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Pointing breed - Wikipedia, the free encyclopedia Pointers were selectively bred for dogs who had this natural trait. As an example, German Shorthair Pointers are often used to retrieve birds duck hunting whereas, calling upon an English pointer to do the same would be highly unusual. The name pointer most likely comes from the dog's stance when they locate game; many dogs point naturally at interesting noises or possible prey by lifting one paw and tucking it under their chests, with their nose extended and tail straight behind. en.wikipedia.org /wiki/Pointer_(dog)   (406 words)

Pointers Pointers are at the heart of C. When you crack this subject, you have got the worst of C behind you. So far we have looked at pointers to data, but there is no reason why we should not define a pointer to a pointer. Pointers to functions can be used to create 'callback' functions. www.phim.unibe.ch /comp_doc/c_manual/C/CONCEPT/pointers.html   (715 words)

Pointers - MYCPLUS Pointers provide a way to return multiple data items from a function via function arguments to be specified as arguments to a given function. Pointers are also closely associated with arrays and therefore provide an alternate way to access individual array elements. For example, pointers can be used to pass information back and forth between a function and its reference point. www.mycplus.com /cplus.asp?CID=6   (434 words)

LaserInstitute.org - Laser Pointer Safety Pointers are also used for other purposes such as the aligning of other lasers, laying pipes in construction, and as aiming devices for firearms. The difference is laser light from pointers poses a much greater risk to the eye than the relatively primitive method used by children in days past. Laser pointers are designed to illustrate inanimate objects. www.laserinstitute.org /publications/safety_bulletin/laser_pointer   (1072 words)

Pointers Pointers enable us to effectively represent complex data structures, to change values as arguments to functions, to work with memory which has been dynamically allocated, and to more concisely and efficiently deal with arrays. Lets see how pointers actually work with a simple example, The following program illustrates another way to use pointers, this time with characters, www.xploiter.com /mirrors/cprogram/c_076.htm   (300 words)

Chapter 22: Pointers to Pointers Another good use for pointers to pointers is in dynamically allocated, simulated multidimensional arrays, which we'll discuss in the next chapter. As a final example, let's look at how pointers to pointers can be used to eliminate a nuisance we've had when trying to insert and delete items in linked lists. One use is returning pointers from functions, via pointer arguments rather than as the formal return value. www.eskimo.com /~scs/cclass/int/sx8.html   (1292 words)

Chapter 10: Pointers Pointers are often thought to be the most difficult aspect of C. It's true that many people have various problems with pointers, and that many programs founder on pointer-related bugs. As long as you're careful to ensure that the pointers in your programs always point to valid memory, pointers can be useful, powerful, and relatively trouble-free tools. In an analogous way, pointer variables in C contain pointers to other variables or memory locations. www.eskimo.com /~scs/cclass/notes/sx10.html   (470 words)

Advanced Pointer Topics Pointer to a function are perhaps on of the more confusing uses of pointers in C. Pointers to functions are not as common as other pointer uses. However, one common use is in a passing pointers to a function as a parameter in a function call. Further examples of standard library and system calls that use pointers to functions may be found in Chapters 15.4 and 19.1. www.cs.cf.ac.uk /Dave/C/node12.html   (863 words)

Pointers This is the conversion specifier for all pointers. Pointers are designed for storing memory address i.e. There are two new operators you will need to know to work with pointers. www.nongnu.org /c-prog-book/online/c620.html   (249 words)

F90 pointers However, Cray pointers may not be available on new computer architectures. Fortran 90 pointers are not currently available in CF77, but are available on the IBM RS/6000 cluster and will be available on most computer architectures in the near future. A pointer is an attribute in Fortran 90. www.cisl.ucar.edu /tcg/consweb/Fortran90/scnpoint.html   (1587 words)

