A year ago, I decided to have fun and created these small banners based on the sayings of Taiichi Ohno, the father of the Toyota Production System (TPS) and Just-In-Time (JIT). I found that his sayings were accurate and still effective in these days.
I decided to begin posting formulas that I may used for future projects and for educational purposes
In this example you will see: Heapsort algorithm.
I notice an error when I was trying to access to the external storage.
The method getRoot() that I implemented was returning null instead of the external storage directory: