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c++ Programming Glossary: puttingIn C++ source, what is the effect of extern “C”? http://stackoverflow.com/questions/1041866/in-c-source-what-is-the-effect-of-extern-c is the effect of extern &ldquo C&rdquo What exactly does putting 'extern C ' into C code do For example extern C void foo c..
Why isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member sizeof Z 8 One can minimize the size of structures by putting the largest data types at the beginning of the structure and..
Namespace + functions versus static methods on a class http://stackoverflow.com/questions/1434937/namespace-functions-versus-static-methods-on-a-class side this is important when designing your code because by putting your functions in a namespace you will authorize your users..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol to keep only the declaration of your function in header.h putting its definition body into one separate .cpp file only this is..
Difference between float and double http://stackoverflow.com/questions/2386772/difference-between-float-and-double the output was the SAME the results were the SAME but putting float didn't work only double. The values were not so big too..
At what point is it worth using a database? http://stackoverflow.com/questions/2648802/at-what-point-is-it-worth-using-a-database programming line would be helpful. This is not about putting a database in an embedded project. It is also not a business..
Combining C++ and C - how does #ifdef __cplusplus work? http://stackoverflow.com/questions/3789340/combining-c-and-c-how-does-ifdef-cplusplus-work Any time I include a header from that library I've been putting an extern C around the #include. Is this the right way to deal..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame like in directshow for Windows when you defining and putting into the graph your own filter for such purposes . So the question..
How do you properly use namespaces in C++? http://stackoverflow.com/questions/41590/how-do-you-properly-use-namespaces-in-c where packages are used not namespaces. I'm used to putting classes that work together to form a complete object into packages..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali programs to exercise the iostreams internal buffering putting binary data into an ostringstream http ideone.com 2PPYw putting.. binary data into an ostringstream http ideone.com 2PPYw putting binary data into a char buffer http ideone.com Ni5ct putting.. binary data into a char buffer http ideone.com Ni5ct putting binary data into a vector char using back_inserter http ideone.com..
http://stackoverflow.com/questions/500493/c-equivalent-of-instanceof generally a sign of poor design. Typical workarounds is putting the special behaviour for the class you are checking for into..
Why are C++ inline functions in the header http://stackoverflow.com/questions/5057021/why-are-c-inline-functions-in-the-header unit that uses it. The easiest way to achieve this is by putting the definition in a header file. If you want to put the definition..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly to justify its extraction to another class. But even putting that fact aside even for simple objects using just constructors..
http://stackoverflow.com/questions/583255/c-code-in-header-files in headers. There is occasionally some merit to putting code in the header this can allow more clever inlining by the..
How to reuse an ostringstream? http://stackoverflow.com/questions/624260/how-to-reuse-an-ostringstream to use the string for c functions you can use std ends putting a terminating null like this std ostringstream s s hello s.seekp..
Exporting classes containing std:: objects (vector, map, etc) from a dll http://stackoverflow.com/questions/767579/exporting-classes-containing-std-objects-vector-map-etc-from-a-dll tFontInfoRef I'm able to remove some of the warnings by putting the following forward class declaration before them even though..
http://stackoverflow.com/questions/871234/circular-lock-free-buffer consumer setup I will have multiple producer threads putting data into a queue and multiple consumer threads reading the..
Is there any reason to use the 'auto' keyword in C / C++? http://stackoverflow.com/questions/1046477/is-there-any-reason-to-use-the-auto-keyword-in-c-c start of their definition until the end of their block. Putting auto in front of them is redundant since that is the default..
GCC: Use OpenSSL's SHA256 Functions http://stackoverflow.com/questions/13784434/gcc-use-openssls-sha256-functions question You make a very common beginners mistake... Putting the libraries you link with in the wrong place on the command..
updating a string table with UpdateResource http://stackoverflow.com/questions/14088057/updating-a-string-table-with-updateresource can now see why it wound up in group 1 with an ID of 0. Putting all the pieces together you can update a string resource using..
