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  2. Quine (computing) - Wikipedia

    en.wikipedia.org/wiki/Quine_(computing)

    A quine's output is exactly the same as its source code. A quine is a computer program that takes no input and produces a copy of its own source code as its only output. The standard terms for these programs in the computability theory and computer science literature are "self-replicating programs", "self-reproducing programs", and "self-copying programs".

  3. Return statement - Wikipedia

    en.wikipedia.org/wiki/Return_statement

    Languages without a return statement, such as standard Pascal don't have this problem. Some languages, such as C++ and Python, employ concepts which allow actions to be performed automatically upon return (or exception throw) which mitigates some of these issues – these are often known as "try/finally" or similar.

  4. this (computer programming) - Wikipedia

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

    this, self, and Me are keywords used in some computer programming languages to refer to the object, class, or other entity which the currently running code is a part of. The entity referred to thus depends on the execution context (such as which object has its method called).

  5. Strongly typed identifier - Wikipedia

    en.wikipedia.org/wiki/Strongly_typed_identifier

    A UML class diagram for a strongly typed identifier. A strongly typed identifier is user-defined data type which serves as an identifier or key that is strongly typed.This is a solution to the "primitive obsession" code smell as mentioned by Martin Fowler.

  6. Method overriding - Wikipedia

    en.wikipedia.org/wiki/Method_overriding

    In Python, when a subclass contains a method that overrides a method of the superclass, you can also call the superclass method by calling super (Subclass, self). method [10] instead of self. method. Example:

  7. Fluent interface - Wikipedia

    en.wikipedia.org/wiki/Fluent_interface

    A fluent interface is normally implemented by using method chaining to implement method cascading (in languages that do not natively support cascading), concretely by having each method return the object to which it is attached [citation needed], often referred to as this or self. Stated more abstractly, a fluent interface relays the ...

  8. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python supports a wide variety of string operations. Strings in Python are immutable, so a string operation such as a substitution of characters, that in other programming languages might alter the string in place, returns a new string in Python. Performance considerations sometimes push for using special techniques in programs that modify ...

  9. Member variable - Wikipedia

    en.wikipedia.org/wiki/Member_variable

    /*Ruby has three member variable types: class, class instance, and instance. */ class Dog # The class variable is defined within the class body with two at-signs # and describes data about all Dogs *and* their derived Dog breeds (if any) @@sniffs = true end mutt = Dog. new mutt. class. sniffs #=> true class Poodle < Dog # The "class instance variable" is defined within the class body with a ...