“What do programmers and cats have in common?” (joke)

A programmer riddle is:
   
Q: What do programmers and cats have in common?
A: When either one is unusually excited, an appropriate question is: ‘Did you find a bug?’”

 
The joke has been cited in print since at least 2009. Authorship is unknown.
 
     
Twitter
Carlos Nazareno
@object404
Q: What do programmers and cats have in common?A: When either one is unusually excited, an appropriate question is “Did you find a bug?”.
9:12 AM · Oct 3, 2009·Twitter Web Client
   
Twitter
Unnamed Red Shirt
@unnamedredshirt
Q: What do programmers and cats have in common?
A: When either one is unusually excited, an appropriate question is “Did you find a bug?”
12:06 AM · Oct 4, 2009·Twitter Web Client
   
Twitter
Nathaniel Bannister
@nathanielban
Q: What do programmers and cats have in common?
A: When either one is unusually excited, an appropriate question is “Did you find a bug?”.
1:39 AM · Oct 5, 2009·Twitter Web Client
   
Twitter
HTMLcut
@htmlcut
#Joke: Q: What do cats & programmers have in common? A: When either one is unusually happy a right question would be “did you find a bug?”
11:56 AM · Dec 24, 2011·Twitter Web Client
 
Twitter
hapagirl
@hapagirl
Replying to @knittymag
@knittydotcom Q: What do cats & programmers have in common?
A: Excitement often begs question, “did you find a bug?” http://1stwebdesigner.com/inspiration/programming-jokes-comics-videos/
11:49 AM · Dec 9, 2012 from Indiana, USA·Twitter for iPhone
       
Twitter
Aussie_dad_jokes
@AustralianGroan
Q: What do cats and programmers have in common?
A: When either one is unusually happy and excited, an appropriate question would be, “did you find a bug?”
3:50 PM · Mar 13, 2018·Twitter for Android
 
Twitter
Sellcodes
@Sellcodes
Q: What do cats and programmers have in common?
A: When either one is unusually happy and excited, an appropriate question would be, ““did you find a bug?
#coding #codinglife #codinghumor
1:00 PM · Oct 29, 2019·TweetDeck
 
Twitter
Programming with Eol
@EolProgramming
What do cats and programmers have in common?
When either one is unusually happy and excited, an appropriate question would be, “did you find a bug?”
#100DaysOfCode #joke #programminglife
6:13 PM · Sep 23, 2020·Twitter Web App
 
Reddit—ProgrammerHumor
Posted by u/Andrea_Crook March 18, 2021
What do cats and programmers have in common?
When either one is unusually happy and excited, an appropriate question would be, “did you find a bug?”
 
Reddit—Jokes
Posted by u/DerRaumdenker March 30, 2021
How programmers and cats are alike?
They both can sit in the same position for long time and get excited when they find a bug