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How do you detect where two line segments intersect? [closed]
...first line segment (p + t r):
t0 = (q − p) · r / (r · r)
t1 = (q + s − p) · r / (r · r) = t0 + s · r / (r · r)
If the interval between t0 and t1 intersects the interval [0, 1] then the line segments are collinear and overlapping; otherwise they are collinear and disj...
What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
... mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0.0.0:4000) requires Internet access. I c...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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How to use glOrtho() in OpenGL?
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Have a look at this picture: Graphical Projections
The glOrtho command produces an "Oblique"...
What is Bit Masking?
...s an example of extracting a subset of the bits in the value:
Mask: 00001111b
Value: 01010101b
Applying the mask to the value means that we want to clear the first (higher) 4 bits, and keep the last (lower) 4 bits. Thus we have extracted the lower 4 bits. The result is:
Mask: 00001111b
Valu...
Syntax for creating a two-dimensional array
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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What is the most pythonic way to check if an object is a number?
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Numbering rows within groups in a data frame
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edited Mar 14 '17 at 22:06
Frank
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Reverse colormap in matplotlib
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edited Nov 1 '14 at 5:13
answered Jul 19 '10 at 11:45
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