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Pandas percentage of total with groupby

...calculate the percentage in a simpler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer: # From Paul H import numpy as np import pandas as pd np.random.seed(0) df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3, ...
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CURL to access a page that requires a login from a different page

I have 2 pages: xyz.com/a and xyz.com/b . I can only access xyz.com/b if and only if I login to xyz.com/a first. If accessing xyz.com/b without going through the other, I simply get access denied (no redirect to login) via the browser. Once I login at xyz.com/a , I can access the other. ...
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Fixed point vs Floating point number

I just can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example? ...
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How can I suppress all output from a command using Bash?

... The following sends standard output to the null device (bit bucket). scriptname >/dev/null And if you also want error messages to be sent there, use one of (the first may not work in all shells): scriptname &>/dev/null scriptname &gt...
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How do I verify that an Android apk is signed with a release certificate?

How can I check that an Android apk is signed with a release and not debug cert? 5 Answers ...
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How to Rotate a UIImage 90 degrees?

...portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do this. I set a targe...
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Python Infinity - Any caveats?

So Python has positive and negative infinity: 5 Answers 5 ...
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Vertically align text to top within a UILabel

...y labels orange so you can see clearly what's happening. Here's the quick and easy way to do this: [myLabel sizeToFit]; If you have a label with longer text that will make more than one line, set numberOfLines to 0 (zero here means an unlimited number of lines). myLabel.numberOfLine...
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How to Configure SSL for Amazon S3 bucket

I am using an Amazon S3 bucket for uploading and downloading of data using my .NET application. Now my question is: I want to access my S3 bucket using SSL. Is it possible to implement SSL for an Amazon s3 bucket? ...
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Can a variable number of arguments be passed to a function?

... In a case like this call your "manyArgs" by creating a list called "args" and passing that to manyArgs like this "manyArgs(*args)" – wilbbe01 Feb 16 '11 at 6:02 4 ...