¡@
c++ Programming Glossary: inWhat can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux can I use to profile C code in Linux I have a C application I'm in the process of optimizing... can I use to profile C code in Linux I have a C application I'm in the process of optimizing... use to profile C code in Linux I have a C application I'm in the process of optimizing. What tool can I use to pinpoint my..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three is The Rule of Three What does copying an object mean What are the copy constructor and the copy assignment.. to declare them myself How can I prevent my objects from being copied c copy constructor assignment operator c faq rule of.. this question Introduction C treats variables of user defined types with value semantics . This means that objects are implicitly..
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix the following errors with gcc home AbiSfw ccvvuHoX.o In function `main' prog.cpp .text 0x10 undefined reference to `x'.. 0x2d undefined reference to `A ~A ' home AbiSfw ccvvuHoX.o In function `B ~B ' prog.cpp .text._ZN1BD1Ev B ~B 0xb undefined.. 0xb undefined reference to `A ~A ' home AbiSfw ccvvuHoX.o In function `B ~B ' prog.cpp .text._ZN1BD0Ev B ~B 0x12 undefined..
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 all the other possibilities are almost impossible 0.001 . In other words our prior certainty is that I is cheap. Then we..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three c faq rule of three share improve this question Introduction C treats variables of user defined types with value.. or should not be copied such as file handles or mutexes. In that case simply declare the copy constructor and copy assignment.. resources in a single class this will only lead to pain. In that case remember the rule of three If you need to explicitly..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points side effect s . For example int x y where y is also an int In addition to the initialization operation the value of y gets.. program construct or erroneous data for which this International Standard imposes no requirements 3 . Undefined behaviour.. 3 . Undefined behaviour may also be expected when this International Standard omits the description of any explicit definition..
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 &ldquo template&rdquo and &ldquo typename&rdquo keywords In templates where and why do I have to put typename and template.. c 11 c faq dependent name share improve this question Introduction This answer tries to focus on the basic aspects in.. should be handled in another answer or another FAQ entry. In order to parse a C program you need to know for certain names..
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 sneak back into my room later a contract which you broke . In this situation anything can happen . The book can be there you.. than you has checked out. So let's think about the stack. In many operating systems you get one stack per thread and the.. middle of some entirely valid million byte memory block. In our analogy you check out of the hotel when you do you just..
LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup http://stackoverflow.com/questions/11247699/lnk2019-unresolved-external-symbol-main-referenced-in-function-tmaincrtstar security check No http social.msdn.microsoft.com Forums hi IN vclanguage thread e2ea62c3 beb3 47a4 8963 60b799e3375a Options.. Entry Point main http social.msdn.microsoft.com Forums hi IN vclanguage thread e2ea62c3 beb3 47a4 8963 60b799e3375a commented..
How to get list of GDI handles http://stackoverflow.com/questions/13905661/how-to-get-list-of-gdi-handles open the process HANDLE hProcess OpenProcess PROCESS_QUERY_INFORMATION PROCESS_VM_READ FALSE dwId DWORD err 0 if hProcess.. return 1 determine if 64 or 32 bit processor SYSTEM_INFO si GetNativeSystemInfo si NOTE as this is undocumented it.. as a 32 bit process in a 64 bit process PROCESS_BASIC_INFORMATION_WOW64 pbi ZeroMemory pbi sizeof pbi get process information..
Branchless code that maps zero, negative, and positive to 0, 1, 2 http://stackoverflow.com/questions/1610836/branchless-code-that-maps-zero-negative-and-positive-to-0-1-2 and with a bit of luck it could save a whole instruction IN THEORY. MY ASSEMBLER IS RUSTY subl edi esi setnz eax sarl 31..
Implementing B=f(A), with B and A arrays and B already defined http://stackoverflow.com/questions/16254797/implementing-b-fa-with-b-and-a-arrays-and-b-already-defined leaks Thank you. EDIT SUMMARY OF THE SOLUTIONS PROVIDED IN THE ANSWERS BELOW Thanks to RiaD James Kanze Shahbaz and Razispio..
Rendering issue with different computers http://stackoverflow.com/questions/18064988/rendering-issue-with-different-computers x86 platforms Breakpoints that should ALWAYS trigger EVEN IN RELEASE BUILDS x86 #ifdef _MSC_VER # define eTB_CriticalBreakPoint.. recent driver OpenGL 4.x era SUPER VERBOSE DEBUGGING if glDebugMessageControlARB NULL glEnable GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB..
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp? http://stackoverflow.com/questions/3246803/why-use-ifndef-class-h-and-define-class-h-in-h-file-but-not-in-cpp variables in class.cpp IF AND ONLY IF THEY ARE DECLARED IN class.h . I hope this was helpful. share improve this answer..
“undefined reference” to a template class function http://stackoverflow.com/questions/4368440/undefined-reference-to-a-template-class-function relevant part of the code is below if it helps. THANKS IN ADVANCE This is what i have in main #include arrayclass.h #include..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android method from c in Android THE SOLUTION TO THIS PROBLEM IS IN THE BOTTOM OF THE QUESTION Hi. I'm trying to get a simple java..
How to return text from Native (C++) code http://stackoverflow.com/questions/5308584/how-to-return-text-from-native-c-code of things e.g passing string stringbuilder by ref using IN and OUT Marshaling to LPSTR returning string from function etc...
Windows 7 timing functions - How to use GetSystemTimeAdjustment correctly? http://stackoverflow.com/questions/7685762/windows-7-timing-functions-how-to-use-getsystemtimeadjustment-correctly fileStart GetSystemTimeAsFileTime fileStart ULARGE_INTEGER start start.HighPart fileStart.dwHighDateTime start.LowPart.. for int i 20 i 0 i FILETIME timeStamp1 ULARGE_INTEGER ts1 GetSystemTimeAsFileTime timeStamp1 ts1.HighPart timeStamp1.dwHighDateTime.. be set by using the API call NTSTATUS NtSetTimerResolution IN ULONGRequestedResolution IN BOOLEANSet OUT PULONGActualResolution..
Check if a class has a member function of a given signature http://stackoverflow.com/questions/87372/check-if-a-class-has-a-member-function-of-a-given-signature that is in boost serialization namespace so you have IN YOUR CLIENT CODE to open namespace boost and namespace serialization.. sure if I understand you correctly but you may exploit SFINAE to detect function presence at compile time. Example from.. template typename U size_t U const struct SFINAE template typename U static char Test SFINAE U U used_memory..
input validation for numeric input http://stackoverflow.com/questions/10178830/input-validation-for-numeric-input #include limits using namespace std void isNumeric int iN while 1 cin iN if cin.fail cin.clear cin.ignore numeric_limits.. using namespace std void isNumeric int iN while 1 cin iN if cin.fail cin.clear cin.ignore numeric_limits streamsize.. n' if cin.gcount 1 continue check against the ve value if iN 0 continue break int main int x cout Enter your number isNumeric..
C++ Newbie needs helps for printing combinations of integers http://stackoverflow.com/questions/1876474/c-newbie-needs-helps-for-printing-combinations-of-integers is #include iostream using namespace std int iRange 0 int iN 0 int fact int n if n 1 return 1 else return fact n 1 n void.. int iDiffFact fact iMxM n int iSmallSetFact fact n int iNoTotComb iBigSetFact iDiffFact iSmallSetFact cout The number.. iSmallSetFact cout The number of possible combinations is iNoTotComb endl cout and these combinations are the following endl..
|