大约有 43,100 项符合查询结果(耗时:0.0523秒) [XML]
Count number of occurences for each unique value
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Mapping a function on the values of a map in Clojure
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How do you convert epoch time in C#?
...ow do you convert Unix epoch time into real time in C#? (Epoch beginning 1/1/1970)
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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...
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....
Responsive website zoomed out to full width on mobile
...ead..
<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...
Count how many records are in a CSV Python?
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16 Answers
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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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Python argparse mutual exclusive group
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add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options...
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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