Download Large Dropbox Folders with Python
Learn how to download large Dropbox folders that exceed Dropbox's web interface limits using Python and the Dropbox API
Research & practice
Writing
Notes on research, intelligent mobility, data systems, and the practical work of building with AI.
2025
2024
Dataset Tracking With DVC: A Practical Guide for MLOps
A comprehensive guide to implementing Data Version Control (DVC) in your machine learning workflow. Learn how to set up DVC with DigitalOcean Spaces, track datasets efficiently, and maintain reproducibility in your ML …
Solving Memory Issues When Loading Parquet Files into Pandas DataFrames
A practical guide to solving memory optimization issues when working with Parquet files in Pandas. Learn how to handle dictionary columns efficiently, reduce memory consumption from 90GB to manageable levels, and …
Towards a Conversational LLM-Based Voice Assistant for Transportation Applications
KITT is an in-car assistant capable of verbally communicating with the driver, and by utilizing external APIs, it can answer questions related to routing, finding points of interest, and is aware of the local weather and …
2022
Plot GPS Trajectories using Matplotlib
One of my favorite Python map libraries is Folium, it allows you to create interactive maps using leaflet.js. However interactivity which is its main feature is also its greatest disadvantage, it does not allow you to …
Visualize GPS Trajectories with Kepler.gl
Have you ever wanted to visualize a (large) number of GPS trajectories? This is something that I’ve done a lot in the past and over the years I’ve been able to do it in a lot of different ways. Luckily these …
Retrieving Data From a JSON API With Python
For a long time, I had in mind to write a post on visualizing GPS trajectory data. To my surprise, it’s difficult to find a couple of data samples online that you can quickly use for some data analysis. At work, we …
2019
What is driver identification?
The prevalence of smartphones have changed our lives, perhaps mostly for better but in a few cases they have caused harm. Gig-economies only made possible thanks to smartphones, and interestingly enough there are still …
A trick for pandas groupby!
I often work with sensor measurements such as those from car CAN-bus. These measurements are often collected over multiple sessions, but rarely these sessions are indicated by a proper identifier. Sometimes timestamps …
NGINX in docker
How to build a NGINX docker image with GeoIP2 module