DTF:HN for April 13, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for April 13, 2026. Featuring: All elementary functions from a single binary operator, The Economics of Software Teams: Why Most Engineering Orgs Are Flying Blind, Show HN: I built a social media management tool in 3 weeks with Claude and Codex, Taking on CUDA with ROCm: 'One Step After Another', DIY Soft Drinks, and more. Stories covered: 1. All elementary functions from a single binary operator https://arxiv.org/abs/2603.21852 HN discussion: https://news.ycombinator.com/item?id=47746610 2. The Economics of Software Teams: Why Most Engineering Orgs Are Flying Blind https://www.viktorcessan.com/the-economics-of-software-teams/ HN discussion: https://news.ycombinator.com/item?id=47748064 3. Show HN: I built a social media management tool in 3 weeks with Claude and Codex https://github.com/brightbeanxyz/brightbean-studio HN discussion: https://news.ycombinator.com/item?id=47749674 4. Taking on CUDA with ROCm: 'One Step After Another' https://www.eetimes.com/taking-on-cuda-with-rocm-one-step-after-another/ HN discussion: https://news.ycombinator.com/item?id=47745284 5. DIY Soft Drinks https://blinry.org/diy-soft-drinks/ HN discussion: https://news.ycombinator.com/item?id=47741701 6. Bring Back Idiomatic Design (2023) https://essays.johnloeber.com/p/4-bring-back-idiomatic-design HN discussion: https://news.ycombinator.com/item?id=47738827 7. Show HN: boringBar – a taskbar-style dock replacement for macOS https://boringbar.app/ HN discussion: https://news.ycombinator.com/item?id=47742200 8. Most people can't juggle one ball https://www.lesswrong.com/posts/jTGbKKGqs5EdyYoRc/most-people-can-t-juggle-one-ball HN discussion: https://news.ycombinator.com/item?id=47702887 9. Ask HN: What Are You Working On? (April 2026) HN discussion: https://news.ycombinator.com/item?id=47741527 10. Optimization of 32-bit Unsigned Division by Constants on 64-bit Targets https://arxiv.org/abs/2604.07902 HN discussion: https://news.ycombinator.com/item?id=47737542