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Get a list of all threads currently running in Java
...rse, readability is an important factor, and one should not micro-optimize etc. However, I did my research while writing a small application performance monitor. For this kind of tool, a minimal performance imprint is essential to get reliable data, so I chose the stacktrace-less method.
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Changing the interval of SetInterval while it's running
...n. setTimeout is subject to being delayed (by 100% cpu use, other scripts, etc) where as setInterval IS NOT affected by those delays--making it far superior for 'realtime' stuff
– RozzA
Dec 26 '13 at 20:59
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HTML / CSS How to add image icon to input type=“button”?
... kicker for things like an edit post form that has "Preview" and "Submit", etc.
– Delan Azabani
May 27 '10 at 10:21
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Create a unique number with javascript time
...tDate < 10) ? '0' : '') + now.getDate().toString(); // pad with a 0
... etc... with .getHours(), getMinutes(), getSeconds(), getMilliseconds()
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How do I obtain the frequencies of each value in an FFT?
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i: Bin to access
samples: Sampling rate in Hertz (i.e. 8000 Hz, 44100Hz, etc.)
nFFT: Size of the FFT vector
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Detect IF hovering over element with jQuery
...lector matched only one element, or if you called .first() on the results, etc.
This is also referenced at my JavaScript + Web Dev Tips & Resources Newsletter.
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Converting a view to Bitmap without displaying it in Android?
...flate(layoutID, null);
//Do some stuff to the view, like add an ImageView, etc.
view.layout(0, 0, width, height);
Bitmap getViewBitmap(View view)
{
//Get the dimensions of the view so we can re-layout the view at its current size
//and create a bitmap of the same size
int width = view....
Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
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How does python numpy.where() work?
... operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolean arrays where the given condition is true).
E.g.
x = np.arange(9).reshape(3,3)
print x > 5
yields:
array([[False, False, False],
[False, False, False],
[ True, True, True]], dtyp...
What is the correct MIME type to use for an RSS feed?
...nt to use. Server will see if it can offer that the first, then the second etc... That is why the "application/rss+xml" is the best first choice and "text/xml" as a final fallback is is good.
– Robert MacLean
Jul 6 '13 at 17:07
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