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  2. Model–view–presenter - Wikipedia

    en.wikipedia.org/wiki/Model–view–presenter

    The model is an interface defining the data to be displayed or otherwise acted upon in the user interface. The view is a passive interface that displays data (the model) and routes user commands to the presenter to act upon that data. The presenter acts upon the model and the view. It retrieves data from repositories (the model), and formats it ...

  3. Driving cap - Wikipedia

    en.wikipedia.org/wiki/Driving_cap

    A driving cap is a special type of pipe cap used to provide a striking surface for a hammer while simultaneously protecting the end of the pipe from deformation. [1] A driving cap is made of much thicker or more durable material than a standard pipe cap and is always removed once installation is complete.

  4. Model–view–viewmodel - Wikipedia

    en.wikipedia.org/wiki/Model–view–viewmodel

    The view model is an abstraction of the view exposing public properties and commands. Instead of the controller of the MVC pattern, or the presenter of the MVP pattern, MVVM has a binder, which automates communication between the view and its bound properties in the view model. The view model has been described as a state of the data in the ...

  5. Multiview orthographic projection - Wikipedia

    en.wikipedia.org/wiki/Multiview_orthographic...

    On engineering drawings, the projection is denoted by an international symbol representing a truncated cone in either first-angle or third-angle projection, as shown by the diagram on the right. The 3D interpretation is a solid truncated cone, with the small end pointing toward the viewer. The front view is, therefore, two concentric circles.

  6. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    An advantage of this type of fitting is that the pipe it is connecting to does not need to be cut to a precise length; the slip joint can attach within a range of the end of the inserting pipe. Many slip fittings may be tightened or loosened by hand for easier access to residential drainpipe systems (for example, to clean out a trap or access a ...

  7. Architectural pattern - Wikipedia

    en.wikipedia.org/wiki/Architectural_pattern

    Software architecture pattern is a reusable, proven solution to a specific, recurring problem focused on architectural design challenges, which can be applied within various architectural styles. [ 1 ]

  8. Presentation–abstraction–control - Wikipedia

    en.wikipedia.org/wiki/Presentation–abstraction...

    The structure of an application with PAC. Presentation–abstraction–control (PAC) is a software architectural pattern.It is an interaction-oriented software architecture, and is somewhat similar to model–view–controller (MVC) in that it separates an interactive system into three types of components responsible for specific aspects of the application's functionality.

  9. UML state machine - Wikipedia

    en.wikipedia.org/wiki/UML_state_machine

    The pattern of events, states, and state transitions among those states can be abstracted and represented as a finite-state machine (FSM). The concept of a FSM is important in event-driven programming because it makes the event handling explicitly dependent on both the event-type and on the state of the system.