The repository and unit of work architectural patterns are utilised to create loosely coupled abstractions between the data access and business logic layers. Implementing these patterns helps insulate your application from changes, facilitates automated unit testing or test-driven development (TDD) and makes it easier to manage and maintain over time. …

Software has to be flexible in order to respond to change. Dependency injection is a technique for managing the dependencies between software components. …

Using Functional URLs and Terraform for Automated Deployment — Amazon Web Services (AWS) recently announced Function URLs, a new in-built feature that allows you to invoke your functions through an HTTPS endpoint. By default, the endpoint is secure using AWS Identity Access Management (IAM) but you can allow public access with optional Cross-Origin Resource Sharing (CORS) configurations and/or custom…

Being a Python developer for the past few years I’ve gathered a list of my favourite packages/tools that I use in almost every project. Developing is a team effort and at some point, someone is going to have to read and/or alter the code you have written. If the code…

Nowadays it's normal to have multiple bank accounts, especially with apps such as Revolut becoming a huge success in Ireland. The problem my friends and I find with having multiple bank accounts is, it’s difficult to easily manage our finances. I decided to resolve this problem by designing and developing…

I found it difficult to find cleanly typed Python code that implemented the abstract factory creational design pattern. Therefore, this is my implementation of a typed abstract factory in Python. The following code uses Python 3.8 and Mypy 0.91. Implementation The abstract factory we are going to implement is a game…