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Python Performance: Why 'if not list' is 2x Faster Than Using len()
(blog.codingconfessions.com)
This is a most excellent place for technology news and articles.
Isn’t “-2x faster” 2x slower?
That woulb be 0.5x. −2x implies negative duration, which makes no sense. Neither does the layout of anything else in the image.
I think it was supposed to be a
~
, since they use that in a paragraph below the image.Maybe they mean up to?