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What predefined macro can I use to detect clang?
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121
To get a list of all the predefined macros that the compiler uses, use this:
clang -dM -E -x c...
How do I calculate a point on a circle’s circumference?
..., so rather than cycling through 0..360 degrees, you're cycling through 0..2PI radians.
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What is digest authentication?
...03 Forbidden (access denied).
Digest authentication is standardized in RFC2617. There's a nice overview of it on Wikipedia:
You can think of it like this:
Client makes request
Client gets back a nonce from the server and a 401 authentication request
Client sends back the following response arra...
How to add text to a WPF Label in code?
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192
Try DesrLabel.Content. Its the WPF way.
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How to select between brackets (or quotes or …) in Vim?
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282
Use whatever navigation key you want to get inside the parentheses, then you can use either yi...
Where are environment variables stored in registry?
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283
Here's where they're stored on XP through Server 2012 R2:
User Variables
HKEY_CURRENT_USER...
vertical & horizontal lines in matplotlib
... the axis and 1.0 as the maximum of the axis.
Instead, use plt.plot((x1, x2), (y1, y2), 'k-') to draw a line from the point (x1, y1) to the point (x2, y2) in color k. See pyplot.plot.
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How do I check which version of NumPy I'm using?
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392
import numpy
numpy.version.version
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How to remove last n characters from every element in the R vector
...("foo_bar","bar_foo","apple","beer")
a = data.frame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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How to delete a record in Django models?
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answered Sep 27 '10 at 16:51
WolphWolph
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