Go ahead and apply again. We usually need more new TAs in the fall. Also, check the announcements page now and then to see if you've missed any news. See the CS102 Course Description and the CS102 Calendar for more information on what this course is about. These web pages are used extensively throughout CS102.
Most information is accessible through the menu bar at the left.
Read Navigating the CS102 Web Pages to find out what is available. Lab Sections are held at various times in the CEC PC labs. Organized Help Sessions are offered on Wednesdays and Sundays. This map of the School of Engineering and Applied Science may help you find your way around. See the CS102 Help Schedule for times when help is available.