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  2. Instance variable - Wikipedia

    en.wikipedia.org/wiki/Instance_variable

    Each instance variable lives in memory for the lifetime of the object it is owned by. [5] Instance variables are properties of that object. All instances of a class have their own copies of instance variables, even if the value is the same from one object to another. One class instance can change values of its instance variables without ...

  3. Visitor pattern - Wikipedia

    en.wikipedia.org/wiki/Visitor_pattern

    [3]: 289 A drawback of this approach, however, is that you can't break out of the loop easily or iterate concurrently (in parallel i.e. traversing two containers at the same time by a single i variable). [3]: 289 The latter would require writing additional functionality for a visitor to support these features. [3]: 289

  4. Closure (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Closure_(computer_programming)

    The term closure is often used as a synonym for anonymous function, though strictly, an anonymous function is a function literal without a name, while a closure is an instance of a function, a value, whose non-local variables have been bound either to values or to storage locations (depending on the language; see the lexical environment section below).

  5. Instance-based learning - Wikipedia

    en.wikipedia.org/wiki/Instance-based_learning

    Examples of instance-based learning algorithms are the k-nearest neighbors algorithm, kernel machines and RBF networks. [2]: ch. 8 These store (a subset of) their training set; when predicting a value/class for a new instance, they compute distances or similarities between this instance and the training instances to make a decision.

  6. this (computer programming) - Wikipedia

    en.wikipedia.org/wiki/This_(computer_programming)

    In some languages, for example C++, Java, and Raku this or self is a keyword, and the variable automatically exists in instance methods. In others, for example, Python, Rust, and Perl 5, the first parameter of an instance method is such a reference. It needs to be specified explicitly.

  7. Loop dependence analysis - Wikipedia

    en.wikipedia.org/wiki/Loop_dependence_analysis

    In this example, there is an output dependence between statements S1 and S2. Here, the variable c is first written to in S1 and then variable c is written to again in statement S2. This output dependence can be represented by S1 →O S2. An output dependence can be seen by different iterations in a loop.

  8. Object-oriented programming - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_programming

    Instance variables or attributes – data that belongs to individual objects; every object has its own copy of each one. All 4 variables mentioned above (first_name, position etc) are instance variables. Member variables – refers to both the class and instance variables that are defined by a particular class.

  9. Prototype-based programming - Wikipedia

    en.wikipedia.org/wiki/Prototype-based_programming

    This model can also be known as prototypal, prototype-oriented, classless, or instance-based programming. Prototype-based programming uses the process generalized objects, which can then be cloned and extended. Using fruit as an example, a "fruit" object would represent the properties and functionality of fruit in general.