The finished() signal is an equivalent of the QNetworkAccessManager::finished() signal that we used earlier. It is triggered as soon as a reply is returned—successfully or not. After this signal is emitted, neither the reply's data nor its metadata will be altered any more. With this signal, you are now able to connect a reply to a specific slot. This way, you can realize the scenario on saving images that was outlined in the previous section.
However, one problem remains: if you post simultaneous requests, you do not know which one has finished and thus called the connected slot. Unlike QNetworkAccessManager::finished(), QNetworkReply::finished() does not pass a pointer to QNetworkReply; this would actually be a pointer ...
