On 2 September 2016 at 17:23, Dave Horsfall <dave(a)horsfall.org> wrote:
[...]
I think I saw that in CACM: "Prepare to throw out
half your code, because
you will anyway".
There is Brook's law: Plan to throw one away, you will anyways [MMM
Chapt. 11]. (There is also Writh's advice not to be afraid of tossing
it and starting again) but I do'nt recall the 50% rule.