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Hello Everyone

Hello Everyone

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1 min read
Building an Agentic Data Factory with Parquet, DuckDB, MCP, and Refinement Loops

Building an Agentic Data Factory with Parquet, DuckDB, MCP, and Refinement Loops

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5 min read
Reproducible Payroll Starts With a Versioned Calculation Manifest

Reproducible Payroll Starts With a Versioned Calculation Manifest

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7 min read
From Raw Data to Business Insights: Building a JCars Logistics Power BI Dashboard

From Raw Data to Business Insights: Building a JCars Logistics Power BI Dashboard

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14 min read
Read Kafka Like a Database

Read Kafka Like a Database

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12 min read
Maximiza el Rendimiento I/O: Consumidores Async/Await en Kafka Python

Maximiza el Rendimiento I/O: Consumidores Async/Await en Kafka Python

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1 min read
Sub-Millisecond Analytical APIs: Async ClickHouse for FastAPI in WClickHouse

Sub-Millisecond Analytical APIs: Async ClickHouse for FastAPI in WClickHouse

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1 min read
5 SQL window-function traps that show up in data engineering interviews (with runnable DuckDB examples)

5 SQL window-function traps that show up in data engineering interviews (with runnable DuckDB examples)

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4 min read
Designing a Palantir Foundry Ontology That Holds Up in Production: Object Types, Link Types, and Action Governance

Designing a Palantir Foundry Ontology That Holds Up in Production: Object Types, Link Types, and Action Governance

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8 min read
Project Sentinel: One Morning Digest for Every Failure in Our Data Stack

Project Sentinel: One Morning Digest for Every Failure in Our Data Stack

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6 min read
A unique + not_null suite stopped 3 of 17 bad batches. Here is what got through.

A unique + not_null suite stopped 3 of 17 bad batches. Here is what got through.

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4 min read
North Star KPI Tests

North Star KPI Tests

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4 min read
Python 3.15 Is Not a Speed Release for Data Teams. It Is an Operations Release.

Python 3.15 Is Not a Speed Release for Data Teams. It Is an Operations Release.

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16 min read
Storing Scraped Data: CSV, JSONL, or SQLite Before Your Pipeline Bends

Storing Scraped Data: CSV, JSONL, or SQLite Before Your Pipeline Bends

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3 min read
Evita que los mensajes tĂłxicos congelen tu pipeline: Reintentos y DLQ.

Evita que los mensajes tĂłxicos congelen tu pipeline: Reintentos y DLQ.

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1 min read
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