Waldek Mastykarz – Insights on Microsoft 365 Development and Community Practices Waldek Mastykarz is a Developer Advocate at Microsoft who helps developers get the most out of the Microsoft 365 platform. On his blog, he shares hands-on guidance, tips, and real-world examples for building apps, automations, and extensions for Microsoft 365. As a core contributor to Microsoft 365 Patterns & Practices, he collaborates with the global developer community to create open-source tools, reusable templates, and best-practice documentation that make extending Microsoft 365 easier and more consistent. Before joining Microsoft, Waldek spent years working with partners across the Microsoft ecosystem and earned the title of Microsoft MVP twelve times for his community work. His writing reflects both deep technical knowledge and a passion for sharing practical insights that help other developers succeed.
10 articles from this blog
A guide to benchmarking language models using a Jupyter Notebook that supports any OpenAI-compatible API, including Ollama and Foundry Local.
Explains why standard language model benchmarks are insufficient and how to build custom benchmarks for specific application needs.
Explains the importance of specifying charset=utf-8 in API request headers to properly handle special characters and emojis in JSON payloads.
Guide on integrating Prompty with Microsoft's Foundry Local for managing AI prompts and running models locally for development.
Guide on integrating Microsoft 365 Copilot agents with Azure AI Search for enhanced knowledge retrieval using RAG, offering more control than basic options.
Learn how to accurately calculate token counts for strings using language models with a provided Jupyter Notebook tool.
A guide on creating an npm package with TypeScript that supports both CommonJS and ECMAScript Modules (ESM).
A guide on tracing API request origins in .NET applications using a custom delegating handler and stack traces for debugging.
A Swift tutorial for macOS developers on how to add a background color to menu bar icons to make apps stand out.
ProxyStat is a macOS utility that visually indicates system proxy status in the menu bar, helping developers avoid connectivity issues.
