Documentation. Not for users, for developers. I cannot count the number of time I've found a bug simple enough that I know the fix is easy but got lost in the

Documentation. Not for users, for developers. I cannot count the number of time I've found a bug simple enough that I know the fix is easy but got lost in the mire of a poorly-documented C/C++ (but I repeat myself...) codebase before deciding it's not worth my time. Higher level languages are on the whole more approachable even with inadequate documentation, as if there's any other type, and even if I've never met the language before.