MikeRand questions

• Why doesn't Element.attrib include namespace definitions?
• pandas - More efficient way to calculate two Series with circular dependencies
• Python - Fastest way to calculate log2(int) of a number that is an integral power of 2
• combinations/permutations with no repeats across groupings
• Getting Numpy overflow despite declaring dtype=int64
• Constant time random selection and deletion
• Why can't xmlrpc client append item to list accessable via xmlrpc server procedure?
• Numpy - multiple numpy.roll of 1D input array
• Python - anyone have a memoizing decorator that can handle unhashable arguments?
• Why is sorted documented as taking an iterable instead of a collection?

MikeRand answers