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Jan Van Ryswyck

@janvanryswyck.mastodon.social.ap.brid.gy
59 followers 1 following 320 posts

Owner @ Principal IT, husband, father of three, geek, XP / TDD disciple, author of Writing Maintainable Unit Test, enjoys running, fan boy of many things […] [bridged from mastodon.social/@janvanryswyck on the fediverse by fed.brid.gy ]

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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 17/10/2026
The board of yesterday’s open-space at #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
Coverage is not the only path to confidence #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
“The marketing department is the most under-appreciated source quality of quality metrics in an organisation.” - Suzanne Kraaij #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
Fear-based testing #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
Critical thinking #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
Leverage the socio in socio-technical systems @lisihocke #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/10/2026
At BREWT conference in Lier #brewtcon
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 15/10/2026
"Digital makes humans work faster than is good for our well being. Why? To get stuff done faster. Why? Because everyone wants stuff fast these days? Why? Because it's so important to be new and up to date? Why?" - Gerry McGovern #climatechange
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 14/10/2026
Blogged: How Long Does It Take to Learn TDD? Longer Than You Think, And That's Fine. principal-it.eu/2026/10/how-long-to… #tdd #testdrivendevelopment #unittests #unittesting #softwaredesign
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 13/10/2026
“Human exceptionalism is the most powerful unspoken belief of our time” - Christine Webb www.youtube.com/watch?app=desktop&v… #shared #climatechange
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Stefano Marinelli @bsd.cafe · 12/10/2026
I got a call from someone I don't know. "Hi. We have a FreeBSD server. It's been working perfectly for years, but it hasn't been updated since then. We asked AI to update it, but now it won't boot anymore. It didn't even make a backup before starting. The AI keeps trying things, everything is […]
mastodon.bsd.cafe
Original post on mastodon.bsd.cafe
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 09/10/2026
Jon Stewart Unpacks AI’s Dubious Promise of a "Better Future" #shared www.youtube.com/watch?v=S18jxWZntUo
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Bruce Lawson ✅ ♫ ♿ ✌️♂️✊ @brucelawson.vivaldi.net.ap.brid.gy · 06/10/2026
If I don't keep my car roadworthy and crash into yours, it hasn't gone "rogue", it's my negligence and I'm responsible. If my dog attacks you, I am liable. There are no rogue AIs, just negligent AI companies. Prosecute them.
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 04/10/2026
Donateursdag in de Zonnegloed #animals #sanctuary
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Tim Carmody @tcarmody.bsky.social · 02/10/2026
This is the funniest thing I've seen today, possibly ever
A tweet by SarahStarberry that says "oh god read the vertical axis" on top of a chart measuring AI models' release dates and model numbers rather than any real capabilities
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Jan Schaumann @jschauma.mstdn.social.ap.brid.gy · 30/09/2026
When you notice your meat-proxy colleagues become absolutely helpless on their own, remember Sam Altman's goal: “We see a future where intelligence is a utility, like electricity or water, and people buy it from us on a meter” People paying to make themselves dependent on these companies. You […]
mstdn.social
Original post on mstdn.social
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 01/10/2026
On Thursday 8 October, I'll be presenting my talk "𝐓𝐡𝐞 𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐜𝐞 𝐎𝐟 𝐄𝐱𝐭𝐫𝐞𝐦𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 𝐈𝐧 𝐓𝐡𝐞 𝐀𝐠𝐞 𝐎𝐟 𝐋𝐋𝐌𝐬" at the 1st edition of the Building Bruges conference. In this talk, I'll take a deep dive into the core practices of XP, and why these […] [Original post on mastodon.social]
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Vee @veroniqueb99.mastodon.social.ap.brid.gy · 26/09/2026
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 27/09/2026
RE: social.wildeboer.net/@jwildeboer/11… This is a great book!
social.wildeboer.net
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Bodil @bodil.lol · 21/09/2026
The amount of people on the internets losing their shit over Ed Sheeran vs the amount of people on the internets losing their shit over El Niño right now is quite frankly making me a little depressed.
