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How do I retrieve the number of columns in a Pandas data frame?
How do you programmatically retrieve the number of columns in a pandas dataframe? I was hoping for something like:
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Is it possible to use raw SQL within a Spring Repository
I need to use raw SQL within a Spring Data Repository, is this possible? Everything I see around @Query is always entity based.
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How can I convert a string to a number in Perl?
I have a string which holds a decimal value in it and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string t...
What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
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How to detect IE11?
When I want to detect IE I use this code:
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Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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How can I delete a query string parameter in JavaScript?
Is there better way to delete a parameter from a query string in a URL string in standard JavaScript other than by using a regular expression?
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Equivalent of varchar(max) in MySQL?
What is the equivalent of varchar(max) in MySQL?
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Controlling maven final name of jar artifact
I'm trying to define a property in our super pom which will be used by all child projects as the destination of the generated artifact.
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What is the best way to count “find” results?
...lution would be find <expr> -exec printf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
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