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Python 3.13 Gets a JIT
Reviewing the JIT in Python 3.13
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Pkl, a Programming Language for Configuration
We are delighted to announce the open source first release of Pkl (pronounced Pickle ), a programming language for producing configuration.
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How I write HTTP services in Go after 13 years
Mat Ryer, principal engineer at Grafana Labs and host of the Go Time podcast, shares what he’s learned from more than a dozen years of writing HTTP services in Go.
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Go: What we got right, what we got wrong
This is my closing talk ( video ) from the GopherConAU conference in Sydney, given November 10, 2023, the 14th anniversary of Go being lau...
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The two factions of C++
The dream of a single dialect-free C++ has probably been dead for many years, anyway.
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Writing Gnome Apps with Swift
Swift is well-suited for creating user interfaces thanks to the clean syntax, static typing, and special features making code easier to write. Result builders, combined with Swift’s closure expression syntax, can significantly enhance code readability.
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Free-threaded CPython is ready to experiment with
An overview of the ongoing efforts to improve and roll out support for free-threaded CPython throughout the Python open source ecosystem
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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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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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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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I Created 175 Fonts Using Rust
How I used my own Rust tool to ship 175 quality pixel fonts.
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PHP 8.4
PHP 8.4 is a major update of the PHP language. It contains many new features, such as property hooks, asymmetric visibility, an updated DOM API, performance improvements, bug fixes, and general cleanup.
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SICP: The only computer science book worth reading twice? (2010)
I was talking to one of my students earlier, and lent him a book to read over summer. It was only after he’d left that I realised that — for me at any rate — the book I’d given him is probably the most seminal work in the whole of computer science, and certainly the book that’s most influenced my career and research…
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Piet: Programming language in which programs look like abstract paintings (2002)
Piet is a programming language in which programs look like abstract paintings. The language is named after Piet Mondrian , who pioneered the field of geometric abstract art. I would have liked to call the language Mondrian, but someone beat me to it with a rather mundane-looking scripting language. Oh well, we can't…
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Ruby: A great language for shell scripts
It’s more than rails!
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Why Haskell?
Haskell is a great programming language with many features that make it easier to write robust software, and yet it is rarely taken up by software engineering teams. This essay aims to explain my views as to why Haskell is a great choice for programmers.
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Ruby 3.4.0
We are pleased to announce the release of Ruby 3.4.0. Ruby 3.4 adds it block parameter reference,changes Prism as default parser, adds Happy Eyeballs Version...
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Porting SBCL to the Nintendo Switch
For the past two years Charles Zhang and I have been working on getting my game engine, Trial, running on the Nintendo Switch. The primary challenge in doing this is porting the underlying Common Lisp runtime to work on this platform. We knew going into this that it was going to be hard, but it has proven to be quite…
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Java in the Small
Java has many features that make it well suited for large, long-lasting projects. But I find it surprisingly good for small tasks as well. Recent language features make it even better. The killer features are compile-time typing and great tool support.
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Tcl 9.0
Tcl/Tk 9.0 is the latest major release of both Tcl and Tk. It features many new capabilities, and presents some incompatibilities with Tcl/Tk 8.
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Swift 6
We’re delighted to announce the general availability of Swift 6. This is a major new release that expands Swift to more platforms and domains.
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Everything you need to know about Python 3.13 – JIT and GIL went up the hill
All you need to know about the latest Python release including Global Interpreter Lock and Just-in-Time compilation.
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Improvements to static analysis in GCC 14
Learn about static analysis improvements coming in GCC 14 with -fanalyzer, which helps identify issues in C code at compile-time, rather than at runtime.
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Writing a Rust compiler in C
To bootstrap Rust, no cost is too great.
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Clojure 1.12.0 is now available
Clojure 1.12.0 is now available! Find download and usage information on the Downloads page.
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Dear sir, you have built a compiler (2022)
I am afraid to inform you that you have built a compiler. I know you wanted a “simple prototype” that would just add that one feature to your programming model. You said that “SSA is an overkill” and “it’s just way too much infrastructure to maintain for a simple task” and yet, six months later, you have pile of…
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Use Prolog to improve LLM's reasoning
On one side, LLMs show unseen capabilities in reasoning, but on the other - reasoning in LLMs is not ideal.