HunnyJummani

## Instance Eval
array_second = <<-RUBY
def second
  self[1]
end
RUBY

a = [1, 2, 3]
a.instance_eval(array_second)

HunnyJummani

    $('#save-continue-bolt-checkout').click(function(){
      debugger;
      var RequestData = {
        key: MERCHANT_KEY,
        txnid: ORDER_ID,
        hash: REQUEST_HASH,
        amount: ORDER_TOTAL,
        firstname: FIRST_NAME,
        email: EMAIL,
        phone: PHONE_NUMBER,

HunnyJummani

#Example: Pure-Object-Oriented

## returns String as class
"Hello".class

## returns Integer as class
12.class

#Example: Dynamically typed
## Print 1 - 5 on terminal.

HunnyJummani

# Here Devise model is your User model.

class DeviseModel < ActiveRecord::Base
  attr_accessor :login
  
  def login
    @login || self.username || self.email
  end
  
  def email_required?

HunnyJummani

class ApplicationController < ActionController::Base
  before_action :configure_permitted_parameters, if: :devise_controller?
  
  protected
  
  def configure_permitted_parameters
    added_attrs = [:username, :email, :password, :password_confirmation, :remember_me]
    devise_parameter_sanitizer.permit :sign_up, keys: added_attrs
    devise_parameter_sanitizer.permit :account_update, keys: added_attrs
  end

HunnyJummani

require 'send_otp'

class Otp
  # You can configure it in credentials/secrets as per your requirement and initialize both here.
  AUTH_KEY = MSG_91_AUTH_KEY_HERE
  SENDER_ID = MSG_91_SENDER_ID_HERE

  attr_accessor :phone_no, :sendotp

  def initialize(phone_no)

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# client => Any Google API client
# refresh_token as token in params is mandatory.
uri = URI('https://accounts.google.com/o/oauth2/revoke')
params = { token: client.refresh_token }
uri.query = URI.encode_www_form(params)
response = Net::HTTP.get(uri)
# will get a {} if access is revoked and errors if any.
result = JSON.parse(response)

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# id => unique identifier for channel ie UUID
# resource_id => unique indentifier for a resource to be watched.
calendar.stop_channel(
  Google::Apis::CalendarV3::Channel.new(
    id: channel_id,
    resource_id: resource_id
  )
)

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# id => unique identifier for a channel so use UUID as recommended by GOOGLE CALENDAR API
# type => set to web_hook
# address => webhook callback URL to receive notifications.
# callback_url => POST request to receive notifications in the web app.
# token(optional) => arbitrary string value used as channel token.
channel = Google::Apis::CalendarV3::Channel.new(
  id: uuid,
  type: 'web_hook',
  address: callback_url(host: YOUR_HOST),
  token: { user_id: user_id }.to_json

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# Install chromium-browser and firefox
sudo apt install -q -y chromium-browser firefox

# ChromeDriver:
cd /tmp && wget https://chromedriver.storage.googleapis.com/2.44/chromedriver_linux64.zip
sudo unzip chromedriver_linux64.zip -d /usr/local/bin
rm -f chromedriver_linux64.zip


# Firefox Drivers: