Roy van Rijn
@royvanrijn.com
Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
Wait, Thomas won the contest 🤔 he did hire one of the developers that participated and made an amazing piece of code.
December 14, 2025 at 10:29 AM
Wait, Thomas won the contest 🤔 he did hire one of the developers that participated and made an amazing piece of code.
Thanks for being such an amazing host!
December 4, 2025 at 3:17 AM
Thanks for being such an amazing host!
Oh wait haha, I’m in Australia right now.
December 4, 2025 at 1:41 AM
Oh wait haha, I’m in Australia right now.
Going to New Zealand in two weeks... and I'm still not convinced platypuses are real, I'm pretty sure it's just beavers-with-strap-on-beaks.
December 4, 2025 at 12:21 AM
Going to New Zealand in two weeks... and I'm still not convinced platypuses are real, I'm pretty sure it's just beavers-with-strap-on-beaks.
Surely there is a toggle for that... somewhere?
I have the same with YouTube on my TV, always re-enabling English subtitles for Dutch videos, which... I don't want or need.
I have the same with YouTube on my TV, always re-enabling English subtitles for Dutch videos, which... I don't want or need.
November 5, 2025 at 8:50 AM
Surely there is a toggle for that... somewhere?
I have the same with YouTube on my TV, always re-enabling English subtitles for Dutch videos, which... I don't want or need.
I have the same with YouTube on my TV, always re-enabling English subtitles for Dutch videos, which... I don't want or need.
Reposted by Roy van Rijn
MELBOURNE, Australia, December 4th - #FashionTech Meet-Up, come join! RSVP through the site (free) #Robotics #SmartTextiles #ML #Sensors
events.humanitix.com/fashiontech-...
Melbourne Dec 1 - 6
Brisbane Dec 6 - 10
Sydney Dec 10 - 13
Canberra Dec 13 - 15
NZ Dec 15 - Jan 5
events.humanitix.com/fashiontech-...
Melbourne Dec 1 - 6
Brisbane Dec 6 - 10
Sydney Dec 10 - 13
Canberra Dec 13 - 15
NZ Dec 15 - Jan 5
FashionTech Meetup with special guest Anouk Wipprecht
Anouk Wipprecht is a Dutch designer/engineer working at the cutting edge of FashionTech; where couture meets robotics, AI, and interactive design. Her creations
events.humanitix.com
November 5, 2025 at 8:09 AM
MELBOURNE, Australia, December 4th - #FashionTech Meet-Up, come join! RSVP through the site (free) #Robotics #SmartTextiles #ML #Sensors
events.humanitix.com/fashiontech-...
Melbourne Dec 1 - 6
Brisbane Dec 6 - 10
Sydney Dec 10 - 13
Canberra Dec 13 - 15
NZ Dec 15 - Jan 5
events.humanitix.com/fashiontech-...
Melbourne Dec 1 - 6
Brisbane Dec 6 - 10
Sydney Dec 10 - 13
Canberra Dec 13 - 15
NZ Dec 15 - Jan 5
Really looking forward to see everybody at J-Fall's speakers dinner tonight, who's going to be there?
November 5, 2025 at 8:05 AM
Really looking forward to see everybody at J-Fall's speakers dinner tonight, who's going to be there?
sum = a + b; // Add a and b to get the sum
October 30, 2025 at 7:11 PM
sum = a + b; // Add a and b to get the sum
The em-dash is a clear indicator text was generated by AI.
What is the em-dash of generated code?
What is the em-dash of generated code?
October 30, 2025 at 6:54 PM
The em-dash is a clear indicator text was generated by AI.
What is the em-dash of generated code?
What is the em-dash of generated code?
Respect to the man in the ice cream van! 🚐 🍦
October 29, 2025 at 8:39 PM
Respect to the man in the ice cream van! 🚐 🍦
Damn, just looked up Apeldoorn, that area is amazing
October 29, 2025 at 2:56 PM
Damn, just looked up Apeldoorn, that area is amazing
Damn, you need a map to get to a polling station?
October 29, 2025 at 7:13 AM
Damn, you need a map to get to a polling station?
Reposted by Roy van Rijn
Next up we’re learning how to use Agentic AI/MCP using Kotlin with David Stibbe
October 28, 2025 at 7:01 PM
Next up we’re learning how to use Agentic AI/MCP using Kotlin with David Stibbe
Reposted by Roy van Rijn
First speaker of the day is @wbauweraerts.bsky.social on moving from fragile to fearless tests.
