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Wikipedia has 28 current namespaces: 13 subject namespaces, 13 corresponding talk namespaces, and 2 virtual namespaces. These are all listed in the box to the right. While surfing Wikipedia, a list of namespaces is available in two clicks: do an empty search, then click Advanced under the search box.
In Java, the idea of a namespace is embodied in Java packages. All code belongs to a package, although that package need not be explicitly named. Code from other packages is accessed by prefixing the package name before the appropriate identifier, for example class String in package java.lang can be referred to as java.lang.String (this is ...
Some discussions are in the Wikipedia: namespace, which can be included by also selecting "General help" (which also adds help pages) or by selecting "Wikipedia" under "Add namespaces…". "General Help": Search the Help: namespace and Wikipedia: namespace (also called project namespace). The latter contains various types of pages including ...
For example, you might do this if you wanted to search for occurrences of the word "Fish" across Wikipedia, rather than be taken straight to the article Fish. The search page also allows you to select which namespaces to search in. You can choose a preset option (Default, Discussion, General Help, or All) or add/remove namespaces individually.
Defines a boolean variable for the values "true" or "false" only. By default, the value of boolean primitive type is false. This keyword is also used to declare that a method returns a value of the primitive type boolean. break Used to end the execution in the current loop body. Used to break out of a switch block. byte
There is a list of indexes. Pay attention to what those are, since you'll want to try to search only those fields. Also pay attention to which indexes come in pairs and triplets. If you try to search WHERE log_title = 'foo' without also searching AND log_namespace = 'bar', your query will time out because those two fields are indexed together.
The project namespace or Wikipedia namespace is a namespace consisting of administration pages with information or discussion about Wikipedia. Pages in this namespace will always have the prefix Wikipedia:. They can also be reached by alias WP: or the standard (for any MediaWiki site) prefix Project:. Its namespace number is four (4).
In Java, the signature of a method or a class contains its name and the types of its method arguments and return value, where applicable. The format of signatures is documented, as the language, compiler, and .class file format were all designed together (and had object-orientation and universal interoperability in mind from the start).