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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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In Defense of C++
I really like C++. It's not the right tool for every job, but it's what I reach for when I need to do any kind of systems programming. Unfortunately, C++ has often been cited as a "bad" language, and I feel like that reputation has worsened over time. Recent languages like Go and Rust have taken over a lot of mind…
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Java's records, Lombok's data, and Kotlin's data classes
While all three remove boilerplate, the similarities don't go much further. Records have stronger semantics with important downstream benefits, which makes them better*. (* not always; depends on circumstances; excuse the clickbait)
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Problems with TypeScript
I would like the jury to know that I am, for the most part, a TypeScript fan but I do have some nagging doubts that I would like to discuss in this post.
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State of Python 3.13 performance: Free-threading
Python 3.13 is out and it's time to run some benchmarks to see how well it performs with the new free-threaded mode.
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.NET for Beginners (2020)
Programming, Coffee and Indie Hacking
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C++20 Ranges
As you may have heard by now, Ranges got merged and will be part of C++20. This is huge news and represents probably the biggest shift the Standard Library has seen since it was first standardized …
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The new Clang _ExtInt feature provides exact bitwidth integer types
Author: Erich Keane, Compiler Frontend Engineer, Intel Corporation Earlier this month I finally committed a patch to implement the extended-integer type class, _ExtInt after nearly two and a half years of design and implementation.
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Rails adds support for Fiber-safe ActiveRecord ConnectionPools
ActiveRecord's ConnectionPool is now fiber-safe! Configure config.active_support.isolation_level for better throughput.
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A new F# compiler feature: graph-based type-checking
Graph-based type-checking is a new F# compiler flag that allows the compiler to type-check files in a project in parallel whenever possible.
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JEP 450: Compact Object Headers
Reduce the size of object headers in the HotSpot JVM from between 96 and 128 bits down to 64 bits on 64-bit architectures. This will reduce heap size, improve deployment density, and increase data locality.
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Rewriting Libimagequant in Rust for Portability
libimagequant is a library for generating high-quality palettes, useful for compression of transparent PNG images (~75% smaller!) and making nice GIF animations .
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The FIPS 140-3 Go Cryptographic Module
Go now has a built-in, native FIPS 140-3 compliant mode.
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Running Swift code on Android
Apple's Swift has been available for over a year now, and Apple has promised it will be made available under an Open-Source license by the end of 2015.
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GCC now includes Modula-2 and Rust. Do they work on OpenBSD?
Two new language frontends have been added to GCC : Modula-2 and Rust . I think this is great news on both accounts: having a Wirth language in GCC fills my childhood heart with joy (though I do wish GNU Pascal can one day be revived and mainlined, as Pascal was the first non- BASIC language I learned). And Rust…
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How I stopped worrying and started loving the Assembly
Or why robots are playing DOOM now
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Will Hare replace C? Or Rust? Or Zig? Or anything else?
If the short answer leaves you wanting, keep reading. I must admit that this sentence from the Hare announcement may have caused some confusion:
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Great things about Rust that aren't just performance
Nearly every line of code I write for fun is in Rust. It's not because I need great performance, though that's a nice benefit. I write a lot of Rust because it's a joy to write code in. There is so much else to love about Rust beyond going fast without segfaults.
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C was not created as an abstract machine
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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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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From Julia to Rust
I've been more serious about learning Rust recently, after dragging on with passive learning for a while. My first real programming language was Julia, and I know other Julians interested in Rust. I've written this article for those people in mind, because Rust and Julia are good performance sparring partners, but…
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Weird Expressions in Rust
Rust has a very powerful type system, but as a result it has some quirks, some would say cursed expressions. There’s a test file, weird-expr.rs , in the rust repository that tests for some of these and makes sure there consistent between updates. So I wanted to go over each of these and explain how it’s valid rust.