Best of 2021

The blog posts Hacker News loved most in 2021. 5,820 posts.

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4501

Building an Emacs Lisp VM in Rust

Updated: 2023-01-06 About a year ago I was bitten by the PL bug. It started with reading Crafting Interpreters and discovering the wonders hidden under the hood of a compiler. I am also been a big fan of Emacs, and this started to get me interested in how its interpreter works. At the same time, I was reading the Rust…

4517

My EC2 Wishlist

While I've made engineers inside Amazon aware of all of these at various times, I think it's time to post my wishlist here — both so that a wider audience inside Amazon can hear more about these, and so that the FreeBSD community (especially the people who are financially supporting my work ) can see what I'm aiming…

4523

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…