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Topics /
Programming Languages
The most popular blog posts about programming languages on Hacker News. 5,634 posts.
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Rewriting the Ruby parser
At Shopify, we have spent the last year writing a new Ruby parser, which we’ve called YARP (Yet Another Ruby Parser). As of the date of this post, YARP can parse a semantically equivalent syntax tree to Ruby 3.3 on every Ruby file in Shopify’s main codebase, GitHub’s main codebase, CRuby, and the 100 most popular gems…
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Android Ported to C#
Use an agent skill to prepare your existing .NET MAUI app for Xcode 27, with the scene lifecycle changes and manual migration steps explained.
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The C23 edition of Modern C
The C23 edition of Modern C is now available for free download from And as before a dedicated page for the book may be found at where you also may find a link to download the code examples that com…
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93% of paint splatters are valid Perl programs (2019)
TLDR: read the paper and view the gallery of pretty Perl programs. In this paper, we aim to answer a long-standing open problem in the programming languages community: is it possible to smear paint on the wall without creating valid Perl?
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Curl is C
For some reason, this post got picked up again and is debated today in 2021, almost 4 years since I wrote it. Some things have changed in the mean time and I might've phrased a few things differently if I had written this today. But still, what's here below is what I wrote back then. … Continue reading curl is C →
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Wat
This talk does not represent anyone's actual opinion. For a more serious take on software, try Destroy All Software Screencasts: 10 to 15 minutes every other week, dense with information on advanced topics like Unix, TDD, OO Design, Vim, Ruby, and Git.
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RBS, Ruby’s new type signature language
Introducing RBS, Ruby’s new type signature language
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Writing a C compiler in 500 lines of Python
Blog about linguistics, programming, and my projects
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Nim 2.0
The Nim team is proud and happy to announce Nim version 2.0.
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Ruby 3.1
We are pleased to announce the release of Ruby 3.1.0. Ruby 3.1 keeps compatibility with Ruby 3.0 and also adds many features.
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Moving from TypeScript to Rust / WebAssembly
My experience with both languages.
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Swift System Is Now Open Source
In June, Apple introduced Swift System, a new library for Apple platforms that provides idiomatic interfaces to system calls and low-level currency types. Today, I’m excited to announce that we’re open-sourcing System and adding Linux support! Our vision is for System to eventually act as the single home for low-level…
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Why we created Julia - new language for fresh approach to technical computing
In short, because we are greedy....
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Pin
The Pin type (and the concept of pinning in general) is a foundational building block on which the rest of the the Rust async ecosystem stands. Unfortunately, it has also been one of the least accessible and most misunderstood elements of async Rust. This post is meant to explain what Pin achieves, how it came to be…
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Ruby on Rails in a week
I had 7 days to learn Ruby on Rails. I often think about approaches to learning, and it was time to put my ideas into practice.
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Four days of Go
Part of my work involves the mild reverse-engineering of binary file formats. I say “mild” because usually other people do all of the actual work; I just have to figure out what an extra flag field or two means, and I then take as much credit as possible for the discovery on my blog.
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Elixir 1.17 released: set-theoretic types in patterns, durations, OTP 27
Elixir v1.17 released: set-theoretic data types, calendar durations, and Erlang/OTP 27 support.
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TypeScript at Google
What I've been working on the last few years.