Kevin Hill kevhill
kevhill
/ aws_mfa.sh
Created
May 20, 2021 22:47
source this to ask for an MFA code, then load aws session tokens into env
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| #!/bin/bash | |
| unset AWS_ACCESS_KEY_ID | |
| unset AWS_SECRET_ACCESS_KEY | |
| MFA_ARN=$(aws sts get-caller-identity --output json | jq -r '.Arn' | sed 's/user/mfa/g') | |
| echo Enter your MFA code | |
| read MFA_CODE |
kevhill
/ nan_compare.py
Last active
July 8, 2017 20:55
I ran into a barrier trying to cross correlate two matrices with missing values. I had to work our how to do that in a memory/cpu efficient way, and this is the best I could come up with.
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| import numpy as np | |
| import copy | |
| def nan_cov(X, preserve_input=True): | |
| # we need to mutate input to fill nan's with 0's | |
| # if we need to use the input later, we need to use a copy now | |
| if preserve_input: | |
| X = copy.deepcopy(X) |