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Reposted by Kevlin Henney

Tom Cools @tomcools.be · 10h

A @kevlin.bsky.social during my informal #speakertour after the @devoxx.com conference! Seen on the Meir shopping street.

Spotted by @lomagnette.bsky.social, picture by @hanneslowette.net. 😊

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Reposted by Kevlin Henney

Andres Almiray @andresalmiray.com · 11h

A @kevlin.bsky.social in Basel🇨🇭

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Kevlin Henney @kevlin.bsky.social · 21h

Architecture with Agility, London, 11-13 November

I'll be running this popular workshop of mine over 3 days at the SDD Deep Dive @sddconf.bsky.social

sddconf.com/workshop/oWx...

Software Design & Development Deep Dive

sddconf.com

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Kevlin Henney @kevlin.bsky.social · 21h

Architecture with Agility, London, 11-13 November

I'll be running this popular workshop of mine over 3 days at the SDD Deep Dive @sddconf.bsky.social

sddconf.com/workshop/oWx...

Software Design & Development Deep Dive

sddconf.com

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Kevlin Henney @kevlin.bsky.social · 1d

But seriously, there is a recording of a version of the talk from last October:

www.youtube.com/watch?v=0y7I...

The talk is updated each time I give it, for reasons that will become obvious if you watch it 🙃

The Past, Present & Future of Programming Languages • Kevlin Henney • GOTO 2024

YouTube video by GOTO Conferences

www.youtube.com

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Kevlin Henney @kevlin.bsky.social · 1d

The future...

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Reposted by Kevlin Henney

Kevlin Henney @kevlin.bsky.social · 2d

In December I'll be at YOW! @yowconf.bsky.social in Melbourne, Brisbane and Sydney giving my talk, "The Past, Present and Future of Programming Languages"
yowcon.com/melbourne-2025
yowcon.com/brisbane-2025
yowcon.com/sydney-2025

YOW! Melbourne 2025

yowcon.com

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Reposted by Kevlin Henney

Kevlin Henney @kevlin.bsky.social · 2d

Next month, I'll be...

In Paris at NewCrafts @newcrafts.bsky.social, where I'll be giving my talk, "Get Kata"
ncrafts.io

In London at SDD Deep Dive @sddconf.bsky.social, where I'll be running my popular "Architecture with Agility" workshop
sddconf.com

NewCrafts Paris 2025

NewCrafts Paris, an ephemeral learning ground for professional developers who care for quality code and bettering their practices.

ncrafts.io

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Reposted by Kevlin Henney

Kevlin Henney @kevlin.bsky.social · 2d

This month, I'll be...

In Iași at CodeCamp, where I'll be giving a new talk, "Modular Monoliths and Other Facepalms"
codecamp.ro/codecamp-fes...

In Bristol at BristolCon @bristolcon.bsky.social, where I'm giving a reading, moderating a panel and appearing on two other panels
bristolcon.org

Codecamp_Festival Iasi 2025

Join Codecamp in Iasi, Bucharest, Cluj, Timisoara to learn, share, and connect with the IT community.

codecamp.ro

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Reposted by Kevlin Henney

BPS Research Digest @researchdigest.bsky.social · 4d

Sometimes even a huge amount of feedback just doesn't make a dent in overconfidence — as demonstrated by this new study involving chess players: www.bps.org.uk/research-dig...

Overconfidence can thrive even with detailed, continuous feedback | BPS

A new study looks at overconfidence in chess players, and suggests that efforts to reduce it in everyday life via feedback can still fall flat.

www.bps.org.uk

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Reposted by Kevlin Henney

Kevlin Henney @kevlin.bsky.social · 2d

On the blog: Immutable Value

"There is much about both immutability and value-based programming that might appear obvious, but this is the benefit of progress coupled with the gift of hindsight."

kevlinhenney.medium.com/immutable-va...

Immutable Value

A pattern for keeping value objects simple and free of change

kevlinhenney.medium.com

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Reposted by Kevlin Henney

johnscho.bsky.social @johnscho.bsky.social · 2d

One for the @kevlin.bsky.social collection in our local supermarket.

