Shinya-T

t = Total.new
t.add(shinya, "test")
t.add(shinji, "test")
t.add(shinnosuke, "test")
t.add(shintaro, "test")


t.count

Shinya-T

require 'mongo'

class total

  def initialize
    db = URI.parse(ENV['MONGOHQ_URL'])
    db_name = db.path.gsub(/^\//, '')
    @mongo = Mongo::Connection.new(db.host, db.port).db(db_name)
    @mongo.authenticate(db.user, db.password) unless (db.user.nil? || db.user.nil?)
    

Shinya-T

public class Test {

	public static void main(String[] args) {

			Calc c = new Calc();
			c.calc(任意の数字, 0);
			System.out.println(c.cnt);
		}

	}

Shinya-T

class Calc {

	public int cnt = 0;

	public void calc(int n, int m) {
		cnt++;
		if (m > n)
			return;
		for (int i = 0; i < n; i++) {
			calc(n, m + 1);

Shinya-T

json.extract! @user, :id, :name, :password, :created_at, :updated_at

Shinya-T

<p id="notice"><%= notice %></p>

<p>
  <strong>Name:</strong>
  <%= @user.name %>
</p>

<p>
  <strong>Password:</strong>
  <%= @user.password %>

Shinya-T

class UsersController < ApplicationController
  before_action :set_user, only: [:show, :edit, :update, :destroy]

  # GET /users
  # GET /users.json
  def index
    @users = User.all
  end

  # GET /users/1