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  2. Module:If not given or empty - Wikipedia

    en.wikipedia.org/wiki/Module:If_not_given_or_empty

    Text before and after is not added because when does not contain NG (for not given). {{Infobox some thing|image=}} final output is before EMPTY after. Text before and after is added because when contains EM (for empty). {{Infobox some thing|image=Green pog.svg}} final output is the equivalent of [[File:Green pog.svg|30px]].

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    It alerts the client to wait for a final response. The message consists only of the status line and optional header fields, and is terminated by an empty line. As the HTTP/1.0 standard did not define any 1xx status codes, servers must not [note 1] send a 1xx response to an HTTP/1.0 compliant client except under experimental conditions. 100 Continue

  4. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    In Python, == compares by value. Python's is operator may be used to compare object identities (comparison by reference), and comparisons may be chained—for example, a <= b <= c. Python uses and, or, and not as Boolean operators. Python has a type of expression named a list comprehension, and a more general expression named a generator ...

  5. Exit status - Wikipedia

    en.wikipedia.org/wiki/Exit_status

    In Unix and other POSIX-compatible systems, the parent process can retrieve the exit status of a child process using the wait() family of system calls defined in wait.h. [10] Of these, the waitid() [11] call retrieves the full exit status, but the older wait() and waitpid() [12] calls retrieve only the least significant 8 bits of the exit status.

  6. WebSocket - Wikipedia

    en.wikipedia.org/wiki/WebSocket

    The client sends an HTTP request (method GET, version ≥ 1.1) and the server returns an HTTP response with status code 101 (Switching Protocols) on success. This means a WebSocket server can use the same port as HTTP (80) and HTTPS (443) because the handshake is compatible with HTTP.

  7. Coroutine - Wikipedia

    en.wikipedia.org/wiki/Coroutine

    This is, in large part, due to the limitations of stack-based subroutine implementation. An exception is the C++ library Boost.Context, part of boost libraries, which supports context swapping on ARM, MIPS, PowerPC, SPARC and x86 on POSIX, Mac OS X and Windows. Coroutines can be built upon Boost.Context.

  8. Status bar - Wikipedia

    en.wikipedia.org/wiki/Status_bar

    The status bar of a file manager often shows the count of items in the current directory, their total size, or the size of the currently selected item.; The status bar of a web browser will be invisible or blank when the user is viewing a page, then display loading information when the user clicks a hyperlink.

  9. Windows Server 2016 - Wikipedia

    en.wikipedia.org/wiki/Windows_Server_2016

    Windows Server, version 1803 (version shared with Windows 10 April 2018 Update) is the second Semi-Annual Channel release of Windows Server. [50] It is also the final version to be branched off the Server 2016 codebase, as the next release shares the version number 1809 with Windows Server 2019 .