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c++ Programming Glossary: logWhat are the Complexity guarantees of the standard containers? http://stackoverflow.com/questions/181693/what-are-the-complexity-guarantees-of-the-standard-containers n erase element O 1 erase range O ln n S count O log n k find O ln n equal range O ln n Lower Bound Upper Bound..
How do I start a new CUDA project in Visual Studio 2008? http://stackoverflow.com/questions/2046228/how-do-i-start-a-new-cuda-project-in-visual-studio-2008 fatal error LNK1120 1 unresolved externals 1 Build log was saved at file d Stuff Programming Visual Studio 2008 Projects..
What's a very easy C++ profiler (VC++)? http://stackoverflow.com/questions/2624667/whats-a-very-easy-c-profiler-vc PROFILE_FUNC creates an object that will use RAII to log the amount of time until the object is destroyed. Both the constructor..
How can a Windows service execute a GUI application? http://stackoverflow.com/questions/267838/how-can-a-windows-service-execute-a-gui-application I need to run applications that present GUI to the current log in user. How do I code in C to allow my service to locate the..
How do exceptions work (behind the scenes) in c++ http://stackoverflow.com/questions/307610/how-do-exceptions-work-behind-the-scenes-in-c if throwit throw MyException void another_function void log unsigned count void my_catching_function log 0 try log 1 another_function.. void log unsigned count void my_catching_function log 0 try log 1 another_function log 2 catch const MyException e.. log unsigned count void my_catching_function log 0 try log 1 another_function log 2 catch const MyException e log 3 log..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c using our File class. Let's say we want to use a file as a log. This means we want to open our file in append only mode File.. important just that we've got a file to be used as a log Now let's set our file as the log for a couple of other objects.. a file to be used as a log Now let's set our file as the log for a couple of other objects void setLog const Foo foo const..
C/C++: switch for non-integers http://stackoverflow.com/questions/4165131/c-c-switch-for-non-integers the number of cases while that piece of code could cost O log n at the worst case with a binary search. Using some data structs.. be possible to obtain an integer representing the string O log n and then use an O 1 switch or one could implement a static..
C++ : Catch a divide by zero error http://stackoverflow.com/questions/4747934/c-catch-a-divide-by-zero-error error message. Using this you can close any resources or log an error after a division by zero or a null pointer dereference.....
http://stackoverflow.com/questions/58210/c-smtp-example n Write some data then read some read_socket SMTP Server logon string send_socket HELO introduce ourselves read_socket Read.. . r n read_socket send_socket QUIT quit read_socket log off Close socket and finish close sock exit 0 share improve..
http://stackoverflow.com/questions/5854581/polymorphism-in-c a fiddly distraction from more important concepts. Terminology Further categorisation Given the polymorphic mechanisms above.. slower strlen or not printing as useful a message in the log . The functions may still employ parametric polymorphism duck.. the question relates C features to the Comp. Sci. terminology. Discussion With the C Standard using a narrower definition..
Why would one replace default new and delete operators? http://stackoverflow.com/questions/7149461/why-would-one-replace-default-new-and-delete-operators the life of the allocated block and operator delete can log that fact along with the value of the offending pointer thus..
C++ iostream Corruption using stringstream http://stackoverflow.com/questions/10110048/c-iostream-corruption-using-stringstream so here's the approach I tried Threadsafe logger class Logger public Logger InitializeCriticalSection s ~Logger DeleteCriticalSection.. the approach I tried Threadsafe logger class Logger public Logger InitializeCriticalSection s ~Logger DeleteCriticalSection.. class Logger public Logger InitializeCriticalSection s ~Logger DeleteCriticalSection s void Log std ostream const os EnterCriticalSection..
How to allow templated functor work on both member and non-member functions http://stackoverflow.com/questions/17218712/how-to-allow-templated-functor-work-on-both-member-and-non-member-functions typename RetType typename Arg1Type typename Class class Logger public RetType operator Arg1Type s ... if func 0 parser 0.. func s else if nfunc 0 return nfunc s return RetType Logger operator RetType fun Arg1Type s ... func fun return this.. parser Now I can call this class using something like this Logger int const char WinLogger p1 WinLogger w1 p1.Bind w1 WinParser..
How do I build boost with new Visual Studio 2013 preview? http://stackoverflow.com/questions/17440810/how-do-i-build-boost-with-new-visual-studio-2013-preview builds just fine. If you really really need Boost 1.54 new Log library looks good try to apply this diff patch to your Boost..
