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  2. Null object pattern - Wikipedia

    en.wikipedia.org/wiki/Null_object_pattern

    In object-oriented computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior.The null object design pattern, which describes the uses of such objects and their behavior (or lack thereof), was first published as "Void Value" [1] and later in the Pattern Languages of Program Design book series as "Null Object".

  3. List of game engines - Wikipedia

    en.wikipedia.org/wiki/List_of_game_engines

    Bolt was acquired by Unity Technologies in May 2020, henceforth introducing Visual Scripting in Unity Unreal Engine: C++: 1998 C++, Blueprints Yes 3D Cross-platform: Unreal series, Fortnite, Gears of War, Valorant: Proprietary: UnrealScript was removed in version 4 V-Play Game Engine: C++: QML, JavaScript: Yes 2D iOS, Android, Windows, macOS ...

  4. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    The client has asked for a portion of the file (byte serving), but the server cannot supply that portion. For example, if the client asked for a part of the file that lies beyond the end of the file. Called "Requested Range Not Satisfiable" previously. [16]: §10.4.17 417 Expectation Failed

  5. Error message - Wikipedia

    en.wikipedia.org/wiki/Error_message

    Alternatively, the file might not exist, or the user has mistyped its name. This is most commonly seen on the internet with outdated links to web pages that no longer exist . On a local computer, this is more frequent on command line interfaces than on graphical user interfaces where files are presented iconically and users do not type file names.

  6. Computer programming - Wikipedia

    en.wikipedia.org/wiki/Computer_programming

    Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.

  7. Foreach loop - Wikipedia

    en.wikipedia.org/wiki/Foreach_loop

    In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. foreach is usually used in place of a standard for loop statement.

  8. Pokémon Trading Card Game - Wikipedia

    en.wikipedia.org/wiki/Pokémon_Trading_Card_Game

    A Pokémon TCG playmat with labels of various gameplay aspects, e.g. Active Spot, Bench, Deck, and Discard Pile. The Pokémon Trading Card Game is a strategy-based card game that is usually played on a designated playmat or digitally on an official game client where two players (assuming the role of Pokémon Trainer) use their Pokémon to battle one another.

  9. Error (baseball) - Wikipedia

    en.wikipedia.org/wiki/Error_(baseball)

    If a batted ball were hit on the fly into foul territory, with the batting team having no runners on base, and a fielder misplayed such ball for an error, it is possible for a team on the winning side of a perfect game to commit at least one error, yet still qualify as a perfect game. There is a curious loophole in the rules on errors for ...