84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
vector<char> vec{'h','e','l','l','o',',','w','o','r','l','d'}; ostringstream os; os << &*vec.begin(); string a=os.str();
获取到的os含有容器内未使用空间的数据,假设需要用string接收多个容器内容。这种读取到多余数据的结果如何避免?
小伙看你根骨奇佳,潜力无限,来学PHP伐。
copy(vec.begin(), vec.end(), ostream_iterator<char>(os, ""));
小伙看你根骨奇佳,潜力无限,来学PHP伐。