Header guards do not seem to work? http://stackoverflow.com/questions/18579340/header-guards-do-not-seem-to-work DEBUG_H #include QString class Debug public static void Log QString Message #endif DEBUG_H debug.cpp #include constant.h.. constant.h #include debug.h #include QDebug static void Log QString Message if IF_DEBUG_ENABLED qDebug Message It says problem.. #include debug.h int main int argc char argv Debug Log New application has been run c header files share improve..
http://stackoverflow.com/questions/2843277/c-winsock-p2p HelloWorld whatever the underlying network feels like.. Log almost everything Debugging a network program is hard because..
http://stackoverflow.com/questions/3065154/undefined-reference-to-vtable CDasherModule pEventHandler pSettingsStore iID 0 szName g_pLogger Log Inside game module constructor m_pInterface pInterface.. pEventHandler pSettingsStore iID 0 szName g_pLogger Log Inside game module constructor m_pInterface pInterface virtual.. GetUntypedTarget bool DecorateView CDasherView pView g_pLogger Log Decorating the view return false void SetDasherModel..
What are some reasons a Release build would run differently than a Debug build http://stackoverflow.com/questions/312312/what-are-some-reasons-a-release-build-would-run-differently-than-a-debug-build the classic warning multiple errors #ifdef DEBUG #define Log x cout #x x n #else #define Log x #endif if foo Log x if bar.. #ifdef DEBUG #define Log x cout #x x n #else #define Log x #endif if foo Log x if bar Run Which in a release build evaluates.. Log x cout #x x n #else #define Log x #endif if foo Log x if bar Run Which in a release build evaluates to if foo bar..
static variable link error [duplicate] http://stackoverflow.com/questions/9282354/static-variable-link-error when compiling Undefined symbols for architecture i386 Log theString referenced from Log method std string in libTest.a.. for architecture i386 Log theString referenced from Log method std string in libTest.a Log.o ld symbol s not found for.. referenced from Log method std string in libTest.a Log.o ld symbol s not found for architecture i386 clang error linker..
Are all macros evil? [duplicate] http://stackoverflow.com/questions/319452/are-all-macros-evil do without the preprocessor or messy duplication #define LOG x std cout expression #x evaluates to x n int x 23 LOG 23 LOG.. LOG x std cout expression #x evaluates to x n int x 23 LOG 23 LOG x LOG x x The same goes for writing macros that pass.. x std cout expression #x evaluates to x n int x 23 LOG 23 LOG x LOG x x The same goes for writing macros that pass __FILE__..
visual c++ 2010 can't add resource file http://stackoverflow.com/questions/4488794/visual-c-2010-cant-add-resource-file
error: switch quantity not an integer http://stackoverflow.com/questions/4535825/error-switch-quantity-not-an-integer std string Calculator TAN tan const std string Calculator LOG log const std string Calculator LOG10 log10 void Calculator.. std string Calculator LOG log const std string Calculator LOG10 log10 void Calculator set_command std string cmd for unsigned.. const switch command case TAN case SIN case COS case LOG case LOG10 return true break default return false break the..
How to get a list video capture devices NAMES (web cameras) using Qt (crossplatform)? (C++) http://stackoverflow.com/questions/4637594/how-to-get-a-list-video-capture-devices-names-web-cameras-using-qt-crossplatf req_size devices CDevice malloc req_size if devices NULL LOG ERROR... return false buffer_size req_size Try to enumerate... req_size count if ret C_SUCCESS ret C_BUFFER_TOO_SMALL LOG ERROR... return false while buffer_size req_size if count 0.. return false while buffer_size req_size if count 0 LOG ERROR... return false for quint32 i 0 i count i CDevice device..
C++: optimizing function with no side effects http://stackoverflow.com/questions/6623879/c-optimizing-function-with-no-side-effects C to declare that a function has no side effects Consider LOG message .SetCategory GetCategory Now suppose that the LOG macro.. LOG message .SetCategory GetCategory Now suppose that the LOG macro in release builds creates a NullLogEntry object that has..
Is there a way to get function name inside a C++ function? http://stackoverflow.com/questions/733056/is-there-a-way-to-get-function-name-inside-a-c-function MAX_PATH _stprintf strLog _T Entering Func s m_strFuncName LOG strLog m_dwEnterTime GetTickCount ~FuncTracer TCHAR strLog.. the func d ms m_strFuncName GetTickCount m_dwEnterTime LOG strLog private TCHAR m_strFuncName MAX_PATH DWORD m_dwEnterTime.. macro inside the constructor. Smth like #define ALLOC_LOGGER FuncTracer ____tracer __FUNCTION__ share improve this answer..
Why C++ lambda is slower than ordinary function when called multiple times? http://stackoverflow.com/questions/8611756/why-c-lambda-is-slower-than-ordinary-function-when-called-multiple-times algorithm #include iostream #include ctime #define LOG x std cout #x x n #define TIME t std cout double clock t CLOCKS_PER_SEC.. clock out 0.0 for size_t i 0 i MAX i out sum v TIME clk LOG out std cout nlambda n clk clock out 0.0 for size_t i 0 i MAX.. MAX i std for_each v.cbegin v.cend double d out d TIME clk LOG out return 0 Here is the result of this program compiled in..
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