Green threads
Green threads are execution threads that are managed by a virtual machine (VM) instead of the operating system. Green threads emulate a multi-threaded environment without …
Shallow Copying
Object copying can be performed as either "shallow" copying or "deep" copying. The difference between them lies in how nested objects are handled. In shallow …
NetworkX
NetworkX is a Python library for analyzing complex networks. It provides data structures for working with graphs (networks) and implements many algorithms for network data …
Asynchronous code
Asynchronous code is an approach to writing code that allows multiple tasks to be executed simultaneously within a single process. This is achieved through the …
Why shouldn't you use an empty list as a default argument?
Default values for function arguments are evaluated only once when the function is defined, not each time it's called. Therefore, if you use a mutable …
Removing the background from an image
rembg is a useful library that easily removes the background from any photograph. Installation: pip install rembg
Dynamic module loading
Dynamic module loading in Python is the process of importing a module at runtime, as opposed to static imports that occur at compile time. This …
Protocols
The terms "iterator protocol" or "descriptor protocol" are already familiar and have been used for a long time. However, now protocols can be described in …
Increment with __pos__
In Python, there is no increment operation ++ like in C-like languages, so x += 1 is used instead. However, the expression ++x is valid …
Singleton design pattern
class Singleton: instance = None def __new__(cls): if cls.instance is None: cls.instance = super().__new__(cls) return cls.instance a = Singleton() b = Singleton() print(a is b) …
Getting geolocation by IP using ip2geotools.
Recently, I discovered an intriguing package, ip2geotools which provides the ability to obtain geolocation by IP from various databases. An example of code to get …
Unlocking Windows GUI Automation with Pywinauto: A Python Developer’s Guide
Introduction Automation is a powerful tool for enhancing productivity, and Python, with its vast ecosystem of libraries, is a go-to language for automating tasks. While …
Working with Object Attributes
Besides the usual way of accessing object attributes using dot notation, Python provides four special functions: getattr, setattr, delattr, and hasattr. From the names, it's …
Using Type Annotations in Python
Python, a dynamically typed language, allows working with variables of various types. However, this flexibility can sometimes lead to errors due to incorrect type usage. …