ohta-rh

class Ohta < ::Chu2Byou
  include ::Rock::90::Nirvana
  include ::Rock::90::Radiohead
  include ::Book::MishimaYukio
  

  def suicide
    raise NotImplementedError 
  end

ohta-rh

#attrs = { foo: "foo", bar: "bar", baz: "baz" ,,,,}
class DefineMethodSample
  def initialize(attrs)
    attrs.symbolize_keys!
    attrs.each do |k, v|
      self.class.send(:define_method, k)  { return(v) }
    end 
  end 
end 

ohta-rh

 group :test do
  gem "rspec-rails",        '>=2.0.0'
  gem "rspec",              '>=2.0.0'
  gem "rspec-core",         '>=2.0.0'
  gem "rspec-expectations", '>=2.0.0'
  gem "rspec-mocks",        '>=2.0.0'
  gem 'email_spec'
  gem 'rr'
end

ohta-rh

require 'digest/md5'
class Hoge
  def initialize
    @data = nil 
  end 

  def data=(data)
    @data = Digest::MD5::hexdigest(data)
  end 

ohta-rh

#sample code
class Hoge
  def say(message=nil)
    message ||= "hoge"
    return message
  end
end

#rspec
describe Hoge do

ohta-rh

#coding: utf-8
#別名メソッドに気をつけよう。
#たとえば
#array.mapとarray.collectは同じメソッドです。

#自己破壊メソッドはポインタ参照が変わらないため、変数bは変数aの内容を表示する。
a = [1,2,3]
b = a
a.reverse!
p b

ohta-rh

#coding: utf-8
puts "Hello world"

ohta-rh

#coding: utf-8
from xml.etree.ElementTree import ElementTree
import urllib
url = "http://example.com/example.xml"
xml = ElementTree(file=urllib.urlopen(url))
for e in list(xml.getroot().getiterator()):
 if e.tag != None and e.text != None :
   print e.tag.encode("utf-8") + ":" + e.text.encode("utf-8")

ohta-rh

#coding: utf-8
class Hoge
  strategy = None
  @classmethod
  def set_strategy(cls, strategy) :
    self.strategy = strategy || Piyo
  @classmethod 
  def say(cls) :
    return self.strategy.say()

ohta-rh

#coding: utf-8
class Hoge :
  @classmethod
  def say_hoge(cls) :
     print "hoge"