pointer

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pointer,

breed of large sporting dogsporting dog,
classification used by breeders and kennel clubs to designate dogs bred for pointing, flushing, and retrieving game. These dogs hunt by air scent—as opposed to most hounds, which are ground scenters—and their quarry is primarily game birds.
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 developed in England more than 300 years ago. It stands between 23 and 26 in. (58.4–66.4 cm) high at the shoulder and weighs between 50 and 60 lb (22.7–27.2 kg). Its short, dense, shiny coat may be solid liver, black, yellow, or orange, or, more frequently, white with any of these colors as markings. The pointer is a scent hunter used for upland game birds. Having located its quarry, it stands rigidly poised with its body and nose facing the game, thus directing the hunter to it. Bred from crosses of foxhound, greyhound, and bloodhound with an early "setting" spaniel, the pointer was originally used to find and point hares, which were then chased and killed by greyhounds. With the rise in popularity of wing-shooting in the early 1700s, the pointer quickly became regarded as an expert gundog, a reputation it continues to enjoy today. The term pointer is also widely used to designate a dog of any breed that characteristically points its quarry. See dogdog,
carnivorous, domesticated wolf (Canis lupus familiaris) of the family Canidae, to which the jackal and fox also belong. The family Canidae is sometimes referred to as the dog family, and its characteristics, e.g.
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.

Pointer

 

a breed of short-haired hunting dog, developed in England by crossing a Spanish Pointer with an English Foxhound. Pointers were introduced into Russia in the 1860’s. The dogs stand up to 63–65 cm high and have a retangular muzzle, drooping ears, and a whiplike tail. The coat may be black, pale yellow, brown (sometimes with white spots), or white with black, yellow, or brown spots and speckles. Pointers have a keen sense of smell and are able to point for a long time in front of their quarry. The dogs are used for hunting swamp, steppe, and forest birds.

REFERENCE

Posobie po sobakovodstvu, 2nd ed. Leningrad, 1973.

pointer

[′pȯint·ər]
(computer science)
The part of an instruction which contains the address of the next record to be accessed.
(engineering)
The needle-shaped rod that moves over the scale of a meter.

pointer

1. an indicator on a measuring instrument
2. a long rod or cane used by a lecturer to point to parts of a map, blackboard, etc.
3. one of a breed of large swift smooth-coated dogs, usually white with black, liver, or lemon markings: when on shooting expeditions it points to the bird with its nose, body, and tail in a straight line

pointer

(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].

pointer

(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.

pointer

(1) In database management, an address embedded within the data that specifies the location of data in another record or file.

(2) In programming, a variable that holds the address of another variable or the address of the beginning of an array of variables. When a pointer to an array is used, it is made to point to any element in the array by incrementing or decrementing its contents (incrementing or decrementing the address). See subscript.

(3) A symbol used to point to some element on screen. See cursor.

(4) See symbolic link and redirection.
References in periodicals archive ?
Walton joined the Lakers for their morning shootaround, but did little more than try one basketball-related move in order to test his right hip pointer.
Rivers said Keyon Dooling, who missed his seventh consecutive game with a right hip pointer, should be back before the All-Star Game in Orlando on Feb.
Joevan Catron, already slowed by a hip pointer, strained his right knee against USC and didn't practice Friday.
Keyon Dooling was out again with a right hip pointer and isn't expected back any time soon.
The Ducks have two nagging injury issues, a strained groin for Tajuan Porter and a hip pointer for Joevan Catron.
Luke Walton suffered a right hip pointer while chasing after a rebound in the first half and could not return to the game.
Ray Allen scored 22 points in his return after missing the previous three games with a jammed left ankle, but Rajon Rondo (sprained right wrist) missed his sixth in a row, Jermaine O'Neal (swollen left knee) sat out his third straight and Keyon Dooling missed his second in a row with a right hip pointer.
Walton missed both, and then a third shot before leaving the game for good because of a right hip pointer.
Aaron Pflugrad, who returned three first-half punts because regular punt returner Andiel Brown was stiff with a hip pointer, said he found himself gaining confidence the longer he was on the field.