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c++ Programming Glossary: x.beginDetermining if an unordered vector<T> has all unique elements http://stackoverflow.com/questions/2769174/determining-if-an-unordered-vectort-has-all-unique-elements of course template class T bool is_unique vector T x sort x.begin x.end O N log N return adjacent_find x.begin x.end x.end share..
Does std::vector::swap invalidate iterators? http://stackoverflow.com/questions/4124989/does-stdvectorswap-invalidate-iterators std vector int x 42 42 vector int y vector int iterator a x.begin vector int iterator b x.end x.swap y a and b still valid Pointing..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers o const C T x o open for typename C const_iterator i x.begin i x.end i Old school for auto i x.begin i x.end i if i x.begin.. C const_iterator i x.begin i x.end i Old school for auto i x.begin i x.end i if i x.begin o delim o i o close return o Now I've.. i x.end i Old school for auto i x.begin i x.end i if i x.begin o delim o i o close return o Now I've seen plenty of template..
http://stackoverflow.com/questions/4852658/polymorphic-iterators-in-c std array int 4 x 1 2 3 4 std copy make_filter_iterator x.begin x.end int i return i 2 make_filter_iterator x.end std ostream_iterator..
How do I initialize a member array with an initializer_list? http://stackoverflow.com/questions/5549524/how-do-i-initialize-a-member-array-with-an-initializer-list int il std copy x x 2 il.begin or std copy x.begin x.end il.begin or x.fill il.begin This way though you lose..
wrapping a list of structs with boost.python http://stackoverflow.com/questions/6776888/wrapping-a-list-of-structs-with-boost-python bool in T const x value_type const v return std find x.begin x.end v x.end static int index T const x value_type const v.. x value_type const v int i 0 for T const_iterator it x.begin it x.end it i if it v return i PyErr_SetString PyExc_ValueError.. static void del T x int i if i 0 i x.size iter_type it x.begin for int pos 0 pos i pos it if i 0 i int x.size x.erase it..
count the number of distinct absolute values among the elements of the array http://stackoverflow.com/questions/7136279/count-the-number-of-distinct-absolute-values-among-the-elements-of-the-array int const_iterator it for it A.begin it A.end it if find x.begin x.end abs it x.end x.push_back abs it return x.size c algorithm..
tr1::unordered_set union and intersection http://stackoverflow.com/questions/896155/tr1unordered-set-union-and-intersection their intersection in z using unordered_set_intersection x.begin x.end y.begin y.end inserter z z.begin Unlike bdonlan's answer..
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