“Three programmers walk into a bar…” (bar joke)

“A guy walks into a bar…” is a typical form of what has been called the “bar joke.” A programmer version is:
       
“A programmer walks into a bar holding up two fingers and says: ‘Three beers, please.’”
     
The programmer is using base 2 (binary). The joke was posted on the newsgroup borland.public.off-topic on June 15, 2007.
   
The joke is often given with three programmers walking into a bar. “Three programmers walk into a bar. One of them holds up two fingers and says ‘three beers bartender’” was posted on the newsgroup ed.general on August 13, 2008.
   
           
Google Groups: borland.public.off-topic
Recrimiinations  
Bruce Salzman
Jun 15, 2007, 5:23:22 PM
(...)
A programmer walks into a bar, holds up two fingers, and says “Bartender, gimme three beers.”
       
Google Groups: ed.general
More Edinburgh photos from 1959  
Zimmy
Aug 13, 2008, 12:22:39 PM
(...)
Three programmers walk into a bar. One of them holds up two fingers and says “three beers bartender.” 😊
 
StackPrinter
[+36] [2009-10-23 00:26:54] Loki Stormbringer
Three programmers go into a bar and sit down at a table. The first programmer holds up two fingers and says “Three beers”.
 
Twitter
jonathan ‘j5’ cook
@j5bot
via http://voice0reason.livejournal.com/: A programmer walks into a bar and says [holding up two fingers], “Three beers please.”
10:53 PM · Dec 4, 2009·Twitter Web Client
   
Twitter
Hasani Hunter
@hasanihunter
RT @griffordson: @BeerCodeOmaha A programmer walks into a bar holding up two fingers and says: “Three beers, please.”
11:19 AM · Feb 14, 2011·Tweetie for Mac
   
Twitter
lindsay
@lynzt
Replying to @GiTMSP
@GiTMSP A computer programmer walks into a bar, holds up two fingers and says, “Three beers, please.”
2:16 PM · Mar 12, 2014·Twitter Web Client
   
Twitter
Evan Milton
@evan_milton
SENSORbot: 198.47.242.186 ~ Three programmers walk into a bar. The first programmer holds up two fingers and says “Three beers”.
5:48 PM · May 19, 2015·Evan’s Data Logger
   
Twitter
Fast Enterprises
@FastEntCareers
Three programmers walk into a bar. The first programmer holds up two fingers and says “Three beers”. #ClassicJokeMonday #YFAST
9:25 AM · Jun 1, 2015·Hootsuite
   
Twitter
CodeChef
@codechef
Three programmers walk into a bar. The first programmer holds up two fingers and says “Three beers”. #CodeChef #ThingsProgrammerSay
12:30 AM · Dec 31, 2016·Buffer
 
Reddit—ProgrammerHumor
Posted by u/antiquark2 November 18, 2017
Three programmers walk into a bar…
(Three programmers are shown walking onto a bar. One holds up two fingers and says, “Three beers.”—ed.)
     
Twitter
GDI Buffalo
@gdiBuffalo
Three programmers walk into a bar. The first programmer holds up two fingers and says “Three drinks” #fridayFunny #fridayDeeling
1:45 PM · Jan 5, 2018·Hootsuite
 
Twitter
natalee
@nataIee
Replying to @elonmusk
A programmer walks into a bar and holds up two fingers and says “Three beers please”
4:38 PM · May 23, 2018·Twitter for iPhone
 
Reddit—ProgrammerHumor
Posted by u/PowerMan2206 Janyar 25, 2019
A programmer walks into a bar,
Shows the barista his little finger on his left hand and says “32 beers, please”.
 
Reddit—Jokes
Posted by u/FoxyCamoCat738 April 23, 2021
A programmer walks into a bar, holds out all 10 fingers, and says
“2 beers, please.”
 
Reddit—Jokes
Posted by u/Arl107 August 29, 2021
A programmer walks into a bar,
A programmer walks into a bar, holds up two fingers, and says “I’ll have three beers please.”
 
Math Humor
Programmer Jokes
* * * (New added September 2021) (submitted by Sergei Bernstein)
A programmer walks into a bar, holds up two fingers and says, “I’ll have three beers please.”