[xrt]

My favorite example. The chosen answer to the "Where's Waldo?" solution is 7 lines long. http://stackoverflow.com/questions/8479058/how-do-i-find-wal...

[maurits]

The solution is basically a cross correlation in a colour channel between the image and a zebra pattern. That can be done in a few lines in more than one language.

Also, 7 lines is hardly a good metric to judge the general effectiveness of an environment or language.