13.01.2021 
You know the drill: in C++ you need to #include header files that declare the types and functions from the libraries that you use. Qt is no exception in this regard. Qt follows a very nice convention for its own datatypes: if you need to use a type called QType, then use #include <QType>. This […]
Blog Archives
Full Stack Tracing, Part 3 Interpreting traces
This is the third and last installment of our series about full stack tracing. If you haven’t read them yet, you’ll probably want to check out the introduction and tool setup portions first. In this blog, we’re going to focus on visualizing and interpreting full stack traces. At this point, we’re going to assume that […]
Qt Desktop Days – Day 4
Wait, there’s more? Yes, indeed. Qt Desktop Days delivered a lot of great content we’ve just got to share. VLC and Qt, a history If you need to play the widest variety of audio, video, or streaming formats on the planet, you probably know about VLC (the “cone player”). But did you know that VLC […]
Qt and the unu dashboard
KDAB has been working closely together with unu to create the dashboard application for their next-generation of electric scooters. You can find out about these affordable, innovative, urban transport solutions and book a test ride here. unu is now launching the scooters. So in this blog post, we will have a look at some of […]
Dodging disruption with software – how to prevent commoditization
– Matthias Kalle Dalheimer If your company produces physical products, you might think that your most important asset is the in-depth experience acquired in your field, your loyal customer base, or your top-notch manufacturing facilities, not your software. However, over and over again, industry giants in many fields have been toppled by Silicon Valley start-ups […]
Full Stack Tracing Part 2 Environment setup
If you’ve read the first article in this series, you’ll know what full stack tracing is and why you definitely want it. This time, we’ll show you how to setup full stack tracing on your Linux system. There are two steps – first get everything configured to capture a trace, and then view and interpret […]
Full Stack Tracing Part 1 What is it and when is it useful?
Full stack tracing is a tool that should be part of every software engineer’s toolkit. It’s the best way to investigate and solve certain classes of hard problems in optimization and debugging. Because of the power and capability it gives the developer, we’ll be writing a series of blogs about it: when to use it, […]
Qt Desktop Days 7-11 September KDAB hosted online event
We are happy to let you know that the very first edition of Qt Desktop Days 2020 was a great success! Having pulled together the event at very short notice, we were delighted at the enthusiastic response from contributors and attendees alike. Over 500 registered attendees could enjoy five days of technical talks. The program shows […]
How to Build C++ Projects with the Address Sanitizer on Windows memory bug detection via compiler extension
Memory bugs are tricky. Leaks have a clear impact on performance, and quickly become hard to spot when heap allocated objects move too much. Memory access bugs, on the other hand, make your program crash right away, if you’re lucky. In less desirable cases, they may end up corrupting random objects on the heap, and […]
Heaptrack Version 1.2.0 Released Maintenance release of the fast Linux heap memory profiler
We have just released version 1.2.0 of Heaptrack, the fast heap memory profiler for C++/Linux applications. A bit of Background The Heaptrack fast heap memory profiler allows you to track all heap memory allocations at run-time. Afterwards, you can use the accompanying GUI tool to find optimization opportunities in your code by analyzing the recorded […]