Dan Cederholm Books

CSS3 for web designers

By Dan Cederholm

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Sass for web designers

By Dan Cederholm

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Let's face it: CSS is hard. Our stylesheets are more complex than they used to be, and we're bending the spec to do as much as it can. Can Sass help? A reluctant convert to Sass, Dan Cederholm shar...

Sass for web designers

By Dan Cederholm

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Bulletproof Web Design: Improving flexibility and protecting against worst-case scenarios with XHTML and CSS

By Dan Cederholm

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Bulletproof Web Design: Improving flexibility and protecting against worst-case scenarios with XHTML and CSS

By Dan Cederholm

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Bulletproof Web Design: Improving flexibility and protecting against worst-case scenarios with HTML5 and CSS3

By Dan Cederholm

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Web Standards Solutions

By Dan Cederholm

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Sass For Web Designers

By Dan Cederholm

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Sass for web designers

By Dan Cederholm

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Bonnes pratiques des standards du Web

By Dan Cederholm

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Cet ouvrage explique comment bien utiliser les standards du Web, HTML, XHTML, CSS, pour créer des sites performants, accessibles et compatibles.

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.