Qt 5.4 released

I am happy to announce that Qt 5.4 has been released today and is available for download from qt.io. Together with Qt 5.4, we have also released Qt Creator 3.3 and an update to Qt for device creation on embedded Linux and embedded Android.

But let’s start with Qt 5.4. One of the main focus areas of this Qt release has been around Web technologies and we have a lot of cool new things to offer there...

HTTP and HTTPs in Qt

by Jens Weller

Last week I started to work on an old project again: My own feed reader. I found the code 2 weeks a go on an old USB Stick, and decided to refactor it into a useful state. This involved dealing with HTTP via QNetworkAccessManager.

Qt & JSON

by Jens Weller

With Qt5 there is a new API for reading and writing JSON files in Qt. In the last days I had the chance to play around with this API, as I implemented importing and exporting different data sets from and to JSON.

Writing a bar graph widget in Qt

by Jens Weller

Today I had a little fun with Qt and wrote a widget for displaying a bar graph. I have two different situations where I need the bar graph in my back end: displaying the votes a single talk got, and displaying one big bar graph of all the talks.