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plot a circle with pyplot
... 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
# (or if you have an existing figure)
# fig = plt.gcf()
# ax = fig.gca()
ax.add_artist(circle1)...
Remove blank lines with grep
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308
Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching...
Make a link use POST instead of GET
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edited Feb 19 '16 at 23:14
Michał Perłakowski
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How can I select all elements without a given class in jQuery?
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edited Sep 13 '16 at 11:52
vsync
76.1k4141 gold badges223223 silver badges291291 bronze badges
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The 'packages' element is not declared
When using asp.net mvc 3 project with vs 2010 I have lots of warnings like the ones below:
5 Answers
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How do I run a Ruby file in a Rails environment?
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136
The simplest way is with rails runner because you don't need to modify your script.
http://gui...
Android static object lifecycle
... screen populate in another screen then user can edit search criteria from 3rd screen and goes to 4th screen.
4 Answers
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Rails formatting date
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237
Use
Model.created_at.strftime("%FT%T")
where,
%F - The ISO 8601 date format (%Y-%m-%d)
%T...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...ata depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] .
6 Answers
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How can I check if an ip is in a network in Python?
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30
This article shows you can do it with socket and struct modules without too much extra effort. ...