I don't understand why people resign, they don't know they are lost. I will give them slack if they have an emergency but besides that, nope. An opponent can try to play the mate in one, but mouseslips happen....An example of this is here:
You see now? Thank you for watching PappleAppleSnapple's chess ideas(cue the annoying channel music)#ding dum dedededeeee dom dum dom ding dummmmm#