coreyhaines

Write a system that evolves a 100 x 100 grid of cells
to the next generation according to the following rules.

1) Any living cell with less than 2 live neighbors dies
2) Any living cell with 2 or 3 live neighbors stays alive
3) Any living cell with more than 3 live neighbors dies
4) Any dead cell with exactly 3 lives neighbors comes to life

Note: A cell has 8 neighbors
...

radar

ruby-1.9.2-p180 :001 > bunny = bunny = { bunny => bunny }
 => {nil=>nil} 
ruby-1.9.2-p180 :002 > bunny = bunny = { bunny => bunny }
 => {{nil=>nil}=>{nil=>nil}} 
ruby-1.9.2-p180 :003 > bunny = bunny = { bunny => bunny }
 => {{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}} 
ruby-1.9.2-p180 :004 > bunny = bunny = { bunny => bunny }
 => {{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}=>{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}} 
ruby-1.9.2-p180 :005 > bunny = bunny = { bunny => bunny }
 => {{{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}=>{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}}=>{{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}=>{{{nil=>nil}=>{nil=>nil}}=>{{nil=>nil}=>{nil=>nil}}}}} 

BinaryMuse

if ENV['MY_RUBY_HOME'] && ENV['MY_RUBY_HOME'].include?('rvm')
  begin
    rvm_path     = File.dirname(File.dirname(ENV['MY_RUBY_HOME']))
    rvm_lib_path = File.join(rvm_path, 'lib')
    $LOAD_PATH.unshift rvm_lib_path
    require 'rvm'
    RVM.use_from_path! File.dirname(File.dirname(__FILE__))
  rescue LoadError
    raise "RVM ruby lib is currently unavailable."
  end

lucapette

class Array
  def self.toy(n=10, &block)
    block_given? ? Array.new(n,&block) : Array.new(n) {|i| i+1}
  end
end

class Hash
  def self.toy(n=10)
    Hash[Array.toy(n).zip(Array.toy(n){|c| (96+(c+1)).chr})]
  end

josevalim

# In your test_helper.rb
class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || retrieve_connection
  end
end

mrrooijen

# Guide
# Configure the essential configurations below and do the following:
# 
#   Repository Creation:
#     cap deploy:repository:create
#     git add .
#     git commit -am "initial commit"
#     git push origin master
# 
#   Initial Deployment: