I enjoyed the courses and learning the techniques through the exercises but I still haven't really found a good application to a problem I need to solve for work or side projects.
Yes, the best online courses I have ever taken: entertaining and challenging in equal measure.
I then used MiniZinc to solve a resource allocation problem for two large border checkpoints, assigning staff across lanes for multiple transit types (motorcycle, car, truck, bus and train).
I enjoyed the courses and learning the techniques through the exercises but I still haven't really found a good application to a problem I need to solve for work or side projects.