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Calculating Pearson correlation and significance in Python

I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation. ...
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Replace a string in a file with nodejs

I use the md5 grunt task to generate MD5 filenames. Now I want to rename the sources in the HTML file with the new filename in the callback of the task. I wonder what's the easiest way to do this. ...
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How do I implement a callback in PHP?

How are callbacks written in PHP? 9 Answers 9 ...
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Pointer arithmetic for void pointer in C

...cremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of the pointer? 8 Answe...
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Fixed Table Cell Width

... hunterhunter 57.1k1515 gold badges105105 silver badges108108 bronze badges ...
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How to prettyprint a JSON file?

...json.loads(your_json) >>> print(json.dumps(parsed, indent=4, sort_keys=True)) [ "foo", { "bar": [ "baz", null, 1.0, 2 ] } ] To parse a file, use json.load(): with open('filename.txt', 'r') as handle: pars...
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Push to GitHub without a password using ssh-key

I generated an SSH key pair without a password and added the public key to GitHub. 6 Answers ...
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How can I check if multiplying two numbers in Java will cause an overflow?

...ase where multiplying two numbers together causes an overflow. The code looks something like this: 14 Answers ...
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JavaScript: Object Rename Key

Is there a clever (i.e. optimized) way to rename a key in a javascript object? 23 Answers ...
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Why does ConcurrentHashMap prevent null keys and values?

...t nulls aren't allowed in ConcurrentMaps (ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that may be just barely tolerable in non-concurrent maps can't be accommodated. The main one is that if map.get(key) returns null, you can't detect whether the key explicitly maps to nul...