David Heffelfinger Books

Java EE 5 Development Using GlassFish Application Server

By David Heffelfinger, David R Heffelfinger, Mitesh Desai, Dan Renfroe, 49.99

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In DetailGlassFish is a free, open-source Java EE 5-compliant application server that is quickly gaining massive popularity.This book explains GlassFish installation and configuration, and then mov...

JasperReports For Java Developers: Create, Design, Format And Export Reports With The World'S Most Popular Java Reporting Library

By David Heffelfinger, David R Heffelfinger

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"JasperReports is the world's most popular embeddable Java open source reporting library, providing Java developers with the power to easily create rich print and web reports. This book shows you e...

Java EE 5 Development With NetBeans 6

By David Heffelfinger, David Salter, David R Heffelfinger, David R. Heffelfinger, Bhupali Khule, Mario Perez Maduno

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In DetailJava EE, the successor to J2EE, greatly simplifies the development of enterprise applications. The popular IDE, NetBeans, has several features that greatly simplify Java EE development, an...

JasperReports 3.5 For Java Developers

By David Heffelfinger, David R Heffelfinger

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In DetailDo you want to create easily understood, professional, and powerful reports from disordered, scattered data using a free, open source Java class library? If your answer is yes, this book o...

Java EE 6 With GlassFish 3 Application Server

By David Heffelfinger, David R Heffelfinger

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In DetailGlassFish is a free, open source, production ready application server. It is the environment's reference implementation and the first Enterprise Java server to implement Java EE6. Although...

Java EE 6 With GlassFish 3 Application Server

By David Heffelfinger, David R Heffelfinger

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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.