What is uri scheme?

URI Scheme

In the field of computer networking, a URI scheme is the top level of the uniform resource identifier (URI) naming structure. All URIs and absolute URI references are formed with a scheme name, followed by a colon character (":"), and the remainder of the URI called (in the outdated RFCs 1738 and 2396, but not the current STD 66/RFC 3986) the scheme-specific part. The syntax and semantics of the scheme-specific part are left largely to the specifications governing individual schemes, subject to certain constraints such as reserved characters and how to "escape" them.

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Some articles on uri scheme:

File URI Scheme
... The file URI scheme is a URI scheme specified in RFC 1630 and RFC 1738, typically used to retrieve files from within one's own computer ...
Unofficial But Common URI Schemes
... Scheme Purpose Defined by General format Notes coap Accessing Constrained Application Protocol (CoAP) resources ...
Yahoo! Messenger - Features - URI Scheme
... installation process automatically installs an extra URI scheme ("protocol") handler into some web browsers, so that URIs beginning "ymsgr" can open a new Yahoo! Messenger window with specified parameters ... This is similar in function to the mailto URI scheme, which creates a new e-mail message using the system's default mail program ...
Percent-encoding in A URI - Percent-encoding Reserved Characters
... character") has special meaning (a "reserved purpose") in a certain context, and a URI scheme says that it is necessary to use that character for some other purpose, then the character must be ... by a percent sign ("%") which is used as an escape character, are then used in the URI in place of the reserved character ... as above.) The reserved character "/", for example, if used in the "path" component of a URI, has the special meaning of being a delimiter between path segments ...

Famous quotes containing the word scheme:

    Your scheme must be the framework of the universe; all other schemes will soon be ruins.
    Henry David Thoreau (1817–1862)