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James Lyndsay

@workroomprds.com

Getting better at software testing. Singing in Bulgarian. Staying in. Going out. Listening. Talking. #workroomprds

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07.02.2024
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Latest posts by James Lyndsay @workroomprds.com

Short chat with MiniMax-M2.5

Me: who are you?
> I'm Claude Code [...]
Me: Are you sure you're not MiniMax-M2.5?
> [...] The system prompt identifies me as "MiniMax-M2.5" [..], but I've been introducing myself as "Claude Code".

www.anthropic.com/news/detecti...

05.03.2026 09:58 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I’ve lived in London for years. I just saw directions to Nelson Square, North Southwark, and briefly felt myself slip into some alternate timeline…

01.03.2026 22:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Move tests to closed source repo Β· Issue #8082 Β· tldraw/tldraw Move the test suite out of the open source tldraw/tldraw repo and into the closed source repo. Context The tldraw monorepo currently contains ~327 test files across unit, integration, and e2e tests...

From @tldraw.com: Their tests are worthwhile (and we might yet take a look in an 'interesting testing' session).
While this is tongue-in-cheek, it's also getting closer to a thing. Tests, like moulds, are valuable.

github.com/tldraw/tldra...

26.02.2026 13:57 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I've done that!

Glad you've got the angels.

26.02.2026 13:50 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Metagenomic analysis of fecal and tissue samples from 18 endemic bat species in Switzerland revealed a diverse virus composition including potentially zoonotic viruses Many recent disease outbreaks in humans had a zoonotic virus etiology. Bats in particular have been recognized as reservoirs to a large variety of viruses with the potential to cross-species transmiss...

Bullshit: sticky, nasty, grows roses.
Batshit: all the above, but the zoonotic pathogens can really mess you up.

LLM chats: more batshit than bullshit.

journals.plos.org/plosone/arti...

26.02.2026 13:22 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Spaceteam Do you like pushing buttons and shouting at your friends? Do you like discharging Clip-jawed Fluxtrunions? If you answered yes, or no, then you might have what it takes to be on a Spaceteam!

...now you're working as a Spaceteam.

(spaceteam.ca)

12.02.2026 20:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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In Workroom PlayTime this week, we'll run Cutting to the Core – an activity to help testers with talks to find their core message.
Online, hands-on, this Thursday.

www.workroom-productions.com/workroom-pla...

09.02.2026 12:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

In my gang, we cal it the "Vale of Shit", and it's part of the almost-universal path. So much easier, when collaborating, to have a name and an expectation – and a delight to put it behind us.

I'm sorry you're there. Truck on through, if that's any encouragement.

03.02.2026 13:19 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Amused (not amused) to read that someone's overnight bot, using Opus to regularly check that it was still nighttime, burnt their $20 before they woke.

I'm amused at the bathetic lesson.
I'm not amused at the thought of all those bots, using all that resource.

Commandline, people.

03.02.2026 12:11 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

To gain passkey access from the commandline, use `gh auth login`

Ta daa.

29.01.2026 13:08 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1
Terminal output indicating LLM usage – cost $0.10, took 87s, burnt a tiny hole in my soul.

Terminal output indicating LLM usage – cost $0.10, took 87s, burnt a tiny hole in my soul.

Yesterday, Claude successfully (and painfully) got authenticated with my repo.
Today, I could not work out how to authenticate personally through the commandline (I have a passcode, it needs a password).
So I'm reduced to spending $0.10 to ask the LLM to do `git push`.

WAAAAAAAAAARGH.

28.01.2026 17:05 πŸ‘ 0 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Workroom Playtime 045: ARC Foundation tests Thursday 22 Jan, 2:30pm London time.

Workshop details www.workroom-productions.com/workroom-pla...

19.01.2026 21:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Workroom PlayTime 045 on 22 January... tests of reasoning that (generally) distinguish humans and machines

19.01.2026 21:34 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

So if yer orange balloon puts a 10% tariff on sales from the UK to the US, that means my US customers pay more, and his mob keep a chunk?

So now my diddly workshops are for free for US people, and I'm ignoring US corporates. I've not yet worked out how to do that.

