It is hard to overstate how important this is. Read. A lot. A lot a lot a lot. Learn how good projects approach things like testing and error handling. Look a

It is hard to overstate how important this is. Read. A lot. A lot a lot a lot. Learn how good projects approach things like testing and error handling. Look at how well documented and easy to read the code is. Any clever idiot can write clever code; the kind of coder people want to hire are fastidious about making sure other people can read and grok their work.