Abstract: Advanced Planning and Scheduling (APS) systems have become indispensable for modern manufacturing operations, enabling optimized resource allocation and production efficiency in increasingly ...

Files get stuck in "Downloading" status and cannot be cancelled due to database constraint violations. The root cause appears to be a race condition in file state management where multiple threads ...

Abstract: Happiness prediction based on large-scale online data and machine learning models is an emerging research topic that underpins a range of issues, from personal growth to social stability.

A domain class defining a composite ID and a multi-column unique constraint fails to save in an integration test. Excerpt from that domain class: String firstName, lastName static mapping = { id ...