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1 week ago
Confusion Matrix Explained: The Real Foundation of Model Evaluation
Confusion Matrix is one of the core foundations of evaluating AI model performance. Accuracy is the simplest metric built on top o...
Sep 02, 2025
Scaling PHP Symfony Metrics at 200k RPM: 50+ Servers, Zero Overhead with UDP + T...
At scale, PHP metrics collection with Redis + Prometheus quickly breaks down—timeouts, memory spikes, and unscalable scrapes. This...
Aug 14, 2025
Beyond Numbers: Making Metrics Make Sense
We often treat metrics like answers. But they’re really questions about what we value, what we’re trying to change, and where we b...
