Perl and Reference (computer science)

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Difference between Perl and Reference (computer science)

Perl vs. Reference (computer science)

Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages, Perl 5 and Perl 6. In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable's value or a record, in the computer's memory or in some other storage device.

Associative array

In computer science, an associative array, map, symbol table, or dictionary is an abstract data type composed of a collection of (key, value) pairs, such that each possible key appears at most once in the collection.

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C++

C++ ("see plus plus") is a general-purpose programming language.

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File descriptor

In Unix and related computer operating systems, a file descriptor (FD, less frequently fildes) is an abstract indicator (handle) used to access a file or other input/output resource, such as a pipe or network socket.

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Fortran

Fortran (formerly FORTRAN, derived from Formula Translation) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.

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Lisp (programming language)

Lisp (historically, LISP) is a family of computer programming languages with a long history and a distinctive, fully parenthesized prefix notation.

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Memory management

Memory management is a form of resource management applied to computer memory.

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PHP

PHP: Hypertext Preprocessor (or simply PHP) is a server-side scripting language designed for Web development, but also used as a general-purpose programming language.

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Python (programming language)

Python is an interpreted high-level programming language for general-purpose programming.

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Reference counting

In computer science, reference counting is a technique of storing the number of references, pointers, or handles to a resource such as an object, block of memory, disk space or other resource.

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Smalltalk

Smalltalk is an object-oriented, dynamically typed, reflective programming language.

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Subroutine

In computer programming, a subroutine is a sequence of program instructions that performs a specific task, packaged as a unit.

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Type conversion

In computer science, type conversion, type casting, and type coercion are different ways of changing an entity of one data type into another.

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Variable (computer science)

In computer programming, a variable or scalar is a storage location (identified by a memory address) paired with an associated symbolic name (an identifier), which contains some known or unknown quantity of information referred to as a value.

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