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c++ Programming Glossary: unlesswhat is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const use a reference where you would use a T const pointer unless you need to allow null pointers. share improve this answer..
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 here. At 3.1 2 C 03 says A declaration is a definition unless it ... is a class name declaration ... . 3.1 3 then gives a..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c alias will do in which case you pass by const reference unless you must mutate the object in which case use pass by a non const.. in which case use pass by a non const lvalue reference unless you pass objects of derived classes as base classes in which..
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 as specified if any of its associated headers is included unless explicitly stated otherwise see 7.1.4 . All identifiers with..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used latter should be preferred when explicit casting is needed unless you are sure static_cast will succeed or reinterpret_cast will..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses couldn't immediately see which function it points to so unless it performs some fairly complex global optimizations it'd have..
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 Caveat programmers tend to be skeptical of this technique unless they've used it themselves. They will say that profilers give..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring Thus if you work on Windows you badly want to use wchar_t unless you use a framework hiding that like GTK or QT ... . The fact.. All in all UTF 16 will mostly use 2 bytes per characters unless you're dealing with some kind of esoteric language glyphs Klingon.. § . On cross plateform code Depends on your toolkit... § unless you use a toolkit framework saying otherwise 2. Can std string..
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 are not value initialized but have indeterminate values unless of course Array4 is a global array int array 2 1 2 3 4 ERROR..
http://stackoverflow.com/questions/4421706/operator-overloading is better to make a habit of always using prefix increment unless postfix is explicitly needed. Binary arithmetic operators For..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome this piece of paper you're lost and cannot find the house unless you're already in it. var h THouse begin h THouse.Create 'My.. that the other house has been modified in the same manner unless you can explicitly detect that it's actually just one house... areas of memory has been used and will not reuse them unless you free it. Freeing the memory but keeping a now invalid reference..
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 on a template parameter is assumed not to name a type unless the applicable name lookup finds a type name or the name is..
http://stackoverflow.com/questions/6438086/iterator-invalidation-rules references before the point of insertion are unaffected unless the new container size is greater than the previous capacity.. 1 deque all iterators and references are invalidated unless the inserted member is at an end front or back of the deque.. 3 deque all iterators and references are invalidated unless the erased members are at an end front or back of the deque..
Performance penalty for working with interfaces in C++? http://stackoverflow.com/questions/113830/performance-penalty-for-working-with-interfaces-in-c an interface are virtual by definition there is this cost. Unless you are writing some hyper speed sensitive application this..
Any reason to overload global new and delete? http://stackoverflow.com/questions/1152511/any-reason-to-overload-global-new-and-delete reason to overload global new and delete Unless you're programming parts of an OS or an embedded system are..
What constitutes a valid state for a “moved from” object in C++11? http://stackoverflow.com/questions/12095048/what-constitutes-a-valid-state-for-a-moved-from-object-in-c11 may be explicitly specified or implicitly generated. Unless otherwise specified such moved from objects shall be placed..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions it but that ship sailed long ago so it is what it is. Unless someone volunteers to finish it or pays someone else to finish..
Help a C++ newbie understand his mistakes: header files and cpp files http://stackoverflow.com/questions/1686204/help-a-c-newbie-understand-his-mistakes-header-files-and-cpp-files compiled it once there's no reason to compile it again. Unless you change something. Now if you had two million lines of code..
C++ Static member initalization (template fun inside) http://stackoverflow.com/questions/1819131/c-static-member-initalization-template-fun-inside behavior as defined in the ISO IEC C 2003 standard 14.7.1 Unless a member of a class template or a member template has been explicitly..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new delete malloc new operator share improve this question Unless you are forced to use C you should never use malloc . Always..
Static linking vs dynamic linking http://stackoverflow.com/questions/1993390/static-linking-vs-dynamic-linking when using dynamic linking relative using static linking. Unless modern OS's are smart enough to notice identical segments in..
Use of typename keyword with typedef and new http://stackoverflow.com/questions/4421306/use-of-typename-keyword-with-typedef-and-new whether it appears before typedef or after typedef . Unless C allows us to write typedef 5 five or typedef T value t_value..
http://stackoverflow.com/questions/4421706/operator-overloading idx const value_type operator index_type idx const ... Unless you do not want users of your class to be able to change data..
http://stackoverflow.com/questions/45135/linker-order-gcc the symbols will be found when gcc examines library A. Unless you know the locations of symbols very well you might have to..
“enum class” emulation or solid alternative for MSVC 10.0 http://stackoverflow.com/questions/4980280/enum-class-emulation-or-solid-alternative-for-msvc-10-0 my_enum value1 0 my_enum const my_enum value2 1 Notes Unless otherwise specified by an enum base the underlying type of a..
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double designers are rapidly beefing up FPUs to meet that demand. Unless you're chasing every last cycle or you're writing code for very..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation about the order of one increment versus another either. Unless the hardware had direct and cheap support for thread safe queuing..
http://stackoverflow.com/questions/6438086/iterator-invalidation-rules 23.2.1.2 1 list as per insert erase 23.2.2.2 1 Note 1 Unless otherwise specified either explicitly or by defining a function..
Using .dll in Visual Studio 2010 C++ http://stackoverflow.com/questions/7136450/using-dll-in-visual-studio-2010-c include .dlls in C applications by adding references . Unless it's C CLI but that's not C . In C you would go in the project..
Meaning of “const” last in a C++ method declaration? http://stackoverflow.com/questions/751681/meaning-of-const-last-in-a-c-method-declaration const and you can therefore not change any member code. Unless you use mutable more on that later . The const keyword is part..
“\n” or '\n' or std::endl to std::cout? http://stackoverflow.com/questions/8311058/n-or-n-or-stdendl-to-stdcout this question Actually ' n' should be the default. Unless you want to also explicitly flush the stream and when and why..
http://stackoverflow.com/questions/8869605/c-stringfind-complexity over something like KMP is to avoid needing extra storage. Unless the string to be found is very long and the string to search..
Is it a good practice to use unions in C++? http://stackoverflow.com/questions/943267/is-it-a-good-practice-to-use-unions-in-c to read it back as a float you'll get a meaningless value. Unless memory usage is your primary consideration it might be better..
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