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What (who) is pointer - definition
WIKIMEDIA DISAMBIGUATION PAGE
Pointers; Pointer (disambiguation)
Pointer
·noun The hand of a timepiece.
II. Pointer ·noun One who, or that which, points.
III. Pointer ·noun Diagonal braces sometimes fixed across the hold.
IV. Pointer ·noun One of a breed of dogs trained to stop at scent of game, and with the nose point it out to sportsmen.
V. Pointer ·noun The two stars (Merak and Dubhe) in the Great Bear, the line between which points nearly in the direction of the north star.
pointer
1. <programming> An address, from the point of view of a
programming language. A pointer may be typed, with its type
indicating the type of data to which it points.
The terms "pointer" and "reference" are generally
interchangable although particular programming languages often
differentiate these two in subtle ways. For example, Perl
always calls them references, never pointers. Conversely, in
C, "pointer" is used, although "a reference" is often used to
denote the concept that a pointer implements.
Anthony Hoare once said:
Pointers are like jumps, leading wildly from one part of the
data structure to another. Their introduction into high-level
languages has been a step backward from which we may never
recover.
[C.A.R.Hoare "Hints on Programming Language Design", 1973,
Prentice-Hall collection of essays and papers by Tony Hoare ].
2. <operating system> (Or "mouse pointer") An icon, usually
a small arrow, that moves on the screen in response to
movement of a pointing device, typically a mouse. The
pointer shows the user which object on the screen will be
selected etc. when a mouse button is clicked.
(1999-07-07)
pointer
(pointers)
1.
A pointer is a piece of advice or information which helps you to understand a situation or to find a way of making progress.
I hope at least my daughter was able to offer you some useful pointers...
N-COUNT: with supp
2.
A pointer to something suggests that it exists or gives an idea of what it is like. (mainly BRIT)
Sunday's elections should be a pointer to the public mood.
N-COUNT: N to/towards n
3.
A pointer is a long stick that is used to point at something such as a large chart or diagram when explaining something to people.
She tapped on the world map with her pointer.
N-COUNT
4.
The pointer on a measuring instrument is the long, thin piece of metal that points to the numbers.
= needle
N-COUNT
Examples of use of pointer
1. Pointer had been hospitalised since late February.
2. June Pointer, youngest of the four Pointer Sisters who went from teenage gospel singers to the top of the pops, has died of cancer aged 52.
3. Ruth‘s daughter, Issa Pointer, is the trio‘s newest member.
4. Martin Pointer QC acted as Ms Mills‘s barrister in court.
5. So I went to Battersea and found Floss the pointer.