public function run()
 {
     Question::truncate();
     $faker = Faker\Factory::create();
     $authorIds = User::lists('id');
     for ($i = 0; $i < 10; $i++) {
         Question::create(['desc' => $faker->sentence, 'type' => $faker->word, 'status' => $faker->randomElement(array(0, 1)), 'author_id' => $faker->randomElement($authorIds)]);
     }
 }