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c++ Programming Glossary: couldWhy 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 I admit it's not the best analogy since the train could just signal the direction with a flag. But in computers the..
What is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor call but for an int Makes no sense for me. Perhaps someone could enlighten me. And by the way are there any other esoteric language..
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c of copying the extracted tokens to an output stream one could insert them into a container using the same generic copy algorithm...
http://stackoverflow.com/questions/3106110/what-is-move-semantics important because during the initialization of b and c we could do whatever we wanted with the source string and the client.. whatever we wanted with the source string and the client couldn't tell a difference C 0x introduces a new mechanism called.. Again the key insight is that under no circumstance could the client detect that the source had been modified. Since we..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom this check is a waste. It would be better if the operator could work properly without it. The second is that it only provides.. the parameter argument is taken by value . While one could just as easily do the following and indeed many naive implementations..
http://stackoverflow.com/questions/4421706/operator-overloading operators are merely syntactic sugar their actual work could be done by and often is forwarded to plain functions. But it.. not be able to do the same for user defined types which could be something as innocently looking as a list iterator . Once..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c variable discernible by the small box next to x but it could just as well be the result of a function returning a pointer.. behavior in C but not in C99 . Also note that you could simply provide x as the first argument. That is a little too..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords U that should only be instantiated for types that could actually be in the union. Trying to cast a Union bool float.. t x refers to if t refers to a template type parameter x could be a static data member or member function non type or could.. be a static data member or member function non type or could equally well be a nested class or typedef. Dependencies In template..
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 you got lucky. Someone else's book can be there and yours could be in the hotel's furnace. Someone could be there right when.. there and yours could be in the hotel's furnace. Someone could be there right when you come in tearing your book to pieces... when you come in tearing your book to pieces. The hotel could have removed the table and book entirely and replaced it with..
http://stackoverflow.com/questions/11004273/what-is-stdpromise beyond its class synopsis and neither does just thread . Could someone please give a brief succinct example of a situation..
What is a “translation unit” in C++ http://stackoverflow.com/questions/1106149/what-is-a-translation-unit-in-c by Meyers and came across the term translation unit . Could somebody please give me an explanation of 1 What exactly it..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code is &ldquo cache friendly&rdquo code Could someone possibly give an example of cache unfriendly code and..
How to filter items from a std::map? http://stackoverflow.com/questions/180516/how-to-filter-items-from-a-stdmap items from a std map I have roughly the following code. Could this be made nicer or more efficient Perhaps using std remove_if..
What is the point of function pointers? http://stackoverflow.com/questions/2592137/what-is-the-point-of-function-pointers it's better or unavoidable to use a function pointer. Could you give some example of good use of function pointers in C..
http://stackoverflow.com/questions/2712076/how-to-use-an-iterator something wrong with the way I use iterator in vector. Could somebody help I posted the code below. typedef struct point..
http://stackoverflow.com/questions/357600/is-const-cast-safe or volatile ness of a variable. This makes me nervous. Could using a const_cast cause unexpected behavior If so what Alternatively..
http://stackoverflow.com/questions/3749099/why-should-the-implementation-and-the-declaration-of-a-template-class-be-in-the declaration of a template class be in the same header file Could any of you explain it by example c templates share improve..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c real advantage What are the problems of static and stack Could I write an entire application without allocating variables in..
Semantics of flags on basic_ios http://stackoverflow.com/questions/4258887/semantics-of-flags-on-basic-ios in basic_ios operator operator bool and operator void . Could somebody put me out of my misery and explain this so I never..
In which scenario do I use a particular STL Container? http://stackoverflow.com/questions/471432/in-which-scenario-do-i-use-a-particular-stl-container not yet grasp is in which scenario each of them is used. Could a kind person explain this to me Example code is much prefered...
Generating random integer from a range http://stackoverflow.com/questions/5008804/generating-random-integer-from-a-range give me ratio of 37 50 13 for values values 1 0. 1. Could you please suggest better formula or even whole pseudo random..
How can I create cartesian product of vector of vectors? http://stackoverflow.com/questions/5279051/how-can-i-create-cartesian-product-of-vector-of-vectors interpret that as I'm not that familiar with the language. Could some body help me with this. #include iostream #include iomanip..
What makes more sense - char* string or char *string? [duplicate] http://stackoverflow.com/questions/558474/what-makes-more-sense-char-string-or-char-string format. This applies to references as well obviously. Could someone tell me if there is a logical reason for the latter..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order these operations being short circuited for they may not. Could someone please point out where in the standard it's said logic..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible programmer. I'm not really sure what he means by that. Could anyone clarify why objects should be created by value in C as..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti before but I don't see it in the Related Questions list. Could you C developers please give us a good description of what RAII..
Audio output with video processing with opencv http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv pCodec 0 fprintf stderr Unsupported codec n exit 1 Could not open codec int main int argc char argv if argc 2 std cout.. SDL_INIT_AUDIO SDL_INIT_TIMER fprintf stderr Could not initialize SDL s n SDL_GetError return 1 Init ffmpeg and..
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 So if there is further interest I rephrase the question Could you provide some solid insight into the details that lead to..
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