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About Me

Hi there! My name is Vitor Freitas. I’m a Web Developer from Brazil 🇧🇷. Currently living in Finland 🇫🇮, pursuing a Ph.D. in Software Engineering.

I work at the University of Oulu on the M3S Research Unit. On my free time, I like to write about Python and Django on Simple is Better Than Complex.

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Simple is Better Than Complex

How to Use Chart.js with Django January 19, 2020
Chart.js is a cool open source JavaScript library that helps you render HTML5 charts. It is responsive and counts with 8 different chart types. In this tutorial we are going to explore a little bit of how to make Django talk with Chart.js and render some simple charts based on data extracted from our models. […]
How to Save Extra Data to a Django REST Framework Serializer April 7, 2019
In this tutorial you are going to learn how to pass extra data to your serializer, before saving it to the database. Introduction Example Using APIView Example Using ViewSet Introduction When using regular Django forms, there is this common pattern where we save the form with commit=False and then pass some extra data to the […]
How to Use Date Picker with Django January 3, 2019
In this tutorial we are going to explore three date/datetime pickers options that you can easily use in a Django project. We are going to explore how to do it manually first, then how to set up a custom widget and finally how to use a third-party Django app with support to datetime pickers. Introduction […]
How to Implement Grouped Model Choice Field January 2, 2019
The Django forms API have two field types to work with multiple options: ChoiceField and ModelChoiceField. Both use select input as the default widget and they work in a similar way, except that ModelChoiceField is designed to handle QuerySets and work with foreign key relationships. A basic implementation using a ChoiceField would be: class ExpenseForm(forms.Form): […]
How to Use JWT Authentication with Django REST Framework December 19, 2018
JWT stand for JSON Web Token and it is an authentication strategy used by client/server applications where the client is a Web application using JavaScript and some frontend framework like Angular, React or VueJS. In this tutorial we are going to explore the specifics of JWT authentication. If you want to learn more about Token-based […]