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  • 22
    Hmm, I always thought ex was the idiomatic name for an exception variable. Commented Apr 27, 2011 at 11:13
  • 3
    I think that it depends more on the scope of the variable than on the usage. There's a lot of overlap between the two. Loop variables for example tend to have a short scope. Commented Apr 27, 2011 at 11:52
  • 18
    "e - it's the most common letter in the English language" - but it doesn't exist as a stand-alone word. So "searching whole words" in your IDE finds exactly what you need. Commented Apr 27, 2011 at 11:59
  • 5
    Become a mathematician - that'll solve all your problems. :) Commented Apr 27, 2011 at 17:07
  • 11
    I prefer ex for exceptions and e for event arguments. Commented Apr 27, 2011 at 22:23