22.12.2016 
We’re adding an exciting raft of new trainings to our schedule for 2017 and some new locations, including San Francisco, Seoul and Beijing. Throughout the year you will be able to sign up for top class, always-up-to-date, original-authored trainings, presented by fully qualified KDAB trainers, all engineers actively involved in delivering KDAB’s high quality projects. […]
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Writing Code That Won’t Kill A collection of reading material, white papers, and academic journals about functional safety
Functional Safety is the term used for systems designed to minimize risk to human health. But there’s a dilemma in today’s tech-driven world. We are more reliant than ever on software to control our planes, trains, cars, and boats, to operate our medical equipment, to process our food, to clean our water, and to power […]
Fixing bugs via lateral thinking Lessons learned by digging into obscure QML bugs
For today’s blog I would like to share with you the little adventure I had when fixing a very strange bug in Qt. Pop quiz Don’t think about this too much, just guess: what does this QML snippet print? There are no JavaScript semantic tricks involved; and using either == or === does not change […]
QtCon Videos On-line
We’re delighted all the QtCon talks have now been released, thanks to the hard work of the folks at KDE. Many KDABians attended QtCon and contributed to the unique new Qt event we co-created in Berlin, September 2016, along with Qt Contributors, KDE Akademy, VideoLan and FSFE. KDAB funded the event upfront and was Gold sponsor at QtCon […]
Fuzzing Qt for fun and profit A brief introduction to fuzzing and how we successfully use it in Qt
Many KDAB engineers are part of the Qt Security Team. The purpose of this team is to get notified of security-related issues, and then decide the best course of action for the Qt project. Most of the time, this implies identifying the problem, creating and submitting a patch through the usual Qt contribution process, waiting […]
CppCon Special Report
KDAB has long supported the C++ community, as C++ is the backbone of Qt and up-to-date knowledge of its changes keeps us on the leading edge in the Qt world. Later this year we shall be supporting Europe’s Meeting C++ in Berlin, but now that this year’s talks have been released we felt it was […]
Tuple And Pair in C++ APIs? A Simple Design Goal to Improve Your C++ APIs
Quick: When you design C++ APIs, when and how should you use pair and tuple? The answer is as simple as it is surprising: Never. Ever. When we design APIs, we naturally strive for qualities such as readability, ease-of-use, and discoverability. Some C++ types are enablers in this regard: std::optional, std::variant, std::string_view/gsl::string_span, and, of course, […]
KDAB talks at QtCon 2016
Hello! This is a small wrap-up fromQtCon, the biggest Qt event in Europe in 2016, that happened at the beginning of September. At QtCon the Qt community joined forces with the KDE, FSFE and VideoLAN communities, to create an exciting event in the spirit of open collaboration and participation amongst projects. During QtCon many KDAB […]
CppCon and Qt
KDAB was proud to sponsor CppCon this year, continuing to foster the Qt / C++ connection, talking about Qt and soaking up the immense range of C++ knowledge on display. KDAB’s Giuseppe D’Angelo gave a much appreciated, two-day Qt Widgets training as a pre-conference class, a condensed version of one of our scheduled Qt trainings, […]
Goodbye, Q_FOREACH A porting guide to C++11 ranged for-loops
Q_FOREACH (or the alternative form, foreach) will be deprecated soon, probably in Qt 5.9. Starting with Qt 5.7, you can use the QT_NO_FOREACH define to make sure that your code does not depend on Q_FOREACH. You may have wondered what all the fuss is about. Why is there a continuous stream of commits going to into Qt […]