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Fast permutation -> number -> permutation mapping algorithms

I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements. ...
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Ruby: How to iterate over a range, but in set increments?

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Can I Replace Apache with Node.js?

... iono 2,38211 gold badge2323 silver badges3434 bronze badges answered Mar 17 '11 at 22:41 sarnoldsarnold 94.7k1919 gold b...
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Can I serve multiple clients using just Flask app.run() as standalone?

...| edited Oct 1 '19 at 10:34 Mark Amery 98.8k4848 gold badges336336 silver badges379379 bronze badges ans...
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What exactly does stringstream do?

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UIView's frame, bounds, center, origin, when to use what?

... 240 Marco's answer above is correct, but just to expand on the question of "under what context"... ...
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How to exclude specific folders or files from validation in Eclipse?

...example? – Andrea Scarafoni Sep 2 '14 at 15:38 add a comment  |  ...
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Is a statically-typed full Lisp variant possible?

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Assert a function/method was not called using Mock

... 148 This should work for your case; assert not my_var.called, 'method should not have been called'...