If I need someone to crank out a report by afternoon which will never be used again and he was able to do it, he's very competent. If I need someone to crank out a car control system and he took one year to do it but has very low defects afterward, he's very competent.
If I need someone to crank out a report by afternoon which will never be used again and he was able to do it, he's very competent. If I need someone to crank out a car control system and he took one year to do it but has very low defects afterward, he's very competent.