Dang, rejected for JFokus again. Hard to get into Java confs lately with the focus on AI and traditional languages and frameworks. Those Java dudes need to branch out a bit and relax. 😆 Plus my talk is about ALL the cool JVM stuff right now, with an alt-lang perspective.
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Ugh, @LinkedIn needs to release a separate chat app. I have a bunch of comms happening there and it's not a great experience as a sidecar feature.
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Woohoo! I'm headed to San Francisco 🌉 for @sfrubyconf next week! Hoping to make some connections while I get settled and reacquaint myself with the city. Let's grab a beer and talk about elevating Ruby with JRuby! Tickets close in just two days! 🍻
sfruby.com
sfruby.com
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Charles Oliver Nutter retweeted
JRuby 10.0.8.0 is released with dozens of fixes! JRuby 10.0 is our stable "LTS" line and we recommend all users upgrade. Check out the long list of improvements!
jruby.org/2026/11/05/jru…
jruby.org/2026/11/05/jru…
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Anyone who wants to dip their toe into JRuby contribution could start by looking at excluded ruby/json tests. A big one would be to implement ResumableParser, a json 3.x feature that never made it into the JRuby backend. Help wanted!
buff.ly/XOEnLss
buff.ly/XOEnLss
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Charles Oliver Nutter retweeted
Fam, I need help sharing our Rails Girls event in Women in tech and similar communities in the Bay. The event is for non-engineers, zero experience required. You build an app in a few hours, and we mentor, support and answer all questions. If you’re a part of such group, could you kindly post it there?
Rails Girls is coming to SF! 🔥🔥🔥
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Charles Oliver Nutter retweeted
io-event has its tests passing on JRuby head now! (Except two that can’t run on Java like priority data)
Exciting levels of activity in the JRuby repo lately! Heavily agent-driven, but our agent-focused docs and our policy of "you must understand your PR" has improved quality immensely. Big improvements coming for fiber scheduling and async. Jump in!
buff.ly/IqogKPd
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Exciting levels of activity in the JRuby repo lately! Heavily agent-driven, but our agent-focused docs and our policy of "you must understand your PR" has improved quality immensely. Big improvements coming for fiber scheduling and async. Jump in!
buff.ly/IqogKPd
buff.ly/IqogKPd
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Today Codex suggested a fix for a native-callback bug that would work in a simpler runtime like CRuby, but would violate many JNI requirements on the JVM. When I pointed this out, it was all "oops, my bad". How would a non-expert catch these mistakes?
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Here's a nasty NIO gotcha: passing a large heap buffer to a blocking channel will copy the entire buffer to native, even if the write only consumes a small part of it. Set a limit to only copy reasonably-sized chunks in a loop.
buff.ly/1ojIuZt
buff.ly/1ojIuZt
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Charles Oliver Nutter retweeted
Save the date! #GoatConf
Tuzla, Bosnia & Herzegovina.
3-5 June, 2027.
Free to attend.
CFP is open.
goatconf.com
Tuzla, Bosnia & Herzegovina.
3-5 June, 2027.
Free to attend.
CFP is open.
goatconf.com
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Charles Oliver Nutter retweeted
Our friends at @GoatConf are kicking off something amazing next June! 🐐
After running EuRuKo 2024, then RubyConf Austria 2026, they're bringing a fresh conference to Tuzla – a free event for everyone who builds and sells software, whatever their stack!
Check it out! 👇
After running EuRuKo 2024, then RubyConf Austria 2026, they're bringing a fresh conference to Tuzla – a free event for everyone who builds and sells software, whatever their stack!
Check it out! 👇
Save the date! #GoatConf
Tuzla, Bosnia & Herzegovina.
3-5 June, 2027.
Free to attend.
CFP is open.
goatconf.com
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OMG I just had YouTube play a video with AI autodubbing and it's the worst thing I've ever heard. Garbage English instead of Japanese for an anime commercial... true AI vomit. To disable it if you must that language in your preferred languages in settings. AI ruins everything. 😡
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Pretty annoying that Discord doesn't provide a way to report obvious bot spammers. Only four options for reporting an account: their photo, their name, their description, or their server tag. No wonder I keep getting friend requests from these accounts.
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Charles Oliver Nutter retweeted
@elonmuskit's just compressed air.
Easier.
But crappy specific impulse (less than 50 seconds).
Even assuming that 50% of the mass of the car is the compressed air, that gives you less than 10s of useful thrust (with thrust-to-weight ratio larger than 1.0). Probably more like 5 seconds, actually.
So the car must be an empty, lightweight shell containing big compressed air tanks.
Cute demo, but totally impractical.
But of course, you knew that.
Easier.
But crappy specific impulse (less than 50 seconds).
Even assuming that 50% of the mass of the car is the compressed air, that gives you less than 10s of useful thrust (with thrust-to-weight ratio larger than 1.0). Probably more like 5 seconds, actually.
So the car must be an empty, lightweight shell containing big compressed air tanks.
Cute demo, but totally impractical.
But of course, you knew that.
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That's right, we've been working on JRuby for over 20 years. My work is now funded by JRuby support contracts via @HeadiusEnts and GitHub Sponsorships (github.com/sponsors/headi…). Partner with me to keep this crazy dream alive!
@headius I've been getting into reading ancient Ruby mailing lists and found this for JRuby 20 years ago today 😁 marc.info/?l=ruby-talk&m…
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