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The most popular blog posts about software engineering on Hacker News. 1,517 posts.

2021
996

I got the J language working on OpenBSD

Yes, I am aware that I am interrupting our self-hosting PL/0 compiler series but I think it will be worth it. Earlier today, I got the J language system running on OpenBSD . I find it important to write these up, because it helps me preserve my own knowledge of what I did and hopefully it will help others porting…

1002

GetElementById vs. QuerySelector

A while ago, I was curious how the speed of document.getElementById compared to document.querySelector in Javascript for selecting a single element by ID. querySelector has to do a lot more work, so one would expect that it would be slower, but I didn't know if the difference was enough to care about.

1007

Rust: Structuring and handling errors in 2020 (2020)

After working through “the book” on the Rust programming language and getting started with the first non-trivial, real-world application I found myself faced with a question I didn’t yet feel well-equipped to handle: “How should you structure error handling in a mature rust application?”