c++ Programming Glossary: exceptIs there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati returns. I assume it returns an A then it's doing the same except that when the copy constructor is explicit then the first one..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one object. Done with it. Wait what if DoSomething raises an exception.... A smart pointer by comparison defines a policy as to.. Destruction would happen even if DoSomething raises an exception The simplest policy in use involves the scope of the smart.. std auto_ptr . It is very much like a scoped pointer except that it also has the special dangerous ability to be copied..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array saturating counter will correctly predict the branch except for the few iterations after it switches direction. Quick visualization..
“C subset of C++” -> Where not ? examples? [closed] http://stackoverflow.com/questions/1201593/c-subset-of-c-where-not-examples of C . Actually some good books say C is a subset of C except the little Details . I am interested what these details are...
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c on runtime values this does not yet exist in current C except for new operator type specifiers but they are treated specially..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c this question Rules of thumb for C 11 Pass by value except when you do not need ownership of the object and a simple alias.. Rules of thumb for C 03 Pass arguments by const reference except when they are to be changed inside the function and such changes..
What is the difference between #include <filename> and #include “filename”? http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename Definitions h char any member of the source character set except the new line character and q char any member of the source character..
Is it better in C++ to pass by value or pass by constant reference? http://stackoverflow.com/questions/270408/is-it-better-in-c-to-pass-by-value-or-pass-by-constant-reference C recommends that you use pass by const ref for all types except for builtin types char int double etc. for iterators and for..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom things avoiding code duplication and providing a strong exception guarantee . How does it work Conceptually it works by using.. types being used more attention to detail with regards to exceptions must be given in a more general case however std copy other.mArray.. without it. The second is that it only provides a basic exception guarantee. If new int mSize fails this will have been modified...
http://stackoverflow.com/questions/356950/c-functors-and-their-uses You could do the same with a regular function pointer except as I said above functors can be customized because they contain..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux once. If we only see it once that doesn't tell us much except that f 0. So even a very small number of samples can tell us..
What is the proper declaration of main? http://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main the unnamed namespace . The name main is not reserved in C except as a function in the global namespace. You are free to declare..
http://stackoverflow.com/questions/4421706/operator-overloading in the same way as the arithmetic operators. However except for overloading and for output and input there are very few..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c stream ostr number use the string stream just like cout except the stream prints not to stdout but to a string. std string.. si i is 42 In case of a bad input lexical_cast throws an exception of type boost bad_lexical_cast share improve this answer..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public members of a class are never accessible from anywhere except the members of the same class. Public Inheritance All Public..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 usual const lvalue reference. A move functions like a copy except it is not obliged to keep the source unchanged in fact it usually..
Developing Internet Explorer Extensions? http://stackoverflow.com/questions/5643819/developing-internet-explorer-extensions Enhanced Protected Mode where BHOs are not allowed to run except in edge cases. see http blogs.msdn.com b ieinternals archive.. Enhanced Protected Mode where BHOs are not allowed to run except in edge cases. see http blogs.msdn.com b ieinternals archive..
Are 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 data. It should just abscond with what was given to it. Except it can't. Because it takes a const . If I change C to take its..
In which versions of the C++ standard does “(i+=10)+=10” have undefined behaviour? http://stackoverflow.com/questions/10655290/in-which-versions-of-the-c-standard-does-i-10-10-have-undefined-behaviou C 98 but well defined in C 11. C 98 C 98 clause expr 5 p4 Except where noted the order of evaluation of operands of individual.. from C 98 is replaced with C 11 intro.execution 1.9 p15 Except where noted evaluations of operands of individual operators..
Why is my log in the std namespace? http://stackoverflow.com/questions/11892976/why-is-my-log-in-the-std-namespace question C Standard 17.6.1.2 paragraph 4 emphasis mine Except as noted in Clauses 18 through 30 and Annex D the contents of..
