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How I Engineered a 0.6s LCP and a Perfect 100/100 GTmetrix Score (Next.js Optimization Guide)

Dev.to · Datta Sable 15h ago

How I Engineered a 0.6s LCP and a Perfect 100/100 GTmetrix Score (Next.js Optimization Guide)

In the modern web, "Fast" is no longer enough. We are living in an era where 1 second of delay can...

Stop Using Subqueries: 3 Advanced SQL CTE Patterns That Saved My Production Database

Dev.to · Datta Sable 20h ago

Stop Using Subqueries: 3 Advanced SQL CTE Patterns That Saved My Production Database

We’ve all seen it. The massive, deeply nested SQL query with subqueries inside subqueries. It’s...

I Analyzed 10 Million Records in 47 Seconds Using Python + DuckDB (No Spark, No Cloud)

Dev.to · Datta Sable 20h ago

I Analyzed 10 Million Records in 47 Seconds Using Python + DuckDB (No Spark, No Cloud)

Most engineers reach for Spark or BigQuery the moment they hear "10 million records." I did too —...