The Rubber Duck debugging method

We called it the Rubber Duck method of debugging. It goes like this:

1) Beg, borrow, steal, buy, fabricate or otherwise obtain a rubber duck
(bathtub variety)
2) Place rubber duck on desk and inform it you are just going to go over
some code with it, if that’s all right.
3) Explain to the duck what you code is supposed to do, and then go into
detail and explain things line by line
4) At some point you will tell the duck what you are doing next and then
realise that that is not in fact what you are actually doing. The duck
will sit there serenely, happy in the knowledge that it has helped you
on your way.

Works every time. Actually, if you don’t have a rubber duck you could at
a pinch ask a fellow programmer or engineer to sit in.

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