Slow Sum – Revisited

Good morning. I received a comment from Dmytro regarding the post Slow Sum suggesting the use of a priority queue instead of a stream. I appreciate the comment and suggestion. Continue reading “Slow Sum – Revisited”

Recursive Digit Sum

Yesterday afternoon the technician for a company that cleans ducts showed up for our appointment. Our dryer was having issues with the exhaust duct. We had to clean the dryer filter and restart the unit over a dozen times per load.

The technician arrived half hour earlier. I showed him the location for the exhaust and the dryer. He brought in some type of industrial vacuum and some hoses. I believe he used a camera to watch the operation while vacuuming the duct. Continue reading “Recursive Digit Sum”