• Skip to main navigation
  • Skip to main content
  • Skip to footer
  • Home
  • Services
  • Contact
  • About
  • Blog
  • Skip to menu toggle button
OGL Logo

One Giant Leap

Data Engineering with Impact

  • Join on LinkedIn
  • Github
  • BlueSky
  • Back to top ↑

Category: Coding tips

Uniform test data

Today’s post is a short one. I’ve been working on a project that required supporting multiple data backends. To simplify…
Continue reading “Uniform test data”…
Posted on: 2026-03-20 Last updated on: 2026-03-20 Comments: 0 Written by: Bart Zwemmer
All checks passed, happy developer

UV, Pre-commit and no global python

Working on different projects in the same time, I aim to keep my development environment minimal, predictable, and free of…
Continue reading “UV, Pre-commit and no global python”…
Posted on: 2026-01-27 Last updated on: 2026-01-27 Comments: 0 Written by: Bart Zwemmer

Testing SQL functions

The world of Data Engineering – and LinkedIn as a consequence – is full with the latest and greatest tools…
Continue reading “Testing SQL functions”…
Posted on: 2025-09-28 Last updated on: 2025-09-28 Comments: 0 Written by: Bart Zwemmer
Spark UDF

PySpark OOP UDF

Snippets and tips to create a PySpark UDF
Continue reading “PySpark OOP UDF”…
Posted on: 2025-07-13 Last updated on: 2025-08-06 Comments: 0 Written by: Bart Zwemmer
kubernetes tips and tricks

Kubernetes network debugging pod

Learn how to run a throw-away pod in your Kubernetes cluster for easy debugging.
Continue reading “Kubernetes network debugging pod”…
Posted on: 2024-09-30 Last updated on: 2025-07-15 Comments: 0 Written by: Bart Zwemmer
Copyright One Giant Leap 2026
  • Join on LinkedIn
  • Github
  • BlueSky
  • Back to top ↑
Scroll Up