Polyglot Programming with Notebooks in Visual Studio Code

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value="/docs/devcontainers/tips-and-tricks" >Tips and Tricks</option> <option value="/docs/devcontainers/faq" >FAQ</option> </optgroup> </select> </nav> </div>  <div class="col-xs-12 visible-xs"> <nav aria-labelledby="small-right-nav-label" class="small-nav docs-nav updates-nav"> <label class="faux-h4" for="small-right-nav-dropdown" id="small-right-nav-label">In this article</label> <select id="small-right-nav-dropdown" class="small-nav-select" aria-label="Sections"> <option value="#_polyglot-notebooks">Polyglot Notebooks</option> <option value="#_features">Features</option> <option value="#_prerequisites">Prerequisites</option> <option value="#_getting-started">Getting started</option> <option value="#_working-with-data">Working with data</option> <option value="#_language-server-support">Language server support</option> <option value="#_variable-sharing-and-variable-explorer">Variable Sharing and Variable Explorer</option> <option value="#_feature-requests-and-feedback">Feature requests and feedback</option> </select> </nav> </div>  <main class="col-xs-12 col-sm-9 col-md-8 body"> <div class="edit-github pull-right"> <a href="https://vscode.dev/github/microsoft/vscode-docs/blob/main/docs/languages/polyglot.md" class="btn btn-default" title="Edit this document in vscode.dev"> <span class="glyphicon glyphicon-pencil"></span> <span class="hidden-xs">Edit</span> </a> </div> <h1>Polyglot Notebooks in VS Code</h1> <p><strong>What is Polyglot Programming?</strong></p> <p>Polyglot programming is the practice of using multiple programming languages to leverage the strength of each language for different tasks.</p> <p><strong>What are Notebooks?</strong></p> <p>Notebooks are interactive files that allow the mixing of executable code, visualizations, equations, and narrative text. Notebooks are composed of code cells that make it easy to quickly iterate on code. Popularized by the open-source project <a href="https://jupyter.org/" class="external-link" target="_blank">Jupyter</a>, they have become the de facto tool for <a href="/docs/datascience/overview">Python data science</a> and a great resource for teaching or learning a new programming language and quick prototyping.</p> <h2 id="_polyglot-notebooks" data-needslink="_polyglot-notebooks">Polyglot Notebooks</h2> <p>When polyglot programming meets notebooks, you get Polyglot Notebooks! As opposed to traditional notebooks that are typically used with Python, the <a href="https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.dotnet-interactive-vscode" class="external-link" target="_blank">Polyglot Notebooks</a> extension allows you to use multiple programming languages natively all in the same notebook in Visual Studio Code! No more needing wrapper libraries or magic commands to work with your favorite languages in the same notebook!</p> <p><img src="/assets/docs/languages/polyglot/polyglot_ext.png" alt="Polyglot Notebooks Extension" loading="lazy"></p> <h3 id="_languages-supported" data-needslink="_languages-supported">Languages supported</h3> <ul> <li>C#</li> <li>F#</li> <li>PowerShell</li> <li>JavaScript</li> <li>HTML</li> <li>Mermaid</li> <li>SQL</li> <li>KQL (Kusto Query Language)</li> </ul> <h2 id="_features" data-needslink="_features">Features</h2> <p>In addition to executing the code for the languages above, you can take advantage of:</p> <ul> <li> <p><strong>Connecting to and querying from</strong> Microsoft SQL Server databases and Kusto clusters.</p> </li> <li> <p><strong>Language server support</strong> such as IntelliSense, autocompletion, and syntax highlighting <em>for each language</em>.</p> </li> <li> <p><strong>Variable sharing</strong> between languages that ensures a continuous workflow within the notebook. (Variable sharing not available for HTML and Mermaid)</p> </li> <li> <p><strong>Variable Explorer</strong> to check state of variables and the subkernel variables exist in.</p> </li> <li> <p><strong>Full portability between Jupyter/JupyterLab</strong>.</p> </li> </ul> <p>To learn about all the features, visit the VS Code Marketplace <a href="https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.dotnet-interactive-vscode" class="external-link" target="_blank">Polyglot Notebooks</a> extension.</p> <h2 id="_prerequisites" data-needslink="_prerequisites">Prerequisites</h2> <p>To use Polyglot Notebooks in VS Code, you will need:</p> <ul> <li><a href="https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.dotnet-interactive-vscode" class="external-link" target="_blank">Polyglot Notebooks</a> extension</li> <li><a href="https://dotnet.microsoft.com/en-us/download/dotnet/7.0" class="external-link" target="_blank">.NET 7 SDK</a></li> </ul> <h3 id="_why-do-i-need-the-net-sdk" data-needslink="_why-do-i-need-the-net-sdk">Why do I need the .NET SDK?</h3> <p>The Polyglot Notebooks extension is powered by .NET Interactive, which is a cutting edge and innovative engine built on .NET technology that can run multiple languages and share variables between them. In Polyglot Notebooks, this engine behaves as the notebook's kernel and is the reason that the .NET 7 SDK is required.