Armstrong, Tom. Books

Atl Developer'S Guide

By Ron Patton, Armstrong, Tom., Tom Armstrong, Tom Armstrong, With Ron Patton

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Tom Armstrong, keeper of Widgetware.com, the most popular Web site about COM and ActiveX tools, provides focused, comprehensive coverage of the Active Template Library and tons of examples. This up...

Designing And Using ActiveX Controls

By Tom Armstrong, Armstrong, Tom.

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Learn how to incorporate, create, and customize ActiveX controls with Designing and Using ActiveX Controls. The book covers the fundamentals of Microsoft's Component Object Model, the Microsoft Fou...

Active Template Library : A Developer'S Guide

By Tom Armstrong, Armstrong, Tom.

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The Active Template Library -- fast, flexible, and reusable -- is quickly replacing the aging Microsoft Foundation Class for programmers developing distributed applications anywhere in a networking...

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.