA challenge to protect against bots. Read More. @rodrigokamada 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: 5 Risks You Have To Take as a Leader (1/22/2026)

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The HackerNoon Newsletter: How to Enter the Proof of Usefulness (PoU) Hackathon (1/23/2026)

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