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Unit testing Databricks notebooks

A simple way to unit test notebooks is to write the logic in a notebook that accepts parameterized inputs, and a separate test notebook that contains assertions. The sample project https://github.com/algattik/databricks-unit-tests/ contains two demonstration notebooks: The normalize_orders notebook processes a list of Orders and a list of OrderDetails into a joined list, taking into account […]

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Tutorial: Power BI Transactional Applications with JavaScript

Writing data back from Power BI traditionally involves PowerApps integration, which comes with certain limitations, especially when fast feedback is desired in the UI layer. The Power BI JavaScript API, combined with DirectQuery, allows easily implementing powerful MVC scenarios, such as creating a business transaction from an embedded Power BI report and instantly visualizing the […]