how to scale Quiver diagrams correctly

I'm trying to find a solution to the following problem:

I create maps of ocean currents, where the data is in cm/sec. The arrows i get using matplolib.quiver have relatively big heads and small tails. This way it's hard to read the map.

  1. Is there a way to play with the length of the tail and with the size/width of the head ?
  2. When i zoom in, my arrows are too small. I can't see their direction nor their size. Is there a way to solve it?


This example shows how to adjust the arrows' properties.

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Difference between redirect and rewrite in .htaccess (in relation to SEO and the canonical tag)

.htaccess redirect url-rewriting seo canonical-link

Okay so if I'm wanting to remove the extension of a URL but my canonical tags point to the url with the extension I can't use a 301 redirect without it negatively affecting SEO.

Could someone explain this benchmarking function from 'Learning Python'

python function time

I'm learning python with the book 'Learning Python' by Mark Lutz. I have a question concerning this benchmarking functions. I understand the workings of the first two functions, but I don't quite

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