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Elixir Is Erlang, not Ruby
Elixir is not Ruby. The familiar syntax has definitely helped the language win the hearts of the broader developer community. Yet, under the hood, Elixir is all about Erlang.
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Programming Languages
The most popular blog posts about programming languages on Hacker News. 5,634 posts.
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Platform-independent SIMD in Go
Go 1.27 adds an experimental platform-agnostic SIMD API
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Mojo is now open source
The Apache 2.0 license is the gold standard for programming languages and compilers, because it provides great flexibility to be used in all sorts of applications. The LLVM extensions to the license further expand those freedoms for building and distributing binaries compiled from Mojo. We want you to be able to adopt…
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Python and Django on Heroku
Python has joined the growing ranks of officially-supported languages on Heroku's polyglot platform, going into public beta as of today. Python is the...
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Hello wasm-pack
Introducing wasm-pack, a new tool for assembling and packaging Rust crates that target WebAssembly. These packages can be published to the npm Registry and used alongside other packages. This means ...
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Java 21 makes me like Java again
Algebraic data types in Java.
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C++26 Disapproved
On October 23, 2026, the unthinkable happened. It was supposed to be a mere formality: C++26 was up for a vote by the ISO National Bodi...
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I write type-safe generic data structures in C
See my follow-up article: “A Fast, Growable Array With Stable Pointers in C” I write type safe generic data structures in C using a technique that I haven’t seen elsewhere1. It uses unions to associate type information with a generic data structure, but we’ll get to that. My approach works for any type of data…
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Mercurial’s journey to and reflections on Python 3
Mercurial 5.2 was released on November 5, 2019. It is the first version of Mercurial that supports Python 3. This milestone comes nearly 11 years after Python 3.0 was first released on December 3, 2008.
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From Design Patterns to Category Theory (2017)
How do you design good abstractions? By using abstractions that already exist.
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Julia 1.6 Highlights
Some highlights of the Julia 1.6 release.
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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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The use of `class` for things that should be simple free functions
For those who only read above the fold: I don’t say that all object-orientation is bad! OOP, especially classical polymorphic OOP, has a well-deserved place in real code. I’m going to talk about a very specific antipattern that I see with some frequency: the use of class for things that should be simple free functions.
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Fortran is still a thing
A short essay about Fortran in the modern world.
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Deno Is Webby
The Deno team recently shipped Deno by example : Deno by example is a collection of annotated examples for how to use Deno, and the various features it…
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Python 3.7: Introducing Data Classes
Python 3.7 is set to be released this summer, let’s have a sneak peek at some of the new features! If you’d like to play along at home with PyCharm, make sure you get PyCharm 2018.1 (or later if you’r
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I'm writing a book about algorithms and Lisp
Drago — a nice example of a real-world binary tree This was the first post about my book on algorithms and Lisp. Writing it, actually, st...
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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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Crimes with Python's pattern matching
Let's make the CPython team regret adding pattern matching to Python!
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How I Wrote a Modern C++ Library in Rust
Since version 56, Firefox has had a new character encoding conversion library called encoding_rs. It is written in Rust and replaced the old C++ character encoding conversion library called uconv that dated from early 1999. Initially, all the callers of the character encoding conversion library were C++ code, so the…
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I stopped everything and started writing C again
Welcome to kmx.io
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Moving from Go to PHP Again
After two years on Go, moving our shop applications back to PHP.
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