Latest articles

How to keep your PyQt6 GUI responsive when processing large numbers of updates

Passing the ApplicationContext to your MainWindow when using fbs for PyQt5 packaging

Why your .ui file works with fbs run but breaks after freezing, and how to fix it

Published 11.05.2020

How to fix the 'fbs_runtime' import error when running fbs projects outside of the fbs environment

How to open a second window from a button click using PyQt6 and Qt Designer .ui files

Understanding and reducing the size of Python GUI application installers

Why self.parent() doesn't mean what you think it means

Understanding why QDialog.exec() blocks your application and how to fix it

How to use QWebEngineView and other custom widgets in your Qt Designer layouts

How to safely update GUI widgets from background threads using signals and slots

Load your Qt Designer interfaces directly in fbs-based applications without converting to Python

Understanding why PyQt6 and PySide6 signals live on the class, not in __init__

Fix the common black background issue when painting on a QPixmap in PyQt6

How to gracefully shut down QThreadPool workers when closing your PyQt application

Control QRunnable workers in PyQt6 with start, stop, and pause functionality

Put a running task on hold, waiting for the UI

How the coordinate system works for drawing on canvases in PyQt6

Solving common errors when passing parameters to threaded Worker functions in PyQt5

How to make a QLabel drawing canvas resize with the window

Understanding Qt roles and why your table suddenly shows checkboxes, checkmarks, and filled squares

Empty strings are falsey in Python

Fix PyQtGraph 'time.clock' error in Python 3.8+

Use widget promotion to integrate your own Python widgets into Qt Designer layouts

How to use JSON, nested data, and other complex structures in your Qt table and list views