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c++ Programming Glossary: likeWhat is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor syntax in the constructor Recently I've seen an example like the following #include iostream class Foo public int bar Foo.. variable but I've never seen this syntax before. It looks like a function constructor call but for an int Makes no sense for.. by the way are there any other esoteric language features like this you'll never find in a ordinary C book c syntax constructor..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom do we need it Any class that manages a resource a wrapper like a smart pointer needs to implement The Big Three . While the..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three defined special member functions for person look like this 1. copy constructor person const person that name that.name.. in love with pointers. The person class might have looked like this class person char name int age public the constructor acquires..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Points I often use funny and convoluted expressions like a i i to make myself feel better. Why should I stop using them.. idea started out in the first place so your answer is very likely to get read by those who came up with the idea. c c undefined..
http://stackoverflow.com/questions/4421706/operator-overloading Operators Array Subscription Operators for Pointer like Types Conversion Operators Overloading new and delete Note.. idea started out in the first place so your answer is very likely to get read by those who came up with the idea. c operators.. rules of the comparison operators. However it is very unlikely that you would find a reasonable use case for these 2 . 1..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c idea started out in the first place so your answer is very likely to get read by those who came up with the idea. c arrays..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong is almost certainly wrong . I generally use something like while cin n which I guess implicitly checks for EOF why is checking..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c point to NULL You can't take the address of a reference like you can with pointers There's no reference arithmetics but you..
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 to store the current type. For quite a few functions I'd like a meta function to determine if a type U is one of the types.. the template name as specified by 14.2 4 . This looks like t template f int call a function template Template names can.. need both of typename and template . Your code should look like the following template typename T typename Tail struct UnionNode..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new In a C 03 conformant compiler things should work like so new A indeterminate value new A value initialize A which..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope the system. If you try to do something illegal and foolish like going back into a room you're not authorized to be in and rummaging.. on it is going to be the last thing popped off. It's like the hotel decides to only rent out rooms sequentially and you..
Problems with Singleton Pattern http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern these issues but not totally sure about these concerns. Like in case of garbage collection issue usage of static in singleton..
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards public replies to this most of them blaming their users. Like this one http blogs.msdn.com vcblog archive 2007 11 05 iso c..
initialize a const array in a class initializer in C++ http://stackoverflow.com/questions/161790/initialize-a-const-array-in-a-class-initializer-in-c c 03 array initialize share improve this question Like the others said ISO C doesn't support that. But you can workaround..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison builtin C operator for doubles produced correct results. Like I said it all depends on context and the expected size of a..
Unmangling the result of std::type_info::name http://stackoverflow.com/questions/281818/unmangling-the-result-of-stdtype-infoname . Is there a way to produce something useful from this Like std vector int for the above example. If it only works for non..
http://stackoverflow.com/questions/331690/c-source-in-unicode about it For example can I write C source in UNICODE Like use non ASCII characters in comments Can I use chinese characters..
http://stackoverflow.com/questions/3623082/flattening-iterator v.end flatten v.end std ostream_iterator int std cout Like I said at the beginning I haven't tested this thoroughly. Let..
What are some of the “best” cross-platform C++ UI toolkits today? http://stackoverflow.com/questions/366043/what-are-some-of-the-best-cross-platform-c-ui-toolkits-today can't link statically . Modern C API. GUI Toolkit only. Like Qt it draws the widgets itself. This yields to somewhat poor..
Singleton instance declared as static variable of GetInstance method http://stackoverflow.com/questions/449436/singleton-instance-declared-as-static-variable-of-getinstance-method was declared as static variable in GetInstance method. Like this SomeBaseClass SomeClass GetInstance static SomeClass instance..
http://stackoverflow.com/questions/451884/similar-string-algorithm that my text strings will only ever be a handful of words. Like say I have a string Into the clear blue sky and I'm doing a..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers int std cout 20 fibonacci std cout std endl Like Marcelo's version it uses an is_container type trait that must..
Is there a way to instantiate objects from a string holding their class name? http://stackoverflow.com/questions/582331/is-there-a-way-to-instantiate-objects-from-a-string-holding-their-class-name a return type of boost variant A B C D ... instead. Like if you have a class Foo Bar and Baz it looks like this typedef..
Does const-correctness give the compiler more room for optimization? http://stackoverflow.com/questions/6313730/does-const-correctness-give-the-compiler-more-room-for-optimization for optimization. What about functions that call foo Like int x 37 foo x printf d n x Can the compiler prove that this..
C++, __try and try/catch/finally http://stackoverflow.com/questions/7049502/c-try-and-try-catch-finally exception handling they will use their own exception code. Like .NET managed exceptions use the 0xe0434f4d com exception code...
Of Memory Management, Heap Corruption, and C++ http://stackoverflow.com/questions/7525/of-memory-management-heap-corruption-and-c in your code. How do I know that without having seen it Like flossing no one assert s enough in their code. Add in a validation..
How do I declare a 2d array in C++ using new? http://stackoverflow.com/questions/936687/how-do-i-declare-a-2d-array-in-c-using-new in C using new How do i declare a 2d array using new Like for a normal array I would int ary new int Size but int ary..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c by byte. Of course there's no such thing as a free lunch. Like most XML parsers that don't care about the XML specification.. you need that sort of thing. But Pugi is still quite fast. Like RapidXML it has no dependencies and is distributed under the.. the API so TinyXPath may not work with the new API. Like TinyXML itself TinyXPath is distributed under the zLib license...
How can I find the actual path found by BFS? http://stackoverflow.com/questions/9590299/how-can-i-find-the-actual-path-found-by-bfs problem I'm trying to solve concerns a tree of MRT system. Like this one Feel free to ignore the Chinese words though. Each..
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