Source code written in textual programming languages is typically edited in integrated
development environments (IDEs) or specialized code editors. These tools often display …

Database management systems (or DBMSs) have been around for decades, and yet are still
difficult to use, particularly when trying to identify and fix errors in user programs (or queries) …

Programmers must draw explicit connections between their code and runtime state to
properly assess the correctness of their programs. However, debugging tools often decouple …

Live programming is a regime in which the programming environment provides continual
feedback, most often in the form of runtime values. In this paper, we present Projection …

The recent proliferation of easy to use electronic components and toolkits has introduced a
large number of novices to designing and building electronic projects. Nevertheless …

Visualizations of run-time program state help novices form proper mental models and debug
their code. We push this technique to the extreme by posing the following question: What if a …

Logging is a widely used technique for inspecting and understanding programs. However,
the presentation of logs still often takes its ancient form of a linear stream of text that resides …

This paper presents a comparative study of Algot, a visual programming language designed
to bridge the syntax-semantics gap via liveness and programming by demonstration, and the …

Introductory programming courses have been growing rapidly, now enrolling hundreds or
thousands of students. In such large courses, it can be overwhelmingly difficult for instructors …

The Maker movement has encouraged more people to start working with electronics and
embedded processors. A key challenge in developing and debugging custom embedded …