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How to call an external command?
How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
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RSpec vs Cucumber (RSpec stories) [closed]
...nt to use Cucumber when you're implementing application for the client and do not understand how the whole system is supposed to work yet.
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When is del useful in python?
...nt is to remove the variable from scope. It's not clear that foo = None is doing that. If somebody just assigned foo = None I might think it was dead code. But I instantly know what somebody who codes del foo was trying to do.
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How do I show my global Git configuration?
...long --list option. For less obvious shorthands I often have to check what do they stand for, so I prefer long names. They're even easier, with command completion, when you don't really have to type all characters, but still see whole option name.
– Krzysztof Jabłoński
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What is the Difference Between Mercurial and Git?
I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git.
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How do I pipe or redirect the output of curl -v?
...-s (silent) option to remove the progress meter, then redirect stderr to stdout to get verbose output on the same fd as the response body
curl -vs google.com 2>&1 | less
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How do you make Git ignore files without using .gitignore?
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Do not forget, according to gitignore, that there is an order of precedence in the different "ignore pattern sources" that Git consider:
Patterns read from the command line for those commands that support them.
Patterns rea...
html onchange event not working
I am trying to do some experiment. What I want to happen is that everytime the user types in something in the textbox, it will be displayed in a dialog box. I used the onchange event property to make it happen but it doesn't work. I still need to press the submit button to make it work. I read abo...
Bash array with spaces in elements
...ink the issue might be partly with how you're accessing the elements. If I do a simple for elem in $FILES, I experience the same issue as you. However, if I access the array through its indices, like so, it works if I add the elements either numerically or with escapes:
for ((i = 0; i < ${#FILES...
Generate a heatmap in MatPlotLib using a scatter data set
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If you don't want hexagons, you can use numpy's histogram2d function:
import numpy as np
import numpy.random
import matplotlib.pyplot as plt
# Generate some test data
x = np.random.randn(8873)
y = np.random.randn(8873)
heatmap, x...