Louis de Bruijn

Medium member since May 2020

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Read writing from Louis de Bruijn on Medium. Data Scientist @ ING | Full stack Web Python | Engineer | https://louisdebruijn.com.

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Louis de Bruijn | July 22, 2025 | #medium #friends #stories

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Dealing with Random and Boosted Sample Data in Cross-Validation Apr 18, 2023 , 25 A Python implementation of cross-validation for random boosted sample data to prevent data leakage.

Shell scripts for Data Science in Python Jul 13, 2021 , 28 Learn the basics of command-line arguments in Bash so that you make the most of shell scripts in your work as a data scientist.

Five Tips for Automatic Python Documentation Jun 17, 2021 , 105 Create beautiful Python documentation in MkDocs & Material with these five automation steps and pre-commit Git hooks

Obey the Testing Goat! Do Nothing Until You Have a Test May 27, 2020 , 11 A test-driven development cycle is a vital part of the migration process of your Django app to production. Learn the basics of TDD in this brief introduction.

Email Verified User Registration and Password Reset in Django May 22, 2020 , 51 A tutorial detailing user registration and password reset routes for your Django app with e-mail verification and a unique token generation.

Why Developers Prefer Vanilla JavaScript over jQuery May 22, 2020 , 112 Over the last few years, the industry has developed a preference for vanilla JavaScript, without relying on external libraries.

How-to Use Custom View @decorators in Django Mar 15, 2020 , 138 Prevent unauthorised users from accessing views and provide feedback using the @decorator method, such as for RECAPTCHA protected form submissions

A complete NLP classification pipeline in scikit-learn Mar 13, 2020 , 79 Go from corpus to classification with this full-on guide for a natural language processing classification pipeline.

How-to form submissions with Flask and AJAX Dec 19, 2019 , 166 Submitting and validating forms according to the latest HTML5 standards and security measures without reloading the webpage

Implementing a Collaborative Filtering Movie Recommender from Implicit Feedback Aug 28, 2019 , 49 How-to guide for converting MovieLens-1m dataset to implicit feedback for a recommender system