jgagner

use Rack::Logger
app = proc do |env|
  [ 200, {'Content-Type' => 'text/plain'}, "a" ]
end

run app

#This will produce: 
# Rack::Lint::LintError: rack.errors#close must not be called

jgagner

require 'benchmark'


d1 = [1,1,1,1,0,0,0,0,0]
d2 = [1,0,1,0,1,1,0,0,0]
d3 = [0,0,0,0,1,0,1,1,1]



def calc_sim vector1, vector2

jgagner

Spec::Matchers.define :be_invalid_on do |field|
  match do |model_instance|
    !model_instance.valid? && model_instance.errors.on(field) != nil   
  end
end