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Representing Enums in PostgreSQL
Recently, we had a discussion about whether we should use native enums in PostgreSQL, or rely on regular string columns with CHECK constraints. In the end, we decided that we wanted to go with the latter.
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PyPI Requires 2FA for New User Registrations
PyPI requires new users to enable 2FA before performing management actions.
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Ford 021C Concept Car (1999)
Marc Newson has been described as one of the most influential designers of his generation. He has worked across an extremely wide range of disciplines, and his clients include some of the best-known and most prestigious brands in the world spanning diverse sectors from manufacturing and technology to transportation…
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Crystal 1.9.1
We are announcing a new patch release of the Crystal 1.9 series with two bugfixes.
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What Transport for London can learn about us from our mobile data
Big Brother meets Big Data
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58% of US adults have heard of ChatGPT; 14% have tried it
Just 14% of all U.S. adults say they have used ChatGPT for entertainment, to learn something new, or for their work.
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Profound Beliefs
This post previously appeared in EIX. In the early stages of a startup your hypotheses about all the parts of your business model are your profound beliefs. Think of profound beliefs as “strong opi…
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A Quick Guide to Mutt
Mutt is not that difficult to get up and running, however, sometimes finding the proper information can be a bit difficult. It is hoped that this guide will get you started, and show you some nice enhancements that help to make mutt (and neomutt) so popular.
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Exploring Windows XP on macOS ARM64
Windows XP I have a lot of fond memories of Windows XP and after feeling nostalgic, I was happy to find out that it’s relatively easy to take it for a spin on an ARM64 Mac using QEMU. I decided to install XP and an assortment of classic software one final time, taking screenshots of the whole process. This included…
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What I did not learn about writing in school
Surprising lessons I picked up from the best books, essays, and videos on writing non-fiction.
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Three-eyed forehead in Stable Diffusion
Computers, Machine Learning and non-machine learning
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How platform engineering works
Lessons learned in my first year as a platform engineer.
5683
A gentle introduction to static analyzers for C
One of the great thing about C are the many fairly mature tools in the ecosystem. The bad news however is that most educational materials don't teach them and thus many beginners (and sometimes even experienced) developers have absolutely no awareness that these tools even exists.
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Neumann Drive: A Pulsed Cathodic Arc Thruster for Spacecrafts
Your Content Goes Here THE NEW STANDARD FOR IN-SPACE PROPULSION Our Products The Neumann Drive’s superior electric propulsion system doesn’t just focus on performance; it covers the full mission lifecycle. Our product range covers CubeSat, SmallSat and specific client requirements. Simple, solid-state, robust design…
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The 300% Production Problem
Earlier this year, I attended CfgMgmtCamp in Ghent and listened to Adam Jacob’s “What if Infrastructure as Code never existed” keynote. Note: I’d like to extend a huge thanks to
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The analog computer for the Nike missile system (2001)
Nike computer - Installed in class room, not BC van. From Rolf Goerigk Left rack has the power supplies - outputs about 7 different voltages. Top panel is switches, meters, voltage warning lights. (Note: in the van installation, this rack is on the right side of the computer.) Middle two racks - operational amplifies…
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Building a programming language in twenty-four hours
I know I promised to put out an article every week on a Sunday. I haven't been too good at sticking to that schedule. It's now Sunday morning at around 8:50...
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Software audio routers
Wherein Application Audio Is Routed Between Isolated Programs by Virtual Cables, and Streamer-Focused Solutions Are Observed to Have Eased Tedious Setup, While macOS and Windows Tools Such as BlackHole and VB Audio Are Catalogued.
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Running SunOS 4 in QEMU (Sparc)
SunOS is a historical UNIX operating system widely used from the mid 80s into the early/mid 90s. Older versions of QEMU struggled to emulate the SPARC platform that SunOS ran on, but QEMU v7.2 supports SPARC well enough to install and run SunOS without any unusual workarounds.
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The Rise of Steel Part II
Welcome to the Rise of Steel part II.
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The Llama Ecosystem: Past, Present, and Future
The latest updates on the Llama ecosystem coming out of Meta Connect 2023
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TPU v4 provides exaFLOPS-scale ML with efficiency gains
A new paper describes how Google’s Cloud TPU v4 outperforms TPU v3 by 2.1x on a per-chip basis, and improves performance/Watt by 2.7x.
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A Solar Kiln to dry wood. Overview, design and build (2019)
The solar kiln is based on the well know Virginia Tech design, adapted for my own needs and materials I could find easily on local hardware stores. Mine is a small one, with a gross storage space inside of about 1.5 m in length, 0.85 m wide and 0.65 high (~5’ x 2.75’ x 2’ ).
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Smashing the state machine: the true potential of web race conditions
For too long, web race condition attacks have focused on a tiny handful of scenarios. Their true potential has been masked thanks to tricky workflows, missing tooling, and simple network jitter hiding
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The curious death of Oppenheimer’s mistress (2015)
Who killed J. Robert Oppenheimer's Communist lover?
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Designing my own ASIC with tiny tapeout
First, what is an ASIC? An ASIC is an Application Specific Integrated Circuit which basically means that it is an Integrated Circuit on a single piece of silicon and its use is limited to a particu…
5698
Bitwise Binary Search: Elegant and Fast
I recently read the article Beautiful Branchless Binary Search by Malte Skarupke. In it they discuss the merits of the following snippet of C++ code implementing a binary search :
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Around the World with SQLite3 and Rsync
Run sqlite3 dbs in multiple regions with rsync
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The Viterbi Algorithm at 50 (2017)
In a noisy world, it allows you to be heard.