If you are a Development Manager here are 5 things that your Developers will thank you for.
1. Quiet: Developers want and need quiet uninterrupted time to write code and solve problems. The need for continuous hours of quiet, uninterrupted code writing is crucial. Uninterrupted means absolutely uninterrupted. Do all you can to restrict direct access to Developers.
For the definitive answer on quiet, and why it is a Developer priority, see Paul Graham’s post: Maker’s Schedule, Manager’s Schedule .