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How do I get the row count of a pandas DataFrame?

...[0].count()", "len(data.index)"], xlabel="data rows" ) EDIT: As @Dan Allen noted in the comments len(df.index) and df[0].count() are not interchangeable as count excludes NaNs, share | improve...
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Maven Install on Mac OS X

I'm trying to install maven through the terminal by following these instructions . 24 Answers ...
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How to detect the end of loading of UITableView

...htafoya's comment is right. If you want this code to detect end of loading all data from source, it wouldn't, but that's not the original question. This code is for detecting when all cells that are meant to be visible are displayed. willDisplayCell: used here for smoother UI (single cell usually di...
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Is it possible to print a variable's type in standard C++?

...at I'm recommending below is: template <typename T> std::string type_name(); which would be used like this: const int ci = 0; std::cout << type_name<decltype(ci)>() << '\n'; and for me outputs: int const <disclaimer> I have not tested this on MSVC. </disclai...
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How to return a string value from a Bash function

... +1 @tomas-f : you have to be really careful on what you have in this function "getSomeString()" as having any code which will eventually echo will mean that you get incorrect return string. – Mani Sep 14 '12 at 16:38 ...
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JavaScript: location.href to open in new window/tab?

...notification in modern browsers, doesn't simulate a _blank anchor click at all. – Nathan Hornby Oct 1 '14 at 12:46 22 ...
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/

...context at all (the message itself is independent of the protocol used to fetch it, whether it's POP3, IMAP, Exchange, uucp or whatever) so the URL has no protocol to be relative to. I've not investigated compatibility with email clients to see what they do when presented with a missing protocol han...
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Get path of executable

...uriousguy: You'd want to do it if, for example, your program might get installed in a directory of the user's choosing. You need to be able to find your executable and its support files somehow. – greyfade Jun 25 '12 at 3:11 ...
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How to get an absolute file path in Python

... Note: On most platforms, this is equivalent to calling the function normpath() as follows: normpath(join(os.getcwd(), path)). So if mydir/myfile.txt do not under os.getcwd(), the absolute path is not the real path. – coanor Nov 25 '14...
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What is WebKit and how is it related to CSS?

...ions relating to CSS, jQuery, layouts, cross-browers compatibility issues, etc... 14 Answers ...