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python pandas remove duplicate columns

... It sounds like you already know the unique column names. If that's the case, then df = df['Time', 'Time Relative', 'N2'] would work. If not, your solution should work: In [101]: vals = np.random.randint(0,20, (4,3)) vals Out[101]: array([[ 3...
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How to programmatically send a 404 response with Express/Node?

... Nowadays there's a dedicated status function for this on the response object. Just chain it in somewhere before you call send. res.status(404) // HTTP status 404: NotFound .send('Not found'); ...
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possible EventEmitter memory leak detected

...dding so many listeners to the same event. Only increase the limit if you know why so many listeners are being added and are confident it's what you really want. I found this page because I got this warning and in my case there was a bug in some code I was using that was turning the global object i...
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Performance of Arrays vs. Lists

...sy to measure... In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it depends on the type of data in the array. But unless ...
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Reading a key from the Web.Config using ConfigurationManager

...swer, I tried as you recommended and still get the same result. I actually now get a NullReferenceException on the ToString() – twal Jan 4 '11 at 15:37 ...
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Javascript Cookie with no expiration date

... It's edited to 2030 now, we're postponing our doom 10 more years – Simeon Nakov Feb 23 '18 at 11:47 7 ...
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How do I convert Word files to PDF programmatically? [closed]

... Just a note for those that don't know that you need Office installed on the machine to use the Microsoft Interop libraries. – Sam Rueby Feb 23 '18 at 15:31 ...
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Difference between std::result_of and decltype

...f a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper). So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is strictly superior. It's clearer, shorter, and correctly† supports more Fs‡ . †Unless...
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Getting the index of the returned max or min item using max()/min() on a list

...ex of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value. ...
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How can I use Guzzle to send a POST request in JSON?

Does anybody know the correct way to post JSON using Guzzle ? 13 Answers 13 ...