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How do I tell if a regular file does not exist in Bash?
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More succinctly: [ ! -f /tmp/foo.txt ] && echo "File not found!"
– DavidWinterbottom
Sep 29 '10 at 12:09
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getting date format m-d-Y H:i:s.u from milliseconds
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I've answered on question as short and simplify to author. Please see for more information to author: getting date format m-d-Y H:i:s.u from milliseconds
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jQuery callback on image load (even when the image is cached)
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Check if event exists on element [duplicate]
... liked your first example better, the $.data(elem, 'events') supplies much more information.
– Corey Hart
Oct 3 '09 at 23:04
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Git Symlinks in Windows
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@flungo There are more portable ways to print the fourth column than using GNU awk. For example: git ls-files -s | grep '^12' | cut -f2 (second tab-delimited column; other columns are space-delimited)
– Zenexer
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Passing an integer by reference in Python
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What is lexical scope?
... found. Arak's example is nice, but may be too short for someone who needs more examples (actually, comparing with other languages..). Take a look. It is important to understand this, as that keyword will lead us to understand lexical scope. howtonode.org/what-is-this
– CppLear...
warning about too many open figures
...res with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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How to check if array is empty or does not exist? [duplicate]
...air amount of attention, so I'd like to point out that my original answer, more than anything else, addressed the wrong order of the conditions being evaluated in the question. In this sense, it fails to address several scenarios, such as null values, other types of objects with a length property, e...
Adding a directory to the PATH environment variable in Windows
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