akshay-vishnoi

# encoding: utf-8
# #
# # RFC822 Email Address Regex
# # --------------------------
# #
# # Originally written by Cal Henderson
# # c.f. http://iamcal.com/publish/articles/php/parsing_email/
# #
# # Translated to Ruby by Tim Fletcher, with changes suggested by Dan Kubb.
# #

akshay-vishnoi

# Login as root
ssh root@domain

# Create deploy user
adduser <username> #Adds User with username given. Enter Password when Prompted. Other Details are Optional
# Add user to sudo group
usermod -g <groupname> <username>

# Add .ssh/authorized_keys for deploy user

akshay-vishnoi

# RSpec matcher to spec delegations, taken from gist at
# https://gist.github.com/joeytheman/0fe021821e4c62f552ce
#
# Usage:
#
#     describe Post do
#       it { should delegate(:name).to(:author).with_prefix } # post.author_name
#       it { should delegate(:name).to(:author).with_prefix(:any) } # post.any_name
#       it { should delegate(:month).to(:created_at) }
#       it { should delegate(:year).to(:created_at) }

akshay-vishnoi

require 'benchmark/ips'

def old_many?(enum)
  cnt = 0
  enum.any? { (cnt += 1) > 1 }
end

def new_many?(enum)
  enum.count > 1
end

akshay-vishnoi

require 'active_model'

class Account
  include ActiveModel::Model

  attr_accessor :subdomain, :subdomain1, :subdomain2, :subdomain3, :size, :size1, :size2, :size3
  validates :subdomain, exclusion: { in: %w(www us ca jp) }
  validates :subdomain1, exclusion: { in: %w(www us ca jp), message: "is reserverd" }
  validates :subdomain2, exclusion: { in: %w(www us ca jp), message: "%{value} is reserverd" }
  validates :subdomain3, exclusion: { in: %w(www us ca jp), message: "Subdomain %{value} is reserverd" }

akshay-vishnoi

# ruby 2.0.0-p247
require 'benchmark'

def old_method(&block)
  yield
end

def new_method
  yield
end

akshay-vishnoi

require 'benchmark'
def old_method(a)
  return 'abc' unless a == true || a == false
  a ? 1 : 0
end

def new_method(a)
  case a
  when TrueClass
    1

akshay-vishnoi

require 'benchmark'

def check?(a, value)
  Array(a).include? value
end

a = (1..100).to_a
value = 500
disabled = true
html_attributes = {}