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A half-hour to learn Rust
In order to increase fluency in a programming language, one has to read a lot of it. But how can you read a lot of it if you don’t know what it means? In this article, instead of focusing on one or...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 255 posts.
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Why I rewrote my Rust keyboard firmware in Zig: consistency, mastery, and fun
I’ve spent the last year building keyboards , which has included writing firmware for a variety custom circuit boards.
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Signed Char Lotte
“signed char lotte” is a computer program written by Brian Westley and the winner of the “Best Layout” award in the 1990 International Obfuscated C Code Contest. The cleverness of the text is staggering. Superficially it reads as an epistolary exchange between two (possibly former) lovers, Charlotte and Charlie. At…
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Why asynchronous Rust doesn't work
This is old! When I wrote it, I was a very different person.As it turns out, growing up a bit made me care a lot less about the nuances of Rust programming.
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Tricks I wish I knew when I learned TypeScript
TypeScript is a big Superset of JavaScript which has many features which might not be shown in every beginner tutorial. This post has three of them to make your life easier learning TypeScript.
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Understanding Python through its builtins
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Go is not an easy language
Go is not an easy programming language. It is simple in many ways: the syntax is simple, most of the semantics are simple. But a language is more than just syntax; it’s about doing useful stuff . And doing useful stuff is not always easy in Go.
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All C++20 core language features with examples
Introduction
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Understanding Rust futures by going way too deep
So! Rust futures! Easy peasy lemon squeezy. Until it’s not. So let’s do the easy thing, and then instead of waiting for the hard thing to sneak up on us, we’ll go for it intentionally. That’s all-a...
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Why I no longer contribute to Racket
Beautiful Racket
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Maintain It with Zig
No matter what language you program in or what applications you use: everything you do with a computer today is powered at some level by a piece of C/C++ code.
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Compiling Rust is NP-hard
...though it's not the flagship borrow checking that's at fault. What I noticed, and would like to share with you today, is that the exhaustiveness checking performed by the Rust compiler on match patterns is a superset of the SAT problem.…
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What was the point of [ “x$var” = “xval” ]?
In shell scripting you sometimes come across comparisons where each value is prefixed with "x". Here are some examples from GitHub:
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To learn a new language, read its standard library
The best way to learn a new programming language, just like a human language, is from example. To learn how to write code you first need to read someone else’s code. But who is the best person to learn from? Which code should we read? Where should we look to find it?
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On Repl-Driven Programming
Once upon a time, someone with the handle “entha_saava” posted this question on Hacker News :
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Ruby vs. Python comes down to the for loop
Contrasting how each language handles iteration helps understand how to work effectively in either.
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OO in Python is mostly pointless
Note from 2025 me - I largely still agree with myself - and I still see the same crappy OO code getting pumped out. The final point in "Exceptions" is worth emphasising more.
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Java Is Underhyped
The perspective of an ignorant computer science undergrad
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Gitlet.js – Git implemented in 1k lines of JavaScript (2015)
I wrote Gitlet to show how Git works under the covers. I wrote it to be readable. I commented the code heavily.
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Functors and Monads for People Who Have Read Too Many “Tutorials”
Title is literally true. This may not be the best place to learn about these concepts for the first time, because I'm going to focus on knocking down the misconceptions about them.
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Good and Bad Elixir
Words from Chris Keathley
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Learning Common Lisp to beat Java and Rust on a phone encoding problem
This may surprise you if you know me, but I’ve been learning Common Lisp for a few weeks now.
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A Review of the Zig Programming Language (Using Advent of Code 2021)
I’ve long thought that Zig was an interesting programming language, potentially more interesting than Rust in many respects given that Zig seems to be targetting a more modern C-like language replacement whereas Rust firmly looks like it is trying to take C++ out back like ol’ yeller. Rust is powerful, but the…
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