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Что (кто) такое dereference - определение
UNARY OPERATOR
Dereference; Indirection operator; Dereferencing; Indirection lookup
Найдено результатов: 336
dereference
<programming> To access the thing to which a pointer points,
i.e. to follow the pointer. E.g. in C, the declarations
int i;
int *p = &i;
declare i as an integer and p as a pointer to integer. p is
initialised to point at i ("&i" is the address of i - the
inverse of "*"). The expression *p dereferences p to yield i
as an lvalue, i.e. something which can appear either on the
left of an assignment or anywhere an integer expression is
valid. Thus
*p = 17;
would set i to 17. *p++ is not the same as i++ however since
it is parsed as *(p++), i.e. increment p (which would be an
invalid thing to do if it was pointing to a single int, as in
this example) then dereference p's old value.
The C operator "->" also dereferences its left hand argument
which is assumed to point to a structure or union of which
the right hand argument is a member.
At first sight the word "dereference" might be thought to mean
"to cause to stop referring" but its meaning is well
established in jargon.
(1998-12-15)
dereference
[di:'r?f?r?ns]
¦ verb Computing obtain the address of a data item held in another location from (a pointer).
Dereference operator
In computer programming, the dereference operator or indirection operator, sometimes denoted by "*" (i.e.
reference
![The [[triangle of reference]], from the influential book ''[[The Meaning of Meaning]]'' (1923) by [[C. K. Ogden]] and [[I. A. Richards]]](https://commons.wikimedia.org/wiki/Special:FilePath/Ogden semiotic triangle.png?width=200 "The [[triangle of reference]], from the influential book ''[[The Meaning of Meaning]]'' (1923) by [[C. K. Ogden]] and [[I. A. Richards]]")
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
n.
mention, allusion
1) to make (a) reference (she made no references to her opponents)
2) to contain a reference (the statement contains several references to me)
3) a direct; indirect, oblique reference
4) a reference to (without reference to age)
regard, relation
5) in, with reference to
6) a frame of reference
recommendation
statement
7) to give, provide a reference
8) a good, positive, satisfactory; negative reference
consultation
source of information
9) further; quick reference
10) for reference (to file for future reference)
reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
Reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
Reference is a relationship between objects in which one object designates, or acts as a means by which to connect to or link to, another object. The first object in this relation is said to refer to the second object.
reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
n.
1.
Respect, regard, relation, concern.
2.
Allusion, intimation, hint.
Reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
·noun Relation; regard; respect.
II. Reference ·noun Appeal.
III. Reference ·noun One who, or that which, is referred to.
IV. Reference ·noun A work, or a passage in a work, to which one is referred.
V. Reference ·noun One of whom inquires can be made as to the integrity, capacity, and the like, of another.
VI. Reference ·noun The act of referring, or the state of being referred; as, reference to a chart for guidance.
VII. Reference ·noun The act of submitting a matter in dispute to the judgment of one or more persons for decision.
VIII. Reference ·noun That which refers to something; a specific direction of the attention; as, a reference in a text-book.
IX. Reference ·noun The process of sending any matter, for inquiry in a cause, to a master or other officer, in order that he may ascertain facts and report to the court.
reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
¦ noun
1. the action of referring.
a mention or citation of a source of information in a book or article.
2. a letter from a previous employer testifying to someone's ability or reliability.
¦ verb provide (a book or article) with references.
Phrases
with (or in) reference to in relation to; as regards.
reference
SPATIAL, TEMPORAL, CAUSAL, DEPENDENT, LOGICAL OR SEMANTIC RELATION DEFINED WITHIN A COLLECTION OF OBJECTS, WITH WHICH ONE OF THESE OBJECTS DESIGNATES, OR ACTS AS A BASE MEANS BY WHICH TO CONNECT TO, OR LINK TO SOME OTHER OBJECTS OF THE COLLECTION
References; Refrences; Referential; Unreferenced; Character reference; Referenced; Work Reference; Character references; Refer to; Referring; Bibliographical reference
(references)
Frequency: The word is one of the 3000 most common words in English.
1.
Reference to someone or something is the act of talking about them or mentioning them. A reference is a particular example of this.
He made no reference to any agreement...
N-VAR
2.
Reference is the act of consulting someone or something in order to get information or advice.
Please keep this sheet in a safe place for reference.
N-UNCOUNT
3.
Reference books are ones that you look at when you need specific information or facts about a subject.
...a useful reference work for teachers.
ADJ: ADJ n
4.
A reference is a word, phrase, or idea which comes from something such as a book, poem, or play and which you use when making a point about something.
...a reference from the Quran.
N-COUNT
5.
A reference is something such as a number or a name that tells you where you can obtain the information you want.
Make a note of the reference number shown on the form.
N-COUNT
6.
A reference is a letter that is written by someone who knows you and which describes your character and abilities. When you apply for a job, an employer might ask for references.
The firm offered to give her a reference.
N-COUNT
7.
A reference is a person who gives you a reference, for example when you are applying for a job. (mainly AM; in BRIT, usually use referee
)
)
N-COUNT
8.
If you keep information for future reference, you keep it because it might be useful in the future.
Read these notes carefully and keep them for future reference.
PHRASE: PHR after v
9.
You use with reference to or in reference to in order to indicate what something relates to.
I am writing with reference to your article on salaries for scientists...
PREP-PHRASE
10.
Википедия
Dereference operator
In computer programming, the dereference operator or indirection operator, sometimes denoted by "*" (i.e. an asterisk), is a unary operator (i.e. one with a single operand) found in C-like languages that include pointer variables. It operates on a pointer variable, and returns an l-value equivalent to the value at the pointer address. This is called "dereferencing" the pointer. For example, the C code
assigned 1 to variable x by using the dereference operator and a pointer to the variable x.
