Python Singleton Pattern implementation with LRU
Hello and happy new year! 🥳🙌
I’ve made a video on how to implement the singleton pattern in Python using the LRU cache.
Design Pattern
Context Managers and Cross Cutting concerns in Python
·4 mins
Hello,
In this short article I would like to talk about context managers. I personally consider that at the core they are just a form of decorators. If you don’t know what a decorator is check the Decorator Pattern Wikipedia article.
Method Injection and Property Injection Design Patterns
Hello,
In this article we’re going to explore the Method Injection and Property Injection design patterns.
To demonstrate the patterns I’m going to add a new interface named Encoder to the printer.py file and a concrete implementation for two encoders: Rot13Encoder and NullEncoder.
Constructor Injection and Null Object Design Patterns
The Constructor Injection design pattern is a pattern that helps you declare all the required dependencies of a class in it’s constructor.
Composition Root Pattern: How to Write Modular Software
The composition root is a design pattern which helps you structure a software application by implementing a class that builds all the other classes.