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c++ Programming Glossary: outputsFast String Hashing Algorithm with low collision rates with 32 bit integer http://stackoverflow.com/questions/114085/fast-string-hashing-algorithm-with-low-collision-rates-with-32-bit-integer
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions std cerr st mt tr matches tr std regex_match tr r std endl outputs st mt tr matches st 1 st mt tr matches mt 1 st mt tr matches..
What are copy elision and return value optimization? http://stackoverflow.com/questions/12953127/what-are-copy-elision-and-return-value-optimization n C obj f Depending on the compiler settings the following outputs are all valid Hello World A copy was made. A copy was made...
Sizeof array passed as parameter http://stackoverflow.com/questions/1328223/sizeof-array-passed-as-parameter char bar 100 0 cout main sizeof bar endl foo bar return 0 outputs main 100 foo 4 The questions Why is the array passed as a pointer..
Benefits of inline functions in C++? http://stackoverflow.com/questions/145838/benefits-of-inline-functions-in-c only increases performance for the code that the compiler outputs but with today's optimized compilers fast CPUs huge memory etc...
http://stackoverflow.com/questions/1744665/need-help-with-getline cin accountNumber Why after inputting the first number it outputs Enter Name followed immediately by Enter Account Number before..
mixing cout and printf for faster output http://stackoverflow.com/questions/1924530/mixing-cout-and-printf-for-faster-output simple prints and I plan to use printf for producing huge outputs typically in a loop . I think it's safe to do as long as I don't.. Use n instead. It can be interesting if you produce large outputs. c performance printf cout share improve this question ..
How to print function pointers with cout? http://stackoverflow.com/questions/2064692/how-to-print-function-pointers-with-cout operator ostream const void which does what you expect outputs in hex. There can be no such standard library overload for function..
http://stackoverflow.com/questions/2132273/what-does-malloc0-return p n realloc ptr 1024 return 0 EDIT The following code outputs possible for every iteration. Why should it not fail #include..
Multiple definition of inline functions when linking static libs http://stackoverflow.com/questions/2217628/multiple-definition-of-inline-functions-when-linking-static-libs def n void h void f calls external def Now the program outputs what we expected gcc std c99 O2 main.c main1.c main2.c inline..
What's a very easy C++ profiler (VC++)? http://stackoverflow.com/questions/2624667/whats-a-very-easy-c-profiler-vc have another macro called PROFILE_DUMP which will dump the outputs to a text document. PROFILE_FUNC creates an object that will..
how do I validate user input as a double in C++? http://stackoverflow.com/questions/3273993/how-do-i-validate-user-input-as-a-double-in-c value. endl do other stuff... The above code infinitely outputs the Invalid Input statement so its not prompting for another..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring unsigned short wtext i std cout std endl std endl return 0 outputs the following text sizeof char 1 text olé sizeof text 5 strlen..
How many and which are the uses of “const” in C++? http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c Using code int main string const a 1234 string const b a outputs the same address for COW strings cout void a 0 void b 0 The.. the data of a int main string const a 1234 string b a outputs different addresses cout void a 0 void b 0 For the copy constructor..
How to reuse an ostringstream? http://stackoverflow.com/questions/624260/how-to-reuse-an-ostringstream appropriate sequence to the begin s.clear s.seekp 0 for outputs seek put ptr to start s.seekg 0 for inputs seek get ptr to start..
http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g in a larger program it would not be. Of course if the only outputs you want to see are 0 0 or 37 17 you can just wrap a mutex around..
Implementing a no-op std::ostream http://stackoverflow.com/questions/760301/implementing-a-no-op-stdostream verbose mode . If I implement a custom std streambuf that outputs to nowhere I imagine that the std ostream layer will still do..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change Add In lets say New_Years currently takes in 2 years and outputs every New Years day between those 2 years as an array in Excel...
How to create a DLL with SWIG from Visual Studio 2010 http://stackoverflow.com/questions/11693047/how-to-create-a-dll-with-swig-from-visual-studio-2010 .py file to the Debug or Release directory as needed . In Outputs enter Filename _wrap.cxx Outdir Filename .py . Click OK. Right..
