[Jprogramming] why is `'' different than 5!:1 ?

Pascal Jasmin godspiral2000 at yahoo.ca
Sat Apr 5 20:22:42 UTC 2014


  $  +`'' 
1 
  $  + ar=: 1 : '5!:1 <''u''' 

EMPTY

what applications make `'' more useful than ar?


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