[racket-users] DrRacket Plugin development

Hi all! I'm an undergraduate TA for a Canadian university which uses DrRacket as its primary IDE for its introductory programming course. As a fun side project to keep me busy during the summer, I was hoping to develop a DrRacket plugin which basically acts as an in-editor help desk. My vision

[racket-users] Arity-error for Handin Checker

Hi, everyone. Sorry if this is the wrong place to ask, but I've been having some issues using the checker service for the racket handin-server. I'm currently a TA trying to get some automating checking to work for the course I'm helping to teach :). I get the following error message:

[racket-users] handin-server submissions

Hi, everyone I'm currently in charge of a handin-server instance for a course at my university. We're currently experiencing issues where students are unable to handin their work, receiving this error message: login error: user (STUDENT_USERNAME) not in assignment/section lab-01 I think I've