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comment Mapping a NumPy array in place
@aag - The syntax for string formatting has changed in py3. Documentation is here.
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comment Why are 10 speed chains so expensive?
@zenbike - I never claimed the contrary, though. :) I just claimed that the OP did not make an assumption, but formulated a hypothesis. If anything, my implicit message was that while assumptions per se are rarely useful, a hypothesis is, as it is a required passage in the search for truth (at least if you use the scientific method). Also, a hypothesis is to be considered valid until disproved (or until an alternative one relying on less unknown factors is formulated - it's the lex parsimoniae). So a hypothesis - while non strictly factual - can still be a good answer.
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comment Why are 10 speed chains so expensive?
@zenbike - The original poster misused the word though: the initial fact it claims as an assumption was documented in an article. In the second occurrence of the word, he actually meant "hypothesis" (assumption: a thing that is accepted as true or as certain to happen, without proof --- hypothesis: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation). Hypothesis are the starting point for establishing scientific truth.
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comment Terminology index - a list of bike part names and cycling concepts
I'm not sure that citing Lance Armstrong as an example is really useful, given that he achieved his performances through doping...
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