Timothy Koets Books

Visual Basic 4: Performance Tuning And Optimization

By Keith Brophy, Timothy Koets

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Teach Yourself Vbscript In 21 Days

By Keith Brophy, Timothy Koets, Keith Brophy, Timothy Koets

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Readers learn how to use VB Script to create living, interactive Web pages. This unique scripting language from Microsoft is taught with clarity and precision, providing the reader with the best an...

Vbscript Unleashed

By Keith Brophy, Brian Johnson, Paul Lagasse, Evangelos Petroutsos, Timothy Koets, Craig Eddy, Bill Schongar, Owen Graupman

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With VBScript Unleashed, Web programming techniques are presented in a logical and easy-to-follow sequence that helps you understand the principles involved in developing programs. You will begin w...

Teach Yourself Activex Control Programming With Visual Basic 5 In 21 Days

By Keith Brophy, Timothy Koets

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Explore the property, method, and event paradigm for ActiveX controls; develop customized components for your applications; develop controls using property sheets; make your development effective w...

Aprendiendo VBScript En 21 Dias

By Keith Brophy, Timothy Koets

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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.