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 21/09/2026
See what Big Tech AI already knows about you: AI Paper Trail lumo.proton.me/aitrail #shared #AI #llms
lumo.proton.me
Lumo: Privacy-first AI assistant where chats stay confidential
Meet Lumo, the zero-access encrypted AI assistant by Proton that does not track or record your conversations. Ask me anything — it's confidential
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 18/09/2026
Today’s views #iceland
The divide between the American and Eurasian tectonic plates.Church building at the divide of tectonic plates Church in Reykjavik with the statue of Leif Ericsson
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 18/09/2026
Today's views #iceland
Bruarfoss waterfall in Iceland
https://bruarfoss.isGulfoss waterfall in Iceland
https://en.wikipedia.org/wiki/GullfossGulfoss waterfall in Iceland
https://en.wikipedia.org/wiki/GullfossGulfoss waterfall in Iceland
https://en.wikipedia.org/wiki/Gullfoss
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 17/09/2026
Humans surely are a strange bunch. #iceland
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Vee @veroniqueb99.mastodon.social.ap.brid.gy · 17/09/2026
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 16/09/2026
Today’s views #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 15/09/2026
Today’s views #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 15/09/2026
Yesterday’s views #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 13/09/2026
Today’s views #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 13/09/2026
Yesterday’s views #iceland
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Andy Piper @andypiper.org · 11/09/2026
I regret to inform you that Miro has had its spoons bent, and joins Meetup, Evernote, Eventbrite, Vimeo, Airtable and others on the fast track to full enshittification techcrunch.com/2026/09/10/bending-s…
techcrunch.com
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 11/09/2026
Why We Must Return to the Office to Use AI in Person: www.mcsweeneys.net/articles/why-we-… #shared
mcsweeneys.net
Why We Must Return to the Office to Use AI in Person
When I awoke on RTO Day (officially “Remain to Office,” since management maintained that I’d misremembered and we’d always been in office six days a week), I was not as excited as I should have been. I felt queasy at the thought of signing the Memorandum of Loving RTO as a condition of my continued employment. I was an Associate Slop Doula for Mondo Mayo, founded as a mayonnaise company, which now sells consumer packaged goods, software as a service, and surveillance technology, and is one of three large corporations remaining on Earth. At the time, I didn’t think a full, six-day-per-week, fourteen-hour-per-day, in-office schedule was necessary to discharge my duties clicking the GENERATE button, followed by the APPROVE button, thousands of times a day on SlurryHose. But experience has shown me that I was wrong. Here’s why RTO is essential. #### RTO is in accordance with Mondo Mayo’s Core Principles. Mondo Mayo is guided by our Core Principles: * Good things are better than bad things. * “Yes, Boss. Great idea, Boss.” * More leaders mean more leadership. These principles allow for the high productivity and rich social life at Mondo Mayo, which revolves around our twice-annual mandatory-optional-encouraged-required retreat, The Getaway, culminating in the rarely fatal mayonnaise-eating contest. The Executron Management System has led to a surplus of leadership at Mondo Mayo. I am one of fifteen rank-and-file workers, and we are privileged to be led by thousands of Senior VPs. No other company in history has had so many leaders. #### RTO adds up. Mondo Mayo’s proprietary metrics indicate that family life can be performed remotely with greater efficiency and manager satisfaction. The Mondo Machine, rented at an affordable rate, sits in your home when you cannot be there, feeding pellets to your child, and they bond. Our office is monitored by AI-powered Performance Enablement Software named Best Buddy, which assists and empowers me to be my best for Mondo Mayo. #### It’s the perfect time to RTO, because the O is almost finished. Mondo Mayo HQ has been under construction for twenty years, ever since Mondo Mayo acquired Shit Hell Dot AI (Mission: Make the World a Better Place) and