Top "W3c" questions

The package org.w3c.dom is accessible from more than one module: <unnamed>, java.xml

I am unable to import org.w3c.dom.NodeList package to Eclipse. It is showing The package org.w3…

java eclipse dom w3c java-12

Use of <picture> inside <figure> element in HTML5?

In HTML5 we currently have a <figure> element, defined like so (W3C reference) The figure element represents …

image html responsive-design w3c

Does the handling of hidden form controls in HTML5 make sense?

HTML5 added in the ability to better define client-side validation in forms without needing to use JavaScript. The concept already …

html forms webkit w3c

Is it necessary to add cellspacing="0" cellpadding="0" in <table>?

Eric meyer reset css is suggesting "tables still need 'cellspacing="0"' in the markup". Is it necessary? and what is …

html xhtml w3c

Using cm/mm on the CSS of a web app that replicates paper interaction is a good practice?

I am building a web application that interact with documents for later printing. In some points is similar to Google …

html css w3c

What can service workers do that web workers cannot?

What can service workers do that web workers cannot? Or vice versa? It seems that web workers are a subset …

javascript html service-worker web-worker w3c

When to use <br> line breaks vs CSS positioning?

I've often wondered about the proper use of a <br> line break. Seems that often they are incorrectly …

html css w3c semantics semantic-markup

is form enctype "application/json" available?

I was reading this w3c document about post JSON data with html form, and trying to test it. my …

html json forms post w3c

generic foreach iteration of NamedNodeMap

In Java, looking at the NamedNodeMap interface, how do you iterate it with generics? It seems to use Node rather …

java xml iteration generics w3c

Why does the W3C advise wrapping input elements in <p> tags?

I've seen a lot of examples on the web where forms are laid out like so: <form> <…

html forms w3c semantic-markup