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Topic: Namespaces


In the News (Wed 25 Nov 09)

  
  Rakesh's Blog : Namespaces   (Site not responding. Last check: 2007-09-18)
The disatvantages, compared to C# namespaces is that you not only have to use the "using" statement but also (of course) need an "#include" statement.
Unnamed namespaces are also very popular with the loving crowd (though not as popular as a compiler that gave local classes linkage would be).
I use namespaces but I think that for the most part they are a convenience feature and not something I could live without in C++.
blogs.msdn.com /rakeshna/archive/2004/11/13/257054.aspx   (885 words)

  
 rpbourret.com - XML Namespaces FAQ
An XML namespace declaration remains in scope for the element on which it is declared and all of its descendants, unless it is overridden or undeclared on one of those descendants (see questions 4.5, 4.6, and 4.8).
This is because the declaration that associates the foo prefix with the http://www.bar.org/ namespace occurs on the B element, overriding the declaration on the A element that associates it with the http://www.foo.org/ namespace.
This is because it was overridden on the B element by the declaration of the http://www.bar.org/ namespace.
www.rpbourret.com /xml/NamespacesFAQ.htm   (15620 words)

  
 Wikinfo | Wikinfo:Spring Cleaning
As such, few were being used with any regularity, and even those that were needed to be cleaned up and organized for Wikinfo, using a common header and footer navigation template.
What needs doing now is to revamp the (162 and dropping) articles and talk pages in the Wikinfo namespace to...well...much less.
Images, some of which are used under the doctrine of Fair use or used with permission, may not be available.
www.internet-encyclopedia.org /wiki.php?title=Wikinfo:Spring_Cleaning   (459 words)

  
 Cover Pages: Namespaces in XML
The namespaces draft "describes a simple method for qualifying certain names used in Extensible Markup Language documents by associating them with namespaces, identified by URI." In the simplest case, the namespace problem is undeniable and the proposed XML namespace solution is straight-forward (indirection being required by the RFC's lexical rules for URIs).
XML namespaces seem simple on their face, but buried in their nuances is the danger of real complexity and clumsiness if you don't take care while using them.
It is the consensus of the TAG that RDDL is a suitable format for use as a 'Namespace Document', that is to say as a representation yielded by dereferencing a URI in use as an XML Namespace Name.
www.oasis-open.org /cover/namespaces.html   (9251 words)

  
 XML.com: XML Namespaces by Example
Namespaces are a simple and straightforward way to distinguish names used in XML documents, no matter where they come from.
namespace, which we're using as the namespace name for HTML (presumably, now that namespaces are official, the W3C will give HTML an official namespace name).
The only purpose of namespaces is to give programmers a helping hand, enabling them to process the tags and attributes they care about and ignore those that don't matter to them.
www.xml.com /pub/a/1999/01/namespaces.html   (819 words)

  
 Namespaces in XML
gives the namespace prefix, used to associate element and attribute names with the namespace name in the attribute value in the scope of the element to which the declaration is attached.
This constraint may lead to operational difficulties in the case where the namespace declaration attribute is provided, not directly in the XML document entity, but via a default attribute declared in an external entity.
A default namespace is considered to apply to the element where it is declared (if that element has no namespace prefix), and to all elements with no prefix within the content of that element.
www.w3.org /TR/REC-xml-names   (2343 words)

  
 Namespaces   (Site not responding. Last check: 2007-09-18)
The prefix indicates the namespace that the element or attribute is in.
Technically, a namespace declaration adds a namespace node to the element the namespace declaration is on, and to all the elements it has as descendants.
That namespace is 'in scope' to that element and all its descendants.
www.dpawson.co.uk /xsl/sect2/N5536.html   (11472 words)

  
 NameSpaces   (Site not responding. Last check: 2007-09-18)
NameSpaces allow mutliple inheritence, shadowing, support of imports (one of our solutions of "specialization and reusing paradox").
Each Namespace in my implementation has an organization, which categorizes all elements within that Namespace (classes, internal Namespaces, other static variables) and holds a comment for that Namespace.
By the way, GNU Smalltalk has a NameSpace implementation also, maybe interesting to look at, although I think it's derived from the Visual Works implementation.
minnow.cc.gatech.edu /squeak.727   (387 words)