Cprogramming.com Tutorial: Pointers Pointers require a bit of new syntax because when you have a pointer, you need the ability to request both the memory location it stores and the value stored at that memory location. Moreover, since pointers are somewhat special, you need to tell the compiler when you declare your pointer variable that the variable is a pointer, and tell the compiler what type of memory it points to. For example, using pointers is one way to have a function modify a variable passed to it. www.cprogramming.com /tutorial/lesson6.html   (1540 words)

C Programming Tutorial: Pointers The reason why pointers are hard to understand is because they aren't taught in a manner that is understandable. Pointers are also essential in creating larger custom data structures, such as linked lists. A pointer is a reference to an area of memory in the heap. vergil.chemistry.gatech.edu /resources/programming/c-tutorial/pointers.html   (972 words)

Pointers   Pointer are a fundamental part of C. If you cannot use pointers properly then you have basically lost all the power and flexibility that C allows. Pointers and arrays are very closely linked in C. Hint: think of array elements arranged in consecutive memory locations. The reason we associate a pointer to a data type is so that it knows how many bytes the data is stored in. www.cs.cf.ac.uk /Dave/C/node10.html   (1551 words)

Pointers We decided to add Pointers to the kennel to further expand our knowledge of pointing breeds and to have another breed that could be used for hunting and field trialing. Pointers are known to excel in hot temperatures and southeastern Alberta can become quite hot in the summer. Pointers are the newest addition to Lomula Kennels. www.sportingdogranch.com /mlambkin/lompointer.htm   (79 words)

Pointers Pointers have been used to implement reference parameters on the run-time stack, arrays names were seen as pointers, and the this pointer was used with objects, just to name three uses. Pointers also come into play when we want to allocate a chunk of memory while our program is running. A pointer is probably implemented as the main memory address (or some variation on this) of the item to which it points. cis.stvincent.edu /swd/pointers/pointers.html   (1987 words)

Pointer Basics Pointers and Memory --a 31 page explanation of the common features and techniques for using pointers and memory in C and other languages. Unfortunately there is no fixed term for the thing that the pointer points to, and across different computer languages there is a wide variety of things that pointers point to. We use the term pointee for the thing that the pointer points to, and we stick to the basic properties of the pointer/pointee relationship which are true in all languages. cslibrary.stanford.edu /106   (1435 words)

A Tutorial on Pointers and Arrays in C Chapter 9: Pointers and Dynamic Allocation of Memory A Tutorial on Pointers and Arrays in C A TUTORIAL ON POINTERS AND ARRAYS IN C pweb.netcom.com /~tjensen/ptr/pointers.htm   (42 words)

What`s the Address? Pointers While the syntax of declaring a pointer is almost the same as declaring the variables and constants which store a value rather than an address, the meaning of the data type in the declaration of a pointer is different than in the declaration of those other variables and constants. However, with a pointer, the data type in the declaration means something different, namely the data type of another variable (or constant) whose memory address is the value of the pointer. When the variable is a pointer, that leftover value is interpreted as another memory address, which the pointer then tries to access when you attempt to use it. www.devshed.com /c/a/Practices/Whats-the-Address-Pointers   (1785 words)

Smart Pointers > 1 Smart Pointers 101 This chapter discusses smart pointers, from their simplest aspects to their most complex ones and from the most obvious errors in implementing them to the subtlest ones—some of which also happen to be the most gruesome. In addition to sporting pointer syntax and semantics, smart pointers often perform useful tasks—such as memory management or locking—under the covers, thus freeing the application from carefully managing the lifetime of pointed-to objects. A smart pointer is a C++ class that mimics a regular pointer in syntax and some semantics, but it does more. www.informit.com /content/index.asp?product_id={7CBDD5B1-129D-427A-9C36-9C506D3DFABA}   (557 words)

Pointers in COBOL Pointers are mainly useful for stitching together various data objects to form a data structure. For one thing, pointers are more characteristic of C, Pascal, and other languages; they are somewhat alien to the traditional COBOL culture. Pointers can sometimes simplify the interface to a subprogram, especially in an IMS program. home.swbell.net /mck9/cobol/tech/cobolptr.html   (803 words)