Perfect breakdown on how testing should be used to be able to test and deploy with confidence 💪🏼
Perfect breakdown on how testing should be used to be able to test and deploy with confidence 💪🏼
October 28, 2025 at 5:35 PM
First speaker of the day is @wbauweraerts.bsky.social on moving from fragile to fearless tests.
Perfect breakdown on how testing should be used to be able to test and deploy with confidence 💪🏼
Perfect breakdown on how testing should be used to be able to test and deploy with confidence 💪🏼
There are still some spots available for the next @rotterdamjug.bsky.social meetup:
www.meetup.com/rotterdamjug...
RSVP now!
www.meetup.com/rotterdamjug...
RSVP now!
📢 Writing Fearless Tests & Agentic AI in Kotlin, Tue, Oct 28, 2025, 5:30 PM | Meetup
**RotterdamJUG** is back with **two** amazing talks:
**Wouter Bauweraerts** 🇧🇪 will share how to write tests that truly survive refactoring, while **David Stibbe** 🇳🇱
www.meetup.com
October 21, 2025 at 2:03 PM
There are still some spots available for the next @rotterdamjug.bsky.social meetup:
www.meetup.com/rotterdamjug...
RSVP now!
www.meetup.com/rotterdamjug...
RSVP now!
October 6, 2025 at 2:07 PM
If you don’t pay for YouTube, you’ll get some unskippable ads…
Sooooo if a software conference doesn’t pay their speakers, should they be allowed to sell in-talk ad-segments? 😂
“This talk is made possible by Squarespace/NordVPN/Raid Shadow Legends/Brilliant”
Sooooo if a software conference doesn’t pay their speakers, should they be allowed to sell in-talk ad-segments? 😂
“This talk is made possible by Squarespace/NordVPN/Raid Shadow Legends/Brilliant”
October 3, 2025 at 7:29 AM
If you don’t pay for YouTube, you’ll get some unskippable ads…
Sooooo if a software conference doesn’t pay their speakers, should they be allowed to sell in-talk ad-segments? 😂
“This talk is made possible by Squarespace/NordVPN/Raid Shadow Legends/Brilliant”
Sooooo if a software conference doesn’t pay their speakers, should they be allowed to sell in-talk ad-segments? 😂
“This talk is made possible by Squarespace/NordVPN/Raid Shadow Legends/Brilliant”
I'm once again looking for awesome speakers and topics for upcoming @rotterdamjug.bsky.social meetup(s).
The next one is probably going to be in the week of 27 - 31 October... 👻 🎃
If you're interested, DM me!
The next one is probably going to be in the week of 27 - 31 October... 👻 🎃
If you're interested, DM me!
September 8, 2025 at 8:15 AM
I'm once again looking for awesome speakers and topics for upcoming @rotterdamjug.bsky.social meetup(s).
The next one is probably going to be in the week of 27 - 31 October... 👻 🎃
If you're interested, DM me!
The next one is probably going to be in the week of 27 - 31 October... 👻 🎃
If you're interested, DM me!
It's just the right amount of poison for humans, makes us awake and alert, is slightly addictive (but not too much), it's perfect.
/me runs downstairs for another doppio for the next meeting
/me runs downstairs for another doppio for the next meeting
a man in a tuxedo is holding a cup of tea
ALT: a man in a tuxedo is holding a cup of tea
media.tenor.com
September 8, 2025 at 8:07 AM
It's just the right amount of poison for humans, makes us awake and alert, is slightly addictive (but not too much), it's perfect.
/me runs downstairs for another doppio for the next meeting
/me runs downstairs for another doppio for the next meeting
Het ging over een man die om 10 uur 's ochtends z'n volledige sealtje sos over straat liet vallen en het vervolgens direct van de grond op probeerde op te snuiven met een stukje papier.
Wil iemand wedje leggen waar de voice note over gaat voordat ik em luister?
September 8, 2025 at 7:43 AM
☕️ Caffeine is inevitable.
Numerous plants across the world evolved producing caffeine independently. To poison bugs, sabotage rivals, and even hack bees’ memories...
Numerous plants across the world evolved producing caffeine independently. To poison bugs, sabotage rivals, and even hack bees’ memories...
September 8, 2025 at 7:41 AM
☕️ Caffeine is inevitable.
Numerous plants across the world evolved producing caffeine independently. To poison bugs, sabotage rivals, and even hack bees’ memories...
Numerous plants across the world evolved producing caffeine independently. To poison bugs, sabotage rivals, and even hack bees’ memories...