Because it's Friday: Wat!?

Gary Bernhardt shares some of the quirkier aspects of languages like Ruby and JavaScript in this hilarious lightning talk from last year (via Hadley Wickham):

 

R doesn't get a mention, despite having its own ample share of, shall we say, unique idioms. I can think of a few (the effects of assigning to c or T, for example) — what's your favourite Wat!? moment in R? Let us know in the comments, and have a great weekend! 

Comments

[Yihui]

I think it is easy to make a video of two hours based on "The R Inferno" :)

[Alexandre Sieira]

for (i in as.Date("2013-03-10")) print(i)
#[1] 15774

And this was declared a "won't fix": http://r.789695.n4.nabble.com/Unexpected-behavior-looping-through-sequence-of-dates-td4660808.html