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c++ Programming Glossary: bothWhat 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 objects are never destroyed To work around this problem both boost and C 11 define weak_ptr to define a weak uncounted reference..
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 is no difference between the sorted and unsorted data both are fast. VC 2010 is unable to generate conditional moves for..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration definition and a declaration As title says the meaning of both eludes me. c c terminology c faq share improve this question..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier always reserved for use as identifiers with file scope in both the ordinary and tag name spaces. Each macro name in any of..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom things a working copy constructor a working destructor both are the basis of any wrapper so should be complete anyway and..
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 we take just 2 stack samples and we see instruction I on both samples designated observation o 2 2 . This gives us new estimates.. . If you flip a coin 2 times and it comes up heads both times what does that tell you about the probable weighting of..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three containing the source string because when you write x x both this name and that.name contain the same pointer. Exception..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special This article is rather long. If you want to know about both aggregates and POD's Plain Old Data take time and read it. If.. be PODs even though the standard term is POD struct for both cases Just like in the case of aggregates it doesn't matter.. is too liberal with this rule ”it just issues a warning in both cases. int f struct NonPOD NonPOD goto label NonPOD x label..
http://stackoverflow.com/questions/4421706/operator-overloading The unary increment and decrement operators come in both prefix and postfix flavor. To tell one from the other the postfix.. increment or decrement be sure to always implement both prefix and postfix versions. Here is the canonical implementation.. can omit the non const variant you should always provide both variants of the operator. If value_type is known to refer to..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c a product type of the element type and the size. If one or both of those ingredients differ you get a distinct type #include.. decay The only connection between T n and T m is that both types can implicitly be converted to T and the result of this.. to the other and you should familiarize yourself with both. Pointer arithmetic Given a pointer p to the first element of..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords Additional notes and examples In enough cases we need both of typename and template . Your code should look like the following.. that the name given is a class type name. This is true for both names in the base class list and the constructor initalizer.. template specializations. In C 0x this will be allowed for both template and typename . template struct derive_from_Has_type..
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 like structure Z in the example above . IMPORTANT NOTE Both the C and C standards state that structure alignment is implementation..
http://stackoverflow.com/questions/1282295/what-exactly-is-nullptr a keyword and an instance of a type This isn't surprising. Both true and false are keywords and as literals they have a type..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice offers a function called Quux . Now you've got a conflict Both Foo 2.0 and Bar import Quux into your global namespace. This..
How is std::string implemented? http://stackoverflow.com/questions/1466073/how-is-stdstring-implemented refcount is incremented but the actual string data is not. Both object point to the same refcounted data until one of the objects.. the book http www.gotw.ca publications optimizations.htm Both those chapters would be worthwhile reading. share improve this..
What platforms have something other than 8-bit char? http://stackoverflow.com/questions/2098149/what-platforms-have-something-other-than-8-bit-char an 8 bit char to ensure its viability in the marketplace. Both now and historically what platforms use a char that is not 8..
Private and Protected Members : C++ http://stackoverflow.com/questions/224966/private-and-protected-members-c them and in classes that inherit from that class. Edit Both are also accessible by friends of their class and in the case..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha compliance null pointer share improve this question Both a and b result in undefined behavior. It's always undefined..
What's a very easy C++ profiler (VC++)? http://stackoverflow.com/questions/2624667/whats-a-very-easy-c-profiler-vc to log the amount of time until the object is destroyed. Both the constructor of this RAII object and the destructor will..
How to write a browser plugin? http://stackoverflow.com/questions/2649056/how-to-write-a-browser-plugin for those browser are written using the NPAPI . Note Both Firefox and Chrome will default most plugins to click to play..
http://stackoverflow.com/questions/2910979/how-is-base-of-works according to 13.3.3.2 3b2 . This is exactly the case here Both use the second conversion function. Notice that thus the const..
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 or reinterpret_cast when casting a void to whatever Both static_cast and reinterpret_cast seem to work fine for casting..
Which, if any, C++ compilers do tail-recursion optimization? http://stackoverflow.com/questions/34125/which-if-any-c-compilers-do-tail-recursion-optimization tail recursion share improve this question Both the current version of VC and GCC do tail call optimizations..
How many and which are the uses of “const” in C++? http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c the used C library implements a copy on write std string . Both strings even though they are distinct objects share the same..
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 Unfortunately this isn't supported by a lot of compilers. Both 1 and 2 basically address the problem by giving the compiler..
When should you use a class vs a struct in C++? http://stackoverflow.com/questions/54585/when-should-you-use-a-class-vs-a-struct-in-c bases and classes have default private members and bases. Both classes and structs can have a mixture of public and private..
Implicit type conversion rules in C++ operators http://stackoverflow.com/questions/5563000/implicit-type-conversion-rules-in-c-operators int If either is int the other is promoted to int Both operators are promoted to int Note. The minimum size of operations..
Isn't the template argument (the signature) of std::function part of its type? http://stackoverflow.com/questions/5931214/isnt-the-template-argument-the-signature-of-stdfunction-part-of-its-type functions are present I've tried with VS2010 and g v. 4.5. Both give me the exact same ambiguity. c c 11 std function share..
Difference between try-catch syntax for function http://stackoverflow.com/questions/6756931/difference-between-try-catch-syntax-for-function try a 0 catch ... void foo normal function try catch ... Both syntax are valid . Is there any technical difference between..
Is there any real risk to deriving from the C++ STL containers? http://stackoverflow.com/questions/922248/is-there-any-real-risk-to-deriving-from-the-c-stl-containers X Charges will use the same code so no pointless bloat. Both approaches are superior to using a raw container because if..
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