Aug 22, 2014 · In XML documents attributes and elements belong to namespaces. This is to prevent the elements from different technologies from clashing e.g. the SVG <a> element and the HTML <a> element can be distinguished if one is called svg:a and the other html:a

Mar 26, 2017 · How to create a temp table similarly to creating a normal table? Example: CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, ....

Oct 10, 2016 · I'm trying to sign Xml (actually SOAP xml) in C# using the SignedXml class, the signing stage passes successfully, but when I try to verify the signature it tells me that it is not valid.

Aug 12, 2013 · I have an issue with not exists sql query at w3schools I want to select all customers that work with shipperid = 1 BUT not shipperid = 3. I tried the following: select o1.customerid, o1.shipperid...

May 1, 2012 · Most of the roles you see were defined as part of ARIA 1.0, and then later incorporated into HTML via supporting specs like HTML-AAM.

Mar 7, 2017 · It means XML namespace.. Basically, every element (or attribute) in XML belongs to a namespace, a way of "qualifying" the name of the element.

Dec 17, 2014 · Based on some of the comments I'm reading here and a little reading between the lines, I think one possible reason references to w3schools get down voted might be because some people just don't like for-profit websites (if you check out the site, you'll notice there's quite a bunch of ads here and there (at least they're technology related)).

Oct 21, 2011 · I think this may help: First read all the specs from Microsoft and W3.org. You'd see that the setting the actual element of a checkbox needs to be done on the ELEMENT PROPERTY, not the UI or attribute. $('mycheckbox')[0].checked. Secondly, you need to be aware that the checked attribute RETURNS a string "true", "false" Why is this important ...

Mar 13, 2022 · This should be enough: Efficiently Rendering CSS.With your use of the universal selector the browser will first check ALL elements whether they are nth child of another element, then if their direct parent is tr and then whether they belong to .mytable.

Dec 22, 2009 · Edit: Now that we're all crazy about specs, I think it worth pointing out that according to dev.w3.org: Start tags consist of the following parts, in exactly the following order: A "<" character. The element’s tag name. Optionally, one or more attributes, each of which must be preceded by one or more space characters.