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c++ Programming Glossary: furtherWhy do people say there is modulo bias when using a random number generator? http://stackoverflow.com/questions/10984974/why-do-people-say-there-is-modulo-bias-when-using-a-random-number-generator x rand while x n Hope that helps everyone Works cited and further reading CPlusPlus Reference Eternally Confuzzled share improve..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices has iterator capabilities. You could enhance your code further by using standard algorithms. Depending on what it is you're..
When should you use 'friend' in C++? http://stackoverflow.com/questions/17434/when-should-you-use-friend-in-c may change the name. You can take this simple example further by considering a more complex class such as a Window. Quite..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom now ready to implement the copy and swap idiom. Without further ado our assignment operator is dumb_array operator dumb_array.. Footnotes Why do we set mArray to null Because if any further code in the operator throws the destructor of dumb_array might..
http://stackoverflow.com/questions/4757565/c-forward-declaration tedious quickly. Can you explain forward declaration more further What is the problem if we use it in the main function Thanks...
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public of the members. The access rules we discussed before are further then applied to these members. Code Example Class Base public..
http://stackoverflow.com/questions/6403055/object-destruction-in-c is called stack unwinding . During stack unwinding no further exceptions may leave the destructors of the aforementioned previously..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope something dangerous that could be breaking the rules. For further reading What if C# did allow returning references Coincidentally..
Accessing class members on a NULL pointer http://stackoverflow.com/questions/669742/accessing-class-members-on-a-null-pointer the compiler vendor has the advantage of being able to add further definition to what would otherwise be undefined behavior. Don't..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators be at least as large as the requested size... The standard further imposes ...The pointer returned shall be suitably aligned so.. sub sequently passed to an operator delete . This gives us further important requirements Requirement #2 The memory allocation.. new operator documentation citation from standard follows further down it states If set_new_handler has been used to define a..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops sizes of the arrays n and the CPU cache. So if there is further interest I rephrase the question Could you provide some solid.. vectorization share improve this question Upon further analysis of this I believe this is at least partially caused..
What is “rvalue reference for *this”? http://stackoverflow.com/questions/8610571/what-is-rvalue-reference-for-this temporary for example . Take the following code as a further example struct test2 std unique_ptr int heavy_resource test2..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection points of the paper for skew reduction like that and further processing p Input Output Original image click Code double angle..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement you are left with a scope where a jump will be performed further into the code skipping the initialization. The correct way to..
Possible to call C++ code from C#? http://stackoverflow.com/questions/935664/possible-to-call-c-code-from-c direction to get started doing this and I can do the further reading up on my own Thanks c# .net c unmanaged managed share..
Calling virtual functions inside constructors http://stackoverflow.com/questions/962132/calling-virtual-functions-inside-constructors level of the hierarchy in the current constructor and no further. The C FAQ Lite covers this in section 23.7 in pretty good detail...
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array patterns branch predictors are virtually useless. Further Reading Branch_predictor . As hinted from above the culprit..
Is any part of C++ syntax context sensitive? [duplicate] http://stackoverflow.com/questions/1172939/is-any-part-of-c-syntax-context-sensitive be applied to distinguish expressions from declarations. Further access control ambiguity and type rules must be used to weed..
C++ Accesses an Array out of bounds gives no error, why? http://stackoverflow.com/questions/1239938/c-accesses-an-array-out-of-bounds-gives-no-error-why still the plain old C compatible one. it is not a class. Further C is also built on another rule which makes bounds checking..
Problems with Singleton Pattern http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern accept a paremeter you can no longer effective unit teest. Further you can't stub out the singleton as effectively and your use..
Is C++ context-free or context-sensitive? http://stackoverflow.com/questions/14589346/is-c-context-free-or-context-sensitive be applied to distinguish expressions from declarations. Further access control ambiguity and type rules must be used to weed..
“Launch Failed. Binary Not Found.” Snow Leopard and Eclipse C/C++ IDE issue http://stackoverflow.com/questions/1668447/launch-failed-binary-not-found-snow-leopard-and-eclipse-c-c-ide-issue get the following error Launch Failed. Binary Not Found. Further the binaries branch in the project window on the left is simply..
What use are const pointers (as opposed to pointers to const objects)? http://stackoverflow.com/questions/219914/what-use-are-const-pointers-as-opposed-to-pointers-to-const-objects C compiler doesn't have as many options when I do that. Further I might need it to be volatile which can also be cast but it's..
Why is std::numeric_limits<T>::max() a function? http://stackoverflow.com/questions/2766272/why-is-stdnumeric-limitstmax-a-function value std numeric_limits T max is specified as a function. Further properties of a specific type are given as constants like std..
::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! http://stackoverflow.com/questions/3269809/stdvectorat-vs-operator-surprising-results-5-to-10-times-slower-f is what is the real reason for this performance hit Further more is there any way to make it even faster I'm certainly going..
http://stackoverflow.com/questions/331690/c-source-in-unicode or just that 16 bit first page or whatever it's called . Further more can I use UNICODE for C UNICODE strings like for example..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits suggested by the architecture of the execution environment Further the size of char is described by 3.9.1 as being ... large enough.. long int where sizeof tells us how many bytes the type is. Furthermore it is implementation defined how many bits are in a byte...
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion produces code that runs 350 of the speed of my own on gcc. Further entries are closed due to the whims of the SO community. The..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers a2 std endl n tuple a3 std endl n tuple a4 std endl Further ideas for improvements Implement output for std tuple ... in..
Why is including “using namespace” into a header file a bad idea in C++? http://stackoverflow.com/questions/4872373/why-is-including-using-namespace-into-a-header-file-a-bad-idea-in-c even be noticed until another compilation is attempted. Further the person suffering due to the using statement may not have..
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double bothers to think about them and non existent otherwise. Further reading Agner Fog maintains a nice website with lots of discussion..
What's this STL vs. “C++ Standard Library” fight all about? [closed] http://stackoverflow.com/questions/5205491/whats-this-stl-vs-c-standard-library-fight-all-about was one of them and even there the confusion abounds . Further the C Standard does not contain the text STL anywhere and some..
http://stackoverflow.com/questions/5854581/polymorphism-in-c distraction from more important concepts. Terminology Further categorisation Given the polymorphic mechanisms above we can..
Detailed explanation on how Koenig lookup works with namespaces and why its a good thing? http://stackoverflow.com/questions/8111677/detailed-explanation-on-how-koenig-lookup-works-with-namespaces-and-why-its-a-go a call to A swap which might not be what the user wanted. Further if for some reason both A swap A MyClass A MyClass and std swap..
Repeated typedefs - invalid in C but valid in C++? http://stackoverflow.com/questions/8594954/repeated-typedefs-invalid-in-c-but-valid-in-c object declared without the storage class speciï¬erextern. Further §6.7 3 states If an identifier has no linkage there shall be..
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