sonianand11

class Post < ActiveRecord::Base
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :post
end

post = Post.first

sonianand11

@result = []
def flatten_it(array)
  array.each do |element|
    element.is_a?(Array) ? flatten_it(element) : @result << element
  end
end

flatten_it([[1,2,[3]],4])
puts @result

sonianand11

#View Original : https://github.com/plataformatec/devise/blob/master/app/controllers/devise/sessions_controller.rb
class Users::SessionsController < Devise::SessionsController
  
  respond_to :json

  # POST /resource/sign_in
  def create
    self.resource = warden.authenticate!(auth_options)
    set_flash_message(:notice, :signed_in) if is_flashing_format?
    sign_in(resource_name, resource)

sonianand11

#View original : https://github.com/plataformatec/devise/blob/master/app/controllers/devise/registrations_controller.rb

class Users::RegistrationsController < Devise::RegistrationsController

  respond_to :json

  # POST /resource
   def create    
    build_resource(sign_up_params)

sonianand11

1) ActiveModel validation in rails server side :

class MyObject < ActiveRecord::Base
  validates :state, :presence => true
  validates :other_state, :presence => true, if: state.persent?
end

2) Lets say we have drop down with following state : 

<select id="stateDropdown" name="state">

sonianand11

#! /bin/sh

### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon

sonianand11

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    passenger_root /path/to/.rvm/gems/ruby-2.3.0/gems/passenger-5.0.24;
    passenger_ruby /path/to/.rvm/gems/ruby-2.3.0/wrappers/ruby;
    include       mime.types;

sonianand11

package com.healthseva.widget;

import com.healthseva.R;
import com.healthseva.services.RandomTipService;
import com.healthseva.utility.ServiceUtility;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;

sonianand11

class Foo
  def initialize(thing)
    @thing = thing
  end

  def test_me
    if @thing.big?
      'Big!'
    else
      'Small!'

sonianand11

<script>

$(document).ready(function(){


      var startRecording = document.getElementById('start-recording');
      var stopRecording = document.getElementById('stop-recording');
      var uploadRecordingBtn = document.getElementById('upload-recording');
      var cameraPreview = document.getElementById('camera-preview');