chischaschos

#Refactor following code using singleton pattern and explain your answer
require 'singleton'

class Logger

  include Singleton

  LOG_FILE_NAME = 'dev.log'

  def initialize 

chischaschos

# This module helps converting to string every object that includes it
module Stringfier
  attr_reader :app
  def to_str
    "Your app http status is: -> #{@app[0]}<-, " + \
    "with headers: ->#{@app[1]}<-, " + \
    "and body: ->#{@app[2]}<-"
  end
end

chischaschos

test_app = lambda do |env|
  [200, 
    {'Content-Type' => 'text/html',
    'Content-Length' => '3'}, ['Yes']]
end

describe test_app, 'RackApp' do

  it { should respond_to(:call) }
  

chischaschos

--- 
BUNDLE_DISABLE_SHARED_GEMS: "1"

chischaschos

module RubyLearning
  module Module

    WRAPPER_PREFIX = 'wrapper_'
    WRAPPED_PREFIX = 'wrapped_'


    def before(method, prev_option = {})
      prev_option.merge!(:before => normalize_method_name(method))
    end

chischaschos

class A
end

puts "--" + A.instance_methods(false).join(', ')

class A
  def otro
  end
end

chischaschos

*.swp

chischaschos

headers = nil
rows = []

File.open(ARGV[0] || 'data.csv', 'r') do |file|
  headers = file.gets.split(',')

  while(line = file.gets) do
    cols = line.split(',')
    rows << cols
  end

chischaschos

We couldn’t find that file to show.

chischaschos

class Saludador
  def initialize(*user)
    @user = user[0]
    raise "An user has to be provided" unless @user

  end
  def saluda
    "Hola amigo"
  end