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#!/bin/ruby --verion => 2.0.0-p353

Self

In Ruby, self is a special variable that always references the current object.

• Inside class or module definition, self refer to the Class or Module object.
• Inside instance method, self refer to future instance object.
• Inside class method, self refer to the class.i

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# app/controllers/concerns/exception_handler.rb

module ExceptionHandler
  extend ActiveSupport::Concern

  class MissingToken  < StandardError; end
  class InvalidToken < StandardError; end
  class AuthenticationError < StandardError; end

  included do

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# https://ruby-doc.org/core-2.5.0/Exception.html

- NoMemoryError
- ScriptError
    - LoadError
    - NotImplementedError
    - SyntaxError
- SecurityError
- SignalException
    - Interrupt

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```# The Context defines the interface of interest to clients.
class Context
  # The Context maintains a reference to one of the Strategy objects. The
  # Context does not know the concrete class of a strategy. It should work with
  # all strategies via the Strategy interface.
  attr_writer :strategy

  # Usually, the Context accepts a strategy through the constructor, but also
  # provides a setter to change it at runtime.
  def initialize(strategy)

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PATH=/bin:/usr/bin:/sbin:/usr/sbin

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require 'logger'

class FetchContentAdDomainsWorker
  include Sidekiq::Worker
  extend IntegrationsWrapper

  URL = 'https://rest.content.ad/reports/publisher?output=json'.freeze

  sidekiq_options retry: 3, queue: :integrations, backtrace: true
  wrap_over :network_setting, :content_ad

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var docWidth = document.documentElement.offsetWidth;

[].forEach.call(
  document.querySelectorAll('*'),
  function(el) {
    if (el.offsetWidth > docWidth) {
      console.log(el);
    }
  }
);

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# frozen_string_literal: true

# Abstract service class
class AbstractService
  class << self
    def call(*args, &block)
      new(*args, &block).call
    end
  end

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Status Code	Status Message	Symbol
1xx Informational
100	Continue	:continue
101	Switching Protocols	:switching_protocols
102	Processing	:processing
 
2xx Success
200	OK	:ok
201	Created	:created
202	Accepted	:accepted

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ARG RUBY_VERSION
 # See explanation below
 FROM ruby:$RUBY_VERSION-slim-buster

 ARG PG_MAJOR
 ARG NODE_MAJOR
 ARG BUNDLER_VERSION
 ARG YARN_VERSION

 # Common dependencies