re. decorators, I found this example quite illustrative
def memoize(f):
#this is a decorator eg.
cache = {}
def helper(x):
#lexical closure fn.
if x not in cache:
cache[x] = f(x)
return cache[x]
return helper
#fib = memoize(fib)
# <=>
@memoize
def fib(n):
#...
re. The HTML GUI in the notebook, I too am interested in this. I
started off using TurboGears2 for my application but found it slow
going. So now I've switched to SAGE because I wanted the twisted
protocol. I haven't had a chance to look into how the Sage notebook is
built yet as I'm still just running the binary to test out Sage but
I'll check back here in a few days.
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