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c++ Programming Glossary: aaaC++ const correctness with string literals [duplicate] http://stackoverflow.com/questions/15355257/c-const-correctness-with-string-literals a string literal type is array of const char auto constStr aaa char nonConstStr constStr Error here cannot convert from 'const.. from 'const char ' to 'char ' char stillNonConstStr aaa Why I don't have error here Can you please explain me why on..
Common macro to read input data and check its validity http://stackoverflow.com/questions/15792984/common-macro-to-read-input-data-and-check-its-validity ask scan the input data the data should be integer so 11a aaa aa44 ... inputs are not allowed. Only integer followed with.. ask scan the input data the data should be double so 11.2a aaa aa44.3 ... inputs are not allowed. Only double followed with.. answer is wrong because if the user enter for example aaa as input then the above code will result an infinite loop because..
Is extern keyword really necessary? http://stackoverflow.com/questions/2840205/is-extern-keyword-really-necessary really necessary ... #include test1.h int main .. count aaa endl aaa is defined in test1.h and I didn't use extern keyword.. necessary ... #include test1.h int main .. count aaa endl aaa is defined in test1.h and I didn't use extern keyword but still.. and I didn't use extern keyword but still can reference aaa . So I doubt is extern really necessary c extern share improve..
How-to write a password-safe class? http://stackoverflow.com/questions/3785582/how-to-write-a-password-safe-class allocate_shared SecureString SecureAllocator SecureString aaa This guarantees that all the data is zeroed before deallocation..
How to template'ize variable NAMES, not types? http://stackoverflow.com/questions/3942426/how-to-templateize-variable-names-not-types use all i .MEMBER in same way and class MyClass public int aaa bbb ccc and the application main vector MyClass all .... applicate.. main vector MyClass all .... applicate doSomething to all aaa's doSomething aaa all or doSomething MyClass aaa all or doSomething.. all .... applicate doSomething to all aaa's doSomething aaa all or doSomething MyClass aaa all or doSomething all How should..
Is it better to pass by value or by reference for basic datatypes? [duplicate] http://stackoverflow.com/questions/4112914/is-it-better-to-pass-by-value-or-by-reference-for-basic-datatypes in C I have members of a class implemented like this void aaa int a float b short c bbb a b void bbb int a float b If the.. to use my functions as shown below or as shown above void aaa int a float b short c void bbb int a float b Does using references..
Global memory management in C++ in stack or heap? http://stackoverflow.com/questions/1169858/global-memory-management-in-c-in-stack-or-heap does it consume stack memory or heap memory For eg struct AAA ... ... . .. .. .. arr 59652323 c memory management stack ..
Namespace + functions versus static methods on a class http://stackoverflow.com/questions/1434937/namespace-functions-versus-static-methods-on-a-class For example if you have a namespace A with a function AAA a namespace B with a function BBB you can declare a namespace.. a function BBB you can declare a namespace C and bring AAA and BBB in this namespace with the keyword using. Conclusion..
How to serialize and deserialize rich text in QTextEdit? http://stackoverflow.com/questions/4402558/how-to-serialize-and-deserialize-rich-text-in-qtextedit this very much. Say I have a structure like this class AAA BBB bb_member double dbl_member .................... class BBB.. QStr_member ................. QTextEdit m_textEdit And for AAA I define this operators QDataStream operator QDataStream out.. this operators QDataStream operator QDataStream out const AAA aa out aa.bb_member aa.dbl_member return out QDataStream operator..
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