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Ruby: Concurrent::ThreadLocalVar

Web framework behemoth Ruby on Rails is using the concurrent-ruby project for some internal book-keeping. I like that project. A bursting-packed tool bag of ready-to-use widgets and doodads – great, if...

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Ruby package maintainers in *nix distributions: thanks

I got an email from code hosting provider BitBucket. “You were mentioned in a commit”, it said. OK. But, I don’t often use BitBucket. What could it be?...

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Ossy: a maintainer’s CLI tool

ossy is a new release, by Piotr Solnica. Solnica releases a lot of software packages, most of it, as Rubygems. Doing that, in the small, one package at a time, is not very time-consuming, and can be...

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Pictorial sources in books

Nerd alert. I was reading a (modern classic) book about medieval costume in different centuries. The book was written in the 1960s, when pictorial evidence was hard to come by. “The British Museum has...

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RSpec: Quiet a socketry/console logger in a test

You are writing a test. It raises a well-known exception, and you check for it. Suddenly, there’s log output, since you are working with some concurrent task. Your mood sinks. What’s the way to...

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Foliate borders: An intricate illumination

Houghton Library has the manuscript from the 1400s, that has the small title part “Foliate borders” I zoomed in on this illuminated manuscript fragment, and it just kept adding more detail. I remain...

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Practical: rust removal

(This is a post which had sat so long that it became… history. It has been a while since I used the magic of Evapo-Rust, but it exists, it’s there, and perhaps you should give a can of it to someone...

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The word “rubric”

In Swedish, headings are called “rubriker”. That’s also the word for news headlines. I learned that the name comes from rubrica, a Latin word that’s about the red ochre pigment. a word or section of...

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Scott Walker’s Bergman song

There are so many jokes on this Bergman scene. Scott Walker is not a joker.

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A day Robert’s (12) life in 1973

(This post is sort of about how a reader’s mind works. By example.) Nordiska Museet did a collection for their 1973 anniversary, and asked people for a “birthday present for the future” in the form of...

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