fast development
1. take a rest per 40min.
2. make reuse module
3. don't repeat same logic
4. guarantee your reusable module almost perfect
5. enforce regression test.
6. make unit testing or program exercising environment
7. leave your tip on your page.
8. understand language syntax exactly and leave a note about newly learned .
8. learn English for getting much information .
9. stop other things during your project. just focus on only your project.
10. make your buffering time which can be used when there's unexpected accident something like serious bugs or refactoring.
11. make your work top priority than others' work. if necessary, don't fall into others' issues.
12. make priorities of the easily changed things low.