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An Unexpected C++ Journey Daniel Vrátil's informal debut at KDAB

Some of you may know that KDAB employees enjoy flexibility on working hours as well as location, and some choose to work from home, with the opportunity to share childcare, do part-time study or simply enjoy an out-of-the-way location. All that’s required is a decent bandwidth for KDAB work.

About once a year, all of KDAB employees come together so we can get to know each other in a different way. Among other things, it allows new members of the …

KDAB at Qt World Summit 2017

This year Qt World Summit was held once more at the Berlin Congress Centre, in central Berlin and had over 1000 attendees – clear testimony to the growth of the Qt Community, as Qt enables our interfaces with the world in multiple areas, from medical to automotive, from gaming to industrial machinery, on desktop, mobile and embedded. As the saying goes, “The future is written with Qt”.

KDAB once again hosted a pre-conference training day, this time attended by over …

Porting Applications to Qt - video presentation by Kevin Funk

KDAB has unique experience in porting the code base for toolkits like Qt 3, Qt 4, Motif, Java, Tcl, GTK, .NET, MFC, and Photon to Qt 5. Porting legacy GUI toolkits to Qt 5 is a job where proven experience saves a lot of time.

In this presentation we highlight the main problems facing developers using legacy toolkits, what migrations are and which approaches to migrations are possible. We give you a short overview of common guidelines in starting migrations …

Modernizing Legacy Systems Your 10 Step Guide to Software Migration - Matthias Kalle Dalheimer

Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment.

Regardless of what your current system was built with, moving the user interface portion can be one of your most difficult tasks. You may have languages, frameworks, and windowing systems that are …

Qi (Quantitive Imaging Systems) – Solving Cancer with Qt 3D

Solving cancer is probably the biggest mystery that we see unravel in our life. This is a complex one because cancer is not a single disease, there are a myriad of aspects that need to be uncovered.

Qi (Quantitive Imaging Systems) images biopsies from patients and then labels individual cells with over a hundred biomarkers. This allows us to understand how tumor biology works so we can find druggable targets to stop tumors progressing and metastasizing.

Michel Nederlof, CTO …

KDAB, MyScript and Qt Company to create new, non-distractive input method for the Automotive Industry

KDAB will be partnering with MyScript and The Qt Company to incorporate MyScript’s handwriting input technology into the Qt Automotive Suite. This integration will enable multimodal input capabilities using either the existing Qt Virtual Keyboard or a new handwriting input panel powered by MyScript technology.

KDAB’s Jan Arne Petersen  demonstrated some of the potential of this integration in his “Using Virtual Keyboards on Qt Embedded Devices” presentation at Qt World Summit 2017.

Volker Krause, Director Automotive at …

Profiling QtQuick HMI Performance on Embedded Linux by Thomas McGuire

QtQuick is a popular choice for creating HMIs for embedded devices. The hardware on these devices is often constrained and less performant than their desktop equivalents, this requires extra care from software developers in delivering a fluid user experience. KDAB is regularly involved in improving the performance of QtQuick HMIs on such devices for their customers.

In this demonstration, we will show how to profile and optimize the performance of a QtQuick speedometer, an example taken from an actual embedded …

Qt Automotive Suite video

KDAB’s experience with using Qt in the motor industry has shown us that a specifically tailored automotive Qt solution would be very valuable. So, with our partners The Qt Company and Pelagicore we created the Qt Automotive Suite, a comprehensive solution with a licensing model specifically designed for the automotive industry.

Read a more in-depth view of the Qt Automotive Suite…

GammaRay: Taking a deep look into your Qt application Volker Krause

GammaRay is a high-level runtime introspection tool for Qt applications. In this talk we will look at a number of real-world debugging and profiling problems and how the capabilities provided by GammaRay help you with those.

When creating applications we strive to use higher-level frameworks to obtain results quickly and reduce development effort and long-term maintenance cost. This however provides a few challenges during debugging and profiling. With conventional instruction-level tools we have to have a reasonable deep understanding on …

Multithreading with Qt Giuseppe D’Angelo

This talk introduces you to the fundamentals of threading in Qt. We will discuss how threads, QObjects and events interact together; how a thread affinity of a QObject has a play in signals and slots connections; and how you can leverage the modern C++11 threading capabilities in your Qt application.

Cross-platform thread support was introduced in Qt 2.2, released in 2000, ages before it finally got standardized by C++11. This support has allowed developers using Qt to successfully build countless …

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