Hello,
I don't know about the "most efficient", but always have found the
following approach the most readable and easy to manage:
QString thumbPath =
QStringLiteral("%1/thumb_%2.jpg").arg(getProjectDir()).arg(basename);Kind regards. On Tue, Dec 15, 2015 at 12:02 PM, Julius Bullinger < julius.bullin...@asctec.de> wrote: > Hello, > > > > What is the currently recommended way to concatenate several QStrings > and/or string literals? Take this code as an example: > > > > QImage img; > > QString getProjectDir(); > > // ... > > > > QString basename = QFileInfo(imgPath).baseName(); > > QString thumbPath = getProjectDir() + "/thumb_" + basename + ".jpg"; > > img.save(thumbPath); > > > > I found several blog posts and wiki articles recommending one or multiple > of: > > > > 1. QStringLiteral > > 2. QLatin1String > > 3. QStringBuilder > > 4. Simple string literals > > > > Since this may have changed over time, what do current best practices say? > > > > Best regards, > > Julius > > > > [1]: http://blog.qt.io/blog/2014/06/13/qt-weekly-13-qstringliteral/ > > [1] and [2]: http://woboq.com/blog/qstringliteral.html > > [3:] https://wiki.qt.io/Using_QString_Effectively and > > > http://blog.qt.io/blog/2011/06/13/string-concatenation-with-qstringbuilder/ > > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > >
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