antimon2

begin
  # prompt> gem install enumerable_lz
  require 'enumerable_lz'
rescue LoadError
  # prompt> gem install enumerable-lazy if ruby --version < '2.0.0'
  require 'enumerable/lazy' if RUBY_VERSION < '2.0'
  module Enumerable
    def transform &block;lazy.map(&block);end
  end
end

havenwood

array = [1, 2, 3, 4]

# So...

Hash[*array].map { |k, v| "#{k} - #{v}<br>" }.join

# versus

array.each_slice(2).map { |s| s.join(' - ') }.join '<br>'

havenwood

class String
  def ditch_line ditched_line
    self.split("\n").delete_if { |line| line == ditched_line }.join("\n")
  end
end

"Hello there\nGoodbye now\nCome again".ditch_line 'Hello there'
#=> "Goodbye now\nCome again"

plexus

# -*- coding: utf-8 -*-
class WikiTable
  attr_accessor :rows, :attributes

  class Row
    attr_accessor :cells, :attributes
    def initialize
      @cells = []
    end
    def <<(c); cells << c ; end

havenwood

class Dictionary
  attr_reader :entries
  
  def initialize
    @entries = {}
  end
  
  def add naked_hash
    naked_hash.each do |k, v|
      @entries[k] = v

plexus

#!/usr/bin/ruby

require 'socket'
require 'thread'
require 'optparse'
require 'tmpdir'

class ProxyServer
  attr_reader :switches
  attr_reader :listen_port, :remote_host, :remote_port

taq

p [:ruby, :"2.0", :symbol, :array, :literal]
#=> [:ruby, :"2.0", :symbol, :array, :literal]
p %i(ruby 2.0 symbol array literal)
#=> [:ruby, :"2.0", :symbol, :array, :literal]

cielavenir

#!/usr/bin/ruby
require 'enumerable/lazy' if RUBY_VERSION<'2.0'
a,b=2,1;p (0..1/0.0).lazy.map{a,b=a*2+b*3,a+b*2;s=2*(a%3==1?a+1:a-1)}.take_while{|s|s<=10**9}.reduce(:+)

sandys

# run using ```rvm jruby-1.6.7 do  jruby "-J-Xmx2000m" "--1.9" tej.rb```

require 'rubygems'
require 'nokogiri'
require 'csv'

f = File.open("/tmp/preview.html")
doc = Nokogiri::HTML(f)
csv = CSV.open("/tmp/output.csv", 'w',{:col_sep => ",", :quote_char => '\'', :force_quotes => true})

gavinheavyside

fizz    = [nil, nil, "Fizz"].cycle
buzz    = [nil, nil, nil, nil, "Buzz"].cycle

(1..100).zip(fizz, buzz) do |num, *fb|
  puts fb.compact.reduce(:+) || num
end