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Make a div into a link

...shouldn't be needed just for a link, and very bad SEO/accessibility); invalid HTML. In essence it's this: Build your panel using normal CSS techniques and valid HTML. Somewhere in there put a link that you want to be the default link if the user clicks on the panel (you can have other links too)...
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Adding a user to a group in django

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How to toggle a boolean?

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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?

...) pd.isnull(s) Out[9]: 0 False 1 True 2 False dtype: bool The idea of using numpy.nan to represent missing values is something that pandas introduced, which is why pandas has the tools to deal with it. Datetimes too (if you use pd.NaT you won't need to specify the dtype) In [24]: s = ...
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Remove file from the repository but keep it locally

...ge process. After that, a push will cause the files to be removed server-side. – Walter Mundt Aug 12 '10 at 16:38 7 ...
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Setting transparent images background in IrfanView

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New lines inside paragraph in README.md

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Speed up the loop operation in R

...f data (fread). Next, try for speed gains through more efficient means of calling R: Compile your R script. Or use the Ra and jit packages in concert for just-in-time compilation (Dirk has an example in this presentation). Make sure you're using an optimized BLAS. These provide across-the-board...
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Using sed, how do you print the first 'N' characters of a line?

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Find all files with a filename beginning with a specified string?

... If you want to restrict your search only to files you should consider to use -type f in your search try to use also -iname for case-insensitive search Example: find /path -iname 'yourstring*' -type f You could also perform some operations on results without pipe sign or xargs Examp...