Abstract: Teaching programming is a topic that has generated a high level of interest among researchers in recent decades. In particular, multiple approaches to teaching visual programming have been ...

This library is licensed under the Apache 2.0 License. To run some of the integration tests (start with localhost_integ_*), you need to set up a localhost that echo the request headers from /echo back ...

Abstract: Accomplishing a program task usually involves performing multiple activities in a logical order. Task-solving activities may have different relationships, such as subactivityof, ...