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Execute code when Django starts ONCE only?

... entirely a separate problem. The idea of special one-time startup before all management commands is hard to understand. You'll have to provide something specific. Perhaps in another question. – S.Lott Feb 13 '12 at 12:49 ...
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libpng warning: iCCP: known incorrect sRGB profile

...geMagick's convert in.png out.png To remove the invalid iCCP chunk from all of the PNG files in a folder (directory), you can use mogrify from ImageMagick: mogrify *.png This requires that your ImageMagick was built with libpng16. You can easily check it by running: convert -list format | gre...
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pandas dataframe columns scaling with sklearn

...and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works: ...
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How do I get the directory that a program is running from?

... When I see code that looks at /proc part of me dies a little. All the world is not Linux, and even on that one platform /proc should be considered subject to change from version to version, arch to arch, etc. – asveikau Jan 28 '10 at 0:29 ...
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Why should text files end with a newline?

I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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How do I size a UITextView to its content?

... Tested on iOS 7 to resize an UITextView into an UITableViewCell. Works really great. This is the only answer that finally worked for me. Thanks! – Alex Nov 30 '13 at 18:40 39 ...
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Convert a PHP object to an associative array

...e Typecasting with (array) and (object) works reliably and the same across all versions since PHP 4.3. See 3v4l.org/X6lhm. If you get a syntax error, you did something wrong. – Gordon Nov 30 '15 at 10:26 ...
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Refresh a page using JavaScript or HTML [duplicate]

... no, i did not test them all – epoch Jan 10 '14 at 8:06 13 ...
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WCF Service , how to increase the timeout?

...re send back and forth "normal" messages, both can be pretty short - especially the receiveTimeout, since receiving a SOAP message, decrypting, checking and deserializing it should take almost no time. The story is different with streaming - in that case, you might need more time on the client to ac...
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Strip spaces/tabs/newlines - python

I am trying to remove all spaces/tabs/newlines in python 2.7 on Linux. 7 Answers 7 ...