Comparing to another activity is useful if it helps you formulate questions, it's dangerous when you use it to justify answers.
Martin FowlerIn almost all cases, Iโm opposed to setting aside time for refactoring. In my view refactoring is not an activity you set aside time to do. Refactoring is something you do all the time in little bursts.
Martin FowlerOne of the big dangers is to pretend that you can follow a predictable process when you can't.
Martin FowlerContinuous Integration is a software development practice where members of a team integrate their work frequently, usually each person integrates at least daily - leading to multiple integrations per day. Each integration is verified by an automated build (including test) to detect integration errors as quickly as possible. Many teams find that this approach leads to significantly reduced integration problems and allows a team to develop cohesive software more rapidly.
Martin Fowler