</p> <h2 id="_getting-started" data-needslink="_getting-started">Getting started</h2> <ol> <li> <p>To create your first polyglot notebook, open the Command Palette (<span class="dynamic-keybinding" data-commandId="workbench.action.showCommands" data-osx="鈬р寴P" data-win="Ctrl+Shift+P" data-linux="Ctrl+Shift+P"><span class="keybinding">鈬р寴P</span> (Windows, Linux <span class="keybinding">Ctrl+Shift+P</span>)</span>) and select <strong>Polyglot Notebooks: Create new blank notebook</strong>, select <code>.ipynb</code>, and select the language you'd like to start with.</p> <p>You can also create a notebook by creating a new file and giving it the extension <code>.ipynb</code>. In this case, make sure that <strong>.NET Interactive</strong> is selected as the kernel of the notebook in the top right.</p> <p><img src="/assets/docs/languages/polyglot/kernel_picker.png" alt="Kernel Picker" loading="lazy"></p> </li> <li> <p>By default, added cells will be the same language as the cell above it. To change the language, select the language picker in the bottom right of the cell.</p> <p><img src="/assets/docs/languages/polyglot/language_picker.png" alt="Cell Language Picker" loading="lazy"></p> </li> <li> <p>Get coding!</p> <p><img src="/assets/docs/languages/polyglot/polyglot_nb_example.png" alt="Example of Polyglot Notebook" loading="lazy"></p> </li> </ol> <h2 id="_working-with-data" data-needslink="_working-with-data">Working with data</h2> <p>Connect to and query Microsoft SQL Server databases and Kusto clusters.</p> <p>To get more detailed instructions on connecting to and working with data sources, visit the <a href="https://github.com/dotnet/interactive/blob/main/docs/working-with-data.md" class="external-link" target="_blank">Working with Data</a> documentation.</p> <p><img src="/assets/docs/languages/polyglot/SQL_connection_example.png" alt="Connecting to SQL Example" loading="lazy"></p> <h2 id="_language-server-support" data-needslink="_language-server-support">Language server support</h2> <p>Each language in Polyglot Notebooks gets a first-class editing experience with language server support such as autocompletion, syntax highlighting, and signature help.</p> <h2 id="_variable-sharing-and-variable-explorer" data-needslink="_variable-sharing-and-variable-explorer">Variable Sharing and Variable Explorer</h2> <p>Share variables between languages using the <code>#!set</code> command and check on the values of variables for each language using the Variable explorer. Note that if you were previously using the <code>#!share</code> command, it will continue to work. Select the <strong>Variables</strong> icon in the global toolbar to open the Variable explorer.</p> <video src="/assets/docs/languages/polyglot/SQLJavaScript.mp4" placeholder="/assets/docs/languages/polyglot/SQLJavaScript.mp4" autoplay loop controls muted title="Video showing user sharing variables between SQL and JavaScript"> Sorry, your browser doesn't support HTML 5 video. </video> <p>To learn more about variable sharing, visit the <a href="https://github.com/dotnet/interactive/blob/main/docs/variable-sharing.md" class="external-link" target="_blank">Variable Sharing</a> documentation.</p> <h2 id="_feature-requests-and-feedback" data-needslink="_feature-requests-and-feedback">Feature requests and feedback</h2> <p>The Polyglot Notebooks extension is powered by .NET Interactive and you can provide feedback and enter issues on the <a href="https://github.com/dotnet/interactive/issues" class="external-link" target="_blank">.NET Interactive GitHub repository</a>.</p> <div class="feedback"></div> <div class="body-footer">10/29/2024</div> </main>  <div class="col-sm-3 col-md-2 hidden-xs docs-subnavbar-container"> <nav id="docs-subnavbar" aria-label="On Page" data-spy="affix" data-offset-top="20"> <h4><span class="sr-only">In this article there are 8 sections</span><span aria-hidden="true">In this article</span></h4> <ul class="nav"> <li><a href="#_polyglot-notebooks">Polyglot Notebooks</a></li> <li><a href="#_features">Features</a></li> <li><a href="#_prerequisites">Prerequisites</a></li> <li><a href="#_getting-started">Getting started</a></li> <li><a href="#_working-with-data">Working with data</a></li> <li><a href="#_language-server-support">Language server support</a></li> <li><a href="#_variable-sharing-and-variable-explorer">Variable Sharing and Variable Explorer</a></li> <li><a href="#_feature-requests-and-feedback">Feature requests and feedback</a></li> </ul> <div class="connect-widget"></div> </nav> </div>  <div class="col-xs-12 visible-xs"> <div class="connect-widget"></div> </div> </div> </div> </div> </div> <footer role="contentinfo" class="container"> <div class="footer-container"> <div class="footer-row"> <div class="footer-social"> <ul class="links"> <li> <a href="https://go.microsoft.com/fwlink/?LinkID=533687"><img src="/assets/icons/x-icon.svg" class="x-icon" alt="Follow us on X"></a> </li> <li> <a href="https://github.com/microsoft/vscode"><img src="/assets/icons/github-icon.svg" alt="VS Code on Github"></a> </li> <li> <a href="https://www.youtube.com/@code"><img src="/assets/icons/youtube-icon.svg" alt="VS Code on YouTube"></a> </li> <script> function manageConsent() { if (siteConsent && siteConsent.isConsentRequired) { siteConsent.manageConsent(); 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Polyglot Programming with Notebooks in Visual Studio Code