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> [...] it has worked for a decade so far if you don't change the inputs or any other variables, it is different from a program deployed in the wild... but yea

• keithnz 7y ago
  It is deployed in the wild. But what you are describing is essentially engineering, being in control of your variables is key. Engineering is all about understanding what the variables are, what tolerances you need and building to those criteria. Pretty much anything engineered is on wobbly ground when it gets inputs/conditions unanticipated. Part of that is being clever about when things are in uncontrolled environments to find a way to sandbox things into a controlled environment. Much like the software world, a simple thing is put it in a "container"/box/case and limit the "input" to the underlying system.