How many different ruby projects did you code in? Once you have memorized the global state on a project, you can rely on your intuition and rely less on irb. B

How many different ruby projects did you code in? Once you have memorized the global state on a project, you can rely on your intuition and rely less on irb. But anytime someone introduced a new gem (namely act_as_paranoid) or writes a new concern that modifies defaults, then you're back to need to do live code.