c++ Programming Glossary: reallocations
Why does std::stack use std::deque by default? http://stackoverflow.com/questions/102459/why-does-stdstack-use-stddeque-by-default container for it a deque instead of a vector Don't deque reallocations give a buffer of elements before front so that push_front is..
Does std::vector.pop_back() change vector's capacity? http://stackoverflow.com/questions/1536753/does-stdvector-pop-back-change-vectors-capacity that pop_back may break the reserved capacity and cause reallocations c stl vector memory allocation share improve this question..
What is the most efficient way to append one std::vector to the end of another? http://stackoverflow.com/questions/2208293/what-is-the-most-efficient-way-to-append-one-stdvector-to-the-end-of-another insert might be implemented inefficiently and do several reallocations also something to test with a particular implementation . ..
C++ equivalent of StringBuffer/StringBuilder? http://stackoverflow.com/questions/2462951/c-equivalent-of-stringbuffer-stringbuilder this to the main string thus reducing the number of reallocations required on the main string as it gets larger. I have not required..
Qt: Best way to implement “oscilloscope-like” realtime-plotting http://stackoverflow.com/questions/3848427/qt-best-way-to-implement-oscilloscope-like-realtime-plotting as is mostly the case with data acquisition it needs no reallocations it automatically keeps a history and can be implemented with..
Efficient way of reading a file into an std::vector<char>? http://stackoverflow.com/questions/4761529/efficient-way-of-reading-a-file-into-an-stdvectorchar std istreambuf_iterator char If you are worried about reallocations then reserve space in the vector #include iterator ... std ifstream..
How to reuse an ostringstream? http://stackoverflow.com/questions/624260/how-to-reuse-an-ostringstream 0 for inputs seek get ptr to start That will prevent some reallocations done by str by overwriting whatever is in the output buffer..
How to use istream with strings http://stackoverflow.com/questions/6510923/how-to-use-istream-with-strings to perform repeated concatenations with resulting memory reallocations which are very slow. My favourite one liner from another answer..
QVector vs QList http://stackoverflow.com/questions/6602036/qvector-vs-qlist gain all the benefits of quick insertions at both ends and reallocations involve shuffling pointers instead of copy constructors but..
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