ruby

class CreateStripeEvents < ActiveRecord::Migration[7.1]
  def change
    create_table :stripe_events do |t|
      t.string :stripe_event_id, null: false
      t.string :event_type, null: false
      t.string :status, null: false, default: "received"

import { Controller } from "@hotwired/stimulus"

export default class extends Controller {
  static targets = ["checkbox", "selectAll", "count", "submit"]
  static values = { selectedIds: Array }

class AddConstraintsToUsers < ActiveRecord::Migration[6.1]
  def change
    # Null constraints
    change_column_null :users, :email, false
    change_column_null :users, :username, false

class RevenueStat
  DEFAULT_RANGE = 30.days

  def initialize(account, range: DEFAULT_RANGE)
    @account = account
    @range = range

class OnboardingForm
  include ActiveModel::Model
  include ActiveModel::Attributes

  STEPS = %i[account profile preferences].freeze

require "sidekiq/api"

class QueueDepthGuard
  class QueueSaturated < StandardError
    attr_reader :queue, :depth

<div class="search-page">
  <div class="search-header mb-6">
    <h1 class="text-2xl font-bold mb-4">Search Posts</h1>

    <%= form_with url: posts_path,
        method: :get,

# Basic Ractor usage
ractor = Ractor.new do
  # This runs in parallel, isolated from main thread
  result = heavy_computation
  result
end

class SignupsController < ApplicationController
  def new
    @user = User.new
  end

  def create

class FeatureFlag < ApplicationRecord
  validates :key, presence: true, uniqueness: true
  validates :percentage,
            numericality: { only_integer: true,
                            greater_than_or_equal_to: 0,
                            less_than_or_equal_to: 100 }

class Comment < ApplicationRecord
  belongs_to :commentable, polymorphic: true
  belongs_to :author, class_name: "User"

  scope :visible, -> { where(deleted_at: nil).order(:created_at) }

class Comment < ApplicationRecord
  belongs_to :account
  belongs_to :author, class_name: "User"

  validates :body, presence: true