Knowledge base

Engineering notes for ambitious businesses

Clear, no-nonsense guides on building and running digital products in Europe — from first website to secure infrastructure.

Telegram Bots

RAG: a bot that knows your documents

What retrieval-augmented generation is in plain words, how a bot answers from your own knowledge base, and why it stops the AI from making things up.

7 min Read
Big Data

What is ETL in plain words

ETL explained without jargon: extract, transform, load. What each step does, why businesses need it, and where it fits in your data work.

6 min Read
Big Data

BI dashboards for business

What a BI dashboard is, what makes a good one, and how to turn scattered numbers into decisions you can act on.

7 min Read
Big Data

Where to start with data analytics

A practical first-steps guide to analytics for businesses with no data team: what to measure, what to ignore, and how to begin without a big project.

6 min Read

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