April 2018
Beginner
714 pages
18h 21m
English
book
Game Programming using Qt 5 Beginner's Guide - Second Edition
by Pavel Strakhov, Witold Wysota, Lorenz Haas
Content preview from Game Programming using Qt 5 Beginner's Guide - Second Edition
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Reading and writing files
Once you know the path to a file (for example, using QDir::entryList(), QFileDialog::getOpenFileName(), or some external source), you can pass it to QFile to receive an object that acts as a handle to the file. Before the file contents can be accessed, the file needs to be opened using the open() method. The basic variant of this method takes a mode in which we need to open the file. The following table explains the modes that are available:
| Mode | Description |
|
ReadOnly |
This file can be read from. |
|
WriteOnly |
This file can be written to. |
|
ReadWrite |
This file can be read from and written to. |
|
Append |
All data writes will be written at the end of the file. |
|
Truncate |
If the file is present, its ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.