vigram

=begin

 Time difference (duration) in year, quarter, month, bi-week, week and day.
 
 Usages:
   TimeDifference.between(start_date, end_date).in_months
   TimeDifference.between(start_date, end_date).in_years
   
=end

vigram

client-side:
~~~~~~~~~~~

require 'socket'
hostname = 'localhost'
port = 2000
s = TCPSocket.open(hostname, port)
while line = s.gets
 puts line.chop
end

vigram

# Usage: bundle exec rake sidekiq:restart RAILS_ENV=<environment name>

namespace :sidekiq do
  sidekiq_pid_file = Rails.root+'tmp/pids/sidekiq.pid'

  desc "Sidekiq stop"
  task :stop do
    puts "#### Trying to stop Sidekiq Now !!! ####"
    if File.exist?(sidekiq_pid_file)
      puts "Stopping sidekiq now #PID-#{File.readlines(sidekiq_pid_file).first}..."

vigram

=begin

 Author: Vigram K
 Date: 27th August 2014
 Title: Extension for Date & DateTime classes
 
 Adds following methods for date object,

 first_monday_of_month, first_tuesday_of_month .. first_sunday_of_month
 last_monday_of_month, last_tuesday_of_month .. last_sunday_of_month

vigram

module DateFormatter
   def self.included(base)
     date_columns = base.columns.select{|column| ["date","datetime"].include?(column.sql_type) }
     date_columns.map(&:name).reject{|col_name| ["created_at", "updated_at"].include?(col_name)}.each{|column|

       base.class_eval do
           define_method column do
             read_attribute(column.to_sym).custom_format
           end

vigram

module SingletonPattern
  def self.included(base)
   base.class_eval do
  
    @@instance = base.class.new
  
     def instance
      @@instance
     end
   

vigram

class LinkedList
  attr_accessor :list

  def initialize
    @list = []
  end
  
  def add_node(data)
    node = Struct.new(:data, :next)
    new_node = node.new(data, nil)