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Well, Actually – Physics Answers
Science News, Physics, Science, Philosophy, Philosophy of Science
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Improving Postgres Connection Scalability: Snapshots
Improving connection scalability in Postgres 14. From the neat to the gritty: snapshot scalability edition.
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Assange Hearing Day 8
The great question after yesterday’s hearing was whether prosecution counsel James Lewis QC would continue to charge at defence witnesses like a deranged berserker (spoiler – he would), and more importantly, why? QC’s representing governments usually seek to radiate calm control, and treat defence arguments as almost…
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Unexpected, Useless, and Urgent, or What RSS Gets Right
Thinking about inbox management, RSS feeds, and email overload
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Optimize Onboarding
A guide to scaling product & engineering teams from $0 to past $100M ARR
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Stop trying to make hard work easy
How to cope even when work is hard.
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Dead Sea Scroll fragments thought to be blank reveal text
New research has revealed that four Dead Sea Scroll manuscript fragments housed at The University of Manchester’s John Rylands Library, which were previously thought to be blank, do in fact contain text. The discovery means that The University of Manchester is the only institution in the UK to possess authenticated…
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Developing Multitile Creatures in Roguelikes
Describing technical and design issues associated with having creatures that occupy multiple cells in the grid-based world of a roguelike, with solutions.
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Book Review: Hoover
You probably remember Herbert Hoover as the guy who bungled the Great Depression. Maybe you shouldn’t. Maybe you should remember him as a bold explorer looking for silver in the jungles of Bu…
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Precursor’s Custom PCBs
While the last few updates about Precursor have focused on evidence-based trust and security, this update is more about the process of making Precursor itself. There is an essential link between evidence-based trust and understanding the manufacturing process: to convince yourself that something has been constructed…
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Understanding Convolution in Deep Learning (2015)
Convolution is probably the most important concept in deep learning right now. It was convolution and convolutional nets that catapulted deep learning to the forefront of almost any machine learning task there is. But what makes convolution so powerful? How does it work? In this blog post I will explain convolution…
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Transformers Are Graph Neural Networks
Engineer friends often ask me: Graph Deep Learning sounds great, but are there any big commercial success stories? Is it being deployed in practical applications? Besides the obvious ones–recommendation systems at Pinterest, Alibaba and Twitter–a slightly nuanced success story is the Transformer architecture, which…
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Single div Sierpinski triangle
Today I found another way to draw the Sierpinski triangle using pure CSS.
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Pandemic Villains: Robinhood
Have a pair of gangly Stanford grads built the perfect mousetrap?
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Debt Collectors Are Transforming the Business of State Courts
The business of state civil courts has changed over the past three decades. In 1990, a typical civil court docket featured cases with two opposing sides, each with an attorney, most frequently regarding commercial matters and disputes over contracts, injuries, and other harms.
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Global capital is the tail that wags the U.S. economic dog
Carnegie Endowment for International Peace2020141 points172 commentsTech Industry & Business details
Although Wall Street would be ferociously opposed to policies that limit the unfettered flow of capital around the world, the right polices could sharply reduce the economic disruption wreaked on workers, producers, farmers, and the middle class.
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Why neural networks struggle with the Game of Life
The Game of Life is based on very simple rules, but artificial neural networks struggle to learn its rules through the classic deep learning training process.
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Covid-19: The T Cell Story
When COVID-19 burst on to the scene, tests quickly showed that the everyone was susceptible - no pre-existing antibodies were found that bound to the SARS-CoV-2 virus. This led to dire predictions that over 80% of the population might eventually fall ill. Now more than six months in, this has not happened, and it does…
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Pinebook Pro, First Impressions
After seeing it in action at FOSDEM (from afar, as the crowd was too large), I decided to buy a Pinebook Pro for personal use. From the beginning, the intention was to use it for pkgsrc development, with NetBSD as the main OS. It was finally delivered on Thursday, one day earlier than promised, so I thought I would…
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Programming at the REPL (2018)
Clojure REPLs are used for a broad spectrum of purposes, from learning the language to data exploration to live music performance. This chapter will provide some guiding principles for applying Clojure REPLs to the more common use case of pragmatic software development.
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Hopefully fair performance reviews for software developers
Note: if you're just looking for performance review templates and examples, head to the templates page [https://blog.pragmaticengineer.com/templates-as-inspiration-for-software-engineers/] to download them. I've had about a dozen performance reviews during my decade-long software engineering career. Some of them were…
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Why I Left IBM to Work on CockroachDB
I’m a database nerd. Or, to be more precise, a DBMS nerd. But back in university, I avoided the Databases course at all costs. A little ironic when you consider I quit my job building IBM Db2 to work on CockroachDB.
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The new pricing model for Travis CI
At Travis CI, we design CI/CD products to make code testing and deployment easy. We are a huge supporter of open-source teams, with many projects such as…
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