what about an additional non-robotic subforum ("off-topics") if someone has a question e.g. to Windows- or Linux-related operation system or HTML questions, or e.g. about backup and restore programs, or about any a mathematical or physical or technical or building problem one came about accidentally?
NXC CHESS for NXT: http://www.mindstormsforum.de/viewtopic.php?f=70&t=6790
indispensable for NXC + EV3-C: easy + trouble-free network & sensor+motor remote control for rs485, BT, USB!