mleszcz

require 'rubygems'
require 'mechanize'

FILE = 'crawler.log'

a = Mechanize.new { |agent|
  agent.user_agent_alias = 'Mac Safari'
}

a.get('http://www.com/') do |page|

mleszcz

def setbits_count(s)
  # bits map
  bm = {"0" => 0, "1" => 1, "2" => 1, "3" => 2, "4" => 1, "5" => 2, "6" => 2, "7" => 3,
        "8" => 1, "9" => 2, "A" => 2, "B" => 3, "C" => 2, "D" => 3, "E" => 3, "F" => 4}
  sum = 0
  0.upto(s.size-1) { |i| sum += bm[s[i]] }
  sum
end

mleszcz

def dups(arr, i, j)
  l_dups, r_dups = 0, 0
  i.upto(j) do |n|
    break if arr[n] != arr[i]
    l_dups +=1
  end
  j.downto(i) do |n|
    break if arr[n] != arr[j]
    r_dups += 1
  end

mleszcz

module OrderedModel
  def up
    self.class.update_all 'ord = ord + 1', "ord = #{self.ord-1}"
    update_attribute :ord, self.ord-1
  end

  def down
    self.class.update_all 'ord = ord - 1', "ord = #{self.ord+1}"
    update_attribute :ord, self.ord+1
  end

mleszcz

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  # Activate the gem you are reporting the issue against.

mleszcz

# In an object instance variable (denoted with '@'), remember a block.
def remember(&a_block)
  @block = a_block
end

# Invoke the preceding method, giving it a block that takes a name.
remember {|name| puts "Hello, #{name}!"}

# Call the closure (note that this happens not to close over any free variables):
@block.call('Jon')   # => "Hello, Jon!"

mleszcz

class Invoice
  attr_accessor :product_name
  
  def email_invoice
    puts "Emailing an invoice..."
    puts name
  end
  
  def short_name
    puts name

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class Invoice
  attr_accessor :product_name

  # default name
  def name
    "Invoice for #{@product_name}"
  end
end

class InvoiceEmail < Invoice

mleszcz

class OrderRepor
  attr_accessor :attributes
  
  def initialize(various_attributes)
    @attributes = various_attributes
  end
  
  def print_out
    puts "Summary title"
    puts @attributes[:item_name]

mleszcz

class OrderRepor
  attr_accessor :attributes
  
  def initialize(various_attributes)
    @attributes = various_attributes
  end
  
  def print_out
    puts "Summary title"
    puts @attributes[:item_name]