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c++ Programming Glossary: cppInstalling OpenCV 2.4.3 in Visual C++ 2010 Express [closed] http://stackoverflow.com/questions/10901905/installing-opencv-2-4-3-in-visual-c-2010-express &rarr Visual C &rarr C File . Name your file e.g loadimg.cpp and click Ok . Type the code below in the editor #include opencv2.. what's next Go to the samples dir &rarr c opencv samples cpp . Read and compile some code. Write your own code. share improve..
Good C++ GUI library for Windows http://stackoverflow.com/questions/115045/good-c-gui-library-for-windows is compiled directly. It just generates an additional cpp file containing the marshaling for signal slot callbacks which..
Programmatically find the number of cores on a machine http://stackoverflow.com/questions/150355/programmatically-find-the-number-of-cores-on-a-machine c multicore share improve this question C 11 http en.cppreference.com w cpp thread thread hardware_concurrency may return.. improve this question C 11 http en.cppreference.com w cpp thread thread hardware_concurrency may return 0 when not able..
Splitting templated C++ classes into .hpp/.cpp files--is it possible? http://stackoverflow.com/questions/1724036/splitting-templated-c-classes-into-hpp-cpp-files-is-it-possible templated C classes into .hpp .cpp files is it possible I am getting errors trying to compile.. a C template class which is split between a .hpp and .cpp file g c o main.o main.cpp g c o stack.o stack.cpp g o main.. is split between a .hpp and .cpp file g c o main.o main.cpp g c o stack.o stack.cpp g o main main.o stack.o main.o In function..
When should you use 'friend' in C++? http://stackoverflow.com/questions/17434/when-should-you-use-friend-in-c to the friend specifier but often they are cumbersome cpp level concrete classes masked typedefs or not foolproof comments..
How to parse a string to an int in C++? http://stackoverflow.com/questions/194465/how-to-parse-a-string-to-an-int-in-c convert the string 11x to integer 11 . See more http en.cppreference.com w cpp string basic_string stol share improve this..
Easy way to parse a url in C++ cross platform? http://stackoverflow.com/questions/2616011/easy-way-to-parse-a-url-in-c-cross-platform released under the Boost Software License. The library is cpp netlib which you can find the documentation for at http cpp.. netlib which you can find the documentation for at http cpp netlib.github.com you can download the latest release from http.. you can download the latest release from http github.com cpp netlib cpp netlib downloads . The relevant type you'll want..
Why have header files and .cpp files in C++? [closed] http://stackoverflow.com/questions/333889/why-have-header-files-and-cpp-files-in-c have header files and .cpp files in C closed Why does C have header files and .cpp files.. .cpp files in C closed Why does C have header files and .cpp files c header files share improve this question Well the.. a class or whatever is being implemented will do while the cpp file defines how it will perform those features. This reduces..
http://stackoverflow.com/questions/4757565/c-forward-declaration Forward declaration At http www.learncpp.com cpp tutorial 19 header files The following is mentioned.. Forward declaration At http www.learncpp.com cpp tutorial 19 header files The following is mentioned add.cpp.. tutorial 19 header files The following is mentioned add.cpp 1 int add int x int y 2 3 return x y 4 main.cpp 01 #include..
What does it mean to have an undefined reference to a static member? http://stackoverflow.com/questions/7092765/what-does-it-mean-to-have-an-undefined-reference-to-a-static-member member. The required declaration is usually put in the cpp file which contains the other definitions for the members of.. exampleStaticMember The definition can be put in any cpp file but it should not be put in the header with the class because.. int initialised 15 In this case the definition in the cpp file is still required but it is not allowed to have an initialiser..
Clean up your #include statements? http://stackoverflow.com/questions/1014632/clean-up-your-include-statements details out of a header and into the corresponding CPP file. If you take that to its extreme using techniques like.. members instead data members are defined hidden in the CPP file using the cheshire cat a.k.a. pimpl technique No header..
Calling Objective-C method from C++ method? http://stackoverflow.com/questions/1061005/calling-objective-c-method-from-c-method call from C . do work here.. return 21 half of 42 @end MyCPPClass.cpp #include MyCPPClass.h #include MyObject C Interface.h.. here.. return 21 half of 42 @end MyCPPClass.cpp #include MyCPPClass.h #include MyObject C Interface.h int MyCPPClass someMethod.. MyCPPClass.h #include MyObject C Interface.h int MyCPPClass someMethod void objectiveCObject void aParameter To invoke..
Storing C++ template function definitions in a .CPP file http://stackoverflow.com/questions/115703/storing-c-template-function-definitions-in-a-cpp-file C template function definitions in a .CPP file I have some template code that I would prefer to have.. some template code that I would prefer to have stored in a CPP file instead of inline in the header. I know this can be done..
Do you know tool building tree of include files in project\file? http://stackoverflow.com/questions/1226044/do-you-know-tool-building-tree-of-include-files-in-project-file can easily get a list of includes by generating the post CPP processed file from the base c file and grepping out the file..
SWIG : Unable to access constructor with double pointer http://stackoverflow.com/questions/13392512/swig-unable-to-access-constructor-with-double-pointer void push item_type item void avg double buf And CPP code is #include iostream #include GradedComplex.h using namespace..
