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rpush - https://github.com/rpush/rpush

Follow the steps in rpush to add the gem to your rails project

PushNotificationDevice

rails g model PushNotificationDevice device_type:integer:index device_token:string

class CreatePushNotificationDevices < ActiveRecord::Migration

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sudo -u postgres psql postgres
\password postgres
\q
pg_hba.cong -> peer-> md5

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#SOLID Principles with ruby examples

##SRP - Single responsibility principle A class should have only a single responsibility.

Every class should have a single responsibility, and that responsibility should be entirely encapsulated. All its services should be narrowly aligned with that responsibility, this embrace the high cohesion.

##OCP - Open/closed principle Software entities should be open for extension, but closed for modification.

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VCR.configure do |c|
  c.cassette_library_dir = 'spec/fixtures/vcr_cassettes'
  c.hook_into :webmock
  c.ignore_localhost = true
  c.default_cassette_options = { record: :new_episodes }
  c.allow_http_connections_when_no_cassette = false
  c.configure_rspec_metadata!

  c.ignore_hosts 'codeclimate.com'

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require 'rspec'
require 'prime'

class SocChallenge
  def self.call(*args)
    new(*args)
  end

  def initialize(number)
    @number = number

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.

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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# 1) Use VCR.use_cassette in your let block. This will use
# the cassette just for requests made by creating bar, not
# for anything else in your test.
let(:foo) { VCR.use_cassette("foo") { create(:bar) } }
it "uses foo" do
  foo
end

# 2) Wrap the it block that uses #foo in VCR.use_cassette.

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require 'rails_helper'

RSpec.describe TodosController, :type => :controller do

  context "GET index" do
  #context "POST create" do
  #context "GET show" do
  #context "PATCH update" do (or PUT update)
  #context "DELETE destroy" do
  #context "GET new" do