Perfect for (unexperienced) developers who just need a complete, working, fast and secure API — You have a great python program that you want to make available to the world. With FastAPI you can speedily create a superfast API that’ll allow you to make your Python code available for other users. In this article we’re going to create an API in 5 lines of code…

A deep dive into Python virtual environments, pip and avoiding entangled dependencies — If you work on a lot of different projects then you’ll recognize the dependency-hell of multiple projects requiring multiple versions, of multiple packages. You can’t just install all packages globally, how do you keep track? Also what happens when projectA needs PackageX_version1 and ProjectB needs PackageX_version2? …

Manage your infrastructure in the same ways you manage your applications — Docker is a fantastic tool that makes our lives much easier offering us standardization, productivity, efficiency, maintainability and compatibility of our code. It allows us to continuously and rapidly deploy and test our code and it is platform-independent. If you are unsure of what Docker is, what to use it…

Tinkering with Python’s constructor to create fast, memory-efficient classes — Did you know that the __init__ method is not a constructor? But if __init__ doesn’t create the object, then what does? How do objects get created in Python? Does Python even have a constructor? The goal of this article is to better understand how Python creates objects so that we…

Create, build an publish a Python Package in 5 minutes — Python packages are collections of reusable code that can be easily shared and implemented across projects. We can write our code once and use it many times in many places. Packages allow us to share our code with colleagues or even the global developer community. …

One line of code for a 20% performance increase? — Slots are a mechanism that allow you to declare class attributes and restrict the creation of other attributes. You establish which attributes your class has, preventing developers from adding new attributes dynamically. This generally leads to a 20% speed increase. Slots are especially beneficial in programs where you have a…

How to detect, understand, and eliminate bottlenecks in Python for a 1500x speed increase — My philosophy centers around attempting simple solutions before resorting to complex ones. By exploring the easy methods in this article, you may find the performance increase you need, sparing yourself the intricacies and countless hours required for implementing and debugging multiprocesssing, threads or packages written in another language.

5 minute guide to UNION, EXCEPT and INTERSECT in SQL — In this article we dive deep in three often overlooked SQL operators: EXCEPT, INTERSECT and UNION. We will: use clear examples and visuals to thoroughly understand the concepts understand the ‘rules’ of the operator to really grasp how to use them explore a more complex example understand the difference with…

A deep dive into how Python passes arguments and mutability to prevent unexpected bugs — In this article we’ll put on our detective hat and solve a “Python Mystery”. In this episode we’ll find out how a function that doesn’t return a value can alter a variable. (see below for example). This is not all: it only ‘works’ on some types of variables. …