Ray Lai Books

J2EE Platform Web Services
J2EE Platform Web Services

By Ray Lai

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"This is the definitive practitioner's guide to building enterprise-class J2EE Web Services that integrate with any B2B application and interoperate with any legacy system. Sun senior architect Ray...

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Java EE and .NET Interoperability: Integration Strategies, Patterns, and Best Practices
Sigil v. 1
Sigil v. 1

By Barbara Kesel, Ray Lai, Ben Lai

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Java EE and . NET Interoperability
Core Security Patterns: Best Practices and Strategies for J2EE, Web Services, and Identity Management

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If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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