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David Malone

@dwmalone@mastodon.ie
mastodon 4.6.6
  • Open on mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net
@maths.nuim.ie @nuim.ie @mu.ie

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8 Posts
Joined October 28, 2022

Posts

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dwmalone
David Malone @dwmalone@mastodon.ie · May 01, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie

This week I have learned that Simpson's Rule is named after Simpson in every language where I can sound out the letters (plus Farsi and Arabic), except Italian, where it is named after Cavalieri and Simpson.

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Open post
dwmalone
David Malone @dwmalone@mastodon.ie · Apr 28, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie
Replying to @Colman@mastodon.ie
@Colman@mastodon.ie I think this is the one: https://treedix.com/products/treedix-usb-cable-tester-usb-c-cable-tester-usb-tester-for-data-transmission-and-power-transmission-cable-testing-resistor-testing-type-c-emarker-for-usb-a-micro-b-micro-b-3-0-type-c-lighting-mini-b
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dwmalone
David Malone @dwmalone@mastodon.ie · Apr 28, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie
Replying to @Colman@mastodon.ie
@Colman@mastodon.ie I bought a USB testing gadget that can tell them apart...
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Open post
dwmalone
David Malone @dwmalone@mastodon.ie · Apr 28, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie

Is it just me, or are the EU USB C charging rules not quite as great as claimed because:
1) People replace phone cables all the time & this is true regardless of if the cables are USB C or not,
2) By the time the rules were introduced, most people were using USB A or C chargers for phone anyway, so it didn't save on this type of waste,
3) USB C cables come in at least 12 different types, which are indistinguishable to most humans,
4) Now USB C charging is common on laptops, 2 and 3 may bite.

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Open post
dwmalone
David Malone @dwmalone@mastodon.ie · Apr 16, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie

As one of the comments says, people complain about the algorithm, but it has it's moments...
https://www.youtube.com/watch?v=gh3mFO1nwa0

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Open post
dwmalone
David Malone @dwmalone@mastodon.ie · Apr 09, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie

Does anyone know how long an Android phone keeps its battery/charging logs for? I want to see what times a phone was charging for over about the last three weeks, but I don't seem to be able to get that out of the standard UI.

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dwmalone
David Malone @dwmalone@mastodon.ie · Mar 31, 2026
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie
Replying to @gcluley@mastodon.green
@gcluley I wonder if publishing rotated DKIM keys will be FBI policy by the end of the week? 🙂 https://blog.cryptographyengineering.com/2020/11/16/ok-google-please-publish-your-dkim-secret-keys/
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Open post
dwmalone
David Malone @dwmalone@mastodon.ie · Jan 18, 2025
David Malone
@dwmalone@mastodon.ie

@maths.tcd.ie @freebsd.org @dwmalone.net @maths.nuim.ie @nuim.ie @mu.ie

mastodon.ie
Replying to @Luke_Drury@mastodon.dias.ie
@Luke_Drury@mastodon.dias.ie @natural20@mastodon.ie @bert_hubert@fosstodon.org I think the standard time is really a hang-over from the all year summer time experiments, and doesn't really make a lot of sense today. However, changing it would probably even worse than than leaving it the way it is!
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