Best of 2021

The blog posts Hacker News loved most in 2021. 3,497 posts.

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2703

Curl those funny IPv4 addresses

Everyone knows that on most systems you can specify IPv4 addresses just 4 decimal numbers separated with periods (dots). Example: 192.168.0.1 Useful when you for example want to ping your local wifi router and similar. "ping 192.168.0.1" Other bases The IPv4 string is usually parsed by the inet_addr() function or at…

2713

Hydrofoiling

I was standing on a floating dock on a Pacific-ocean inlet, a place where it’s obvious why motorboats are such an environmental disaster. Fortunately lots of other people have noticed too and it looks increasingly that more people will be able to enjoy Messing About In Boats without feeling like they’re making Greta…