XanderStrike

# ruby fibs

require 'benchmark'

# === stupid ===
def recursive_fib(n)
  n <= 1 ? n : recursive_fib(n-1) + recursive_fib(n-2);
end

puts Benchmark.measure { recursive_fib(35) }

creature

class Node
	attr_accessor :value
	attr_accessor :next, :previous

	def initialize(value)
		@value = value
		@next = nil
		@previous = nil
	end
end

RohitRox

function sinatra {

  if [ "$1" == "" ]; then
		echo "Usage:"
		echo "'sinatra app_name' to create a new Sinatra app skeleton";
	else
		if [ ! -d "$1" ]; then
			echo "Generating your app ... "
			mkdir $1
			mkdir  $1/views;

runemadsen

require 'sinatra'

get "/" do
  erb :form
end

post '/save_image' do
  
  @filename = params[:file][:filename]
  file = params[:file][:tempfile]

amejiarosario

Rails ActiveRecord (association) - Cheatsheet

http://guides.rubyonrails.org/association_basics.html

Types of associations

• belongs_to : TABLE_NAME
• has_one : TABLE_NAME [:through => :TABLE_NAME]
• has_many : TABLE_NAME [:through => :TABLE_NAME]
• has_and_belongs_to_many : TABLE_NAME [:join_table => :TABLE_NAME]

JoshCheek

puts Solution.new('1. Fizz Buzz', <<SOLUTION)
  def fizzbuzz(n)(n%15==0?'FizzBuzz':n%3==0?'Fizz':n%5==0?'Buzz':n).to_s end
SOLUTION
  .test { fizzbuzz 3  }.expect { |result| result == "Fizz"      }
  .test { fizzbuzz 10 }.expect { |result| result == "Buzz"      }
  .test { fizzbuzz 45 }.expect { |result| result == "FizzBuzz"  }
  .test { fizzbuzz 31 }.expect { |result| result == "31"        }