began expansion to make room for its new employees. With no traffic, it’s only three hours from my apartment by bus. Jackhammering, large trucks labeled LOOSE ASBESTOS, and mayonnaise leaks are not interruptions to my work, but rather opportunities to hone my focus. The shaking conducting through my thin office chair that aggravates my lower-back pain is a chance to prove my mettle. #### RTO is the best way to surpass SodaPorn. I must help Mondo Mayo hit its sales targets by doula-ing effective Sales Slop generated with SlurryHose, which scrapes the web for consumers’ queries and seeks to answer them more closely than the Sales Slop from the globe’s other two remaining companies, Cagefight Pharma and SodaPorn. SodaPorn is our rival. We are in a tense strategic alliance with Cagefight Pharma. #### RTO allowed me to have a sex affair with my coworker. Last week, while Slop Doula-ing in our open-plan seating, I noticed Blair, whose eyes I’d previously met over the trough during the mayonnaise-eating contest at the most recent edition of The Getaway. At The Getaway, I thought I was merely caught up in the supportive pressure and wonderful isolation. But as Blair returned my stare this time, I was sure it was real, and that she felt the same. We stole away to the abandoned Mother’s Room above the HR office and discussed our secret hatred for RTO. We began a heated affair. A contractor hit a pipe above us, so rancid mayo splattered onto our bodies as we embraced, but we were too absorbed in our passion to mind. Try doing _that_ from home. #### RTO is the best way to surpass Cagefight Pharma. The next day, during an all-staff meeting, we learned that our main rival was Cagefight Pharma. We are now in a strategic Mondo Mayo x SodaPorn partnership. By now, Blair and I had let our guard down. On Chatform, our internal company chat platform, we mocked what we mistakenly saw as a change in the company’s strategy (in fact, we’d always been in a strategic Mondo Mayo x SodaPorn partnership aimed at taking down Cagefight Pharma). Within minutes, we were separately called into HR. #### RTO helps me be my best. Blair and I were put on Help-You-Be-Your-Best Plans (Mondo Mayo’s version of what was once known as a performance-improvement plan). Per policy, one of us would be compassionately released and prevented by our non-compete from drawing a salary from any other company ever again. An SVP of HR patiently, lovingly reprimanded me for my poor attitude. Why had I forgotten the Core Principles? Good things are better than bad things, and being at work (good) is better than being at home (bad). “Yes, Boss. Great idea, Boss.” And yet I wasn’t saying that. More leaders mean more leadership, but they can’t lead me if I refuse to be led. And the HR SVP had to deliver all of this while the office vibrated from construction and, at various points, mayo squirted at us out of air vents. As part of the Fun and Love Rehabilitation, a team of buff, wise SVPs affectionately pumped Mondo Mayo into my mouth via Mayo Cannon, so that the company’s nourishing origins could be made a part of me. An SVP of Finance, Philosophy, and Screaming came by and explained loudly that Mondo Mayo’s corporate strategy had appeared irrational to me before because its goal was never profit—it was always power. We will only reach our apex once the entire world adheres to Mondo Mayo’s Core Principles. That resonated with me. #### When I said how much I loved RTO, Mondo Mayo gave me my medicine. (Thank you for my medicine!) The SVP of FPS reminded me that, if I lost my job at Mondo Mayo, I would lose my generous health insurance at a time when I needed relief from my back pain. This was true, so I begged them to compassionately release Blair instead of me. I was then kindly reinstated and given a bottle of Motrin (now produced by a subsidiary of SodaPorn and not, as you’d reasonably guess, Cagefight Pharma). My back feels a little better. Plus, I have been promoted to Senior Associate Slop Doula, and I appreciate the vote of confidence. So I was more than willing to sign the Memorandum of Loving RTO, sharing my fondness for the seven-day-per-week, sixteen-hour-per-day RTO, which has always been the standard at Mondo Mayo. I have achieved my potential. Good things are better than bad things. More leaders mean more leadership. I love Best Buddy.
