Category: Notebooks

Matt Eland continues a series on dotnet Polyglot Notebooks:

As I’ve been doing more and more dotnet development in notebooks with Polyglot Notebooks I’ve found myself wanting more options to create rich data visualizations inside of VS Code the same way I could use Plotly for data visualization using Python and Jupyter Notebooks.

Thankfully, Microsoft SandDance exists and fills some of that gap in terms of doing rich data visualization from dotnet code.

In this article I’ll talk more about what SandDance is, show you how you can use it inside of a Polyglot Notebook in VS Code, and show you a simple way you can use it without needing a Polyglot Notebook.

Most of my experience with SandDance was with Azure Data Studio, but it’s nice to see this capability in notebooks as well.

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Matt Eland performs a few swaps:

While Polyglot Notebooks certainly brings the dream of notebook development to dotnet, Polyglot is at its finest when you work with one language and then hand off data to the next language for additional processing.

In this article we’ll talk about sharing variables between kernels using Polyglot Notebooks and VS Code. We’ll explore the syntax and tooling that exists around these functionalities as well as the current limitation of sharing variables between kernels.

For simplicity, I’m going to avoid getting into SQL and KQL kernels in this article, but I plan on delving further into each of these specialized kernels in future articles.

Click through for an example using the best .NET language, as well as C#. Do read the whole thing, especially if you think about passing around discriminated unions or method-reach objects.

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Matt Eland walks us through a sample:

Polyglot Notebooks allows you to create notebooks composed of multiple cells. These cells can be either markdown cells for documentation or code cells containing code in either C#, F#, PowerShell, SQL, KQL, HTML, JavaScript, or mermaid markdown for diagramming.

This allows you to mix together rich documentation supported by little pieces of code that progressively expand upon an idea, tell a story, or otherwise provide insight or information to you as a developer.

Click through for the example. The thing I hadn’t realized—because I don’t really do this in Jupyter—is that you can share variables between languages. That’s a fairly useful feature when you want to do most of your work in one language but just happen to need a library using a different language.

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Matt Eland installs Polyglot notebooks in VSCode:

Polyglot Notebooks is a powerful new interactive notebook technology that lets you run experiments in your editor, mix together code and rich documentation, and write code in a variety of languages to accomplish your tasks.

This article will guide you through the setup process to get Polyglot Notebooks running on your machine so you can do local data science and analytics notebooks using dotnet.

In case you’re curious, my installation has the ability to create notebooks in F#, C#, HTML, JavaScript, KQL, Markdown, Mermaid, Powershell, and SQL. I’m not positive how many of those come with the extension itself and how many are additional kernels I got from installing other extensions.

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