开发者_运维技巧I have a list which contains a number of things: lista = [\'a\', \'b\', \'foo\', \'c\', \'d\', \'e\', \'bar\']
I have a User class that has a String username开发者_运维知识库 in it. I have a list of users that I\'m trying to display in a table using
Code with iterators looks pretty muc开发者_StackOverflow社区h like code with pointers. Iterators are of some obscure type (like std::vector<int>::iterator for example).
According to C++ standard (3.7.3.2/4) using (not only dereferencing, but also copying, casting, whatever else) an invalid pointer is undefined behavior (in case of doubt also see this question). Now t
I would like to copy the content of one std::map into another. Can I use std::copy for that? Obviously, the following code won\'t work:
I have a class which is being operated on by two functions. One function creates a list of widgets and writes it into the class:
Please don\'t mind that there is no insert fnc and that data are hardcoded. The main purpouse of it is to correctly implement iterator for this container.
I\'m trying to build a string using data elements stored in a std::list, where I want commas placed only between the elements (ie, if elements are {A,B,C,D} in list, result string should be \"A,B,C,D\
I use a jquery selector : $(\'#menus>ul>li>a\') I\'d like to to iterate the selector result without the last one:
I\'m trying to calculate the distance between two points. The two points I stored in a vector in C++: (0,0) and (1,1).