She is accessing PCs at work and when she is over with friends. Web technology is great for making stuff accessible. That the local library has a reservation system for public "workstations" makes me dubious one could productively programm there. That the computers in many locations are not available on the weekend makes this harder.

Public computers and WiFi are available at all five branches of the Chattanooga Public Library. Access to the computers is limited to 2 hours per day if other patrons are waiting. Reservations can be made for the next available computer by phone or in person.