prayuditb

class DeckOfCard {
    constructor(){
        // fill the cards
        this.cards = [];
        this.shuffled = [];
        let card_type = ['HEART','DIAMOND','CLUB','SPADE'];
        let card_number = ['ACE',2,3,4,5,6,7,8,9,10,'JACK','QUEEN','KING'];
        card_type.map(type => card_number.map(number => 
            this.cards.push({ type, number })

prayuditb

create table "user" (
  id serial primary key,
  first_name varchar(50) not null,
  last_name varchar(50)
);

create table "ride" (
  id serial primary key,
  from_city_name varchar(100) not null,
  to_city_name varchar(100) not null,