This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
I can't really see it being cosmetical reasons, but I could be wrong... thanks Jan
Janne A Andersson
Joined: Mar 18, 2003
Got an answer, it comes into play when you do an equal-test (==), to prevent accidental assignment. With a not equal test it doesn't add anything, more to keep up the habit and for consistency reasons i guess...