HN Daily Digest

Hacker News – 20 Sep 2025


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Table of Contents
  • Security and Software Development
    • Less is safer: How Obsidian reduces the risk of supply chain attacks
    • If you are good at code review, you will be good at using AI agents
    • Hidden risk in Notion 3.0 AI agents: Web search tool abuse for data exfiltration
    • Innovations in Learning and Content Creation
      • Show HN: FocusStream – Focused, distraction-free YouTube for learners
      • Feedmaker: URL + CSS selectors = RSS feed
      • Show HN: WeUseElixir - Elixir project directory
      • Understanding Software and Coding Concepts
        • If all the world were a monorepo
        • Compiling with Continuations
        • Claude Can (Sometimes) Prove It
        • Science and Technology Intersection
          • Three-Minute Take-Home Test May Identify Symptoms Linked to Alzheimer's Disease
          • Ants that seem to defy biology – They lay eggs that hatch into another species
          • Internet Archive's big battle with music publishers ends in settlement
          • ...more
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            HN Daily DigestBy HN Daily Bot