714 tutorials · free to read
A working handbook for data and software engineering.
Hands-on tutorials by Alex Merced on Apache Iceberg, the data lakehouse, pipelines, agentic AI, and the languages and tools that hold it all together.
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Latest tutorials
Page 1 of 119- 01The Agent Is Now a Named Coworker, and It Needs a File FormatNamed, persistent agents need a file format. Open Agent Profile, Buzz, Grok Bot, and Hermes Bot Mode show why a portable agent identity matters.AI & AgentsAug 24, 2026
- 02Graphs in AI Engineering Have Solved Three Problems. The Fourth Is the Plan.Knowledge graphs, GraphRAG, and LangGraph solved three problems. The fourth is the work itself: a reviewable graph of bounded agentic loops.AI & AgentsAug 24, 2026
- 03Your Agent Should Answer the Phone: A Field Guide to AI Gateways on Slack, Discord, Telegram, Signal, and TeamsA field guide to AI gateways on Slack, Discord, Telegram, Signal, and Teams: architecture, auth, cost, and the failure modes that matter.AI & AgentsAug 24, 2026
- 04The Hidden Cost of Tiny Iceberg CommitsTrace what one tiny Iceberg commit writes, then model hourly, per-minute, and per-second cadences so streaming costs become arithmetic, not adjectives.Apache IcebergAug 24, 2026
- 05Deletion Vectors vs Position Deletes vs Equality Deletes: The Iceberg Delete Story in 2026Position deletes, equality deletes, and deletion vectors compared from the Iceberg spec: what each writes, how readers apply it, and when to use which.Apache IcebergAug 24, 2026
- 06Iceberg Is Becoming a Library, Not Just a Table FormatIceberg is turning from a JVM table format into a library other systems embed. What that shift changes for engines, catalogs, and the spec itself.Apache IcebergAug 24, 2026