The Tap Whisperer's Whiteboard

"Perspectives from the last mile of data"

All Posts

13 Jan 2026: Centralising Your Power BI Analytics Part 2 - The Implementation

The playbook for providing the structured process to consolidate report sprawl into a single semantic model.

6 Jan 2026: The Impossible Button

How to create a Power BI slicer with overlapping choices

29 Dec 2025: A Lesson In Invisible Design

Celebrating the extra effort an engineer takes to transform a brittle visible solution into a resilient invisible system that "just works".

22 Dec 2025: The Hidden Cost Of Data Reduction

When a simple schema change spills into UX, DAX and Data Integrity: A Power BI Case Study

15 Dec 2025: Centralising Your Power BI Analytics Part 1 - The Strategy

A step by step guide to building a single source of truth and escaping report sprawl and maintenance hell

8 Dec 2025: Keep It Simple But For Who?

"Keep It Simple" - The most misunderstood phrase in tech. Simple for who?

26 Nov 2025: The Importance of Dev Testing

Advocating for the developer to test their own work before passing to QA.

12 Nov 2025: What If The Obvious Isn't Obvious?

A reminder that your strengths might be invisible to you and invaluable to others

29 Oct 2025: The Taps Metaphor

Does Your Data Team Have A Tap Whisperer?

15 Oct 2025: Explicit measures vs the filter panel

Should the logic go in the DAX measure or in the filter panel?

1 Oct 2025: Please Don't Treat Power BI As A Pane Of Glass

Sports teams have specialist roles. Should data teams too?

1 Sep 2025: Writing Better Pull Request Comments for Power BI Changes

Increase your team's efficiency by helping your peers with your Pull Requests

8 Aug 2025: Power BI Documentation and Keeping Your Future Self Happy

Two tips for how to identify and distinguish measures and other objects in the model.

1 Aug 2025: An Iterative Approach To DAX Problems

An article describing a different approach to writing DAX successfully.

21 May 2025: Remaking charts using Vega-Lite in Deneb Custom Visual:

A series of posts re-creating visuals using Vega-Lite inside a Deneb custom visual in Power BI.