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 11/09/2026
Also saw four different humpback whales today! #iceland #whales
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 11/09/2026
Yesterday's views in #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 10/09/2026
RE: mastodonapp.uk/@MarkHoltom/11724611… Don’t look up!
mastodonapp.uk
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 08/09/2026
"Cat's Law: The more a software team fixates on demonstrating short-term performance in their environment, the less they are able to protect the foundation on which long-term performance depends." -- Cat Hicks #softwareteams
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 08/09/2026
More northern lights #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 08/09/2026
Northern lights #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 07/09/2026
Today's views: #iceland
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 06/09/2026
Hello Iceland 🇮🇸
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 02/09/2026
"Four minutes is how long it took for a machine inside a Fortune 500 company to execute code we published. Two more within the hour. We didn’t exploit a CVE, phish an employee, or touch a perimeter. We registered destinations that official, HTTPS-served files, published by the companies […]
mastodon.social
Original post on mastodon.social
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 01/09/2026
Last weekend, I played around with some classic house tracks from my vinyl record collection. I've just uploaded the mix to SoundCloud. It's 100% vinyl! Enjoy! soundcloud.com/dj-jakke/attic-jam-s… #housemusic #retrohouse #12inchclassics #djing
soundcloud.com
Attic Jam Sessions #088 - Retro House Classics #16 (100% Vinyl session)
I started my DJ career playing music at local parties and club Pepermolen during the early 90's. Things started to get more serious when I became resident DJ in club Tequilas (Westmalle) in 1996. I DJ
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 26/08/2026
I've added the following talks to Awesome Talks: - Patterns for Coding with AI by Lada Kesseler - Rethinking Software Development - Insights From 20+ Years In The Field by @alexthurow github.com/JanVanRyswyck/awesome-ta… #awesometalks
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 26/08/2026
From LLMs and performative productivity by Josh Collinsworth: joshcollinsworth.com/blog/productiv… #shared
If LLM code was reliably of higher quality than human code, then LLMs would be making software more accessible, more maintainable, more performant, more usable, and more reliable. And I promise you: the people who care about those things would be absolutely thrilled about that! Accessibility advocates, open source maintainers, performance engineers, UX workers, reliability engineers, support teams, QA—we could expect them all to be elated, if LLMs were actually moving the metrics they care about.
But that’s pretty much the opposite of what’s happening.
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Vee @veroniqueb99.mastodon.social.ap.brid.gy · 22/08/2026
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 20/08/2026
On Tuesday 22 September, I’ll be presenting "𝐞𝐗𝐭𝐫𝐞𝐦𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 – 𝐓𝐡𝐞 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞 𝐖𝐞 𝐋𝐨𝐬𝐭” at iLean's Agile Kitchen. This talk will be a deep dive into the origins and core practices of eXtreme Programming, and will explain why these ideas are still very […] [Original post on mastodon.social]
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 19/08/2026
"People with a bias toward working alone suddenly have a whole new quiver of tactics to avoid working with other people. They set up agents. They send copious documentation. Their agents talk to your agents. They shut down conversations with hastily pulled-together, but very persuasive […]
mastodon.social
Original post on mastodon.social
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Jan Van Ryswyck @janvanryswyck.mastodon.social.ap.brid.gy · 18/08/2026
In this day and age of probabilistic text generators, I often hear people claiming that writing code is no longer important. However, programming is not just about the code itself. Writing code is a knowledge-creation process. Learning and understanding happens during the act of programming […]
mastodon.social
Original post on mastodon.social
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Bruce Lawson ✅ ♫ ♿ ✌️♂️✊ @brucelawson.vivaldi.net.ap.brid.gy · 17/08/2026
Happy 90th birthday to Margaret Hamilton, who led the development of the on-board flight software for NASA's Apollo Guidance Computer. Here she is in 1969, standing next to listings of the Apollo guidance software she and her MIT team produced.
black and white photo of a woman standing next to a stack of paper taller than she is.
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Gil Durán @gilduran.com · 15/08/2026
First I was banned from X/Twitter. Then Facebook banned my newsletter. Then X/Twitter banned me permanently. Now YouTube disables my channel the week of my book launch. Was it something I said? 👉 www.simonandschuster.com/books/The-Ne...
Stack of books. The nerd Reich, Gil Duran.
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