If you ever watch someone “coding”, you might see them spending far more time staring into space than typing on their keyboard. No, they (probably) aren’t slacking off. Software development is fundamentally a practice of problem-solving, and so, as with solving a tricky crossword, most of the work is done in your head. In the software development lifecycle, coding is the letters filled into the crossword, only a small amount of effort compared to all the head scratching and scribbled notes. The ...