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A namespace name is a uniform resource identifier (URI). Typically, the URI chosen for the namespace of a given XML vocabulary describes a resource under the control of the author or organization defining the vocabulary, such as a URL for the author's Web server.
A programmer can insert the using directive to bypass namespace resolution requirements and obtain backwards compatibility with older code that expects all identifiers to be in the global namespace. However the use of the using directive for reasons other than backwards compatibility (e.g., convenience) is considered to be against good code ...
Schema documents are organized by namespace: all the named schema components belong to a target namespace, and the target namespace is a property of the schema document as a whole. A schema document may include other schema documents for the same namespace, and may import schema documents for a different namespace.
The using directive loads a specific namespace from a referenced assembly. It is usually placed in the top (or header) of a code file but it can be placed elsewhere if wanted, e.g. inside classes. It is usually placed in the top (or header) of a code file but it can be placed elsewhere if wanted, e.g. inside classes.
If, however, one were to refer to "*COM:X" one is using a fully qualified file name reference to the file X in the common library even if they have a different file named X in their library. Similarly, a reference to "*USR:X" would mean the file in their own library, and "MA45:X" would be a fully qualified file name referring to the specific ...
A QName concisely associates the URI of an XML namespace with the local name of an element, attribute, or identifier in that namespace. [1] To make this association, the QName assigns the local name a prefix that corresponds to its namespace. In all, the QName comprises the URI of the XML namespace, the prefix, and the local name.
The most common practice is to use PascalCase for the names of all fields, except for those which are private (and neither const nor static), which are given names that use camelCase preceded by a single underscore; for example, _totalCount. Any identifier name may be prefixed by the commercial-at symbol (@), without any change in meaning.
In computer programming, scope is an enclosing context where values and expressions are associated. The scope resolution operator helps to identify and specify the context to which an identifier refers, particularly by specifying a namespace or class.