摘要:
string mystr="100"; float price=200; stringstream(mystr) >> price; 阅读全文
posted @ 2009-10-23 15:18
Fan Zhang
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摘要:
ifstream in("STLExtension.h",ios::ate); if (in.is_open()) { cout << "file length is " << in.tellg() << endl; } 阅读全文
posted @ 2009-10-23 14:52
Fan Zhang
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