basysKom Application development

THE BLOG

basysKom, Qt, Cloud, IoT, open62541, OPC UA, HMI Development and more.

OPC UA open62541

Qt OPC UA: Logging improvements in Qt 6.1

So far programs using Qt OPC UA with the open62541 back-end produced quite a bit of chatter on stdout originating from the open62541 stack itself. Unfortunately there was no simple way to get rid of these low-level logs. We now provide a way to control this behavior.

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Qt

Speedup your Qt/QML list scrolling on lowend devices

Something that has traditionally been complicated to achieve in Qt/QML, especially on low end hardware, is high performant list scrolling with complex delegates.
This has recently changed. In Qt 5.15, it is as simple as setting the new QML ListView property called reuseItems to true. For more details, have a look at the documentation.
In this blog post, I will explain how you can implement this feature in Qt Versions prior to 5.15.

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