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plot a circle with pyplot
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Here's an example of doing this:
import matplotlib.pyplot as plt
circle1 = plt.Circle((0, 0), 0.2, color='r')
circle2 = plt.Circle((0.5, 0.5), 0.2, color='blue')
circle3 = plt.Circle((1, 1), 0.2, color='g', clip_on=False)
fig, ax = plt.subplots() # note we must use plt.subplots, not plt.subplot...
How to pass arguments and redirect stdin from a file to program run in gdb?
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136
Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting ...
range over interface{} which stores a slice
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137
Well I used reflect.ValueOf and then if it is a slice you can call Len() and Index() on the va...
Groovy / grails how to determine a data type?
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edited Apr 22 '10 at 8:24
answered Jan 13 '10 at 21:34
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Redirect to named url pattern directly from urls.py in django?
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198
If you are on Django 1.4 or 1.5, you can do this:
from django.core.urlresolvers import revers...
Calling shell functions with xargs
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175
Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xar...
How to use MySQL DECIMAL?
...DECIMAL. I need the row to be able to contain a number anywhere from 00.0001 to 99.9999. How would I structure it to work like so?
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Is null reference possible?
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References are not pointers.
8.3.2/1:
A reference shall be initialized to
refer to a valid object or function.
[Note: in particular, a null reference
cannot exist in a well-defined
program, because the only way to
create such a reference would be...
Usage of @see in JavaDoc?
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119
Yeah, it is quite vague.
You should use it whenever for readers of the documentation of your ...