Running BI on MongoDB through Trino
May 17, 2024How to make dashboards with a MongoDB database
Written by Frédéric Gessler Deep learning, hardware accelerators and compilers enthusiast. Hacker. Builder. EPFL and Amazon alumni
Introduction to focus tracking
May 12, 2024HotKey: a new way to track time
How to refresh an imagePullSecret token secret, the hard way
January 06, 2024Enforce good security practices by setting expiration dates on your docker registry tokens
How to properly benchmark queries on Snowflake
December 22, 2023Properly working with the cache when measuring query performance on Snowflake
How DuckDB enables unit testing SQL queries
August 05, 2023During my first data engineering gig at Amazon in the audience insights team, I took for granted the unit testing of Spark code. Those were…
Detecting missing data with z-scores
May 01, 2023Detecting missing data with z-scores
JWT with CORS for FastAPI
September 25, 2022How to write a custom FastAPI middleware with CORS enabled and JWT authentication
Spark Shuffle, the good and the bad
March 25, 2022Discussing the implementation of Shuffling in Spark
How is NCCL so fast?
December 27, 2021NCCL: Behind the Curtain
Autofocusing a microscope (SEM) in Python
February 24, 2021Using Brent's method to autofocus an electron microscope online