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  2. Line (geometry) - Wikipedia

    en.wikipedia.org/wiki/Line_(geometry)

    A red line near the origin on the two-dimensional Cartesian coordinate system. In geometry, a line is an infinitely long object with no width, depth, or curvature. Thus, lines are one-dimensional objects, though they may exist in two, three, or higher dimension spaces. The word line may also refer to a line segment in everyday life, which have ...

  3. World tree - Wikipedia

    en.wikipedia.org/wiki/World_tree

    The world tree is a motif present in several religions and mythologies, particularly Indo-European religions, Siberian religions, and Native American religions. The world tree is represented as a colossal tree which supports the heavens, thereby connecting the heavens, the terrestrial world, and, through its roots, the underworld.

  4. Lists of colors - Wikipedia

    en.wikipedia.org/wiki/Lists_of_colors

    Shades of violet. Shades of rose. Shades of brown. Shades of purple. Shades of pink. Shades of white. Shades of gray. Shades of black. This article includes a list of lists.

  5. List of high-speed railway lines - Wikipedia

    en.wikipedia.org/wiki/List_of_high-speed_railway...

    The Madrid–Seville line was the first dedicated passenger high-speed rail line to be built in Spain and was completed in time for Seville's Expo 92. With a length of 472 km, the fastest train journey between the two cities takes 2 hours and 20 minutes. The line is served by S-100 (max speed 300 km/h or 186 mph) trains.

  6. Plan (calendar program) - Wikipedia

    en.wikipedia.org/wiki/Plan_(calendar_program)

    plan is a calendar and day planner program for the X Window System based on the Motif widget set. plan is free software released under a custom permissive license. Its main window shows a month (the current one by default); the user can insert appointments at given days and time. An accompanying program pland reminds the user of appointments by ...

  7. Planz - Wikipedia

    en.wikipedia.org/wiki/Planz

    Planz. Planz is an open source personal information manager developed by the Keeping Found Things Found group at the University of Washington Information School. It integrates e-mail, website links and content, computer files and folders, and informal notes into a simplified, document-like interface. Its purpose is to make the user's personal ...

  8. Command-line interface - Wikipedia

    en.wikipedia.org/wiki/Command-line_interface

    The Plan 9 operating system uses the rc shell which is similar in design to the Bourne shell. Scripting. Most command-line interpreters support scripting, to various extents. (They are, after all, interpreters of an interpreted programming language, albeit in many cases the language is unique to the particular command-line interpreter.)

  9. WebSocket - Wikipedia

    en.wikipedia.org/wiki/WebSocket

    WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011. The current API specification allowing web applications to use this protocol is known as WebSockets. [1] It is a living standard maintained by the ...