c++ Programming Glossary: vector
Default constructor with empty brackets http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets instance of the same problem std ifstream ifs file.txt std vector T v std istream_iterator T ifs std istream_iterator T v is interpreted.. The workaround is to add another pair of parentheses std vector T v std istream_iterator T ifs std istream_iterator T Or if.. also known as uniform initialization available std vector T v std istream_iterator T ifs std istream_iterator T With this..
How to split a string in C++? http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c into a container using the same generic copy algorithm. vector string tokens copy istream_iterator string iss istream_iterator.. string iss istream_iterator string back_inserter vector string tokens ... or create the vector directly vector string.. back_inserter vector string tokens ... or create the vector directly vector string tokens istream_iterator string iss istream_iterator..
What is The Rule of Three? http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three this style and get into trouble I pushed a person into a vector and now I get crazy memory errors Remember that by default copying..
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 x char y void f no harm if there's a function static std vector char v static members do not matter struct AggregateButNotPOD1..
How do I use arrays in C++? http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c that are easier to use and less error prone std vector T since C 98 and std array T n since C 11 so the need for arrays..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers T N a #endif Usage example #include iostream #include vector #include unordered_map #include map #include set #include array.. delimiters_values char pretty_print delimiters std vector double char values Custom delimiters for one off use struct.. um std map int std string om std set std string ss std vector std string v std vector std vector std string vv std vector..
Iterator invalidation rules http://stackoverflow.com/questions/6438086/iterator-invalidation-rules Invalidation Rules C 03 Insertion Sequence containers vector all iterators and references before the point of insertion are.. from underlying container Erasure Sequence containers vector every iterator and reference after the point of erase is invalidated.. inherited from underlying container Resizing vector as per insert erase 23.2.4.2 6 deque as per insert erase 23.2.1.2..
C++ Vector of Pointers to Objects http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects Vector of Pointers to Objects I'm using a vector of pointers to objects...
Inserting elements in multidimensional Vector http://stackoverflow.com/questions/13936733/inserting-elements-in-multidimensional-vector elements in multidimensional Vector vector vector int sort_a vector int v2 vector int v3 for int.. 4 j v3.push_back j sort_a.push_back v2 sort_a.push_back v3 Vector sort_a should be a 4x4 array instead the output is 31x1 with..
C++ STL: Array vs Vector: Raw element accessing performance http://stackoverflow.com/questions/2740020/c-stl-array-vs-vector-raw-element-accessing-performance STL Array vs Vector Raw element accessing performance I'm building an interpreter.. any experience or information what of the both is faster Vector or Array All what matters is the speed I can access an element..
C++ template typedef http://stackoverflow.com/questions/2795023/c-template-typedef class Matrix .... I want to make a typedef which creates a Vector column vector which is equivalent to a Matrix with sizes N and.. with sizes N and 1. Something like that typedef Matrix N 1 Vector N Which produces compile error. The following creates something.. similar but not exactly what I want template int N class Vector public Matrix N 1 Is there a solution or a not too expensive..
C++ templates declare in .h, define in .hpp http://stackoverflow.com/questions/3526299/c-templates-declare-in-h-define-in-hpp and what files they should be in For example say I had a Vector class template with methods for vector operations add subtract..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers p std endl std array char 5 a 'h' 'e' 'l' 'l' 'o' std cout Vector v std endl Incremental vector vv std endl Another vector vd..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly often won't do. The simplest example I know is a 2 D Vector class. So simple yet tricky. I want to be able to construct..
Heap vs Stack allocation http://stackoverflow.com/questions/6713637/heap-vs-stack-allocation and how delete should be called. For example I have class Vector. I would like to make an array of these. I could either do this.. like to make an array of these. I could either do this Vector v new Vector 100 create an array of 100 pointers to 100 Vector.. an array of these. I could either do this Vector v new Vector 100 create an array of 100 pointers to 100 Vector objects This..
Is stl vector concurrent read thread-safe? http://stackoverflow.com/questions/7455982/is-stl-vector-concurrent-read-thread-safe available in the list. I am looking for following use case Vector is initialized with few elements of type std string. Lets say..
Why vector<bool>::reference doesn't return reference to bool? http://stackoverflow.com/questions/8399417/why-vectorboolreference-doesnt-return-reference-to-bool c compiler errors g share improve this question Vector is specialized for bool . It is considered a mistake of the..
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