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A case for Go as the best language for AI agents
Pull up your agents folks, I'll convince you why Go is the best language for them.
Topics /
Programming Languages
The most popular blog posts about programming languages on Hacker News. 233 posts.
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Bringing Clojure programming to Enterprise (2021)
How a dialect of LISP can help developping modern enterprise applications
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A Road to Lisp: Which Lisp
Comparison of modern Lisp dialects
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2026 is an exciting year for the Rust compiler (and me)
Matyáš Racek's blog
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TruffleRuby
TruffleRuby started as my internship project at Oracle Labs in early 2013. It is an implementation of the Ruby programming language on the JVM, using the Graal dynamic compiler and the Truffle AST interpreter framework . TruffleRuby can achieve peak performance well beyond that possible in JRuby at the same time as…
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Functional programmers need to take a look at Zig
I’ve been tinkering around with Zig to explore what’s possible with comptime. Whenever I evaluate a new language I use three axes:
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A tail-call interpreter in (nightly) Rust
Exploring tail-call-style interpreter implementation with an optimized Uxn emulator, on ARM, x86, and WebAssembly
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Small Programs and Languages
My Implementing a Forth article got some great feedback, particularly around the subject of tiny Forth implementations. (And it was an excuse to list some of the tiniest Forths I’ve seen.)
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Python's pre-declared constants are kinda weird
python has 6 pre-declared "constants": True , False , None , __debug__ , Ellipsis (or equivalently ... ), and NotImplemented . but they all behave slightly differently, for some reason.
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Java sealed classes and exhaustive pattern matching
Java 17 introduced sealed classes, which allow you to explicitly list the allowed sub-types of an interface or base class. For example, here’s a toy example using a sealed interface and records (in…
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Four Months of Zig
It has been about four months since I returned to Zig after being absent for a few years. In this time, I have written some software in Zig and reengaged with the community, online and in person. I decided to share some of that experience, including what I have liked about Zig so far and what I haven't. I'll include…
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//go:fix inline and the source-level inliner
How Go 1.26's source-level inliner works, and how it can help you with self-service API migrations.
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Valen's Memory Safety: A New Kind of Borrow Checking
You all know me, I love exploring new memory safety approaches and blending them together in weird ways.
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WASM is not quite a stack machine
Everyone knows Wasm is a stack machine. Wikipedia says so, the official Wasm design specification says so, you get it. I thought so too. That is, until I started writing Wasm code – not compiling for Wasm, but writing the instructions by hand. And I found out that there exists a major difference between Wasm and all…
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Crystal 1.22
We are announcing a new Crystal release 1.22.0 with several new features and bug fixes.
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Go.sum is not a lockfile
In Go, go.mod acts as both manifest and lockfile. There is never a reason to look at go.sum.
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Looking at Unity made me understand the point of C++ coroutines
I had seen many talks about coroutines but it never really clicked where I could use them outisde of async IO. Until I looked at how Unity uses them in C#.
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Writing a C Compiler, in Zig (2025)
First foray into the Zig programming language
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Bespoke: A programming language for people who say please
Modern programming languages are full of violence, vulgar abbreviations, and naked imperatives. Bespoke is a statically typed alternative in which exceptions are regrettable circumstances, mutexes ...
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Anecdotally, programmers dislike "reduce"
From my experience, people like functions like "map" and "filter", but not "reduce".
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C extensions, portability, and alternative compilers
Anyone who's written C knows that full ISO C standard-adhering code is an impractical rarity. Most real world C code out there relies on non-standard behaviors and language extensions to varying extents, and a lot of this isn't for extra features, but just to work around bugs and gaps in different compilers and…
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Pyodide 314.0: Python packages can now publish WebAssembly wheels to PyPI
We are pleased to announce the Pyodide 314.0 release. This release focuses on standardization and packaging, marking a significant milestone in the Python-in-the-browser ecosystem. PEP 783 is Accepted: What Does It Mean? The acceptance of PEP 783: Emscripten packaging marks perhaps the most exciting change in the…
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C for Rust programmers
Interesting and unexpected details for Rust programmers learning the C programming language.
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C++26: Trivial infinite loops are no longer undefined behaviour
Let’s start with a question! Is this program well-defined? 1 2 3 4 int main() { while (true) ; } If you said yes, you’d be wrong — at least before C++26. A while (true); loop with no side effects used to be undefined behaviour. Compilers were free to assume it terminates, and some — Clang in particular — would…
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Understanding the Go Compiler: The Linker
In the previous post , we watched the compiler transform optimized SSA into machine code bytes and package them into object files. Each .o file contains the compiled code for one package—complete with machine instructions, symbol definitions, and relocations marking addresses that need fixing. But your program isn’t…
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Rust is just a tool
A programming language should not be your identity.
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Allocating on the Stack
A description of some of the recent changes to do allocations on the stack instead of the heap.