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How do you rotate a two dimensional array?

...eed this information in our function to rotate a matrix, so let’s add it now: def rotate(matrix): size = len(matrix) # Rotatable layers only. layer_count = size / 2 Now we know what layers are and how to determine the number of layers that actually need rotating, how do we isolate a...
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Saving interactive Matplotlib figures

... pickle now works on MPL figures, so this can be done and appears to work reasonable well - almost like a Matlab ".fig" figure file. See my answer below (for now?) for an example of how to do it. – Demis ...
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How to sort my paws?

...ellent answer that helped me detect where a paw hit a pressure plate, but now I'm struggling to link these results to their corresponding paws: ...
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Find a Pull Request on Github where a commit was originally created

...ues" link on the left. UPDATED 13 July 2017 Via the Github UI there is a now a really easy way to do this. If you are looking at a commit in the list of commits in a branch in the UI, click on the link to the commit itself. If there is a PR for that commit and it wasn't added directly to the branc...
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on

... and have it apply to just that project. Just thought some might want to know that here as well. – Nick Gronow Jun 2 '14 at 13:17 ...
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?

Git has a well-known, or at least sort-of-well-known, empty tree whose SHA1 is: 3 Answers ...
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How to configure XAMPP to send mail from localhost?

...ail-id@gmail.com sendmail_path = "\"C:\xampp\sendmail\sendmail.exe\" -t" Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code [sendmail] smtp_server=smtp.gmail.com smtp_port=587 error_logfile=error.log debug_logfile=debug.log auth_username=my...
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Reading output of a command into an array in Bash

...t really understand why this was even implemented in the first place!). Now I'm going to tell you why the following method: my_array=( $( my_command) ) is broken when there are spaces: $ # I'm using this command to test: $ echo "one two"; echo "three four" one two three four $ # Now I'm going...
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

...lin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get: ...
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Using the Swift if let with logical AND operator &&

We know that we can use an if let statement as a shorthand to check for an optional nil then unwrap. 6 Answers ...