Filk music is a musical culture, genre, and community tied to science fiction/fantasy fandom and a type of fan labor. The genre has been active since the early 1950s, and played primarily since the mid-1970s. The term (originally a typographical error) predates 1955.
== Etymology and definitions ==
As Interfilk's What it is? page demonstrates, there is no consensus on the definition of filk. Attempts have been made to define filk based on various criteria.
=== Style and content ===
Filk has been defined as folk music, usually with a science fiction or fantasy theme, but this definition ...
Add a feature to your favourite regex flavour! popularity-contest
Create a program that will take in a regex (in string form) and a string to match, and output a truthy value if it matched or a falsy value if it didn't. But here's the catch: your program should implement a new useful feature to...37
4
Take the average of the three given points. This new point P4 will always lie inside the triangle.
Now check if P and P4 lie on the same side of each of the three lines P1P2 P2P3 and P3P1. You can do this by checking the signs of the cross products (P -> P1) x (P -> P2) and (P4 -> P1) x (P4 -> P...
Javascript es6, 152 bytes
¯\_(ツ)_/¯
x=>[2,3,5,55,89,377,987,28657,75025,121393,317811,5702887,9227465,39088169,102334155,32951280099,4052739537881,806515533049393,7540113804746346429][x-1]
