Have you ever had to learn something on the spot?

Have you ever been in a situation when you had to learn to do something on the spot? With or without help?

At one of my earlier jobs in retail, I was the manager on duty. Our computer system crashed and we had to close down the store (oh yeah, it was on a Saturday too...). I had to call the corporate IT help desk and the guy had to walk me through how to fix it and get it back up and running so we could open the store again. He said he admired my confidence, as most other people he'd had to help before we're afraid of messing it up so badly that they'd lose their job.

Have you ever had to learn anything on the spot?

Have you ever had to learn something on the spot?
Have you ever had to learn something on the spot?
Have you ever had to learn something on the spot?
Have you ever had to learn something on the spot?
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