Is this good code? (copy ctor + operator=) http://stackoverflow.com/questions/1457842/is-this-good-code-copy-ctor-operator operator if I defined a copy ctor but QList wants one. Putting that aside I hate code duplication so is there anything wrong..
Why to avoid std::enable_if in function signatures http://stackoverflow.com/questions/14600201/why-to-avoid-stdenable-if-in-function-signatures of the other two options can be applied everywhere. Putting enable_if in a template parameter works everywhere since you..
How can I extend a lexical cast to support enumerated types? http://stackoverflow.com/questions/1528374/how-can-i-extend-a-lexical-cast-to-support-enumerated-types is a whole lot of code. So i would use boost's is_enum . Putting it together it could look like template typename T typename..
Exporting DLL C++ Class , question about .def file http://stackoverflow.com/questions/186232/exporting-dll-c-class-question-about-def-file showed the symbol 0A@@QAE@H@Z public __thiscall A A int Putting this symbol in the .def file causes the linker to create the..
How to make consistent dll binaries across VS versions? http://stackoverflow.com/questions/232926/how-to-make-consistent-dll-binaries-across-vs-versions Next Get your DLLs to link to the static runtime. Putting together a project comprimising dls from several 3rd parties..
Unusual heap size limitations in VS2003 C++ http://stackoverflow.com/questions/2469738/unusual-heap-size-limitations-in-vs2003-c returns true and hence my memory doesn't get allocated. Putting a watch on size comes back with the exptected 512MB which suggests..
Are C++ exceptions sufficient to implement thread-local storage? http://stackoverflow.com/questions/2487509/are-c-exceptions-sufficient-to-implement-thread-local-storage is that the exception object is referenced by rethrow. Putting two and two together wouldn't executing an entire thread inside..
http://stackoverflow.com/questions/2660633/declaring-pointers-asterisk-on-the-left-or-right-of-the-space-between-the-type to speak on the pointed to data or the pointer variable. Putting it in the middle as someType somePtr is trying to avoid committing..
C++ format macro / inline ostringstream http://stackoverflow.com/questions/303562/c-format-macro-inline-ostringstream .str will trigger a coredump. Invoking str Guess. Putting it all together. #define FORMAT ITEMS dynamic_cast ostringstream..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward . We've maintained the value category of the parameter. Putting these together gives us perfect forwarding template typename..
what is/are the purpose(s) of inline? http://stackoverflow.com/questions/3647053/what-is-are-the-purposes-of-inline MYCLASS GetInstance someFunction He stated that Putting this as an inline function may save code size in the executable..
Removing widgets from QGridLayout http://stackoverflow.com/questions/5395266/removing-widgets-from-qgridlayout depend on the cell contents but still have to be reset. Putting it all together the code Use the removeRow and removeColumn..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation a real implementation and even then it's not very likely . Putting something into a thread safe queue will normally have quite..
Resolving a linker error: undefined reference to static class members http://stackoverflow.com/questions/5603101/resolving-a-linker-error-undefined-reference-to-static-class-members to define your class statics in a source file some where. Putting them in the class just declares that they are there but something..
++it or it++ when iterating over a map? http://stackoverflow.com/questions/6926930/it-or-it-when-iterating-over-a-map iterator iteration stdmap share improve this question Putting it to the test I made three source files #include map struct..
What happens when you logical not a float? http://stackoverflow.com/questions/9833790/what-happens-when-you-logical-not-a-float to a prvalue of type bool the resulting value is false . Putting those together 2.5f is a non zero value and will consequently..
Why does const imply internal linkage in C++, when it doesn't in C? http://stackoverflow.com/questions/998425/why-does-const-imply-internal-linkage-in-c-when-it-doesnt-in-c internal linkage to save confusion. To give an example... Putting the following in a file const int var_a 1 int var_b 1 ...and..
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