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c++ Programming Glossary: makingWhy use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices the elements as in T elem some_vector i then you're making the assumption that the container has operator std size_t defined... bring you closer to container independence. You're not making assumptions about random access ability or fast size operation..
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards can handle C99 code and even has the same flags as gcc making it much easier to port code between platforms. Also the Intel..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol errors by giving your function internal linkage thus making each translation unit hold a private copy of that function and..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c but it is not quite the same as it uses dynamic memory and making it use ones own stack allocator isn't exactly easy alignment..
Is it okay to inherit implementation from STL containers, rather than delegate? http://stackoverflow.com/questions/2034916/is-it-okay-to-inherit-implementation-from-stl-containers-rather-than-delegate for using implementation inheritance Edit What about making it clear that the user should not use MyContainer via a std..
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 a strict interpretation and .E2 converts it to an rvalue making it undefined behavior for the weak interpretation. It also follows..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming so it effectively gives us everything we need by itself making volatile unnecessary. We can just remove the volatile qualifier..
Is there a performance difference between i++ and ++i in C++? http://stackoverflow.com/questions/24901/is-there-a-performance-difference-between-i-and-i-in-c However if i is an instance of a C class then i and i are making calls to one of the operator functions. Here's a standard pair..
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 for better performance in the program because you are not making a copy of the variable. c variables pass by reference constants..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom swap and or move it C 11 anywhere it needs to be. And by making the copy in the parameter list you maximize optimization. share..
Which, if any, C++ compilers do tail-recursion optimization? http://stackoverflow.com/questions/34125/which-if-any-c-compilers-do-tail-recursion-optimization possible to check if the compiler does this at all by making an infinite recursion and checking if it results in an infinite.. I discovered that destructors ruin the possibility of making this optimization. It can sometimes be worth it to change the..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses functors can be customized because they contain state making them more flexible If I wanted to use a function pointer I'd..
Why are C character literals ints instead of chars? http://stackoverflow.com/questions/433895/why-are-c-character-literals-ints-instead-of-chars character value without it being promoted to int first so making character constant int in the first place eliminated that step...
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers Add template aliases or something similar to facilitate making custom delimiter classes or maybe preprocessor macros Recent..
What is the C++ iostream endl fiasco? http://stackoverflow.com/questions/5492380/what-is-the-c-iostream-endl-fiasco newline flushing unnecessarily frequently and potentially making their program's performance abysmal. I.e. most people are taught..
Why does the use of 'new' cause memory leaks? http://stackoverflow.com/questions/8839943/why-does-the-use-of-new-cause-memory-leaks example is worse you're dereferencing the pointer and making a copy of the object. This way you lose the pointer to the object..
http://stackoverflow.com/questions/124856/how-do-i-prevent-a-class-from-being-allocated-via-the-new-operator-id-like delete void ... The rest of the implementation for X ... Making 'operator new' private effectively prevents code outside the..
Const correctness for value parameters http://stackoverflow.com/questions/1724051/const-correctness-for-value-parameters compiles without error i x compile error return i Summary Making value parameters is useful to catch some logic errors. Is it..
Making map::find operation case insensitive http://stackoverflow.com/questions/1801892/making-mapfind-operation-case-insensitive map find operation case insensitive Does the map find method..
Overloading operator<< for a templated class http://stackoverflow.com/questions/1810753/overloading-operator-for-a-templated-class the implementation and adds both to the enclosing scope. Making the templated version a friend To make the template a friend..
Why aren't there compiler-generated swap() methods in C++0x? http://stackoverflow.com/questions/2078515/why-arent-there-compiler-generated-swap-methods-in-c0x re assignments then released the essentially wasted copy. Making a copy of a heavy weight class is a waste of time when we as..
What is the difference between a concrete class and an abstract class? http://stackoverflow.com/questions/2149207/what-is-the-difference-between-a-concrete-class-and-an-abstract-class an implementation for the draw method even an empty one. Making the shape class abstract prevents us from mistakenly instantiating..
Making a borderless window with for Qt http://stackoverflow.com/questions/2235360/making-a-borderless-window-with-for-qt a borderless window with for Qt I'm new to Qt C . I downloaded..
C++ DLL Export: Decorated/Mangled names http://stackoverflow.com/questions/2804893/c-dll-export-decorated-mangled-names people using the DLL in their C# application. UPDATE3 RE Making sure I build the DLL correctly . Umm that's why I'm asking the..
http://stackoverflow.com/questions/3596622/negative-nan-is-not-a-nan compiler does me a 'favor' and optimises the assert away. Making my own isNaN function is being optimised away as well. How can..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab a function during the initialization of its static objects Making virtual function calls to pure virtual functions of an object..
Is it good practice to make member variables protected? http://stackoverflow.com/questions/3933006/is-it-good-practice-to-make-member-variables-protected are what this class is all about. class ErrorLogger public Making this function virtual is optional virtual void SetError const..
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 objects share the same memory for their string data. Making b non const will prefer the non const version of the operator..
http://stackoverflow.com/questions/4571611/making-operator-virtual operator virtual I need to use a virtual operator. However..
How to add code at the entry of every function? http://stackoverflow.com/questions/5081123/how-to-add-code-at-the-entry-of-every-function enough e.g. C 0x variadic templates or lots of overloads. Making it work nicely with member functions is also more fiddly. I've..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly has it simple as we only have dynamic allocated objects. Making a factory is as trivial as class FooFactory public Foo createFooInSomeWay.. what if Foo is not copiable at all Well doh. Conclusion Making a factory by returning an object is indeed a solution for some..
Making a template parameter a friend? http://stackoverflow.com/questions/702650/making-a-template-parameter-a-friend a template parameter a friend Example template class T class..
what is concept of Inline function and how it is differ from macro? [duplicate] http://stackoverflow.com/questions/7738888/what-is-concept-of-inline-function-and-how-it-is-differ-from-macro because you'll end up with multiple definitions of foo . Making the declaration inline lets you get around this problem. Applying..
Preventing non-const lvalues from resolving to rvalue reference instead of const lvalue reference http://stackoverflow.com/questions/7748104/preventing-non-const-lvalues-from-resolving-to-rvalue-reference-instead-of-const versions of the functions and they work as expected. Making the function a template changes the overload resolution rules..
What data structure, exactly, are deques in C++? http://stackoverflow.com/questions/8627373/what-data-structure-exactly-are-deques-in-c access. c data structures share improve this question Making this answer a community wiki. Please get stuck in. First things..
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