Quick way to index your shortened driveshaft

mguner said

The orientation in the car is not important. What is important is the phasing of the yokes on the shaft. The "ears" on the shaft are always supposed to be even with each other from one end to the other. When they are not you can get severe vibration.

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Sorry this is all still new to me, my stock driveshaft still has the splined yoke attached on the front, not sure about the other end. So you are saying when I take mine to get shortened they would cut off one end end weld back in the same orientation and that's it? Once that's done it doesn't matter what orientation the driveshaft is reinstalled?