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  2. HTTP persistent connection - Wikipedia

    en.wikipedia.org/wiki/HTTP_persistent_connection

    Under HTTP 1.0, connections should always be closed by the server after sending the response. [1]Since at least late 1995, [2] developers of popular products (browsers, web servers, etc.) using HTTP/1.0, started to add an unofficial extension (to the protocol) named "keep-alive" in order to allow the reuse of a connection for multiple requests/responses.

  3. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...

  4. Angular (web framework) - Wikipedia

    en.wikipedia.org/wiki/Angular_(web_framework)

    Angular 4.3: 18 July 2017: HttpClient for making HTTP requests, conditionally disabling animations, new router life cycle events for Guards and Resolvers. Minor release, meaning that it contains no breaking changes and that it is a drop-in replacement for Angular 4.x.x. Angular 4: 23 March 2017 [37]

  5. Signal-flow graph - Wikipedia

    en.wikipedia.org/wiki/Signal-flow_graph

    A signal-flow graph or signal-flowgraph (SFG), invented by Claude Shannon, [1] but often called a Mason graph after Samuel Jefferson Mason who coined the term, [2] is a specialized flow graph, a directed graph in which nodes represent system variables, and branches (edges, arcs, or arrows) represent functional connections between pairs of nodes.

  6. Stack Overflow - Wikipedia

    en.wikipedia.org/wiki/Stack_Overflow

    [2] [3] [4] It was created in 2008 by Jeff Atwood and Joel Spolsky. [5] [6] It features questions and answers on certain computer programming topics. [7] [8] [9] It was created to be a more open alternative to earlier question and answer websites such as Experts-Exchange.

  7. Cross-site scripting - Wikipedia

    en.wikipedia.org/wiki/Cross-site_scripting

    This states that if content from one site (such as https://mybank.example1.com) is granted permission to access resources (like cookies etc.) on a web browser, then content from any URL with the same (1) URI scheme (e.g. ftp, http, or https), (2) host name, and (3) port number will share these permissions. Content from URLs where any of these ...

  8. Position error - Wikipedia

    en.wikipedia.org/wiki/Position_error

    The system error, including position error, ..., may not exceed three percent of the calibrated airspeed or 5 knots (9.3 km/h), whichever is greater, throughout the [operating speed range for the aircraft].

  9. HTTP 403 - Wikipedia

    en.wikipedia.org/wiki/HTTP_403

    A 403 status code can occur for the following reasons: [3] Insufficient permissions: The most common reason for a 403 status code is that the user lacks the necessary permissions to access the requested resource.