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Kevlin Henney @kevlin.bsky.social · 2d

In December I'll be at YOW! @yowconf.bsky.social in Melbourne, Brisbane and Sydney giving my talk, "The Past, Present and Future of Programming Languages"
yowcon.com/melbourne-2025
yowcon.com/brisbane-2025
yowcon.com/sydney-2025

YOW! Melbourne 2025

yowcon.com

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Kevlin Henney @kevlin.bsky.social · 2d

Next month, I'll be...

In Paris at NewCrafts @newcrafts.bsky.social, where I'll be giving my talk, "Get Kata"
ncrafts.io

In London at SDD Deep Dive @sddconf.bsky.social, where I'll be running my popular "Architecture with Agility" workshop
sddconf.com

NewCrafts Paris 2025

NewCrafts Paris, an ephemeral learning ground for professional developers who care for quality code and bettering their practices.

ncrafts.io

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Kevlin Henney @kevlin.bsky.social · 2d

This month, I'll be...

In Iași at CodeCamp, where I'll be giving a new talk, "Modular Monoliths and Other Facepalms"
codecamp.ro/codecamp-fes...

In Bristol at BristolCon @bristolcon.bsky.social, where I'm giving a reading, moderating a panel and appearing on two other panels
bristolcon.org

Codecamp_Festival Iasi 2025

Join Codecamp in Iasi, Bucharest, Cluj, Timisoara to learn, share, and connect with the IT community.

codecamp.ro

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Reposted by Kevlin Henney

Kent Beck @kentbeck.com · Dec 30

Assigning agency to techniques seems to me to be an attempt to avoid responsibility. “I used TDD & got poorly designed/unreliable/hard to understand code—not my fault.”

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Kevlin Henney @kevlin.bsky.social · 2d

On the blog: Immutable Value

"There is much about both immutability and value-based programming that might appear obvious, but this is the benefit of progress coupled with the gift of hindsight."

kevlinhenney.medium.com/immutable-va...

Immutable Value

A pattern for keeping value objects simple and free of change

kevlinhenney.medium.com

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Reposted by Kevlin Henney

Kevlin Henney @kevlin.bsky.social · 3d

Join me at @newcrafts.bsky.social in Paris on 6th November for my session, Get Kata. There will be code, craft, maths, lambdas, polyglottery and warp drive.

ncrafts.io/speaker/kevl...

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Kevlin Henney @kevlin.bsky.social · 3d

I think this is now a recognised pattern/task, and may trigger a separate orchestration.

I just tried this with ChatGPT and Gemini. Both slow, but both correct.

I then asked how they determined the answer: ChatGPT said it focuss on the letters and count through; Gemini generated Python code.

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Reposted by Kevlin Henney

Tom Gauld @tomgauld.bsky.social · 3d

My latest cartoon for @newscientist.com
p.s. My new book of science cartoons 'Physics for Cats' is out this week. Details at www.tomgauld.com

Panel 1
A figure stands at a lectern
"This image illustrates my theory that, presented with a sufficient quantity of intricate formulae, overcomplicated diagrams and impenetrable acronyms, an audience will agree with almost anything."
The screen is completely packed with such things

Panel 2,3,4,5.
Four audience members say enthusiastically: "My thoughts exactly!", "Hear, hear!", "I quite agree!" and "Excellent point!"

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Kevlin Henney @kevlin.bsky.social · 3d

Join me at @newcrafts.bsky.social in Paris on 6th November for my session, Get Kata. There will be code, craft, maths, lambdas, polyglottery and warp drive.

ncrafts.io/speaker/kevl...

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Kevlin Henney @kevlin.bsky.social · 3d

🙏

Reposted by Kevlin Henney

Ted M. Young (he/him) aka @JitterTed @ted.dev · 4d

Love this bit from the end:

"Familiarity creates a distorted lens through which we evaluate new concepts"

Often we don't realize this is happening.

Kevlin Henney @kevlin.bsky.social · 4d

On the blog: Immutable Value

A pattern for keeping value objects simple and free of change, with added historical context and commentary

kevlinhenney.medium.com/immutable-va...

Immutable Value

A pattern for keeping value objects simple and free of change

kevlinhenney.medium.com

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Kevlin Henney @kevlin.bsky.social · 4d

👍

Kevlin Henney @kevlin.bsky.social · 4d

Don't change that... 😉

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