Using Free Let's Encrypt SSL Certificates in 2025

I'm seeing a stream of "year in review" blog posts about all sorts of topics pop up to coincide with the start of 2025. I'm not sure if this is going to be a new tradition for me, but to follow this trend in this article I'm going to give you my review of the most interesting things that happened in the Flask ecosystem in 2024.

My standard response when someone asks me how I deal with Python being such a slow language is that Python is by far the fastest to write, cleanest, more maintainable programming language I know, and that a bit of a runtime performance penalty is a small price to pay when I'm rewarded with significant productivity gains. I rarely feel Python...

I often come across developers who know the mechanics of Python error handling well, yet when I review their code I find it to be far from good. Exceptions in Python is one of those areas that have a surface layer that most people know, and a deeper, almost secret one that a lot of developers don't even know exists. If you want to test yourself...

I'm sure you agree that it has become impossible to ignore Generative AI (GenAI), as we are constantly bombarded with mainstream news about Large Language Models (LLMs). Very likely you have tried ChatGPT, maybe even keep it open all the time as an assistant. A basic question I think a lot of people have about the GenAI revolution is where does...

You may have noticed that I have recently added a dark mode to this blog. The default color theme now follows the theme setting in your operating system by default, and you can also select which mode to enable from the top navigation bar. Nice, right? I have implemented this feature entirely in the front end, using CSS and a touch of JavaScript....