This example code is explained in the STXXL Vector section.
#include <iostream>
int main()
{
vector my_vector;
for (int i = 0; i < 1024 * 1024; i++)
{
}
std::cout << my_vector[99] << std::endl;
my_vector[100] = 0;
while (!my_vector.empty())
{
my_vector.pop_back();
}
return 0;
}