for_each(users.begin(), users.end(), bind2nd(mem_fun_ref(&USER::WriteDetailStat), true));
for_each(users.begin(), users.end(), mem_fun_ref(&USER::WriteStat));
for_each(users.begin(), users.end(), mem_fun_ref(&USER::WriteConf));
for_each(users.begin(), users.end(), bind2nd(mem_fun_ref(&USER::WriteDetailStat), true));
for_each(users.begin(), users.end(), mem_fun_ref(&USER::WriteStat));
for_each(users.begin(), users.end(), mem_fun_ref(&USER::WriteConf));