Microsoft's Phi-4.5 Mini: The Lightweight Multimodal Powerhouse Redefining On-Device AI

Candlestick patterns are inequalities over four numbers per row, so pandas and NumPy can detect them. Here is how to define them yourself and where that falls short.

A subdirectory-per-language layout keeps both ports findable in one place. It also moves costs into CI, releases and issue triage, and it has clear limits.

A self-contradicting predicate returns a row in Oracle 19c and 21c. The cause is an optimizer rewrite bug, and there are three ways around it.