UTF8 to/from wide char conversion in STL http://stackoverflow.com/questions/148403/utf8-to-from-wide-char-conversion-in-stl
c++/cli pass (managed) delegate to unmanaged code http://stackoverflow.com/questions/2972452/c-cli-pass-managed-delegate-to-unmanaged-code public ref class MyManagedClass public void DoSomething 2 CPP Code MyInterop.ManagedCppLib.cpp #include stdafx.h #include..
C++ templates declare in .h, define in .hpp http://stackoverflow.com/questions/3526299/c-templates-declare-in-h-define-in-hpp in my experience YMMV an hpp file is an #include ed CPP file. This is done in order to break the code up in to two physical..
Why do I get “unresolved external symbol” errors when using templates? http://stackoverflow.com/questions/456713/why-do-i-get-unresolved-external-symbol-errors-when-using-templates class using templates and split the code between a source CPP file and a header H file I get a whole lot of unresolved external..
Why should the “PIMPL” idiom be used? http://stackoverflow.com/questions/60570/why-should-the-pimpl-idiom-be-used Cat Constructor ~Cat Destructor Other operations... Purr CPP file #include cat.h class Cat CatImpl Purr ... The actual implementation..
What happens to global variables declared in a DLL? http://stackoverflow.com/questions/75701/what-happens-to-global-variables-declared-in-a-dll of objects or different compilation units i.e. CPP files is not guaranteed so you can't hope the object A will.. B if the two objects are instanciated in two different CPPs. This is important if B depends on A. The solution is to move.. A. The solution is to move all global objects in the same CPP file as inside the same compilation unit the order of instanciation..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python for i in 1..5 do echo Test run i at `date` echo n CPP cat test_lines . readline_test_cpp echo n Python cat test_lines.. done Test run 1 at Mon Feb 20 21 29 28 EST 2012 CPP Saw 5570001 lines in 9 seconds. Crunch speed 618889 Python Read.. LPS 5 570 000 Test run 2 at Mon Feb 20 21 29 39 EST 2012 CPP Saw 5570001 lines in 9 seconds. Crunch speed 618889 Python Read..
Dev C in Windows 8: gcc Internal Error http://stackoverflow.com/questions/12811762/dev-c-in-windows-8-gcc-internal-error James Documents Homework TA_CPRE_185 counter.exe I C Dev Cpp include L C Dev Cpp lib gcc.exe Internal error Aborted program.. TA_CPRE_185 counter.exe I C Dev Cpp include L C Dev Cpp lib gcc.exe Internal error Aborted program collect2 Please submit..
Repeated Multiple Definition Errors from including same header in multiple cpps http://stackoverflow.com/questions/223771/repeated-multiple-definition-errors-from-including-same-header-in-multiple-cpps Job_Grunt int Other_data 100 void load_jobs #endif Example Cpp File They pretty much all look something like this #include..
Linker error: undefined reference to `std::ctype<char>::_M_widen_init() http://stackoverflow.com/questions/4035445/linker-error-undefined-reference-to-stdctypechar-m-widen-init L.. .. lib Linux_lib L home rumi Mobius mobius Mobius 2.3 Cpp lib Linux_lib L home rumi Mobius mobius Mobius 2.3 Cpp external.. 2.3 Cpp lib Linux_lib L home rumi Mobius mobius Mobius 2.3 Cpp external lib Linux L.. .. external lib Linux lgenMain lgen lvary_num_compRangeStudy.. Paper Transformer ssg' home rumi Mobius mobius Mobius 2.3 Cpp lib Linux_lib libgenMain.a Main.o In function `commandline int..
Downloading File in Qt From URL http://stackoverflow.com/questions/4383864/downloading-file-in-qt-from-url and came across this article http www.java2s.com Code Cpp Qt DownloadfromURL.htm This code does work but it doesn't fit.. main QtDownload dl dl.setTarget http www.java2s.com Code Cpp Qt DownloadfromURL.htm QTimer singleShot 0 dl SLOT download..
include stdafx.h in header or source file? http://stackoverflow.com/questions/5234311/include-stdafx-h-in-header-or-source-file project. Consider that C doesn't compile header files just Cpp files . Therefore if the stdafx is the first include in the.. the header file needs when it hits the headerfile in the Cpp file . e.g. You have A.cpp A.h. A.h needs std string. you have..
“undefined reference to” in G++ Cpp http://stackoverflow.com/questions/6978241/undefined-reference-to-in-g-cpp undefined reference to&rdquo in G Cpp Can't seem to get the errors to go away. Errors are below... and still can't figure it out. It is not like I am new to Cpp but have not fooled with it in a while. Weird thing is it worked..
How to get hardware MAC address on Windows http://stackoverflow.com/questions/823553/how-to-get-hardware-mac-address-on-windows this article covers the most common http www.codeguru.com Cpp I N network networkinformation article.php c5451 I'm currently..
Markdown Implementations for C/C++ http://stackoverflow.com/questions/889434/markdown-implementations-for-c-c and which ones I may have missed peg markdown Discount Cpp Markdown libsoldout formerly libupskirt c c markdown share.. and extend. Disadvantages Depends on GLib Provides C API. Cpp Markdown Most C code but it is quite slow and little bit bloated... GPL ed software. Why do I know them so much I'm developing CppCMS so I need a good markdown to HTML convertor. When I picked..
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