Stories by lucasfcosta

Confidence Intervals

How linear regression works intuitively and how it leads to gradient descent

Least Squares and the Gradient Descent

Regex Licensing

Going open-source as a VC-Backed company

Ask HN: What technical podcasts do you listen to?

Notebooks and CRDTs

Multiplayer Python notebooks using CRDTs

Show HN: Briefer – multiplayer notebooks with schedules, SQL, and built-in LLMs

Designing code-gen assistants for notebooks

Self-Serve Dashboards

The myth of self-serve BI

Logarithmic Scales

Log Scales

What we learned from a failed infrastructure DevTool

Pivoting away from infrastructure, why it's hard, and what we'd do differently

What p-values are, what they are not, and how to sell books with bad statistics

Chilling Effect

The Inevitable Death of Localhost

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