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John Regehr

@regehr@mastodon.social
mastodon 4.8.0-nightly.2026-10-06
  • Open on mastodon.social

he/him

0 Followers
0 Following
50 Posts
Joined May 24, 2017
professional interests:
compilers, software testing, fuzzing, formal verification, lowkey shitposting, mountains, deserts, cats
my page:
https://john.regehr.org/
Open post
John Regehr @regehr@mastodon.social
· 1d ago
Boosted by @joe@f.duriansoftware.com
"High Expectations: An Observational Study of Programming and Cannabis Intoxication" https://dl.acm.org/doi/epdf/10.1145/3597503.3639145
dl.acm.org
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
Replying to
@dan@discuss.systems @dev@discuss.systems "goose was not valued" is what I'll mutter from now on when leaving faculty meetings
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
omg tell me I did *not* just push this to origin alt: "git commit -a -m 'remove 2 redundant testes'" 😭
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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
my good fellow human: Nothing is true, everything is permitted
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
Replying to
@aburka@hachyderm.io @SnoopJ@hachyderm.io @dan@discuss.systems @dev@discuss.systems I think it works same as tomatoes
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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
"how can we avoid losing an entire generation of students to AI" is the question to be asking right now https://mezha.net/eng/bukvy/ca117584_denmark_requires_oral/
Denmark Requires Oral Defenses for Students’ Written Work to Counter AI Cheating | Mezha
Mezha

Denmark Requires Oral Defenses for Students’ Written Work to Counter AI Cheating | Mezha

Students at Dueholmskolen are pictured in their classroom in Nykøbing Mors, Jutland, Denmark, on March 1, 2021. Bo Amstrup/Ritzau Scanpix/AFP/Getty Images. The policy takes effect immediately, but educators say the first response must evolve as AI tools keep advancing. Danish high school students will be required to defend their written assignments orally under new government […]

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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
Outer Banks alt: a low sun behind light cloud cover above a calm ocean. two small beach gazebos atop a dune are in the foreground
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago

well that's a really deep analysis. I wonder if any other airlines would like to know that every single person fucking hates them.

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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
Replying to
@lindsey@recurse.social that is 💯 the best path for them, on some other paths cthulhu gets involved
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
I feel like there should be more CS blogs in this vein https://www.science.org/content/blog-post/things-i-won-t-work-hexanitrohexaazaisowurtzitane
Things I Won't Work With: Hexanitrohexaazaisowurtzitane
science.org

Things I Won't Work With: Hexanitrohexaazaisowurtzitane

Things I Won't Work With: Hexanitrohexaazaisowurtzitane

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Open post
John Regehr @regehr@mastodon.social
· 5mo ago

yesterday’s hike was atop a long sandstone ridge, ending at this viewpoint where apparently some local bird likes to hang around

alt: view out over the red rock desert with a green canyon bottom off in the distance. in the foreground, a small dead tree with a lot of bird shit on and beneath it

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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
yum! (I might have overdone the parsley and mint. the chili peppers are inauthentic-- one is an ancho and the other is a guajillo 😆)
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
Replying to
@SnoopJ@hachyderm.io @aburka@hachyderm.io @dan@discuss.systems @dev@discuss.systems sCaLE
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
Replying to
@dan@discuss.systems @dev@discuss.systems Dev did you delete the goose slide tweet????
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Open post
John Regehr @regehr@mastodon.social
· 1mo ago
Replying to
@MaryAustinBooks@mstdn.social the last time I watched this movie it seemed that Lamarr was remarkably Trumplike
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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
I think she liquified alt: tabbycat draped over my outstretched legs, appearing boneless
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
RE: https://mastodon.social/@tonofcrates/116824302511635116 under what circumstances should a new project in 2026 be written in C? curious what people think.
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Open post
John Regehr @regehr@mastodon.social
· 2mo ago
hate it when that happens! https://sg.finance.yahoo.com/news/openai-execs-panicking-154658562.html
Yahoo Finance

OpenAI Execs Are Panicking

They're getting desperate.

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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@shriramk@mastodon.social yeah, I thought this site was pretty chill until I did a few AI posts and got lectured from both sides
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@palvaro@discuss.systems it would be really heartbreaking. if he recovers.
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@aburka@hachyderm.io @palvaro@discuss.systems in contrast I like to speak ill of the dead. not all dead, but you know the motherfuckers I'm talking about.
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@gwozniak @malwareminigun @jpetazzo @aburka we've only been doing this stuff for like 75 years, and a whole lot is from the last 25. we're just not very good at it so far.
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@riffraff @wollman @dev that is amazing!!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@dev do I detect... NEW FOOD DRAMA???
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@lindsey @dan "sl -a" is very weird
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@synlogic4242@social.vivaldi.net exactly
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@twifkak@mas.to or companies
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@iris@neuromatch.social it's so good!
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Open post
John Regehr @regehr@mastodon.social
· 4mo ago
Replying to
@sainati@types.pl @alpha_convert@types.pl congrats!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@jacobsa well, it certainly gives everyone the capacity to write a lot more software in a lot less time. like, in the class even the weaker students had a PyQT-based text editor up and running within days. regarding making strong people stronger, yeah I don't. know! I know that it saves me time on some tasks, but overall??? jury seems to be out
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@dev it was really good!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@ionchy@types.pl it is so good
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@aburka @malwareminigun @gwozniak @jpetazzo hey that is cool!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@resistor@mastodon.online @whitequark@social.treehouse.systems @penguin42@mastodon.org.uk we need to support scalable vectors in Alive2, then I can start supporting SVE, SVE2, and RVV
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@resistor@mastodon.online @whitequark@social.treehouse.systems @penguin42@mastodon.org.uk hahaha I think the most fun I've had programming in the last 3-4 years was implementing Neon in arm-tv. so I should know better.
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@wollman @dev and mint is delightful in a variety of bean and lentil dishes, of course
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@cfbolz awesome!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@geofflangdale@mastodon.social yes!!!
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John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@atsuzaki @dev blasphemy!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@gwozniak@discuss.systems @malwareminigun@infosec.exchange @jpetazzo@hachyderm.io @aburka@hachyderm.io hahaha super on-brand
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@synlogic4242 maybe ish, but the spices are somewhat different, take a look at the recipe!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@bygone12 😢
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@gwozniak@discuss.systems @malwareminigun@infosec.exchange @jpetazzo@hachyderm.io @aburka@hachyderm.io doesn't systemd have a crontab replacement? I feel like it must
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@muvlon thanks! I'm excited to try it
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John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@resistor@mastodon.online @whitequark@social.treehouse.systems @penguin42@mastodon.org.uk got it... thanks!
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Open post
John Regehr @regehr@mastodon.social
· 5mo ago
Replying to
@resistor@mastodon.online @whitequark@social.treehouse.systems @penguin42@mastodon.org.uk I like it too! it's like 17x nicer than Intel's stuff
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Open post
John Regehr @regehr@mastodon.social
· 3mo ago
Replying to
@Ruskin_Marc@mastodon.world @aburka@hachyderm.io @SnoopJ@hachyderm.io @dan@discuss.systems @dev@discuss.systems so good
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