Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Learn how to integrate Single Sign-On (SSO) into your applications with this comprehensive developer guide. Includes code examples, flow diagrams, and best practices for secure authentication.

The first preview of Visual Studio 2022 17.6 boosts GitHub integration and also sees AI-assisted IntelliCode instantly offering up real-world API code examples -- no more context switching required.