David Shirey Books

21st Century RPG: /Free, ILE, And MVC

Average: 0.00, 0 Ratings

Ibm I Professionals Are Known For Their Dedication To Ibm’s Midrange Computing Platform. But While Ibm’s Technology Has Evolved, Not All Ibm I Programmers’ Skills Have Kept Pace. If You Are Part Of...

Louise Nevelson: Celebration-Deluxe

By Barbaralee Diamonstein, David Shirey

Average: 0.00, 0 Ratings

Rare Confidence: Strategies And Inspiration To Strengthen Your Belief That You Can Achieve Anything!

By David Shirey, Shirey, David Doc

Average: 0.00, 0 Ratings

21st Century RPG: /Free, ILE, And MVC

By David Shirey

Average: 0.00, 0 Ratings

This guide teaches programmers who have been left behind in the IBM i's evolution to code more productively and modernize their business applications. Shirey uses a casual, humorous teaching style...

21st Century RPG: /Free, ILE, And MVC

By David Shirey

Average: 0.00, 0 Ratings

This guide teaches programmers who have been left behind in the IBM i's evolution to code more productively and modernize their business applications. Shirey uses a casual, humorous teaching style...

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.