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  2. static (keyword) - Wikipedia

    en.wikipedia.org/wiki/Static_(keyword)

    static is a reserved word in many programming languages to modify a declaration. The effect of the keyword varies depending on the details of the specific programming language, most commonly used to modify the lifetime (as a static variable) and visibility (depending on linkage), or to specify a class member instead of an instance member in classes.

  3. Pointer analysis - Wikipedia

    en.wikipedia.org/wiki/Pointer_analysis

    As a form of static analysis, fully precise pointer analysis can be shown to be undecidable. [1] Most approaches are sound, but range widely in performance and precision. Many design decisions impact both the precision and performance of an analysis; often (but not always) lower precision yields higher performance. These choices include: [2] [3]

  4. 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 ...

  5. Class variable - Wikipedia

    en.wikipedia.org/wiki/Class_variable

    Thus in some languages, static member variable or static member function are used synonymously with or in place of "class variable" or "class function", but these are not synonymous across languages. These terms are commonly used in Java , C# , [ 5 ] and C++ , where class variables and class methods are declared with the static keyword , and ...

  6. Comparison of programming languages by type system

    en.wikipedia.org/wiki/Comparison_of_programming...

    This is a comparison of the features of the type systems and type checking of multiple programming languages.. Brief definitions A nominal type system means that the language decides whether types are compatible and/or equivalent based on explicit declarations and names.

  7. Static variable - Wikipedia

    en.wikipedia.org/wiki/Static_variable

    In computer programming, a static variable is a variable that has been allocated "statically", meaning that its lifetime (or "extent") is the entire run of the program. This is in contrast to shorter-lived automatic variables, whose storage is stack allocated and deallocated on the call stack; and in contrast to dynamically allocated objects, whose storage is allocated and deallocated in heap ...

  8. Constant interface - Wikipedia

    en.wikipedia.org/wiki/Constant_interface

    This achieves the same goals as using an interface, allowing the constants to be referenced without a qualifier. To varying degrees, the issues listed above have now been addressed: Because static members can be imported specifically, the class namespace need not be polluted with all members of the constant interface.

  9. C standard library - Wikipedia

    en.wikipedia.org/wiki/C_standard_library

    The C standard library, sometimes referred to as libc, [1] is the standard library for the C programming language, as specified in the ISO C standard. [2] Starting from the original ANSI C standard, it was developed at the same time as the C POSIX library, which is a superset of it. [3]