we4tech

def say_hi_to(block)
  puts "Say hi #{block.call}"
end

say_hi_to Proc.new { "hasan" }

#=> Say hi hasan

we4tech

l = lambda { |a, b| ... }
l.call('A')
#=> Error need to pass 2 arguments

we4tech

def whats_your_name?
  l = Proc.new { return "Karim" }
  l.call
  return "Rahim"
end

#=> "Karim"

we4tech

def hola
  puts 'hola'
end

def say_hola(block)
  block.call
end

say_hola method(:hola)

we4tech

# Export collection name and their properties list in HTML format. 

require 'mongo'

include Mongo

# Connect with mongodb server
client = MongoClient.new('localhost', 27017)

# Load database

we4tech

#!/bin/bash

echo "---------------------------------------"
echo "  Welcome to Quick Schema Importer     "
echo "---------------------------------------"

ROOT=$PWD

CONF=""

we4tech

class ThreadPool
    attr_accessor :size, :pool

    def logger
      BeatDeckMachine::logger
    end

    def initialize(size)
      @size = size
      @jobs = Queue.new

we4tech

# Twitter Client with control loop, If any too many requests error raised. 
# It'll sleep for a certain time period and will wake up and continue from last batch.
# 
# This is an addition to Twitter::Client 'gem twitter'
module BeatDeckMachine::Scrapers::OAuth::TwitterClientPatch

  MAX_ATTEMPTS = 20

  extend ActiveSupport::Concern

we4tech

class OrderService

  class << self
    def find_or_create_purchase_for_order(order, credit_card_id, shipping_fee = 0.0)
      user, vendor = order.buyer, order.seller
      purchase     = Purchase.find_by_user_id_and_order_id(user.id, order.id)

      return purchase if purchase.present?
      create_purchase order, credit_card_id, shipping_fee
    end

we4tech

module AmericanStyle
  extend ActiveSupport::Concern
  
  included do
    has_many :american_ingredients
  end
  
  module ClassMethods
    def macaroni_cheese; ... end
  end