  
 Namespaces in XML 1.1
In a namespace declaration, the IRI reference is the normalized value of the attribute, so replacement of XML character and entity references has already been done before any comparison.
The scope of a default namespace declaration extends from the beginning of the start-tag in which it appears to the end of the corresponding end-tag, excluding the scope of any inner default namespace declarations.
If there is a default namespace declaration in scope, the expanded name corresponding to an unprefixed element name has the IRI of the default namespace as its namespace name.
www.w3.org /TR/2004/REC-xml-names11-20040204   (3171 words)

  
 XML.com: Namespace Myths Exploded   (Site not responding. Last check: 2007-09-18)
The XML namespaces recommendation is tantalizingly vague about, or omits altogether, a number of apparently important points.
It is hoped that this will help clear up some of the confusion about XML namespaces, as well as reinforcing the point that most of that confusion revolves around things not required to use XML namespaces as they were designed—that is, as a two-part naming system for element types and attributes.
Note: The discussions of these myths often refer to the "traditional namespaces used by an XML document." These are the traditional namespaces that hold element type and attribute names.
www.xml.com /pub/a/2000/03/08/namespaces   (352 words)

  
 XML Namespaces
In XML 1.0 without namespaces, element type names and attribute names are unstructured strings using a restricted set of characters, similar to identifiers in programming languages.
The XML Namespaces Recommendation tries to improve this situation by extending the data model to allow element type names and attribute names to be qualified with a URI.
In effect the XML Namespaces Recommendation defines a mapping from an XML 1.0 tree where element type names and attribute names are local names into a tree where element type names and attribute names can be universal names.
www.jclark.com /xml/xmlns.htm   (968 words)

  
 A List Apart: Articles: How to Read W3C Specs
In the XML world, a namespace is a mechanism that lets you mix different markups in the same document.
Your best bet is to follow any namespace prefixes that you see in sample documents.
In most cases, if you encounter a long discussion of how a certain XML technology is “namespace-aware,” you may safely skip it.
www.alistapart.com /articles/readspec   (1412 words)

  
 namespaces Collection (document) (Internet Explorer - DHTML)
Integer that specifies the zero-based index of the item to be returned.
Retrieves a namespace object from the namespaces collection.
This sample demonstrates how to programmatically retrieve the names for all namespaces within the primary document.
msdn.microsoft.com /workshop/author/dhtml/reference/collections/namespaces.asp   (277 words)

  
 Namespaces   (Site not responding. Last check: 2007-09-18)
Binding namespaces to prefixes with #FIXED ATTLIST declarations
Namespace URIs do not necessarily point to a document, page, or schema
A Schema for a Document that Uses the Default Namespace
www.ibiblio.org /xml/slides/xmldevcon2001london/namespaces   (47 words)

  
 The Quick & Dirty .NET Guide to C#/VB OOP - Namespaces (.NET) - Developer Fusion, the UK developer community - VB, ASP, ...
.NET furthers the scope of OOP by compartmentalizing objects within namespaces, as an excellent means of categorizing and personalizing common and related fields, classes, structs or interfaces as a collection, as well as other namespaces known as nested namespaces!
Creating a library of common class filled namespaces makes for a well-created application, always having modular components ready for use.
All are neatly categorized together, and confusion in minimized, thus namespaces.
www.developerfusion.co.uk /show/4341/3   (319 words)

  
 WDVL: HTML - The HyperText Markup Language
XHTML 1.0 specifies three XML namespaces, corresponding to the three HTML 4.0 DTDs: Strict, Transitional, and Frameset.
Each of these three namespaces is identified by its own URI.
XHTML 1.0 is the basis for a family of future document types that extend and subset HTML.
www.wdvl.com /Authoring/HTML   (852 words)

  
 WDVL: XML: Extensible Markup Language
XLink and XPointer (XML Linking Language and XML Pointer Language) [updated January 27, 2002]
other related specifications such as XML Namespaces, XML Query Language, and so forth.
WDVL's XML author/maintainer, Ken Sall, has created a rather unique
wdvl.com /Authoring/Languages/XML   (1415 words)

  
 NOCCC Links
XML FAQ - XML FAQ (originally for World Wide Web Consortium's XML Special Interest Group).
XML Namespaces FAQ - Extensible Markup Language (XML) Namespaces FAQ.
ZDNet DevHead - Ziff-Davis' DevHeads-Up site has utilities, articles, and forums for computer developers of all kinds.
www.noccc.org /links   (6011 words)

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