19.01.2026 19:36 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

In entirely unrelated news, I'm grateful to 0x0.st for being excellently helpful and responsive.

19.01.2026 13:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I am an idiot with an LLM, and yesterday my nicely sandboxed, ` --dangerously-skip-permissions` env uploaded an unexpected file to an unexpected place.

19.01.2026 13:34 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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A Software Library with No Code Do we still need libraries of 3rd party code when AI agents are this good?

Here's an interesting one for testers: A library with examples but no code www.dbreunig.com/2026/01/08/a...

What does "testing" mean when we have only examples – and all the executable tests are generated? Like the old days – or not so much... ?

Post + Workroom PlayTime incoming...

11.01.2026 14:55 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

β€œresponse” is my go-to.

In my head-dictionary β€œOutput” implies a transformation, and β€œResult” smells of greater determinism.

04.01.2026 08:52 πŸ‘ 5 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Exploration by The Karminsky Experience Inc. on AppleΒ Music Song Β· 2003 Β· Duration 5:35

For playing on the last working day of the last working week of 2025, explorers.

music.apple.com/gb/album/exp...

19.12.2025 18:51 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Workroom Playtime 043: Building Short Exercises Thursday 18 December, 3pm London time.

Thursday 18 Dec at 3pm London time: marking the last in a year of hands-on short experiences, here's a Workroom PlayTime on building short exercises. No lectures, no principles, no solutions to problems: We'll play, share, and learn together.

www.workroom-productions.com/workroom-pla...

16.12.2025 19:31 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Workroom Playtime 042: Exploratory Interfaces 4 – Tests Thursday 11 December, 4:30pm London time.

This week's Workroom PlayTime is at 4:30 London time on Thursday 11 Dec. Basically today, future people. Sorry to be late to announce.

www.workroom-productions.com/workroom-pla...

10.12.2025 23:21 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Irja is a star!

04.12.2025 17:03 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Run workshops? Want ideas on how to get people sharing?

Get this.

apps.apple.com/gb/app/liber...

29.11.2025 22:08 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
A view from a queue on the airport tarmac, of buildings, machines, aeroplanes and vehicles.

A view from a queue on the airport tarmac, of buildings, machines, aeroplanes and vehicles.

As I head out from BER, I reflect that one way to make things go like clockwork is to prioritise the clock.

I’m grateful to everyone at #AgileTD that they choose the harder path and put us first.

Cheerio!

28.11.2025 08:16 πŸ‘ 5 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Workroom Playtime 038: Parts for Tools Thursday 13 November, 5pm London time, Parts for Tools

Thursday 13 at 5pm London time – picking parts for your custom tools.
www.workroom-productions.com/workroom-pla...

12.11.2025 00:36 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Workroom Playtime 037: xargs tool for testers Thursday 6 November, 4pm London time

Thursday 6 November: join me to play with xargs for testers. 4pm London time, on Zoom.

www.workroom-productions.com/workroom-pla...

05.11.2025 11:09 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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DEFENDING THE WAC: MARK LEWISOHN LOOKS AT WHY RENEWED APPRECIATION IS URGENTLY REQUIRED I was asked to write an op-ed piece saying why I think the BBC’s Written Archives Centre (WAC) is a unique and brilliant resource, which I can do because it’s both – and why, therefore…

Mark’s passion and precision is spot on. And so very vital. The WAC is a *stunning* resource. It must be allowed β€” empowered β€” to thrive. SHARE.

cstonline.net/defending-th...

24.10.2025 15:15 πŸ‘ 45 πŸ” 28 πŸ’¬ 0 πŸ“Œ 3

Bleak-box testing

23.10.2025 14:07 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Ada Lovelace Day – Celebrating the achievements of women in science, technology, engineering and maths

This @adalovelaceday.bsky.social , celebrate the generosity and wisdom of Elisabeth Hendrickson ( curiousduck.io ), the perspective and persistence of @lisacrispin.bsky.social
and the sheer chutzpah and joy of @fionaccharles.bsky.social

#ALD25 – findingada.com

13.10.2025 23:17 πŸ‘ 6 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

in SE5, O2 seems up while Three has signal but v weak.

13.10.2025 16:03 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0