ruby

class ApplicationController < ActionController::Base
  before_action :set_turbo_cache_control

  class_attribute :turbo_no_cache, default: false

  def self.no_turbo_cache

<div class="settings-layout">
  <nav class="settings-sidebar">
    <h2>Settings</h2>
    <ul>
      <% settings_sections.each do |section| %>
        <li class="<%= "active" if current_page?(section.path) %>">

Rails.application.config.filter_parameters += [
  :password,
  :password_confirmation,
  :token,
  :authorization,
  :ssn,

require 'sinatra/base'
require_relative 'upload_store'

class UploadApp < Sinatra::Base
  MAX_BYTES = 50 * 1024 * 1024

class DeliveryObserver
  def self.delivered_email(message)
    new(message).record
  end

  def initialize(message)

require 'ipaddr'
require 'resolv'

uri = URI.parse(params[:url])
allowed_hosts = %w[images.example-cdn.com api.partner.com]

class PriceBreakdown < Struct.new(:subtotal_cents, :discount_cents, :tax_cents, keyword_init: true)
  def initialize(*)
    super
    freeze
  end

class LastSeenTracker
  THROTTLE = 5.minutes
  PENDING_KEY = "pending:last_seen".freeze

  class << self
    def touch(user_id, at: Time.current)

class CreateReservations < ActiveRecord::Migration[7.1]
  def up
    enable_extension "btree_gist" unless extension_enabled?("btree_gist")

    create_table :reservations do |t|
      t.references :room, null: false, foreign_key: true

# Basic exception handling
begin
  result = 10 / 0
rescue ZeroDivisionError => e
  puts "Error: #{e.message}"
  result = nil

class CommentsController < ApplicationController
  before_action :set_post

  def create
    @comment = @post.comments.build(comment_params)

import { StreamActions } from "@hotwired/turbo"

StreamActions.flash = function () {
  const container = document.getElementById("flashes")
  if (!container) return