Smartness is a must have for a proficient developer, but this is an out of topic remark. Given a new technology, you can quickly learn the 80%, but the remainin

Smartness is a must have for a proficient developer, but this is an out of topic remark. Given a new technology, you can quickly learn the 80%, but the remaining 20% is got acquired by experience and it's the only way to really master it.