Pointers and Arrays - Part II This suggests that a pointer (as pointers store addresses) should be capable enough to store, at least, a 32-bit value; no matter if it points to an integer or a character. is analogous to a pointer to an element of an array of length one. A pointer to an lvalue of an object of static storage duration. geocities.com /vijoeyz/articles/c/pna/pna2.html   (3721 words)

Pointer, Pointers, breeders, puppies, for sale, dogs Pointers are not designed for apartment life or a first dog as they have tremendous energy which must be directed into some task. Owners of a Pointer must tolerate the dog's high strung, task-oriented temperament. Pointer should consist of a quick rub with a rough cloth a few times a week. www.puppydogweb.com /caninebreeds/pointers.htm   (268 words)

English Pointers This was the beginning of the well known Elhew Pointers. Frank of Sunnylawn was chosen by the younger Wehle to be the initial sire for his future Elhew Line of Pointers. The Pointer and other breeds of dogs initially were valued almost entirely according to their merit for practical purposes. www.numarkkennel.com /new_page_2.htm   (283 words)

Pointers - C# to IL A pointer also needs to be typed, so that it can point to memory locations that contain data of the same type. Pointer are not interpreted as memory locations to a particular data type, but as numbers. The most important thing about this type of pointer is that, it must be reported to the garbage collector, in spite of the fact that, it points to managed memory. www.vijaymukhi.com /documents/books/ilbook/chap7.htm   (2706 words)

Embedded.com - References vs. Pointers The big difference between pointers and references is that you must use an explicit operator-the * operator-to dereference a pointer, but you don't use an operator to dereference a reference. The difference between pointer and reference declarations is noteworthy, but it's not the basis for deciding to use one over the other. If the pointer happens to be null at the time of the reference definition, the reference is a null reference. www.embedded.com /story/OEG20010311S0024   (1866 words)

Pointers (12.3) Use pointers to specify a matrix in such a way, that it is given its size (its extent) in a subroutine but can be used in the main program. Pointers in Fortran 90 are thus not memory addresses as in other programming languages (and in certain Fortran implementations) but rather an extra name (alias). Pointers have been included in Fortran 90, but not in the usual way as in most other languages, with pointer as a specific data type. www.nsc.liu.se /~boein/f77to90/c12.html   (1005 words)

POINTERS - MYCPLUS This is a pointer review and if you are comfortable with the use of pointers, you can skip this example program completely. Examine the program named POINTERS.CPP for a simple example of the use of pointers. It is not possible to write a C program of any significant size or complexity without the use of pointers. www.mycplus.com /cplus.asp?ID=11&CID=56   (440 words)

CS202 pointers on Fri Sep 17 10:46:40 PDT 2004 Pointers are hard to understand because they are part of the machine's way of doing business. The storage that a pointer points at is usually explicitly created and destroyed as the program runs. A pointer is actually the index of a very large array of data. www.csci.csusb.edu /dick/cs202/pointers.html   (2996 words)

Smart Software: Pointers However, not CLS compliant, pointers do need to work in Reflection, and the framework does provide a mechanism to box pointers through the System.Reflection.Pointer class, which is derived from System.Object. TypedReference is essentially one of two managed pointer types supported in IL and maintains both the pointer value and the type of the value pointed to. On the other hand, the type given by typeof(p), where p is a pointer, is a specially constructed pointer type, distinct from the Pointer type, with no base type (meaning it does not derive from object). wesnerm.blogs.com /net_undocumented/2005/06/pointers.html   (533 words)

Smart Pointers Conceptually, smart pointers are seen as owning the object pointed to, and thus responsible for deletion of the object when it is no longer needed. Smart pointers are particularly useful in the face of exceptions as they ensure proper destruction of dynamically allocated objects. Smart pointers are objects which store pointers to dynamically allocated (heap) objects. boost.org /libs/smart_ptr/smart_ptr.htm   (1086 words)

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