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Prepend a level to a pandas MultiIndex
...t also works for pd.Series objects, whereas the currently accepted answer (from 2013) does not.
– John
Jan 11 '18 at 12:03
1
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Why does Lua have no “continue” statement?
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Coming from a python background this is a confusing answer because every scope there already knows what are its local variables before running. I.e. I expected an unbound local variable error in the case of reaching until....
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How do I download a tarball from GitHub using cURL?
I am trying to download a tarball from GitHub using cURL , but it does not seem to be redirecting:
5 Answers
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Which is the preferred way to concatenate a string in Python?
... this case, append/join is slower.
So where does this recommendation come from? Python 2?
a += b:
0.165287017822
a.append(b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you h...
How do I programmatically shut down an instance of ExpressJS for testing?
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Things have changed because the express server no longer inherits from the node http server. Fortunately, app.listen returns the server instance.
var server = app.listen(3000);
// listen for an event
var handler = function() {
server.close();
};
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...rgv[0][0] shall be the null character if the program name is not available from the host environment.
So no, it's only the program name if that name is available. And it "represents" the program name, not necessarily is the program name. The section before that states:
If the value of argc is ...
Is there a simple way to remove unused dependencies from a maven pom.xml?
... dependencies. Is there is a command which removes any unused dependencies from a pom?
5 Answers
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Finding local IP addresses using Python's stdlib
...e IP address instead of a domain name -- it must be faster and independent from DNS availability. E.g. we can use 8.8.8.8 IP -- Google's public DNS server.
– wobmene
Apr 16 '12 at 12:27
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Can I use __init__.py to define global variables?
... subpackages and each with several modules. How can I access that variable from these modules?
4 Answers
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How can I open several files at once in Vim?
Is there a way to open all the files in a directory from within Vim? So a :command that would say in effect "Open all the files under /some/path into buffers".
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