[Interest] reading from and writing to a file with QDataStream

[Nikita Krupenko]

2016-03-08 19:30 GMT+02:00 Thiago Macieira <thiago.macieira at intel.com>:
> Indeed, but look at how you've combined two or more examples. You have a byte
> array, you create a QDataStream on it, write some data, then you used
> QDataStream to write that byte array to another byte array. You probably
> didn't want that.

It could be useful, if I want to write checksum of the data to the
file. To do this, I can write
some data to the QByteArray wrapped in QDataStream, then calculate
checksum using
qChecksum() (or QCriptographicHash) and then write byte array and
checksum to the file.