Poincare

require 'eventmachine'


EM.run do
  EM.add_periodic_timer(1) do
    puts "time elapsed"
  end
end

Poincare

require 'eventmachine'


EM.run do
  EM.add_timer(10) do
    puts "STOP"
    EM.stop_event_loop
  end

  EM.add_periodic_timer(1) do

Poincare

require 'eventmachine'

EM.run do
  EM.add_periodic_timer(1) do
    puts "time elapsed"
  end
  EM.defer do
    logs = IO.readlines('/var/log/kernel.log')
  end
end

Poincare

require 'eventmachine'
EM.run do
  spawned_process = EM.spawn do |did_what|
    puts "I just " + did_what
  end
  
  EM.add_periodic_timer(1) do
    spawned_process.notify "ate"
  end
 

Poincare

def fitness(n):
    return n^0b1010
end

Poincare

class Chromosome
  attr_accessor :bitstring
  attr_accessor :fitness

  def generate_random(length)
    i = 0
    @bitstring = ""
    while i < length
      @bitstring += rand(2).to_s
      i += 1

Poincare

class Chromosome
  attr_accessor :bitstring

  def fitness_func(n)
    return n^0b1010
  end
  
  ...

Poincare

class Chromosome
  ...

  def self.set_roulette(chrs)
    @@roulette = []
    chrs.each do |f|
      i = 0
      while i < f.fitness
        @@roulette.push(f)
        i += 1

Poincare

class Chromosome
   ...
  def self.produce_new(chrs)
    roulette(chrs)

    newchrs = []
    chrs.each do |c|
      newchrs.push(roulette(chrs))
    end
    fitnesses(newchrs)

Poincare

class Chromosome
  ...
  def self.get_mates(chrs)
    i = 0
    res = {}

    #again, the counting is very important (and mistakes are very hard to catch)
    #so, we are writing it out in full
    while i < chrs.length
      res[i] = i+1