My boss years back, when he said that the book 'learn C in 24 hours' was all i needed to learn to code c properly... was the biggest.. for me (now many times 24

My boss years back, when he said that the book 'learn C in 24 hours' was all i needed to learn to code c properly... was the biggest.. for me (now many times 24 hours times days since later, and i still don't master it like how i want to)