Why does string extraction from a stream set the eof bit? http://stackoverflow.com/questions/14591203/why-does-string-extraction-from-a-stream-set-the-eof-bit hello std string result ss result std cout ss.eof std endl Outputs 1 return 0 However I can't see why this would happen according..
What's the real reason to not use the EOF bit as our stream extraction condition? http://stackoverflow.com/questions/14615671/whats-the-real-reason-to-not-use-the-eof-bit-as-our-stream-extraction-condition hello std string result ss result std cout ss.eof std endl Outputs 1 return 0 It's clear here that the single extraction obtains..
Symbol not found when using template defined in a library http://stackoverflow.com/questions/18543980/symbol-not-found-when-using-template-defined-in-a-library o build proof.o g build main.o build proof.o o a.out Outputs 5 Remember #include LITERALLY dumps a file where it says #include..
Visual Studio: Run C++ project Post-Build Event even if project is up-to-date http://stackoverflow.com/questions/1937702/visual-studio-run-c-project-post-build-event-even-if-project-is-up-to-date batch file to run. This runs if the File specified in the Outputs setting is not found or is out of date. Simply specify some..
How to detect a Christmas Tree? http://stackoverflow.com/questions/20772893/how-to-detect-a-christmas-tree DBSCAN as a fraction of the diagonal size of the image Outputs borderseg K 2 2 Nested list containing K pairs of x and y pixel..
Weird behavior of right shift operator http://stackoverflow.com/questions/3394259/weird-behavior-of-right-shift-operator 32 int 1 int 32 std endl warning here return EXIT_SUCCESS Outputs foo 1 32 1 Should be 0 but I guess I'm missing something bar..
Read a line from xml file using C++ http://stackoverflow.com/questions/5443073/read-a-line-from-xml-file-using-c
http://stackoverflow.com/questions/5969173/how-to-swig-in-vs2010 FullPath change C swig swig.exe to your path to SWIG d In Outputs field InputName _wrap.cxx 3 Go to this project properties a..
Simple object detection using OpenCV and machine learning http://stackoverflow.com/questions/6416117/simple-object-detection-using-opencv-and-machine-learning you can use some part of the code to your advantage. Input Outputs compiled with g circles.cpp o circles `pkg config cflags libs..
C++ Pointer to virtual function http://stackoverflow.com/questions/6754799/c-pointer-to-virtual-function
Square detection doesn't find squares http://stackoverflow.com/questions/7731742/square-detection-doesnt-find-squares
Stumped with Unicode, Boost, C++, codecvts http://stackoverflow.com/questions/7859638/stumped-with-unicode-boost-c-codecvts std string converted loc conv from_utf UTF8String blah Outputs a UTF 32 string. std cout converted std endl return 0 As you..
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 int id QMetaType type ClassA std cout meta id id std endl Outputs correct generated user id not 0 ClassA myclass static_cast ClassA.. int id QMetaType type ClassA std cout meta id id std endl Outputs correct generated user id not 0 ClassA myclass static_cast ClassA..
http://stackoverflow.com/questions/905355/c-string-length call length std string str hello std cout str str.length Outputs hello 5 If you're using a c string call strlen . const char.. call strlen . const char str hello std cout str strlen str Outputs hello 5 Or if you happen to like using Pascal style strings..
Unique class type Id that is safe and holds across library boundaries http://stackoverflow.com/questions/922442/unique-class-type-id-that-is-safe-and-holds-across-library-boundaries std cout test_float.s_id std endl std cin.ignore return 0 Outputs class Person class Employee class Person class Employee class..
Denormalized floating point in Objective-C? http://stackoverflow.com/questions/9350810/denormalized-floating-point-in-objective-c 0.0 d n test 0.0 printf DBL_MIN 2 0.0 d n DBL_MIN 2.0 0.0 Outputs test 0.0 1 computer says YES DBL_MIN 2 0.0 0 compiler says NO..
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