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- Reference_(computer_science) abstract "In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable or a record, in the computer's memory or in some other storage device. The reference is said to refer to the datum, and accessing the datum is called dereferencing the reference.A reference is distinct from the data itself. Typically, for references to data stored in memory on a given system, a reference is implemented as the physical address of where the data is stored in memory or in the storage device. For this reason, a reference is often called a pointer or address, and is said to "point to" the data. However a reference may also be implemented in other ways, such as the offset (difference) between the datum's address and some fixed "base" address, as an index into an array, or more abstractly as a handle. More broadly, in networking, references may be network addresses, such as URLs.The concept of reference must not be confused with other values (keys or identifiers) that uniquely identify the data item, but give access to it only through a non-trivial lookup operation in some table data structure. References are widely used in programming, especially to efficiently pass large or mutable data as arguments to procedures, or to share such data among various uses. In particular, a reference may point to a variable or record that contains references to other data. This idea is the basis of indirect addressing and of many linked data structures, such as linked lists. References can cause significant complexity in a program, firstly due to the possibility of dangling references and wild references, secondly due to the fact that the topology of data with references is a directed graph, whose analysis can be quite complicated.".
- Reference_(computer_science) wikiPageExternalLink 104.
- Reference_(computer_science) wikiPageID "229292".
- Reference_(computer_science) wikiPageRevisionID "605882797".
- Reference_(computer_science) hasPhotoCollection Reference_(computer_science).
- Reference_(computer_science) subject Category:Data_types.
- Reference_(computer_science) subject Category:Primitive_types.
- Reference_(computer_science) subject Category:Programming_language_concepts.
- Reference_(computer_science) type Abstraction100002137.
- Reference_(computer_science) type Cognition100023271.
- Reference_(computer_science) type Concept105835747.
- Reference_(computer_science) type Content105809192.
- Reference_(computer_science) type Idea105833840.
- Reference_(computer_science) type ProgrammingLanguageConcepts.
- Reference_(computer_science) type PsychologicalFeature100023100.
- Reference_(computer_science) comment "In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable or a record, in the computer's memory or in some other storage device. The reference is said to refer to the datum, and accessing the datum is called dereferencing the reference.A reference is distinct from the data itself.".
- Reference_(computer_science) label "Reference (computer science)".
- Reference_(computer_science) label "Referencia (informática)".
- Reference_(computer_science) label "Referencja (informatyka)".
- Reference_(computer_science) label "Referenz (Programmierung)".
- Reference_(computer_science) label "Referência (ciência da computação)".
- Reference_(computer_science) label "Référence (programmation)".
- Reference_(computer_science) label "Ссылка (программирование)".
- Reference_(computer_science) label "参照 (情報工学)".
- Reference_(computer_science) label "參照".
- Reference_(computer_science) sameAs Reference_(programování).
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- Reference_(computer_science) sameAs Referencia_(informática).
- Reference_(computer_science) sameAs Référence_(programmation).
- Reference_(computer_science) sameAs 参照_(情報工学).
- Reference_(computer_science) sameAs Referencja_(informatyka).
- Reference_(computer_science) sameAs Referência_(ciência_da_computação).
- Reference_(computer_science) sameAs m.01hcsb.
- Reference_(computer_science) sameAs Q1334113.
- Reference_(computer_science) sameAs Q1334113.
- Reference_(computer_science) sameAs Reference_(computer_science).
- Reference_(computer_science) wasDerivedFrom Reference_(computer_science)?oldid=605882797.
- Reference_(computer_science) isPrimaryTopicOf Reference_(computer_science).