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Software Engineering

The most popular blog posts about software engineering on Hacker News. 1,747 posts.

2025
811

Easy Forth (2015)

This small ebook is here to teach you a programming language called Forth. Forth is a language unlike most others. It’s not functional or object oriented, it doesn’t have type-checking, and it basically has zero syntax. It was written in the 70s, but is still used today for certain applications .

816

These years in Common Lisp: 2023-2024 in review

This is a personal pick of the most interesting projects, tools, libraries and articles that popped-up in Common Lisp land in the last two years.Newcomers might not realize how the Common Lisp ecosystem, though stable in many ways, actually evolves, sharpens, tries new solutions, proposes new tools, ships new…

817

Building Bauble

I made something that I think is pretty neat, and I want to tell you about it. This is a little hot air balloon made out of alternating layers of brass and bronze that stack together with these angled facets: It’s 3D printed, sort of, but it really is solid metal – it’s not a metallic filament. It’s made by “lost wax…

827

Generating Voronoi diagrams using Fortune's algorithm

This article is about using Fortune’s Algorithm to generate Voronoi Diagrams in O(nlogn) time. If I’d known how hard it would be I wouldn’t have started it. If you are intending to implement it with the intent to actually use it, rather than as an exercise, I would recommend not using Fortune’s. Unless you are doing a…

836

The Simplicity of Prolog

Nowadays the most popular programming languages are Python, Javascript, Java, C++, C#, Kotlin and Ruby, and the average programmer is probably familiar with one or more of these languages. It's relatively easy to switch from one to another (barring any framework specific knowledge that may be needed), since they are…

838

Java Hello World, LLVM Edition

After exploring Java bytecode in previous years (2022, 2023, 2024), this year we’ll take an unexpected detour for a Java advent: instead of generating Java bytecode, we’ll use Java to build and execute LLVM IR, the intermediate language behind compilers like clang. Using Java’s Foreign Function & Memory (FFM) API…