Abstract: Null pointer exceptions are common software faults, but they are dangerous and can cause a program to crash if they occur. In addition, it is hard to find them by simply running test cases.

Stack Overflow, the once-popular dev community, has abandoned a planned redesign that was meant to refocus the site more on discussions than the question-and-answer format that built its reputation.

Abstract: Application programming interface (API)-related questions are increasingly posted and discussed by developers in popular question and answer forums, such as Stack Overflow. However, their ...