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jmjrawlings
searching PlanetScale…
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jmjrawlings
2y ago
You totally nailed it. The actual syntax / API of constraint solvers are so simple they can be learned in no time at all. What actually takes time and expertise is modelling problems in this fashion and there are almost 0 real world (
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jmjrawlings
3y ago
Fortunately the colleague who proposed this project was a former train controller with encyclopaedic knowledge of the particular yard and its operations. You find that all of these experienced train controllers can just look at a schedule
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jmjrawlings
3y ago
My goodness, a HN topic I can speak on with some level of expertise! I developed and deployed a rail yard scheduling application based on MiniZinc which is being used daily in production at several sites by one of the largest rail network o