Qt download manager example that illustrates how to query the file size and whether the server supports resume functionality.

Original code taken from:

• http://kunalmaemo.blogspot.co.nz/2010/05/simple-download-manager-in-qt-with.html
• http://kunalmaemo.blogspot.co.nz/2011/07/simple-download-manager-with-pause.html
• https://gitorious.org/kunaltest/kunaltest/source/87fac9934ac327037fc637fdf7d2a28295da8d85:downloadmanager

Useful StackOverflow posts:

• http://stackoverflow.com/questions/12469072/is-it-possible-to-detect-the-resume-able-links-via-qnetworkaccessmanager
• http://stackoverflow.com/questions/10206898/how-to-download-large-file-quickly-in-qt
• http://stackoverflow.com/questions/1208821/reading-the-final-name-of-a-file-downloaded-using-qnetworkaccessmanager