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How can I use numpy.correlate to do autocorrelation?

...mode='full') return result[result.size/2:] You will, of course, need error checking to make sure that x is actually a 1-d array. Also, this explanation probably isn't the most mathematically rigorous. I've been throwing around infinities because the definition of convolution uses them, but tha...
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How do I download a tarball from GitHub using cURL?

...temporary problem right now, but github is returning a 500 internal server error for this at the moment. – B T Oct 29 '13 at 21:15 15 ...
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JavaScript isset() equivalent

... the problem with this is that you get an error when you try to check deeper properties, for example: obj.thisdoesntexist.foo !== undefined. In PHP you can use isset or empty and safely at any deep. – Enrique Aug 21 '11 at 16:35...
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How to know what the 'errno' means?

... You can use strerror() to get a human-readable string for the error number. This is the same string printed by perror() but it's useful if you're formatting the error message for something other than standard error output. For example: #i...
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Batch file to delete files older than N days

... Same error as in other answers (including the accepted one). Where did this strange habit of specifying *.* come from? Wildcard *.* does not match all files in Windows. It only matches files with . in their names. The OP never sai...
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Declaring abstract method in TypeScript

...(5); } } The old way of mimicking an abstract method was to throw an error if anyone used it. You shouldn't need to do this any more once TypeScript 1.6 lands in your project: class Animal { constructor(public name) { } makeSound(input : string) : string { throw new Error('Thi...
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Convert char to int in C and C++

...rn (unsigned char)c; } char chr(int n) { assert(0 <= n); // Or other error-/sanity-checking. assert(n <= UCHAR_MAX); return (unsigned char)n; } // Ord and chr are named to match similar functions in other languages // and libraries. ord(c) always gives you a non-negative value – ev...
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What is the syntax to insert one list into another list in python?

... can! – user3707850 Feb 8 '18 at 19:05 add a comment  |  ...
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How to Free Inode Usage?

...last list. – mogsie Mar 7 '13 at 13:05 12 If you cannot create any files, even that can fail beca...
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Abusing the algebra of algebraic data types - why does this work?

...rom? – Chris Taylor Feb 8 '12 at 13:05 1 ...