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X Window System Basics (2014)
Since this article contains a lot of interactive demos relying on fairly modern browser technology, let's make sure that everything is OK before continuing.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 6,299 posts.
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FreeBSD Home Audio Studio
Another guest post by @NeoMoevius from Twitter. Same as earlier with the Native Urban Terror on FreeBSD article. This time it will be about setting up Home Audio Studio on a FreeBSD 13.1 system. Th…
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My 2023 all-flash ZFS NAS (Network Storage) build
For over 10 years now, I run two self-built NAS (Network Storage) devices which serve media (currently via Jellyfin) and run daily backups of all my PCs and servers. In this article, I describe my goals, which hardware I picked for my new build (and why) and how I set it up.
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Weakening TLS protection, South Korean style
TLS protocol is fundamental to internet security. All South Korean security applications add their own “trusted” Certificate Authorities however, weakening this protocol severely.
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Berkeley Mono Ligatures Release
Berkeley Mono Ligatures v1.009 release, Chicago Corporate Typeface, Berkeley Graphics identity, Houston Mono™ sneak peek.
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Django 4.2 Released
Posted by Mariusz Felisiak on April 3, 2023
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I've mostly stopped reading technical mailing lists
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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The new .zip TLD is going to cause some problems
Many years ago, Google applied for the .zip Top Level Domain. ICANN, in its infinite wisdom, granted it. And now, I think, bad things are going to happen. You see computers try to be helpful. They see you wrote "visit example.com" and autolink the thing which looks like a domain name. That's handy - especially as most…
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I Can't Sleep
I can't sleep. I'm lying in bed every night, and images of Gaza are running through my head. Fathers holding their babies, dead, caked in dust. Bombs dropped on homes [1], on hospitals [2], on schools [3]. Tens of thousands of dead [4] in indiscriminate bombings [5]. Children
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Keycloak with PostgreSQL on Kubernetes
In this article we will learn how to deploy Keycloak with PostgreSQL on Kubernetes. We will first do everything manually with separate YAMLs and then later with Helm. Our k8s environment will run i…
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Hedy Lamarr (2018)
Hedy Lamarr was an Austrian-American actress and inventor who pioneered the technology that would one day form the basis for today’s WiFi, GPS, and Bluetooth communication systems
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Deadweight Loss as a Service
The truth is that the best ideas are often psychotic, obscene, and unoriginal.
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A linear algebra trick for computing Fibonacci numbers fast
Fast Fibonacci Computations With a Linear Algebra Twist
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Exploiting null-dereferences in the Linux kernel
Posted by Seth Jenkins, Project Zero For a fair amount of time, null-deref bugs were a highly e...
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Going faster by duplicating code
This function doesn't know the value being multiplied until it is called. The compiler (gcc, O2) emits a generic integer multiply instruction in its loop body.
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Helix 23.10 Highlights
A post-modern modal text editor.
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Donkey code
This is an attempt to write down a very simple example I’ve been using to explain the profound impact the language we use has on thought, discussion and ultimately code. Imagine you have a co…
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Gamedev from Scratch 1: Scaffolding
Welcome to part 1 of this narrative series about writing a complete video game from scratch, using the PICO-8. This is actually the second part, because in this house (unlike Lua) we index from 0, so if you’re new here you may want to consult the introductory stuff and table of contents in part zero. If you’ve been…
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Waterloo Style
A blog about software development and programming.
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The Story behind ASINs – Amazon Standard Identification Numbers (2021)
This post explains how Amazon replaced ISBNs with ASINs (Amazon Standard Identification Numbers) for its Catalog Database Key
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What is the randomart image for?
When you generate an SSH key (like I did when looking at signing commits with SSH keys ), you get a “randomart image” from ssh-keygen . These things:
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How to Roman Republic 101, Part IIIb: Imperium
Bret Devereaux (A Collection of Unmitigated Pedantry)2023158 points44 commentsHistory & Retro Computing details
This is the second section of the third part of our planned five part series (I, II, IIIa, IIIb, IIIc, IV, V, A1, A2) on the structure of the Roman Republic during the third and second centuries, t…
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Understanding and coding the self-attention mechanism of large language models
Step-by-step tutorial explaining scaled dot-product self-attention for large language models, with Python code that builds the mechanism from scratch.
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Lean, Coq and other proof assistants: Visualising proofs as trees
This week we (me & Anton Kovsharov) published Paperproof, a Gentzen-tree-like proof interface for Lean 4. In this post I'll review proof visualisations from o...
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Reverse-engineering the electronics in the Globus analog navigational computer
In the Soyuz space missions, cosmonauts tracked their position above the Earth with a remarkable electromechanical device with a rotating ...
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C.R. Rao: A Life in Statistics (2020)
Presently into the 100th year of his life of vast experience, living in his Buffalo residence, here is a video message communicated by his daughter when he turned 99, at the beginning of a year-long celebration, with conferences in his honour at various places.
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The Garden of Computational Delights
Beneath the utilitarian purpose of computation, computing is also a source of delight and wonder . Software is not just databases and mail merges or SaaS and spreadsheets; it's creative coding and simulated cities , code poetry and bulletin board systems . It's websites that dazzle and iPhone apps that make the heart…