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How to count TRUE values in a logical vector
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179
There are some problems when logical vector contains NA values.
See for example:
z <- c(TR...
Count how many records are in a CSV Python?
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16 Answers
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Responsive website zoomed out to full width on mobile
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
This tells smaller device browsers how to scale the page. You can read more about this here: https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/Usi...
to remove first and last element in array
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12 Answers
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How to have an auto incrementing version number (Visual Studio)? [duplicate]
...ibute to end with an asterisk, for example:
[assembly: AssemblyVersion("2.10.*")]
Visual studio will increment the final number for you according to these rules (thanks galets, I had that completely wrong!)
To reference this version in code, so you can display it to the user, you use reflection....
postgresql COUNT(DISTINCT …) very slow
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edited Oct 15 '16 at 21:51
answered Feb 6 '13 at 15:17
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sed error: “invalid reference \1 on `s' command's RHS”
... variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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Python argparse mutual exclusive group
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add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options...
How can I include a YAML file inside another?
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15 Answers
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