Nuevo mini-manual de Pragmatic Programmers, en su serie Pragmatic Fridays, libros descargables en PDF, de pocas páginas, a poco precio, sobre un tema muy concreto:
Payment Processing with Paypal and Ruby
- Introduction
- Where This Information Comes From
- What to Expect
- Acknowledgements
- An Informed Decision
- Why PayPal?
- Which Option?
- Authorize or Capture?
- Summary
- Types of Transactions
- Shopping Carts
- Buy Now and Donation Buttons
- Subscriptions
- Sandbox Setup
- Business Account
- Creating a User Account
- Get An Example Payment To Work
- Other Profile Settings
- Review
- Website Payments Standard
- Standard Option Detailed Overview
- Web Pages to Handle the Response
- Getting the Response
- Website Payments Pro
- Direct Payments
- The Simplest Thing That Works
- Direct Payments: Process a Payment
- Express Checkout: Process a Payment
- Payment Notifications/Data Transfer
- Order Notification
- Payment Data Transfer
- Instant Payment Notification
- Alternate Payment Options
- Email Payments
- Advanced Topics
- Paypal Tools
- Resources