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Exactly how does the "cascade" in Cascading Style Sheets work? This concise guide demonstrates the power and simplicity of CSS selectors for applying style rules to different web page elements. You’ll learn how your page’s presentation depends on a multitude of style rules and the complex ways they function—and sometimes collide—within the document’s structure. This guide is a chapter from the upcoming fourth edition of CSS: The Definitive Guide. When you purchase either the print or the ebook edition of Selectors, Specificity, and the Cascade, you’ll receive a significant discount on the entire Definitive Guide when it’s released. Why wait when you can learn how to use selectors and other key CSS 3 features right away? Learn how to create CSS rules that apply to a large number of similar elements Group rules to make style sheets smaller and download times faster Understand how elements inherit styles from their parents Discover how reader and browser preferences affect your page presentation Examine specificity—the method browsers use to choose between two conflicting style rules Get a handle on how specificity and inheritance combine to form the cascade Get details on all of the CSS3 selectors
Considers legislation to require the installation of an automatic radio-telegraph call selector on all U.S. cargo ships carrying fewer than two radio operators.
Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. Instant jQuery Selectors follows a simple how-to format with recipes aimed at making you well versed with the wide range of selectors that jQuery has to offer through a myriad of examples.Instant jQuery Selectors is for web developers who want to delve into jQuery from its very starting point: selectors. Even if you're already familiar with the framework and its selectors, you could find several tips and tricks that you aren't aware of, especially about performance and how jQuery acts behind the scenes.
Though the search for good selectors dates back to the early twentieth century, selectors play an increasingly important role in current research. This book is the first to assemble the scattered literature into a coherent and elegant presentation of what is known and proven about selectors--and what remains to be found. The authors focus on selection theorems that are related to the axiom of choice, particularly selectors of small Borel or Baire classes. After examining some of the relevant work of Michael and Kuratowski & Ryll-Nardzewski and presenting background material, the text constructs selectors obtained as limits of functions that are constant on the sets of certain partitions of metric spaces. These include selection theorems for maximal monotone maps, for the subdifferential of a continuous convex function, and for some geometrically defined maps, namely attainment and nearest-point maps. Assuming only a basic background in analysis and topology, this book is ideal for graduate students and researchers who wish to expand their general knowledge of selectors, as well as for those who seek the latest results.
In this book "CSS Selectors and Specificity" we will learn about the different types of selectors, from simple element selectors to advanced attribute selectors and pseudo-classes. We will understand how specificity and cascading work and how to write CSS rules that deliver predictable and desired results.
Capitalizing on the by now widely accepted idea of the construction-specific and language-specific nature of grammatical relations, the editors of the volume developed a modern framework for systematically capturing all sorts of variations in grammatical relations. The central concepts of this framework are the notions of argument role and its referential properties, argument selector, as well as various conditions on argument selections. The contributors of the volume applied this framework in their descriptions of grammatical relations in individual languages and discussed its limitations and advantages. This resulted in a coherent description of grammatical relations in thirteen genealogically and geographically diverse languages based on original and extensive fieldwork on under-described languages. The volume presents a far more detailed picture of the diversity of argument selectors and effects of predicates, referential properties of arguments, as well as of various clausal conditions on grammatical relations than previously published grammatical descriptions.