murajun1978

module PrependModule
  def foo
    'prepend module'
  end
end

class PrependClass
  prepend PrependModule
  
  def foo

murajun1978

# "0:Ruby" "1:mruby" "2:RubyMotion"
%w(Ruby mruby RubyMotion).each_with_index do |name, index|
  puts "#{index}:#{name}"
end #=> ["Ruby", "mruby", "RubyMotion"]

# "1:Ruby" "2:mruby" "3:RubyMotion"
%w(Ruby mruby RubyMotion).each.with_index(1) do |name, index|
  puts "#{index}:#{name}"
end #=> ["Ruby", "mruby", "RubyMotion"]

murajun1978

gem('sqlite3', group: :development)
gem('thin', group: :development)
gem('pg', group: :production)
gem('everywhere')

gem('rubocop', group: [:development, :test])
gem('brakeman', group: [:development, :test])
gem('rspec-rails', group: [:development, :test])
gem('factory_girl_rails', group: [:development, :test])
gem('database_rewinder', group: [:development, :test])

murajun1978

require 'csv'

file_path = ARGV[0]
CSV.foreach(file_path, encoding: 'SJIS:UTF-8') do |row|
  p row
end

murajun1978

namespace :secret do
  secret_token_file = Rails.root.join('config', 'initializers', 'secret_token.rb')

  file secret_token_file do
    require 'securerandom'
    token = SecureRandom.hex(64)

    require 'active_support/core_ext/string/strip'
    application_name = Rails.application.class.name
    content = <<-EOS.strip_heredoc

murajun1978

foo = "hogehoge"
bar = "hoge"

foo.scan(/#{bar}/) # => ["hoge", "hoge"]

murajun1978

require 'nokogiri'
require 'open-uri'

#ATND API Reference -> http://atnd.org/doc/api.html
#Search "Pronama" events.
xml_doc = Nokogiri::XML(open("http://api.atnd.org/events/?keyword=pronama&format=xml"))

#Get titles
xml_doc.search("//title").each do |title|
  puts title.text

murajun1978

require 'net/https'

Net::HTTP.version_1_2

http = Net::HTTP.new('www.qiita.com', 443)

http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

#twittername or githubname@github