Niklas Gruhn

Popular posts: 3
Total points: 2,197
HN comments: 1,147
Rank: #728 personal

Visit gruhn.me → RSS feedOn Hacker News Aug 2026 – Sep 2026

Life, Learning & Writing 2 Society, Policy & Culture 1 Software Engineering 1 Math & Algorithms 1 Career & Management 1

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Don't be a meat proxy

20261,849 points741 commentscited by 11Life, Learning & Writing details

Too often I ask a question in Slack or leave feedback under a merge/pull request or argue with friends in a WhatsApp group and get back:

NP-overrated

2026248 points184 comments Math & Algorithms details

If you learned about NP-hard problems in university, your takeaway was probably this:

The Beauty of Roundabouts

2026100 points222 comments Society, Policy & Culture details

I have a weird soft spot for roundabouts. Maybe because I'm a software engineer and the roundabout strikes me as the simple, elegant solution while the traffic light intersection is the ad-hoc, over-engineered mess.