Various pieces of code for various tasks :)
When you need to compare two JSON data structures without caring about order of dictionary keys, or just get a hash that will not change as long as the data structure doesn't semantically vary, check out the json_sem_hash.py module.
Various, see the docs in the helm.py file.
The PyQt5 website indicates that using @pyqtSlot(...) decreases the amount
of memory required and increases speed, although the site is not clear in what way. I wrote
pyqt5_connections_mem_speed.py to get specifics on this statement.
Results are discussed in a CodeProject article
Utility components to check whether a widget looks identical or similar within tolerance to an existing snapshot of it. Discussed in CodeProject article.