Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ImportError: Attempted Relative Import With No Known Parent Package
The best solution is to run the Python script as a Python module. However, you have to add the directory …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Checkbutton is preferred to tk.Checkbutton.
It seems to me that the Checkbutton.bind doesn't work.
However,
specifying a callback function using the command option
when creating a Checkbutton still …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Entry is preferred over tk.Entry.
ttk.Entry/tk.Entry does not have a set method to set the text directly.
Instead,
you have to first delete the text and …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Label is preferred over tk.Label.After creating a Label (whose text has already been set), there are 3 different approaches that …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Tkinter should be available by default after Python is installed. However, please continue read if you encounter the following error.
import _tkinter # If this fails your Python may not be …
The Pythonic way of checking whether a collection (string, list, set, dict, etc.) coll
is non-empty is to use if coll.
However,
do NOT use if arr to check whether a numpy array is non-empty or not.
Instead,
you shoule use arr.size >0 to check whether a numpy array is non-empty or not.