regonn

# 実行前に下の設定が必要です
# $ rbenv exec gem install heroku-api
# $ export HEROKU_API_KEY=your_heroku_api_key
require 'heroku-api'

heroku = Heroku::API.new
apps = heroku.get_apps.body
apps.each do |app|
  puts app['name']
  collaborators = heroku.get_collaborators(app['name']).body

regonn

<figure>
    <img src="/img/photo.jpg">
    <figcaption>Lorem ipsum dolor sit amet</figcaption>
</figure>

regonn

figure {
    display: table;
    width: 160px; /* minimum width */
    *width: auto; /* for IE7 and below */
}

regonn

- var height = 300
- if (i % 3 == 1)
  - height = 400
- if (i % 3 == 2)
  - height = 500
- height = 300

regonn

Sample::Application.routes.draw do
  resources :items
end

regonn

   Prefix Verb   URI Pattern               Controller#Action
    items GET    /items(.:format)          items#index
          POST   /items(.:format)          items#create
 new_item GET    /items/new(.:format)      items#new
edit_item GET    /items/:id/edit(.:format) items#edit
     item GET    /items/:id(.:format)      items#show
          PATCH  /items/:id(.:format)      items#update
          PUT    /items/:id(.:format)      items#update
          DELETE /items/:id(.:format)      items#destroy

regonn

class ItemsController < ApplicationController
  before_action :set_item, only: [:show, :edit, :update, :destroy]

  def index
    @items = Item.all
  end

  def show
  end

regonn

class CreateItems < ActiveRecord::Migration
  def change
    create_table :items do |t|
      t.string :name
      t.integer :price
      t.text :description

      t.timestamps
    end
  end

regonn

<h1>Listing items</h1>

<table>
  <thead>
    <tr>
      <th>Name</th>
      <th>Price</th>
      <th>Description</th>
      <th></th>
      <th></th>

regonn

json.array!(@items) do |item|
  json.extract! item, :name, :price, :description
  json.url item_url(item, format: :json)
end