Start to be an application software developer

1. Divide the big project into smaller pieces: 1) start from the Bulk completion part; 2) Set up the printer, 3) print something, 4) configure the HNO record from the ETX record, 5) bulk generate letters.

2. Search other developers' work, see what is useful, what problem founded, learn from them, saves a lot of time.

3. Piece down the big project, study the codes and find useful things, stuck somewhere and ask, at the same time do some experiments, 

4. For this size of company, it's been tons of codes already developed out there, as an application software developer, you need to find the right piece of codes quickly.