¡@
c++ Programming Glossary: thisWhat can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux to pinpoint my slow code c unix profiling share improve this question If your goal is to use a profiler use one of the.. required. If you do have a guess as to what the problem is this will prove or disprove it. You may have multiple performance.. passes. Caveat programmers tend to be skeptical of this technique unless they've used it themselves. They will say that..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three assignment operator c faq rule of three share improve this question Introduction C treats variables of user defined types.. And here If you are puzzled by the name name age age part this is called a member initializer list . Special member functions.. defined special member functions for person look like this 1. copy constructor person const person that name that.name..
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 looking for clarification and official chapter and verse. This is from the GNU libtool manual listing reserved names. CesarB..
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 because they tend to have more problems to find. P.S. This can also be done on multi thread programs if there is a way.. stop someplace random and it will miss the real problem . This comes from having a prior concept of what the real problem is... I on both samples designated observation o 2 2 . This gives us new estimates of the frequency f of I according to..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three variables of user defined types with value semantics . This means that objects are implicitly copied in various contexts.. object. The implicitly defined destructor is always empty. This is also fine in this case since we did not acquire any resources.. copies a pointer not the character array it points to This has several unpleasant effects Changes via a can be observed..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Undefined Behavior and Sequence Points Reloaded . Note This is meant to be an entry to Stack Overflow's C FAQ . If you want.. points share improve this question Disclaimer Okay. This answer is a bit long. So have patience while reading it. If.. in computation of the value to be written. So it is fine. This rule effectively constrains legal expressions to those in which..
http://stackoverflow.com/questions/4421706/operator-overloading Conversion Operators Overloading new and delete Note This is meant to be an entry to Stack Overflow's C FAQ . If you want.. therefore less efficient to use than the prefix variant. This is a good reason to generally prefer prefix increment over postfix..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file typename T void Foo T doSomething T param implementation This way implementation is still separated from declaration but is..
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 name share improve this question Introduction This answer tries to focus on the basic aspects in current C 03 of.. The process that determines this is called name lookup. This however presents a problem in templates How will you find out.. before the template name as specified by 14.2 4 . This looks like t template f int call a function template 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 something truly awful goes wrong and the process explodes. This is problematic. There are a lot of rules and it is very easy..
OpenCV SURF function is not implemented http://stackoverflow.com/questions/11175794/opencv-surf-function-is-not-implemented std using namespace cv int main cv initModule_nonfree THIS LINE IS IMPORTANT IplImage image1 cvLoadImage C SURF 1.jpg IplImage..
http://stackoverflow.com/questions/12434955/c-wait-and-sleep-problems wait those 3 seconds so I can still use that if statement. THIS IS FOR A DLL RUNNING ON A XBOX360 Libs currently in use #include..
Cuda version not working while serial working http://stackoverflow.com/questions/13630817/cuda-version-not-working-while-serial-working 2 idx a 2 idx 1 for int i 0 i N 2 i if idx i continue NOTE THIS LINE MISSING FROM YOUR GPU CODE Point2D other_pt a 2 i a 2 i..
http://stackoverflow.com/questions/1455458/c-struct-alignment-question USED ONLY TO COMPARE IMPLEMENTATIONS struct unpacked THIS IS THE EXAMPLE STRUCT uint32_t a uint32_t b uint32_t c uint32_t..
Downloading and integrating Qt5 with Visual Studio 2012 http://stackoverflow.com/questions/15826893/downloading-and-integrating-qt5-with-visual-studio-2012 WITH AUTO SANDBOXING TURNED OFF. THE ONLY WAY TO OVERCOME THIS ISSUE IS TO COMPLETELY UNINSTALL AVAST FROM YOUR SYSTEM before..
How to make my uninitialised_allocator safe? http://stackoverflow.com/questions/15967293/how-to-make-my-uninitialised-allocator-safe template rebind T other added by Walter Q IS THIS THE CORRECT CONDITION static_assert std is_trivially_default_constructible.. type must be default constructible added by Walter Q IS THIS THE CORRECT CONDITION static_assert std is_trivially_destructible..
How to make consistent dll binaries across VS versions? http://stackoverflow.com/questions/232926/how-to-make-consistent-dll-binaries-across-vs-versions macros interface IExportedMethods STDMETHOD_ long AMethod THIS PURE In your class definition you inherit from this interface.. this interface IExportedMethods STDMETHOD_ void Release THIS PURE class CMyObject public IExportedMethods STDMETHODIMP_ void..
Using array as map value: Cant see the error http://stackoverflow.com/questions/2582529/using-array-as-map-value-cant-see-the-error colours.insert std pair int int 3 GLUT_LEFT_BUTTON red THIS IS LINE 24 colours.insert std pair int int 3 GLUT_MIDDLE_BUTTON..
c++ Mixing printf with wprintf (or cout with wcout) http://stackoverflow.com/questions/2708482/c-mixing-printf-with-wprintf-or-cout-with-wcout history.h int main char buf std wcout std endl ADDING THIS LINE MAKES PRINTF VANISH rl_bind_key ' t' rl_abort disable auto..
How do I calculate the week number given a date? http://stackoverflow.com/questions/274861/how-do-i-calculate-the-week-number-given-a-date week# wrong int weekNum julian 6 7 probably better. CHECK THIS LINE. See comments. if dow dowJan1 adjust for being after Saturday..
How to compile dynamic library for a JNI application on linux? http://stackoverflow.com/questions/3950635/how-to-compile-dynamic-library-for-a-jni-application-on-linux obtained Hello.class and Hello.h . Hello.h DO NOT EDIT THIS FILE it is machine generated #include jni.h Header for class..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android a java method from c in Android THE SOLUTION TO THIS PROBLEM IS IN THE BOTTOM OF THE QUESTION Hi. I'm trying to get..
Need help in reading JPEG file using libjpeg http://stackoverflow.com/questions/5616216/need-help-in-reading-jpeg-file-using-libjpeg cinfo.output_height IT ALWAYS crash ON THIS JPEG_READ_SCANLINES FUNCTION CALL BELOW void jpeg_read_scanlines..
C++ When should we prefer to use a two chained static_cast over reinterpret_cast http://stackoverflow.com/questions/6594395/c-when-should-we-prefer-to-use-a-two-chained-static-cast-over-reinterpret-cast should be a huge flashing symbol that says THIS LOOKS CRAZY BUT I KNOW WHAT I'M DOING. Don't use it just out..
XML data binding for C++ like JAXB for java http://stackoverflow.com/questions/7015006/xml-data-binding-for-c-like-jaxb-for-java bear with me . You may find this question as duplicate of THIS After doing a bit of googling I found that what C has similar..
How to properly use qRegisterMetaType on a class derived from QObject? http://stackoverflow.com/questions/7872578/how-to-properly-use-qregistermetatype-on-a-class-derived-from-qobject lol ClassA const ClassA other assert false DONT EVER USE THIS ~ClassA void ShowName std cout mName std endl std string mName..
http://stackoverflow.com/questions/8488841/value-returning-1-inf000 if tmin tmax return 1 HERE TMIN IS 1.#INFOOO return tmin THIS IS NEVER REACHED c share improve this question 1.#INF000..
Where do “pure virtual function call” crashes come from? http://stackoverflow.com/questions/99552/where-do-pure-virtual-function-call-crashes-come-from doesn't exist. class Base public Base doIt DON'T DO THIS virtual void doIt 0 class Derived public Base void doIt int..
|