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Why does .NET foreach loop throw NullRefException when collection is null?
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answered Jun 21 '10 at 20:15
RobaticusRobaticus
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...est-footgun.html
– ivan_pozdeev
May 10 '19 at 9:44
@ivan_pozdeev thanks for the link, very interesting. Note that the ...
Why shouldn't Java enum literals be able to have generic type parameters?
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Lukas EderLukas Eder
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How to create circle with Bézier curves?
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10 Answers
10
Active
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An efficient way to transpose a file in Bash
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print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time perl test.pl file...
Split string in Lua?
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101
Here is my really simple solution. Use the gmatch function to capture strings which contain at...
How to cache data in a MVC application
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answered Dec 5 '08 at 14:10
terjetylterjetyl
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Peak signal detection in realtime timeseries data
...y you want the algorithm to adapt to these trends. I.e., if you put lag at 10, it takes 10 'periods' before the algorithm's treshold is adjusted to any systematic changes in the long-term average. So choose the lag parameter based on the trending behavior of your data and how adaptive you want the a...
String.IsNullOrWhiteSpace in LINQ Expression
...ty)
For Linq to Entities this gets translated into:
DECLARE @p0 VarChar(1000) = ''
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WHERE NOT (([t0].[Diameter] IS NULL) OR (LTRIM(RTRIM([t0].[Diameter])) = @p0))
and for Linq to SQL almost but not quite the same
DECLARE @p0 NVarChar(1000) = ''
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WHERE NOT (LTRIM(RTRIM([t0].[TypeName])) =...
Principal component analysis in Python
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edited Sep 3 '10 at 11:40
nikow
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answ...