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What Process is using all of my disk IO
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You're looking for iotop (assuming you've got kernel >2.6.20 and Python 2.5). Failing that, you're looking into hooking into the filesystem. I recommend the former.
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Circle drawing with SVG's arc path
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answered Apr 21 '11 at 0:41
Todd MainTodd Main
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How to slice an array in Bash
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answered Aug 26 '09 at 17:10
Paused until further notice.Paused until further notice.
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
... QuickRandom qr = new QuickRandom();
int[] frequencies = new int[10];
for (int i = 0; i < 100000; i++) {
frequencies[(int) (qr.random() * 10)]++;
}
printDistribution("QR", frequencies);
frequencies = new int[10];
for (int i = 0; i <...
What is in your Mathematica tool bag? [closed]
... processing.
As an example of its utility, I've been working with Wannier90 which outputs the spatially dependent Hamiltonian into a file where each line is a different element in the matrix, as follows
rx ry rz i j Re[Hij] Im[Hij]
To turn that list into a set of matrices, I gathered up all subl...
How do you detect where two line segments intersect? [closed]
...th s, getting
(p + t r) × s = (q + u s) × s
And since s × s = 0, this means
t (r × s) = (q − p) × s
And therefore, solving for t:
t = (q − p) × s / (r × s)
In the same way, we can solve for u:
(p + t r) × r = (q + u s) × r
u (s × r) = (p − q) × r
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How to scale down a range of numbers with a known min and max value
...l. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
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Easy pretty printing of floats in python?
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102
As noone has added it, it should be noted that going forward from Python 2.6+ the recommended w...
HTML5 Canvas Resize (Downscale) Image High Quality?
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+100
Since your problem is to downscale your image, there is no point in talking about interpolation -which is about creating pixel-. The ...
Can I set background image and opacity in the same property?
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Two methods:
Convert to PNG and make the original image 0.2 opacity
(Better method) have a <div> that is position: absolute; before #main and the same height as #main, then apply the background-image and opacity: 0.2; filter: alpha(opacity=20);.
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