Django Formsets manage complex repeating form fields in a view. Using the forms, you can find out how many forms were originally there, which ones have been changed, and which ones need to be deleted.
Like forms and form models, …

I share my implementation of built-in tags to form breadcrumbs with support for schema.org markup, as well as support for bootstrap css.

Wrote these tags to speed up site development speed. Now the work moves much faster, because the code …

Example of the design pattern An object pool in the Python programming language.

"""
Offer a significant performance boost; it is most effective in
situations where the cost of initializing a class instance is high, the
rate of instantiation of …

An example of an abstract factory in the Python programming language

"""
Provide an interface for creating families of related or dependent
objects without specifying their concrete classes.
"""
 
import abc
 
 
class AbstractFactory(metaclass=abc.ABCMeta):
    """
    Declare an interface for operations that …

See Using QSettings in PyQt5. I propose to write a small application, which will be a single check box, the state of which we will save in the settings. Status checkbox will be saved by clicking on the checkbox. After …