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Understanding FFT output

... but I'll just add that you really need to apply a window function to your time domain data prior to the FFT, otherwise you will get nasty artefacts in your spectrum, due to spectral leakage. share | ...
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Shortcut to exit scale mode in VirtualBox [closed]

... This is useful for mac hosts, where I accidentally cmd+c all the time – Godisemo Jun 10 '15 at 9:17 add a comment  |  ...
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?

... @juanchopanza but the {...} syntax implies compile-time constant extent, so the ctor should be able to deduce the extent. – Richard May 26 '11 at 19:53 ...
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Is the size of C “int” 2 bytes or 4 bytes?

...e reason your book says 2 bytes is most probably because it's old. At one time, this was the norm. In general, you should always use the sizeof operator if you need to find out how many bytes it is on the platform you're using. To address this, C99 added new types where you can explicitly ask for ...
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How to remove leading zeros using C#

...be that's why i edited it :) in the end it's a questions memory vs compute time; i guess today memory is not an issue anymore in these kinds of applications – msysmilu Dec 1 '17 at 16:07 ...
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When should I use the Visitor Design Pattern? [closed]

...und() { std::cout << "meow!\n"; } But proceeding in this way, each time you want to add an operation you must modify the interface to every single class of the hierarchy. Now, suppose instead that you are satisfied with the original interface, and that you want to make the fewest possible mo...
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vertical-align with Bootstrap 3

...refixes omitted due to brevity. Flexbox syntax has been changed during the time. The new written syntax won't work on older versions of web browsers (but not that old as Internet Explorer 9! Flexbox is supported on Internet Explorer 10 and later). This means you should also use vendor-prefixed ...
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How do I create a list of random numbers without duplicates?

...without duplicates. Benchmarking in IPython, yields 103 µs ± 513 ns for %timeit random.sample(range(1000), 100) , and 17 µs ± 1.24 µs for %timeit np.random.permutation(1000)[:100] . – Ant Plante Sep 4 at 10:26 ...
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Block Comments in a Shell Script

...r nohighlight. Search term highlighting will automatically resume the next time you search for something. Example: :10,100s/^/#/g|noh – Matthew Mar 13 '15 at 20:43 ...
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Best way to get identity of inserted row?

... Almost every time I have ever wanted 'identity', I have wanted to know the key(s) of the record(s) I just inserted. If that is your situation, you want to use the OUTPUT clause. If you want something else, apply the effort to read and u...