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Ruff 0.6 Replaced Black and isort in Our Monorepo Last Week
12 mins read

Ruff 0.6 Replaced Black and isort in Our Monorepo Last Week

  • Code Quality
April 11, 2026 Mateo VargasTagged CPython internals, DuckDB python, Free threading, GIL removal, Ibis framework, Marimo notebooks, Mojo language, Polars dataframe, Python JIT, Rust Python

The switch took one afternoon and one follow-up PR. A 180-package Python monorepo that had been running black , isort , and flake8 on every pre-commit.

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Step-by-Step Tutorial: Writing Python Extensions in Rust With PyO3
15 mins read

Step-by-Step Tutorial: Writing Python Extensions in Rust With PyO3

  • CPython Internals
April 6, 2026 Mateo VargasTagged CPython internals

I hit a massive performance wall last Tuesday. I was tasked with parsing a 50GB dataset of nested JSON logs for a cybersecurity client doing malware.

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Taipy: Why I Finally Ditched Streamlit for Production Apps
3 mins read

Taipy: Why I Finally Ditched Streamlit for Production Apps

  • Data Engineering
February 11, 2026 Mateo VargasTagged Taipy news

Well, I have a confession to make. For the last five years, I’ve been utterly hooked on “script-to-web” tools.

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Stop Downsampling Your Data: The New Pandas Update is Actually Good
4 mins read

Stop Downsampling Your Data: The New Pandas Update is Actually Good

  • Data Engineering
December 29, 2025 Mateo VargasTagged Pandas updates

I have a confession to make. For the last five years, I’ve been lying to my stakeholders. Not big lies—just little white lies about data granularity.

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Mastering Modern Keras: Multi-Backend Workflows and Ecosystem Integration
13 mins read

Mastering Modern Keras: Multi-Backend Workflows and Ecosystem Integration

  • AI/ML
December 19, 2025December 26, 2025 Mateo VargasTagged Keras updates

Introduction: The Evolution of Deep Learning Frameworks The landscape of deep learning has undergone a seismic shift in recent years.

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Mastering Python Finance: From Data Gathering to Advanced Algorithmic Trading Strategies
12 mins read

Mastering Python Finance: From Data Gathering to Advanced Algorithmic Trading Strategies

  • Data Engineering
December 12, 2025December 28, 2025 Mateo VargasTagged Python finance

The financial technology landscape has undergone a seismic shift over the last decade, transitioning from spreadsheet-dominated workflows to.

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Marimo Notebooks: The Reactive Revolution in Python Data Science
12 mins read

Marimo Notebooks: The Reactive Revolution in Python Data Science

  • Data Engineering
December 8, 2025December 27, 2025 Mateo VargasTagged Marimo notebooks

For over a decade, the Jupyter notebook has been the de facto standard for data exploration, scientific computing, and machine learning education.

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Unlocking True Parallelism: A Deep Dive into GIL Removal and Python’s Free-Threading Future
12 mins read

Unlocking True Parallelism: A Deep Dive into GIL Removal and Python’s Free-Threading Future

  • AI/ML
December 7, 2025December 27, 2025 Mateo VargasTagged GIL removal

For decades, the Global Interpreter Lock (GIL) has been the single most controversial feature within CPython internals .

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Modernizing Scrapy: Distributed Crawling with MongoDB and the New Python Ecosystem
12 mins read

Modernizing Scrapy: Distributed Crawling with MongoDB and the New Python Ecosystem

  • Automation
December 6, 2025December 27, 2025 Mateo VargasTagged Scrapy updates

The landscape of web scraping and data extraction has evolved dramatically over the last few years. While Scrapy remains the undisputed heavyweight.

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Building a Lightweight Semantic Layer with DuckDB Python and Ibis
14 mins read

Building a Lightweight Semantic Layer with DuckDB Python and Ibis

  • Data Engineering
December 3, 2025December 27, 2025 Mateo VargasTagged DuckDB python

Introduction: The Evolution of Local Analytics The landscape of data engineering has shifted dramatically in recent years.

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Recent Posts

  • Litestar Cut Our P99 Latency 40% After Migrating From FastAPI
  • Ruff 0.8 Replaced Black, isort, and Flake8 in Our Monorepo
  • Ruff 0.6 Replaced Black and isort in Our Monorepo Last Week
  • Python JIT: practical notes from production
  • asyncio.TaskGroup vs gather: Why Structured Concurrency Wins in Python 3.11+

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