This is the ideal code. You may not like it, but this is what perfect code looks like.pic.twitter.com/vwRzTvWv93
But that's checking year in the most inefficient order. Something like "return !(year%4) && ((year%100) || !(year%400));" (or equivalent) would have much better performance on average. 
-
-
That's exactly what was done in the beginning. And was transformed into was is seen above.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.