Issue with pointer to character array C++ http://stackoverflow.com/questions/14189967/issue-with-pointer-to-character-array-c . This is laid out in section 6.2.2.1 of the standard 729 Except when it is the operand of the sizeof operator or the unary operator..
Are multiple mutations within initializer lists undefined behavior? http://stackoverflow.com/questions/14442894/are-multiple-mutations-within-initializer-lists-undefined-behavior the behavior is undefined However the same paragraph says Except where noted evaluations of operands of individual operators..
Which iomanip manipulators are 'sticky'? http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky Then by this requirement all manipulators are sticky. Except setw which seems to be reset after use. By Charles Exactly and..
Is there any danger in calling free() or delete instead of delete[]? [duplicate] http://stackoverflow.com/questions/1612031/is-there-any-danger-in-calling-free-or-delete-instead-of-delete between int p new int n delete p delete p free p Except for the routes taken by the respective calls through the delete..
Why is `i = ++i + 1` unspecified behavior? http://stackoverflow.com/questions/1860461/why-is-i-i-1-unspecified-behavior ISO IEC 14882 2003 E citation section 5 paragraph 4 Except where noted the order of evaluation of operands of individual..
casting via void* instead of using reinterpret_cast http://stackoverflow.com/questions/1863069/casting-via-void-instead-of-using-reinterpret-cast converted to a pointer to an object of different type. Except that converting an rvalue of type 𦑩ointer to T1 to the type..
Constants and compiler optimization in C++ http://stackoverflow.com/questions/212237/constants-and-compiler-optimization-in-c object is declared const then ISO IEC 14882 2003 7.1.5.1 4 Except that any class member declared mutable 7.1.1 can be modified..
What would the evaluation order of x = x++ + ++x; be? [duplicate] http://stackoverflow.com/questions/2367969/what-would-the-evaluation-order-of-x-x-x-be of operators and operands is indicated by the syntax. Except as specified later for the function call and comma operators..
are C functions declared in <c____> headers guaranteed to be in the global namespace as well as std? http://stackoverflow.com/questions/2587445/are-c-functions-declared-in-c-headers-guaranteed-to-be-in-the-global-names world n EDIT The closest I've found is this 17.4.1.2p4 Except as noted in clauses 18 through 27 the contents of each header..
Should I use static_cast or reinterpret_cast when casting a void* to whatever http://stackoverflow.com/questions/310451/should-i-use-static-cast-or-reinterpret-cast-when-casting-a-void-to-whatever converted to a pointer to an object of different type. Except that converting an rvalue of type pointer to T1 to the type..
Const method that modifies *this without const_cast http://stackoverflow.com/questions/3484233/const-method-that-modifies-this-without-const-cast to 5.2.11 but is it undefined behavior No. See 禮7.1. .1 4 Except that any class member declared mutable 7.1.1 can be modified..
In C/C++, is char* arrayName[][] a pointer to a pointer to a pointer OR a pointer to a pointer? http://stackoverflow.com/questions/3920729/in-c-c-is-char-arrayname-a-pointer-to-a-pointer-to-a-pointer-or-a-pointe 6.3.2.1 Lvalues arrays and function designators ... 3 Except when it is the operand of the sizeof operator or the unary &..
std::vector, default construction, C++11 and breaking changes http://stackoverflow.com/questions/5759232/stdvector-default-construction-c11-and-breaking-changes Allocator Allocator 1 explicit vector size_type n 2 Except for the fact that it no longer has a default argument for the..
order of evaluation of operands http://stackoverflow.com/questions/7112282/order-of-evaluation-of-operands . ... For normal operators the standard says 禮5.4 Except where noted the order of evaluation of operands of individual..
Template instantiation details of GCC and MS compilers http://stackoverflow.com/questions/7182359/template-instantiation-details-of-gcc-and-ms-compilers to later as for the this pointer which is dependent. Except when you would have made use of explicit instantiations cat..
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