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Inside Rust's std and parking_lot mutexes – who wins?
A teardown of Rust's mutex internals plus real benchmarks so you know when to choose std or parking_lot.
New
The latest blog posts to take off on Hacker News. 5,634 posts.
272
The lost cause of the Lisp machines
I am just really bored by Lisp Machine romantics at this point: they should go away. I expect they never will....
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What Killed Perl?
Trick question! Perl is not dead. I’ll show you what I mean, and then still answer what I think killed Perl.
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`satisfies` is my favorite TypeScript keyword (2024)
TIL: `satisfies` is my favorite TypeScript keyword
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Experiment: Making TypeScript immutable-by-default
I got it working with arrays and records, but couldn't make it work for regular objects.
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Ruby 4.0.0 Preview2
We are pleased to announce the release of Ruby 4.0.0-preview2. Ruby 4.0 updates its Unicode version to 17,0.0, and so on.
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Compiling Ruby to machine language
I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished.
278
The inconceivable types of Rust: How to make self-borrows safe (2024)
One of the first things any Rust programmer learns is that you can’t pass an object and a reference to that object around at the same time. It’s impossible to do, even indirectly. This limitation has been the subject of countless questions on Stack Overflow and posts on Reddit and the Rust forums and anywhere else…
279
Designing a Language (2017)
Of course you want to design (and implement!) your own programming language! It’s fun. It’s creative. It’s empowering.
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Go's Sweet 16
Happy Birthday, Go!
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Linear algebra explains why some words are effectively untranslatable
A modest mathematical framing of language
282
V8 Garbage Collector
wingolog: article: the last couple years in v8's garbage collector
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A catalog of side effects
Optimizing compilers like to keep track of each IR instruction’s effects. An instruction’s effects vary wildly from having no effects at all, to writing a specific variable, to completely unknown (writing all state).
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.NET 10
Announcing the release of .NET 10, the most productive, modern, secure, intelligent, and performant release of .NET yet. With updates across ASP.NET Core, C# 14, .NET MAUI, Aspire, and so much more.
285
Zig / C++ Interop
Learn how we use macros to make it less painful to use Zig structs in C++ (and vice versa)
286
Zig and the design choices within
(From someone who has spent far too much time thinking about the designs of programming languages)
287
Writing your own BEAM
This is my Code BEAM Europe 2025 talk, converted to a blogpost.
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Why is Zig so cool?
I can’t think of any other language in my 45 years long career that surprised more than Zig . I can easily say that Zig is not only a new programming language, but it’s a totally new way to write programs, in my opinion. To say it’s merely a language to replace C or C++, it’s a huge understatement.
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We chose OCaml to write Stategraph
OCaml's type system catches state corruption at compile time. Type-safe SQL, automatic serialization, and immutability by default prevent entire categories of bugs.
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The state of SIMD in Rust in 2025
If you’re already familiar with SIMD, the table is all you need. And if you’re not, you will understand the table by the end of the…
294
Ruby and Its Neighbors: Smalltalk
Smalltalk was the second major influence on Ruby's design. A different kind of influence, since almost nothing of Smalltalk's syntax made into Ruby. But many of the details of how objects work are directly inspired by Smalltalk, including the idea that every piece of data is part of the object system.
295
When your hash becomes a string: Hunting Ruby's million-to-one memory bug
An "impossible" Ruby bug: Hashes becoming Strings at runtime. 2,700 identical crashes. No corruption. Just objects changing what they are. Deep dive.
296
My Experience of building Bytebeat player in Zig
I graduated last month, and my GSoC project along with my startup work finally wrapped up. To take a proper break and enjoy some deliberate...
297
JVM exceptions are weird: a decompiler perspective
Some time ago, I played around with decompiling Java class files in a more efficient manner than traditional solutions like Vineflower allow. Eventually, I wrote an article on my approach to decompiling control flow, which was a great performance boost for my prototype. At the time, I believed that this method can be…
298
Dependent types and how to get rid of them
are-dependent-types-actually-erased - Chad Nauseam Home
299
Why engineers can't be rational about programming languages
The neuroscience of why we make million dollar decisions based on identity, not data.
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Learning to read Arthur Whitney's C to become smart (2024)
it's not working