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My first patch to the Linux kernel
How an undefined behavior in C made me pull my hair out for days but became my first patch to the Linux kernel!
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 49,218 posts.
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Go compiler internals: Adding a new statement to Go
Updated (2023-05-08): the Go compiler keeps evolving and it takes time to keep up with changes. While the general gist of this post remains true and it's worth reading to understand how the compiler works on a high level, the details of the modifications are slightly different now.
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The Recursive Universe
A few years ago I came across this video, showing a complex machine built entirely in Conway’s Game of Life:
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EU parliament agreement to remove chat control and safeguard secure encryption
This week, the European Parliament's negotiators reached a broad majority agreement on a common position concerning the controversial EU chat control bill. The Commission’s bill proposes bulk scanning and reporting of private messages for allegedly suspicious content by using error-prone algorithms,
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HTTP 308 Incompetence Expected
Internet History The Internet from every angle has always been a house of cards held together with defective duct tape. It's a miracle tha...
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Photogrammetry on commercial flights (2021)
Airplane window seats are great! Not only are they more comfy and easier to take a nap in, but they also have the most quaint form of in-flight entertainment: The outside world!
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John McCarthy: The Robot and the Baby
THE ROBOT AND THE BABY
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"Diff for HN": Update and highlight changes
Well well well, it's been quite a while! Nice to see you again. Sorry for the delay... I forgot my blog password, and I had to run some errands, the decade just got away from me. Anyway, the password was qwerty123 so let's get on with it...
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Damn Cool Algorithms: Homomorphic Hashing
Posted by Nick Johnson | Filed under homomorphic-hashing , damn-cool-algorithms , fountain-codes
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A Visual and Interactive Guide to the Basics of Neural Networks
Discussions: Hacker News (63 points, 8 comments), Reddit r/programming (312 points, 37 comments) Translations: Arabic, French, Spanish Update: Part 2 is now live: A Visual And Interactive Look at Basic Neural Network Math Motivation I’m not a machine learning expert. I’m a software engineer by training and I’ve had…
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Things I wish I knew earlier about Machine Learning
I’ve been working with Machine Learning models both in academic and industrial settings for a few years now. I’ve recently been watching the excellent Scalable ML from Mikio Braun, this…
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The collapse of the econ PhD job market
What is an Economics PhD worth in 2025?
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Maybe the problem is that Harvard exists
An unhinged polemic
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Dijkstra on Haskell and Java (2001)
In 2001, Edsger W. Dijkstra wrote a letter to the Budget Council of The University of Texas. A PDF is available here , I’ve typed it up so that everyone can read it. Sadly, the curriculum was changed to Java . Relatedly, the algorithmic language Scheme was replaced by Python in MIT’s The Structure and Interpretation…
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When the sun will literally set on what's left of the British Empire
A while ago I treated you to a dissertation entitled “Does The Sun Set On The British Empire?”, and concluded that it doesn't. The UK's widely scattered overseas territories, sparse though they are, mean that the sun is still always shining, somewhere in the world, over British territory.
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Why is everyone trying to build a solid-state battery?
A battery technology that’s getting a lot of attention is solid-state batteries, lithium-ion batteries that replace the liquid electrolyte with a solid material.
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Using unix as your IDE
This series has been independently translated into Chinese , Russian , Turkish , and Korean , and formatted as an ebook .
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I Nearly Lost All of My Data
My home server completely shit the best recently and I thought I'd lost all my data.
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Censorship is bad even when it’s done by private companies
NOTE: This post is a slightly longer version of a piece I recently published on The Federalist. Their editor asked me to cut some passages because it was a bit long, but I figured that readers of my blog would…
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K8s Service Meshes: The Bill Comes Due
Kubernetes Service Meshes aren't free anymore, what teams need to know moving forward.