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Jan 13, 2022 at 17:42
How Racket started, the etymology of MzScheme, and why the GUI has older commits than the stdlib!
Racket is 25
posted by Matthias Felleisen and Matthew Flatt The First Thoughts [Matthias]: Wednesday 25 January 1995: POPL used to be a Monday-through-Wednesday-noon affair. Cormac Flanagan presented his future paper there (a static analysis on how to eliminate i...

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Feb 7, 2026 at 20:55
1
Today I learnt about "bypass charging", a phone feature where it can run directly off the mains without using the battery at all. No battery charging, less heat, less battery wear. Nifty.
Here are all the phones that support bypass charging, and why you should use it
Here are all the phones that support bypass charging, and why you should use it
Few phones on the market can draw power directly from the wall, bypassing the battery while charging. But are the benefits tangible enough?
Feb 5, 2026 at 23:09
1
I'm considering using WebP more: for example, my websites would load faster and browsers have supported it since 2020: https://caniuse.com/webp That said, GitHub just added support in August 2025, so I suspect I'd still find use cases that don't work yet:
WebP image format | Can I use... Support tables for HTML5, CSS3, etc
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
Added support for WebP images - GitHub Changelog
Added support for WebP images - GitHub Changelog
WebP image support is now available across github.com and GitHub Enterprise Cloud with data residency. Previously, uploading WebP images resulted in broken previews or forced users to download files to…
Feb 5, 2026 at 09:59
3
Test code is total: we require it to always terminate or it's a failure! It also typically has 100% line and branch coverage. I feel way less nervous about refactoring tests, you can always just run them.