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📰 Dev.to · Vinicius Fagundes

10 articles · Updated every 3 hours · View all reads

All Articles 128,708Blog Posts 133,462Tech Tutorials 33,276Research Papers 25,143News 18,235 ⚡ AI Lessons
You saved $80K self-hosting Spark. It cost you $400K.
Dev.to · Vinicius Fagundes 📣 Digital Marketing & Growth ⚡ AI Lesson 2w ago
You saved $80K self-hosting Spark. It cost you $400K.
Then he walked me through the team. Two senior engineers, 30% of their time, on Spark cluster...
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Your p-value answered a question you didn't ask.
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Your p-value answered a question you didn't ask.
You ran the A/B test. It came back p = 0.08. "Not significant." So you killed the feature and moved...
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Brute force isn't grit. It's the bill for a plan you skipped.
Dev.to · Vinicius Fagundes 📋 Product Management ⚡ AI Lesson 3w ago
Brute force isn't grit. It's the bill for a plan you skipped.
Brute force isn't grit. It's the bill for a plan you skipped. We've turned grinding into a...
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Aws Glue or Airflow? You're probably paying for both to do one job
Dev.to · Vinicius Fagundes 📣 Digital Marketing & Growth ⚡ AI Lesson 4w ago
Aws Glue or Airflow? You're probably paying for both to do one job
Glue or Airflow? You're probably paying for both to do one job. It's the wrong question, and the...
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Your model isn't underfitting. Your features are lazy.
Dev.to · Vinicius Fagundes 📐 ML Fundamentals ⚡ AI Lesson 4w ago
Your model isn't underfitting. Your features are lazy.
Here's the scene I've watched play out on a dozen teams. Accuracy plateaus. Someone rips out the...
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SQL or Python? The line is sharper than you think (with code)
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
SQL or Python? The line is sharper than you think (with code)
Most engineers reach for Python first. Wrong instinct. I've spent 17 years inside other people's...
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Building Your First Data Warehouse in Databricks — End to End 🎉
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Building Your First Data Warehouse in Databricks — End to End 🎉
Building Your First Data Warehouse in Databricks — End to End 🎉 This is it. The article...
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Medallion Architecture: Designing Bronze, Silver, and Gold Layers
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Medallion Architecture: Designing Bronze, Silver, and Gold Layers
Medallion Architecture: Designing Bronze, Silver, and Gold Layers Before you write a...
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Delta Lakes: ACID Transactions, Time Travel & Delta Tables
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Delta Lakes: ACID Transactions, Time Travel & Delta Tables
Delta Lake for Dummies: ACID Transactions, Time Travel & Delta Tables If there's one...
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How Databricks Fits in the Modern Data Stack
Dev.to · Vinicius Fagundes 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 4mo ago
How Databricks Fits in the Modern Data Stack
How Databricks Fits in the Modern Data Stack Before you write a single line of code in...
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