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URL is a useful but informal concept: a URL is a type of URI that identifies a resource via a representation of its primary access mechanism (e.g., its network "location"), rather than by some other attributes it may have. [19] As such, a URL is simply a URI that happens to point to a resource over a network.
In Konqueror, any about URI except about:blank and about:plugins redirects to about:konqueror, which shows a friendly ‘start’ and navigation page. In Internet Explorer for Mac 5 was an offline Easter egg , accessible by typing ‘about: tasman ’, showing the Acid1 test with the text replaced by the names of the developers.
A uniform resource locator (URL), colloquially known as an address on the Web, [1] is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), [2] [3] although many people use the two terms interchangeably.
The PURL service includes a concept known as partial redirection. If a request does not match a PURL exactly, the requested URL is checked to determine if some contiguous front portion of the PURL string matches a registered PURL. If so, a redirection occurs with the remainder of the requested URL appended to the target URL.
Both forms are actively used. Microsoft .NET (for example, the method new Uri(path)) generally uses the 2-slash form; Java (for example, the method new URI(path)) generally uses the 4-slash form. Either form allows the most common operations on URIs (resolving relative URIs, and dereferencing to obtain a connection to the remote file) to be ...
Example of a blank node in a RDF graph. In RDF, a blank node (also called bnode) is a node in an RDF graph representing a resource for which a URI or literal is not given. [1] The resource represented by a blank node is also called an anonymous resource. According to the RDF standard a blank node can only be used as subject or object of an RDF ...
Some web applications need to manage user sessions, so they implement states, or server side sessions, using for instance HTTP cookies [46] or hidden variables within web forms. To start an application user session, an interactive authentication via web application login must be performed.
A URL will often comprise a path, script name, and query string.The query string parameters dictate the content to show on the page, and frequently include information opaque or irrelevant to users—such as internal numeric identifiers for values in a database, illegibly encoded data, session IDs, implementation details, and so on.