betasilly

4 ms·

1. 1.▲
   Estimating the number of J programmers in HN

   2 points by betasilly 1y ago|0 comments
2. 2.▲
   by betasilly 1y ago

   Hello fellow J programmer. In statistic you can estimate the population size by coloring fishes that you put in a lake and some time later you fish in that lake, the proportion of colored fishes allow you to estimate the size of the popula
3. 3.▲
   by betasilly 1y ago

   Another interesting fact is that each time you make the xor of four consecutive numbers, beginning with an even number, the result is zero. Example in J. xor =: (16 + 2b0110) b. f =: 3 : 'xor/ y + i. 4' f"0 ] 2 *