The hours of debugging were still a critical part of the process. It “loosened the jar lid” so to speak. (It’s not like long-distance walkers are some of the best debuggers.)
But once you’ve put in some substantial effort, taking a break and a walk (or a sleep) is often the critical last step.
But once you’ve put in some substantial effort, taking a break and a walk (or a sleep) is often the critical last step.