22.11.2018 
We accumulated 500.000 plus samples of sensor data appended in a huge array. To view this growing sensor information as a waveform graph without visiting all data points in a single pass, we need to cheat...
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KDAB Training at Qt World Summit Berlin 5th December 2018
KDAB offered eight superb Training Classes in Berlin, you can see the list below, which includes one run by our long-term collaborator, froglogic. All the rest were delivered by KDAB engineers. There were five classes in our Introductory group, and three in the Advanced. Read the descriptions carefully to see which one you’d have liked […]
Qt World Summit 2018 Boston ("Don't you wish your framework was Qt like me?")
This year’s North American stop on the Qt World Summit world tour was in Boston, held during the Red Sox’s World Series win. Most of us were glad to be flying home before celebration parades closed the streets! The Qt community has reason to celebrate too, as there’s an unprecedented level of adoption and support […]
KDAB at Embedded Technology, Japan 14-16 November 2018
KDAB is proud to announce that for the first time ever we will be present at Embedded Technology outside of Tokyo in Japan. Every year more than 25000 visitors attend over 3 days! The event takes place in the Pacifico Yokohama exhibition center and focuses on Embedded AI, IoT Wireless Technology, Smart Sensing and Safety […]
KDAB au Capitole du Libre 2018 17 - 18 novembre, Toulouse, France
Du 17 au 18 novembre, KDAB sera présent au Capitole du Libre 2018 à Toulouse. Depuis sa création en 2011, KDAB (France) soutient le monde du logiciel libre en étant Sponsor Or du Capitole du Libre. L’événement qui a lieu à l’INP-ENSEEIHT à Toulouse accueille environ 1500 participants chaque année et l’entrée y est libre […]
New in Qt 5.11: improvements to the model/view APIs (part 2) Automated validity checks using QAbstractItemModelTester
In the last episode of this series we discussed QAbstractItemModel::checkIndex(). QAbstractItemModel::checkIndex() is a function added in Qt 5.11 that allows developers of model classes to perform some validity checks on the QModelIndex objects passed to the model; specifically, on the indices passed to the APIs that model classes need to implement (rowCount(), columnCount(), data, setData(), […]
Clazy 1.4 released presenting 10 new Qt compile-time checks
Clazy 1.4 has been released and brings 10 new checks. Clazy is a clang compiler plugin which emits warnings related to Qt best practices. We’ll be showing Clazy at Qt World Summit in Boston, Oct 29-30, where we are a main Sponsor. You can read more about it in our previous blog posts: How to […]
Extending the Performance Analysis Toolset KDAB at Embedded Linux Europe - Oct 22nd - 24th
The Linux Foundation holds its Open Source Summit + Embedded Linux Conference Europe in Edinburgh, October 22 – 24, 2018 In spite of the clumsy name, this is an event you won’t want to miss! KDAB’s Christoph Sterz will be presenting a talk on Tuesday, October 23 • 15:50 – 16:30: Extending the Performance Analysis Toolset […]
KDAB demos at Qt World Summit, Boston October 29th to 30th
KDAB is the main sponsor at Qt World Summit. In Boston, we’ll be co-hosting a training day on October 29th, offering both Introductory and Advanced one day training classes at a knock-down price. Find out more here. On October 30th, you can listen to two talks from KDAB experts: Creating compelling blended 2D/3D applications – a […]
Efficient custom shapes in Qt Quick Because rectangles, even rounded ones, can only get you so far.
QtQuick includes basic visual item to construct many common user-interface components, but people often ask how to create different visual appearances, beyond rectangles, round-rectangles and images. There’s various solutions to this problem, and with Qt 5.10, there’s the new Shapes module which makes it easy to define paths, ellipses and other standard SVG drawing elements. […]