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Assign multiple columns using := in data.table, by group
... a b col1 col2 mean sum Name1 Longer%
# 1: 1 1 hi hello 2.5 5 10 15
# 2: 2 2 hi hello 3.5 7 14 21
# 3: 3 3 hi hello 4.5 9 18 27
# 4: 1 4 hi hello 2.5 5 10 15
# 5: 2 5 hi hello 3.5 7 14 21
# 6: 3 6 hi hello 4.5 9 18 27...
Set a DateTime database field to “Now”
...
bluish
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answered Dec 20 '10 at 9:34
OdedOded
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AngularJS ng-style with a conditional expression
...ou use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok', smallWidth: myVar != 'ok'}"
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jQuery SVG vs. Raphael [closed]
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edited Nov 4 '13 at 10:54
Sanket Sahu
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answ...
Making 'git log' ignore changes for certain paths
...commits 75a6315f74 ("ls-files: add pathspec matching for submodules", 2016-10-07, Git v2.11.0-rc0 -- merge listed in batch #11) and 89a1f4aaf7 ("dir: if our pathspec might match files under a dir, recurse into it", 2019-09-17, Git v2.24.0-rc0).
Of course, do_match_pathspec() had an important advantg...
Where to find “Microsoft.VisualStudio.TestTools.UnitTesting” missing dll?
...mework.dll
It can be found at "C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\PublicAssemblies\" directory (for VS2010 professional or above; .NET Framework 4.0).
or right click on your project and select: Add Reference... > .NET:
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How to find the sum of an array of numbers
..., how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...ng/interpretation.
– ZeissS
Jun 13 '10 at 12:18
13
@ZeissS only in text/html. In real XHTML, sent...
How to convert a string into double and vice versa?
...s, because different locales format numbers differently. Some will write "1000" for one thousand, while others will write "1,000" and others "1.000" - which do you get from -[NSString doubleValue]?
– Chris Hanson
Oct 4 '08 at 19:06
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Is there a good way to attach JavaScript objects to HTML elements?
...only using the DOM)
– user47741
Sep 10 '09 at 0:14
6
It's worth noting that jQuery's data() works...