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c++ Programming Glossary: potentialAre the days of passing const std::string & as a parameter over? http://stackoverflow.com/questions/10231349/are-the-days-of-passing-const-stdstring-as-a-parameter-over something with `str`. m_str str Hello copy constructor and potential memory allocation ignore SSO . C 11's move semantics are supposed..
OpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection if l 0 Canny gray0 gray 10 20 3 Dilate helps to remove potential holes between edge segments dilate gray gray Mat Point 1 1..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor operation do you just ignore it If it is an error that can potentially be handled up the stack but not right in the destructor doesn't.. not necessarily directly . The user of your class can then potentially handle these situations by using the public methods and catching.. situations by using the public methods and catching any potential exceptions. The destructor will then finish off the object by..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c it to the C standard and if so why it was omitted Some potential reasons Hairy for compiler vendors to implement Incompatible.. expression here The slices rows and columns will also potentially be spread all over memory. EDIT Looking at the discussion.. those people that seem to agree that having to create a potential large array on the stack which usually has only little space..
http://stackoverflow.com/questions/2126522/c-virtual-inheritance classes that inherits from the virtual base. Which of the potential multiple initializers would the correct choice for initializing..
Can any one provide me a sample of Singleton in c++? http://stackoverflow.com/questions/270947/can-any-one-provide-me-a-sample-of-singleton-in-c m_pA A ~A FreeInstance Can I write this are there any potential error void A FreeInstance delete m_pA m_pA NULL Thanks Evan..
Can we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern improve this question I like this idiom and it has the potential to become much cleaner and more expressive. In standard C 03..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems before it can be used. Destruction Problems There is a potential problem of accessing the object after it has been destroyed...
Why is including “using namespace” into a header file a bad idea in C++? http://stackoverflow.com/questions/4872373/why-is-including-using-namespace-into-a-header-file-a-bad-idea-in-c then there's no affect on code beyond that scope so the potential impact of changes to std is dramatically reduced. share improve..
Flags to enable thorough and verbose g++ warnings http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings is implicitly promoted to int. It then warns about a potential sign problem if you assign that value to unsigned or unsigned..
difference between a pointer and reference parameter? http://stackoverflow.com/questions/620604/difference-between-a-pointer-and-reference-parameter and int foo bar r return r.someInt Ignore the null pointer potential. Are these two functions functionally identical no matter if..
Is the safe-bool idiom obsolete in C++11? http://stackoverflow.com/questions/6242768/is-the-safe-bool-idiom-obsolete-in-c11 in the title correct I hope we didn't overlook any potential drawbacks. c c 11 deprecated c faq safe bool idiom share..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c If you don't want to worry about calling delete and the potential to cause memory leaks you shouldn't use new . If you'd like..
Is pass-by-value a reasonable default in C++11? http://stackoverflow.com/questions/7592630/is-pass-by-value-a-reasonable-default-in-c11 can use foo like so T lval foo lval copy from lvalue foo T potential move from prvalue foo std move lval potential move from xvalue.. lvalue foo T potential move from prvalue foo std move lval potential move from xvalue and only minimal work is done. You'd need two..
Square detection doesn't find squares http://stackoverflow.com/questions/7731742/square-detection-doesnt-find-squares Canny gray0 gray 0 thresh 5 dilate canny output to remove potential holes between edge segments dilate gray gray Mat Point 1 1..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection if l 0 Canny gray0 gray 10 20 3 Dilate helps to remove potential holes between edge segments dilate gray gray Mat Point 1 1..
Which kind of pointer do I use when? http://stackoverflow.com/questions/8706192/which-kind-of-pointer-do-i-use-when
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 and gets are both UNSAFE and should NOT BE USED due to potential of buffer overflow. So I wrote this iteration using fgets the..
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