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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 3,470 posts.
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Floating-Point Determinism (2013)
Is IEEE floating-point math deterministic? Will you always get the same results from the same inputs? The answer is an unequivocal “yes”. Unfortunately the answer is also an unequivocal “no”. I’m a…
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React, Facebook, and the Revocable Patent License. Why It’s a Paper 🐯.
Update(9/25/17): My article about the licensing change.
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Golang data races to break memory safety
Go is becoming more and more popular as a programming language and getting more scrutiny from a security point of view. You might remember m...
577
Why isn't my time zone highlighted on the world map?
In the original release of Windows 95, you could change your time zone by clicking on the map, and the time zone you selected would highlight. Similarly,
578
Emacs Rocks! Episode 13: multiple-cursors
Find and mark the next part of the buffer matching the currently active region, while also keeping the current region. Get it here .
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Code execution with MCP for efficient agents
Learn how code execution with the Model Context Protocol enables agents to handle more tools while using fewer tokens, reducing context overhead by up to 98.7%.
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JSONPath - XPath for JSON
A frequently emphasized advantage of XML is the availability of plenty tools to analyse, transform and selectively extract data out of XML documents. XPath is one of these powerful tools.
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Boolean Blindness
I hate Booleans! But isn’t everything “just bits”? Aren’t computers built from gates? And aren’t gates just the logical connectives? How can a Computer Scientist p…
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Clean Coder Blog
Over the last several years we’ve seen a whole range of ideas regarding the architecture of systems. These include:
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Elastic tabstops
Elastic tabstops - a better way to indent and align code
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PEP 373 – Python 2.7 Release Schedule
This document describes the development and release schedule for Python 2.7.
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Things that amuse me
I think the only serious gripe is what you call your biggest gripe, and I must say that I envy this in Haskell. As you know, in the eager world we tend to write out our own recursive functions, rather than use combinators. You give part of the reason; the other part is that deforestation and related transformations…
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Security advisory: Critical remote code execution vulnerabilities, update now
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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Firefox’s new streaming and tiering compiler
People call WebAssembly a game changer because it makes it possible to run code on the web faster. Some speedups are already present, and some are yet to come. With ...
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Calls between JavaScript and WebAssembly are finally fast
At Mozilla, we want WebAssembly to be as fast as it can be. This started with its design, which gives it great throughput. Then we improved load times with a ...
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AI will make formal verification go mainstream
Much has been said about the effects that AI will have on software development, but there is an angle I haven’t seen talked about: I believe that AI will bring formal verification, which for decades has been a bit of a fringe pursuit, into the software engineering mainstream.
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Four kinds of documentation
Find the software documentation system for Divio. Includes comprehensive tutorials, how-to guides, technical reference and explanation. Learn more here.
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Mythos Finds a Curl Vulnerability
yes, as in singular one. Back in April 2026 Anthropic caused a lot of media noise when they concluded that their new AI model Mythos is dangerously good at finding security flaws in source code. Apparently Mythos was so good at this that Anthropic would not release this model to the public yet but instead … Continue…
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Transformers from Scratch (2021)
I procrastinated a deep dive into transformers for a few years. Finally the discomfort of not knowing what makes them tick grew too great for me. Here is that dive.
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Svelte 3: Rethinking Reactivity
It’s finally here
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Show HN: Htop 2.0 released, now cross-platform
This is htop, a cross-platform interactive process viewer. It is a text-mode application (for console or X terminals) and requires ncurses.
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The Yaml document from hell
As a data format, yaml is extremely complicated and it has many footguns. In this post I explain some of those pitfalls by means of an example, and I suggest a few simpler and safer yaml alternatives.
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The internals of PostgreSQL
After a temporary stay in Japan to focus on my health and personal responsibilities, I am fully recovered, ready, and excited to work abroad again.
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Generics can make your Go code slower
Go Generics are a long-awaited feature added in Go 1.18. This article covers how generics were implemented in Go and some surprising ways they can impact your code.