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Jank is C++
jank is Clojure. jank is C++. The combination is amazing.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,823 posts.
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Write any javascript code with just these characters: ()[]{}+
Hi! I've taken this blog offline, but you can still read this post in the archive.org version .
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When LIMIT 9 works but LIMIT 10 hangs
I got a Slack message from colleagues at a major partner. They’d updated their dev environment to support WebSockets, so that Neon’s serverless driver could be used there, but then they’d run into a weird issue. The nub of it was this: This hangs: This works Reproducibly, the query without an ORDER BY ran fine […]
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All in with Nuitka
After more than 10 years of working on the Python compiler Nuitka, and at the age of 50, I have finally decided to take the plunge. My projects “Nuitka” and “Nuitka commercial” are now my day job , and I quit my work in the Air Traffic Community, after working on ARTAS (a software to create an Air Situation Picture…
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What Test Engineers Do at Google: Building Test Infrastructure
Author: Jochen Wuttke In a recent post, we broadly talked about What Test Engineers do at Google . In this post, I talk about one aspect o...
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Learning Parser Combinators with Rust
This article teaches the fundamentals of parser combinators to people who are already Rust programmers. It assumes no other knowledge, and will explain everything that isn't directly related to Rust, as well as a few of the more unexpected aspects of using Rust for this purpose. It will not teach you Rust if you don't…
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Io uring
Introduced in 2019 (kernel 5.1) by Jens Axboe, io_uring (henceforth uring) is a system for providing the kernel with a schedule of system calls, and receiving the results as they're generated. Whereas epoll and kqueue support multiplexing, where you're told when you can usefully perform a system call using some set of…
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Differentiable Neural Computers
In a recent study in Nature, we introduce a form of memory-augmented neural network called a differentiable neural computer, and show that it can learn to use its memory to answer questions about complex, structured data, including artificially generated stories, family trees, and even a map of the London Underground…
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Diff Algorithms
How I overcame copying and modifying my own diff library from project to project by diving too deep into diff algorithms and coming out at the other end with new diff library in my hand.
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Some flag emojis aren’t working on Chrome on Windows
A blog post by Ryan Geyer
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“Computer science is not about computers”
Edsger W. Dijkstra? Alan Perlis? Jacques Arsac? George Johnson? Donald Knuth? Matthew Dennis Haines? Anonymous?
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The hater's guide to Kubernetes
Among a certain tech set, Kubernetes has earned a reputation as an unnecessarily complicated time-sink that startups should avoid. Using Kubernetes with a small team is seen as a sign of over-engineering.
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Brave Browser introduces vertical tabs
Brave's vertical tabs feature is now available for Windows, macOS, and Linux users to experience a new way to manage open tabs.
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Beyond Light Table
I have three big announcements to make today. The first is the official announcement of our next project. We’ve been quietly talking about it over the past few months, but today we want to tell you a bit more about it and finally reveal its name:
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Throw away your first draft of your code
The next time you start on a major project, I want you to write code for a couple of days and then delete it all . Just throw it away.
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Nix: Taming Unix with Functional Programming
Nix is all about applying functional programming to files and processes.
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Python built-ins worth learning
Update: You can find a newer version of this article on Python Morsels. In every Intro to Python class I teach, there’s always at least one “how...
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PHP 7.4
PHP is a popular general-purpose scripting language that powers everything from your blog to the most popular websites in the world.
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The 4-chan Go programmer
A very silly concurrency exercise in using Go channels that send channels that send channels that send channels.
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Git Undo
Tell me if you recognize this scenario: you’re in the middle of rewriting your local commits when you suddenly realize that you have gone too far and, after one too many rebases, you are left with a history that looks nothing like the way you wanted. No? Well, I certainly do. It was in one of those moments of despair…
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Useful GCC warning options not enabled by -Wall -Wextra
Note: This blog post was written for GCC 7. Later versions of the compiler may have added some of these warnings to -Wall or -Wextra . ...
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GitHub Stale Bots – A False Economy
Stale Bot’s are a type of automated bot on Github, which locks issues which are “stale” (as in have no recent activity). This seems like a helpful tool at first, but in reality it’s terrible for all p
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Go 1.19 Released
The latest Go release, version 1.19, arrives five months after Go 1.18 . Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility . We expect almost all Go programs to continue to compile and run as before.
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A decade of developing a programming language
In 2013, I had an idea: "what if I were to build my programming language?". Back then my idea came down to "an interpreted language that mixes elements from Ruby and Smalltalk", and not much more.
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How to use Claude Code subagents to parallelize development
Updated 2026-07-10 for the agent-teams era. Originally published September 2025. A subagent in Claude Code is a separate agent your session spawns to do a...