Blog

What is RAG? Learn how RAG combines retrieval, augmentation & generation to ground GenAI responses in your data while reducing hallucinations & improving accuracy.

Learn how to leverage the power of Polars within Microsoft Fabric for efficient data transformation. This practical guide shows you how to read from OneLake, process data, and write to Delta tables, offering a high-performance alternative to Spark for many common data engineering tasks.

Unlock Python Polars with this hands-on guide featuring practical code examples for data loading, cleaning, transformation, aggregation, and advanced operations that you can apply to your own data analysis projects.

Explore the technical innovations that make Polars up to 20x faster than Pandas: from its Rust foundation and columnar architecture to its advanced query optimizer and parallel execution engine.

Discover how Polars is revolutionizing DataFrame operations with up to 20x faster performance than Pandas, efficient memory use, and an intuitive API that leverages modern hardware for data analysis at scale.

.NET 10.0 has shipped, and for the fifth year running, we benchmarked endjin's AIS.NET library and were very happy to see substantial performance gains, with no extra work required.

A troubleshooting journey through Microsoft Entra ID that reveals the subtle but critical distinction between App Registration ownership and Service Principal ownership - and why it matters for least-privilege automation.

Ix.NET 7.0.0 is now available. Because .NET 10.0 now includes LINQ for IAsyncEnumerable, Ix.NET's System.Linq.Async has had to step back. This post explains what has changed and why.

Explore the theoretical foundations of the Data Product Canvas. Understand how the Business Model Canvas and Data Mesh principles combine to create a powerful framework for designing successful data products.

See the Data Product Canvas in action with a real-world scenario. Follow along as we work through each building block to design a high-impact, feasible data product for a national garden center chain facing revenue challenges.

Explore the nine building blocks that make up the Data Product Canvas. Learn how to approach each component to design data products that deliver real value and avoid common pitfalls.

Turn data initiatives into business success stories with the Data Product Canvas. This practical framework helps teams design data products that deliver real value, avoid common pitfalls, and align with business objectives.

Data quality issues are one of the biggest silent killers of analytics initiatives. This post explores how to build data quality into Microsoft Fabric from the ground up.

Discover the top key features of notebooks in Microsoft Fabric.

We benchmarked endjin's JSON Schema library on .NET 10.0 and saw large performance gains.

AI agents dominated Big Data LDN 2025, but the real story wasn't the technology, it was which organisations could actually deploy it successfully. After five years tracking industry evolution through this event, one pattern emerged clearly: the winners had built their foundations first. For CTOs making platform decisions now, the strategic imperative isn't choosing between innovation and governance; it's recognizing that governance enables innovation at scale.

FabCon is a conference dedicated to everything Microsoft Fabric. Day 3's sessions included migration, Databricks, Spark optimisation, and more.

FabCon is a conference dedicated to everything Microsoft Fabric. Day 2 featured deep dives into OneLake, Maps in Fabric, and multi-agent AI systems.

Rx.NET 6.1 is now available, adding some useful new features.

This post describes a pattern for batch processing triggered pipeline runs in Azure Synapse

This post describes a pattern for reliably refreshing Power BI semantic models from Azure Data Factory or Azure Synapse Pipelines.

This post describes a pattern for reliably refreshing Power BI semantic models from Microsoft Fabric Pipelines.

FabCon is a conference dedicated to everything Microsoft Fabric. Day 1 was mostly focused around the hundreds of new feature announcements.

Running VS Code Dev Containers on Windows? Clone repos inside WSL filesystem to eliminate I/O bottlenecks and boost performance dramatically.

Ray, a Year 10 student, spent a week at endjin doing work experience.