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How can I use numpy.correlate to do autocorrelation?

I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself. ...
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Matplotlib 2 Subplots, 1 Colorbar

... Just place the colorbar in its own axis and use subplots_adjust to make room for it. As a quick example: import numpy as np import matplotlib.pyplot as plt fig, axes = plt.subplots(nrows=2, ncols=2) for ax in axes.flat: im = ax.imshow(np.random.random((10,10...
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Why is null an object and what's the difference between null and undefined?

...n short; undefined is where no notion of the thing exists; it has no type, and it's never been referenced before in that scope; null is where the thing is known to exist, but it's not known what the value is. One thing to remember is that null is not, conceptually, the same as false or "" or such, e...
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How to merge two arrays in JavaScript and de-duplicate items

...ijendra","Singh"]; var array2 = ["Singh", "Shakya"]; // Merges both arrays and gets unique items var array3 = array1.concat(array2).unique(); This will also preserve the order of the arrays (i.e, no sorting needed). Since many people are annoyed about prototype augmentation of Array.prototype and ...
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How do I check that a number is float or integer?

...0; } Update 2019 5 years after this answer was written, a solution was standardized in ECMA Script 2015. That solution is covered in this answer. share | improve this answer | ...
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How to print number with commas as thousands separators?

I am trying to print an integer in Python 2.6.1 with commas as thousands separators. For example, I want to show the number 1234567 as 1,234,567 . How would I go about doing this? I have seen many examples on Google, but I am looking for the simplest practical way. ...
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Inline labels in Matplotlib

...below). This can be very fiddly, because I have to specify coordinates by hand, and, if I re-format the plot, I probably have to reposition the labels. Is there a way to automatically generate labels on curves in Matplotlib? Bonus points for being able to orient the text at an angle corresponding to...
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How to sum a variable by group

...umns. First column contains categories such as "First", "Second", "Third", and the second column has numbers that represent the number of times I saw the specific groups from "Category". ...
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Vagrant error : Failed to mount folders in Linux guest

...: Attempting graceful shutdown of VM... ... ==> default: Machine booted and ready! GuestAdditions 4.3.12 running --- OK. ==> default: Checking for guest additions in VM... ==> default: Configuring and enabling network interfaces... ==> default: Exporting NFS shared folders... ==> defa...
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How to detect my browser version and operating system using JavaScript?

I have tried using the code below but it only display results in Chrome and Mozilla not working in IE6. 10 Answers ...