Alessandro Marrella

A small TIL about Python profiling. tuna is a really handy tool that renders the output of cProfile and python -X importtime logs into an easy to navigate tree.

SQL is an amazing language, it lets you declaratively say what you want, and the engine figures out for you the best way to return it to you.

IN and EXISTS often produce the same result, but when negated and dealing with NULL values, they behave differently.

Today I learned how to run a webserver in Google Colab, without needing external services like ngrok.

Presentation I gave at the Dagster Community Meeting on the 21st of September, 2021 on how to use Dagster for machine learning purposes, with an explanation on why we chose that instead of Airflow.

Note: for this recipe you need a pizza stone to get best results.

Not letting it double.

By default, nix sets the epoch to be 1 (which corresponds to 1970-01-01), this causes some issues when building some Python packages.

I started learning Nix a few months ago, when it was introduced to the company I work for by some brilliant coworkers.

I spent the past few weeks fighting with Kubernetes Admission Controllers (also known as Mutating/Validating Webhooks).

Slides from the talk I gave at the Dublin Scala Users Group on the 23rd of January 2019