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c++ Programming Glossary: otherwiseDetecting endianness programmatically in a C++ program http://stackoverflow.com/questions/1001307/detecting-endianness-programmatically-in-a-c-program
http://stackoverflow.com/questions/1008019/c-singleton-design-pattern these two. You want to make sure they are unaccessable otherwise you may accidently get copies of your singleton appearing. S..
In C++ source, what is the effect of extern “C”? http://stackoverflow.com/questions/1041866/in-c-source-what-is-the-effect-of-extern-c with distinct language linkages are distinct types even if otherwise identical linkage specs nest inner one determines the final..
http://stackoverflow.com/questions/114180/pointer-vs-reference
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions since it was added. Reading comments on SO might imply otherwise but the code doesn't actually do anyone any harm. Noone killed..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor throws from Appendix E3.2 . This article seems to say otherwise that throwing destructors are more or less okay. So my question..
What is external linkage and internal linkage in C++ http://stackoverflow.com/questions/1358400/what-is-external-linkage-and-internal-linkage-in-c any const. variable in internally link by default unless otherwise stated as extern. What does this mean. c c faq share improve..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier associated headers is included unless explicitly stated otherwise see 7.1.4 . All identifiers with external linkage in any of..
Is it possible to write a C++ template to check for a function's existence? http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence defined So if class T has toString defined then it uses it otherwise it doesn't. The magical part that I don't know how to do is..
http://stackoverflow.com/questions/2979209/using-fflushstdin to the host environment to be written to the file otherwise the behavior is undefined. So it's not a question of how bad..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom Let's consider a concrete case. We want to manage in an otherwise useless class a dynamic array. We start with a working constructor..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward if it was an lvalue we have an lvalue reference parameter otherwise we have an rvalue reference parameter. In code template typename..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux how it works. Suppose there is some instruction I call or otherwise which is on the call stack some fraction f of the time and thus..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring toolkit... § unless you use a toolkit framework saying otherwise 2. Can std string hold all the ASCII character set including..
http://stackoverflow.com/questions/4421706/operator-overloading value_type must be of class or struct or union type otherwise their implementation results in a compile time error. The unary..
http://stackoverflow.com/questions/6438086/iterator-invalidation-rules 1 list as per insert erase 23.2.2.2 1 Note 1 Unless otherwise specified either explicitly or by defining a function in terms..
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 we're done using this page of stack now. Until I say otherwise issue an exception that destroys the process if anyone touches..
What is the difference between _tmain() and main() in C++? http://stackoverflow.com/questions/895827/what-is-the-difference-between-tmain-and-main-in-c which if Unicode is enabled is compiled as wmain and otherwise as main . As for the second part of your question the first..
What is the difference between char a[] = “string”; and char *p = “string”; http://stackoverflow.com/questions/9460260/what-is-the-difference-between-char-a-string-and-char-p-string better search results when users search using google or otherwise. Please Do not modify the title again As the heading says What..
http://stackoverflow.com/questions/988158/take-the-address-of-a-one-past-the-end-array-element-via-subscript-legal-by-the array object the evaluation shall not produce an overflow otherwise the behavior is undefined . emphasis mine Of course this is for..
How can I efficiently select a Standard Library container in C++11? http://stackoverflow.com/questions/10699265/how-can-i-efficiently-select-a-standard-library-container-in-c11 sorted then you need an ordered associative container Otherwise jump to the question 2. Question 1.1 Ordered If you do not need.. when the container itself is modified then use some list Otherwise jump to question 3. Question 2.1 Which Settle for a list a forward_list.. the traditional C array but with convenient functions. Otherwise jump to question 4. Question 4 Double ended If you wish to be..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol one translation unit you need to use the inline keyword. Otherwise you need to keep only the declaration of your function in header.h..
Static linking vs dynamic linking http://stackoverflow.com/questions/1993390/static-linking-vs-dynamic-linking spent running library code this can make a big difference. Otherwise 1 still applies. c c dynamic linking static linking share..
Difference between float and double http://stackoverflow.com/questions/2386772/difference-between-float-and-double accumulate quickly. If you're using Python use fsum . Otherwise try to implement the Kahan summation algorithm . 1 The C and..
What's a very easy C++ profiler (VC++)? http://stackoverflow.com/questions/2624667/whats-a-very-easy-c-profiler-vc you can use the Visual Studio profiler . Other options Otherwise check this thread . Creating your own easily I personally use..
http://stackoverflow.com/questions/2712076/how-to-use-an-iterator probably because you have a using namespace std somewhere. Otherwise vector would have to be std vector . That's something I would..
Why should I not wrap every block in “try”-“catch”? http://stackoverflow.com/questions/2737328/why-should-i-not-wrap-every-block-in-try-catch an exception when it can handle it in some sensible way. Otherwise pass it on up in the hope that a method higher up the call stack..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward the template argument with an lvalue reference to A. Otherwise we deduce normally. This gives so called universal references..
Combining C++ and C - how does #ifdef __cplusplus work? http://stackoverflow.com/questions/3789340/combining-c-and-c-how-does-ifdef-cplusplus-work header that way you will be able to link with the library. Otherwise your linker would be looking for functions with names like _Z1hic..
http://stackoverflow.com/questions/5368862/why-do-multiple-inherited-functions-with-same-name-but-different-signatures-not there is an ambiguity and the program is ill formed . Otherwise that set is the result of the lookup. class A public int f int..
http://stackoverflow.com/questions/6403055/object-destruction-in-c aforementioned previously constructed automatic objects. Otherwise the function std terminate is called. This leads to one of the..
http://stackoverflow.com/questions/670308/alternative-to-vectorbool question Use std deque if you don't need the array yes. Otherwise use an alternative vector that doesn't specialize on bool such..
Difference between try-catch syntax for function http://stackoverflow.com/questions/6756931/difference-between-try-catch-syntax-for-function of the function try block of a constructor or destructor. Otherwise a function returns when control reaches the end of a handler..
Why do we need extern “C”{ #include <foo.h> } in C++? http://stackoverflow.com/questions/67894/why-do-we-need-extern-c-include-foo-h-in-c extern C ... when including a c header it's that simple. Otherwise you'll have a mismatch in compiled code and the linker will..
Create WCF service for unmanaged C++ clients http://stackoverflow.com/questions/686452/create-wcf-service-for-unmanaged-c-clients to host it. If you already have this skip to Step 7 below. Otherwise create a Windows NT Service following the steps from here ...
Is pass-by-value a reasonable default in C++11? http://stackoverflow.com/questions/7592630/is-pass-by-value-a-reasonable-default-in-c11 T U u V v public T U u V v u std move u v std move v Otherwise passing by reference to const still is reasonable. share improve..
C++ char* vs std::string [closed] http://stackoverflow.com/questions/801209/c-char-vs-stdstring and you can be sure it gets deallocated like it should. Otherwise std vector is the way to go. There are probably exceptions to..
how to find the location of the executable in C http://stackoverflow.com/questions/933850/how-to-find-the-location-of-the-executable-in-c If argv 0 starts with absolute path this is the path. Otherwise if argv 0 contains relative path append it to cwd assuming it.. append it to cwd assuming it hasn't been changed yet . Otherwise search directories in PATH for executable argv 0 . Afterwards..
What is the closest thing windows has to fork()? http://stackoverflow.com/questions/985281/what-is-the-closest-thing-windows-has-to-fork problem is solved in the case performance is not an issue. Otherwise you can take a look at how Cygwin implements fork . From a quite..
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