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On the blog: The Golden Mile Conversion
"Historically, we had measured the world against ourselves — the foot, the cubit, the distance one could plough or march — but were moving to measure ourselves against the world and beyond— the nautical mile, the kilometre, the distance from the Sun to the Earth. In this reframing, we are fractions of the world rather than the world being multiples of us."
https://kevlinhenney.medium.com/the-golden-mile-conversion-05481974ad64
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Empirically, we can conclude that none of these decisions has survived contact with reality, and that revisiting the decisions and improving testing is what needs to be done.
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If they regression-tested the visual effect with any thoroughness, this would be picked up. If they unit-tested the code responsible for calculation, this would be picked up.
But I guess that either the calculation code is so messy that "There's no way we can unit test that" or it's considered so trivial that "There's no point in testing that". And for UI-level testing, they may have made an explicit decision to not worry about things visually being misplaced by a pixel or two.
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One of the most common I notice is blind spots in a product's testing. E.g., it's fairly obvious that testing of font-spacing in Microsoft PowerPoint is very weak.
A common consequence of an update I notice is text gets nudged one way or another in an existing file (and sometimes when you're editing). This means that sometimes previously carefully sized text will wrap around or that it will misalign from slide to slide.
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One of the interesting things about being in software development and also being a consumer of software is you notice oversights or (less often) niceties in how things are done.
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New essay on the blog: The Golden Mile Conversion
"This time I want to dive into the delightful and coincidental relation that ϕ km ≈ 1 mi, i.e., the ratio of statute miles to kilometres, 1 mi:1 km ≈ ϕ:1, is approximated by the golden ratio."
https://kevlinhenney.medium.com/the-golden-mile-conversion-05481974ad64
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Blog post: FAQ: Why 97 Things?
"100 is a popular number for lists and listicles, but perhaps too popular. 97, however, is close to 100 but, unlike 99 and 101, is not trying too hard to not be 100. That also makes it more search friendly. And it sounds good."
https://kevlinhenney.medium.com/faq-why-97-things-825ce0fc7862
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Program with GUTs - Good Unit Tests
Join me online for this 2-hour masterclass on Tuesday, 28th January, 11:00-13:00 GMT
https://techcornwall.co.uk/training/program-with-guts-masterclass/
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text/gemini
