Abstract: Debugging is difficult and costly. As a human programmer looks for a bug, it would be helpful to see a complete trace of events leading to the point of failure. Unfortunately, full tracing ...

Abstract: How do professional software engineers debug computer programs? In an experiment with 27 real bugs that existed in several widely used programs, we invited 12 professional software engineers ...

No new features accepted Only bug fixes are cherry-picked to the release branch Testing and stabilization of the codebase The development of successive minor versions overlaps. For example, while ...

You can see the live demos at the following links. You can also access the styles as JSON for testing in mobile or other style tools. This is the sample vector map displayed on the frontpage of https: ...