Developer tools can be magic. Instead, they collect dust.

Update 6/14/21: Now available in Chinese. I started working on advanced developer tools 9 years ago. Back when I started, “programming tools” meant file format viewers, editors, and maybe variants of grep. I’d mention a deep problem such as inferring the underlying intent of a group of changes, and get questions about how it compares to find-and-replace. Times have changed. It’s no longer shocking