coding_masterjii

  first Add gem  this gem  gem 'sidekiq' gem 'sidekiq-status' gem 'sidekiq-cron' than create in the  worker file like s ubscription_worker.rb   require 'sidekiq-status' class SubscriptionWorker include Sidekiq :: Worker include Sidekiq :: Status :: Worker def perform puts "hi-------"      # Subscription.all.each do |subscription| # if subscription.present? && subscription.expire_date.between?(Date.today, Date.today + 1.week) # send_push_notification(subscription.user_id, "your subscription will expired on #{subscription.expire_date}", "subscription reach end date notification") # end # end end def send_push_notification ( user_id , message , title ) user = User .find(user_id) PushNotification .notification( user, message, title ) end end than change the code in config/initializers/sidekiq.rb require 'sidekiq' require 'sidekiq-status...

 Ruby Variable  Ruby have a four type variable - 1. Local Variable 2. Instance Variable 3. Class Variable 4. Global Variable 1. Local variable                                        A Local variable name  start with  lowercase letter(a-z) or underscore (_)  .  Local variables are not available outside the methods. There is no need to initialize the local variables . Example    age = 21 _Age = 22 2. Instance variable                                                    An instance variable name starts with a @ sign. It belongs to one instance of the class and can be accessed from any instance of the class within a method. They only have limited access to a particular instance of a class.  There is no need t...

Ruby string Methods Explained A  string  is a sequence of one or more characters that may consist of letters, numbers, or symbols. Strings in Ruby   are objects, and unlike other languages, strings are  mutable , which means they can be changed in place instead of creating new strings.  Strings in Ruby by default are mutable and can be changed in place or a new string can be returned from a method. .length length  is a String class method in Ruby which is used to find the character length of the given string. "Hello".length =>5 .Empty It is a String class method in Ruby which is used to check whether the string length is zero or not. "hello".empty =>false "!".empty =>false " ".empty =>false "".empty =>true .Concatenation class This is use to concatenate two strings together.It is define +  symbol. "Hello " + "how are you?" Output:=>"Hello how are you?" .count I n this...

  Arrays What is an Array? An  array  is an ordered list of elements that can be of any type. You can define an array by placing a list of elements between brackets like so: Most Common Ruby Array Methods  You Should Know Common Array Methods A new array can be created by using the literal constructor [] . Arrays can contain different types of objects. For example, the array below contains an  Integer , a  String  and a Float:  Our array will be as follows: array = [ 1,2 , 3,4,5 ] .length The .length method is used to the number of elements in your array and returns the count: array.length #=>array -> [1,2,3,4,5] =>5 .first The .first method accesses the first element of the given array and the element start at index of  0: array.first #=>array -> [1,2,3,4,5] =>1 .last The .last method accesses the last element of the given array: array.last #=>array -> [1,2,3,4,5] =>5 .take The .take method returns th...