flori

def foo
  some_function_computing_integer_value
    + some_other_function_computing_integer_value
    + the_last_function_computing_integer_value
end

flori

def list_migrations
  Dir['db/migrate/[0-9]*.rb'].sort_by { |f| File.basename(f).to_i }
end

namespace :db do
  namespace :migrate do
    namespace :list do
      desc 'List all paths to migration files starting with the last one'
      task :paths do
        puts list_migrations

flori

Y = -> f { -> g { g[g] }[ -> h { -> *x { f[h[h]][*x] } } ] }

Y[ -> f { -> n { n < 1 ? 1 : n * f[n-1] } } ][23]

flori

require 'rubygems'
require 'benchmark'
require 'json'

A = (0..1_000).map { rand }

org_array = []
json_array = []

0.upto(20000) do |i|

flori

require 'permutation' # gem install permutation

>> Permutation.for((1..4).to_a.reverse).map(&:project).map(&:reverse)
 # => [[1, 2, 3, 4], [2, 1, 3, 4], [1, 3, 2, 4], [3, 1, 2, 4], [2, 3, 1, 4], [3, 2, 1, 4], [1, 2, 4, 3], [2, 1, 4, 3], [1, 4, 2, 3], [4, 1, 2, 3], [2, 4, 1, 3], [4, 2, 1, 3], [1, 3, 4, 2], [3, 1, 4, 2], [1, 4, 3, 2], [4, 1, 3, 2], [3, 4, 1, 2], [4, 3, 1, 2], [2, 3, 4, 1], [3, 2, 4, 1], [2, 4, 3, 1], [4, 2, 3, 1], [3, 4, 2, 1], [4, 3, 2, 1]]

flori

# vim: ts=2 sw=2 et ft=ruby
# Call with two strings of ones on the tape:
# $ turing.rb ones_difference.stm 1111 11

 1. right goto: 2
 2. cond  if: '1', then: 1, else: 3
 3. right goto: 4
 4. cond  if: '1', then: 5, else: 17
 5. right goto: 6
 6. cond  if: '1', then: 5, else: 7

flori

# vim: ts=2 sw=2 et ft=ruby
# Call with two strings of ones on the tape:
# $ turing.rb ones_difference.stm 1111 11

 1. right :goto => 2
 2. cond  :if => '1', :then => 1, :else => 3
 3. right :goto => 4
 4. cond  :if => '1', :then => 5, :else => 17
 5. right :goto => 6
 6. cond  :if => '1', :then => 5, :else => 7