QSQLITE logic error

[cyberboy]

this may sound really stupid, but when I do a qDebug() I don't know where it dumps the output (yeah I'm a beginner)

[przemoc]

this may sound really stupid, but when I do a qDebug() I don't know where it dumps the output (yeah I'm a beginner)

I'm also a beginner, but I know that using documentation is crucial: qDebug(). If you don't know what is stderr (is it possible for programmer?), try Wikipedia: stderr.