DTF:HN for April 15, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for April 15, 2026. Featuring: Want to Write a Compiler? Just Read These Two Papers (2008), Good Sleep, Good Learning (2012), Fixing a 20-year-old bug in Enlightenment E16, Claude Code Routines, My AI-Assisted Workflow, and more. Stories covered: 1. Want to Write a Compiler? Just Read These Two Papers (2008) https://prog21.dadgum.com/30.html HN discussion: https://news.ycombinator.com/item?id=47776796 2. Good Sleep, Good Learning (2012) https://super-memory.com/articles/sleep.htm HN discussion: https://news.ycombinator.com/item?id=47776557 3. Fixing a 20-year-old bug in Enlightenment E16 https://iczelia.net/posts/e16-20-year-old-bug/ HN discussion: https://news.ycombinator.com/item?id=47774789 4. Claude Code Routines https://code.claude.com/docs/en/routines HN discussion: https://news.ycombinator.com/item?id=47768133 5. My AI-Assisted Workflow https://www.maiobarbero.dev/articles/ai-assisted-workflow/ HN discussion: https://news.ycombinator.com/item?id=47775653 6. Costasiella kuroshimae – Solar Powered animals, that do indirect photosynthesis https://en.wikipedia.org/wiki/Costasiella_kuroshimae HN discussion: https://news.ycombinator.com/item?id=47740840 7. Claude may require identity verification in some cases https://support.claude.com/en/articles/14328960-identity-verification-on-claude HN discussion: https://news.ycombinator.com/item?id=47775633 8. Google Gemma 4 Runs Natively on iPhone with Full Offline AI Inference https://www.gizmoweek.com/gemma-4-runs-iphone/ HN discussion: https://news.ycombinator.com/item?id=47774971 9. Wacli – WhatsApp CLI: sync, search, send https://github.com/steipete/wacli HN discussion: https://news.ycombinator.com/item?id=47775628 10. A communist Apple II and fourteen years of not knowing what you're testing https://llama.gs/blog/index.php/2026/04/10/friday-archaeology-a-communist-apple-ii-and-fourteen-years-of-not-knowing-what-youre-testing/ HN discussion: https://news.ycombinator.com/item?id=47724571