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Hacker News (30 Jun 2025)

  1. The new skill in AI is not prompting, it's context engineering

    873 points • 505 comments • jun 30, 2025

  2. Xfinity using WiFi signals in your house to detect motion

    633 points • 473 comments • jun 30, 2025

  3. Proton joins suit against Apple for practices that harm developers and consumers

    632 points • 610 comments • jun 30, 2025

  4. There are no new ideas in AI, only new datasets

    471 points • 264 comments • jun 30, 2025

  5. Gridfinity: The modular, open-source grid storage system

    420 points • 176 comments • jun 30, 2025

  6. I write type-safe generic data structures in C

    406 points • 176 comments • jun 30, 2025

  7. Melbourne man discovers extensive model train network underneath house

    387 points • 142 comments • jun 30, 2025

  8. That XOR Trick (2020)

    308 points • 128 comments • jun 30, 2025

  9. Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

    274 points • 72 comments • jun 30, 2025

  10. Donkey Kong Country 2 and Open Bus

    261 points • 62 comments • jun 30, 2025