Introducing Data Mashup Explorer

Power Query
COVID-19: Build your own Power BI dashboard
Custom Aggregations in ‘Group By’
Scraping data from JavaScript web sites with Power Query
Power Query M Primer (Part 17): Type System II – Facets
Cartesian Product in Power Query: Multiply All Sets of All Pairs in Power BI
Convert flat list to table in power bi pivot without a set key column using power query
Chris Webb's BI Blog: Adding Your Own Messages To Power Query Query Diagnostics
Date.Networkdays function for Power Query and Power BI –
PowerBI Query Generator for GitHub GraphQL API v4 - JSFiddle - Code Playground
Power BI Query Performance & Query Diagnostics
Be careful when merging on text fields in power bi using power query
Power Query API Considerations - Power BI Tips and Tricks
Remove Duplicates and Keep the Last Record with Power Query
Power Query API Considerations
Chris Webb's BI Blog: An M Function To Help You Explore Power Query Diagnostics Data
Power Query M Primer (Part 16): Type System I
All in One: Script to Create Date Dimension in Power BI using Power Query
Power BI Get Data from Multiple Files in a Folder on OneDrive for Business, No Gateway Needed
Get more info with power query tracing in power bi desktop
Handle Errors in Data Refreshes with Power Automate
Power Query M Primer (Part 15): Error Handling
Get the List of FOLDERS only in Power BI using Power Query
Create Row Number for Each Group in Power BI using Power Query
Unfill in Power Query
68–95–99.7 — The Three-Sigma Rule of Thumb Used in Power BI.
Power bi get data from multiple files in a folder on onedrive for business no gateway needed
Extracting Data from Complex Web Pages with Power BI
Creating static tables that can be edited via its M code
Split / Segment / Partition / Section your table in Power BI / Power Query