w3c

is there any css validator with CSS3 and vendor specific extensions support? I only want to see problem other than CSS 3 and vendor specific extensions related errors. And is there any better xhtml css validator than W3C's? GlenCrawford You can select "CSS Level 3" in the More options>Profile section of the W3C CSS Validator . Although this won't help with the vendor-specific errors. It looks like there is no intention to support these in the W3C validator . The W3C Validator unfortunately goes crazy over CSS3. This one may work for you CSS3 Validator 来源： https://stackoverflow.com/questions

To validate input date, both form URL or from a form, which technique do you usually use? I have been looking at PHP Filters but i have rarely see them on any code. I have usually seen the use of preg_mach, for example: $numbers = "/^[0-9]+$/D"; if (preg_match($numbers, $var)){ echo "is number"; } Instead of: if(!filter_var($var, FILTER_VALIDATE_INT)) echo "is number"; } Is there any advantage using one or another? Thanks! Php introduced the filer_ functionality for a wide range of types of variable validation since php 5.2. It's good practice to use the filter_var || filter_input for your

Is there a validator specifically for XHTML 5, i.e. the XML serialization of HTML 5? The W3C validator supports the document types: HTML 5 (experimental) : which treats as valid various features that are not allowed in XML, such as implicitly closed <br> tags. several XHTML 1.0 and XHTML 1.1 doctypes, which don't recognize the new tags in HTML 5. Russ Clarke You can use Validator.nu (X)HTML5 Validator (Living Validator): http://html5.validator.nu/ Note that the "living validator" means that since the HTML 5 spec itself is constantly evolving, so does the validator - the results of your

SVG is the W3C's standard for 2D vector graphics. Something quite solid. Is there a 3D version of SVG? A kind of extension of it, so converting from .SVG to .something and reverse is quite straight forward. No, there is no such standard extension to SVG as part of the W3C. The closest that exists is the W3C Community Group, "Declarative 3D for the Web Architecture Community Group" . Editorial: nor should there be. While SVG is great and vector, it is a presentation format, not a data-interchange format as you seek for 3D. For example, the painter's model of SVG describes the visual layering of

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I've been reading about SPARQL and RDF and please correct me if my reasoning about these technologies is wrong here. Assuming that we have a local SPARQL database called LOCAL.. and url to remote RDF file called URL_RDF. Can I write a script lets say in PHP which will do a SPARQL query like this ? Pseudo code. SELECT * FROM LOCAL,URL_RDF WHERE LOCAL.id=URL_RDF.id In other words can I combine sources within SPARQL query like this (remote file + local db) ? You can do this using the federation features in SPARQL 1.1. These are described at http://www.w3.org/TR/sparql11-federated-query , but to