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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
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+100
Edit: This is a more complete version that shows more differences between [ (aka test) and [[.
The following table shows that whethe...
Convert Datetime column from UTC to local time in select statement
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You can do this as follows on SQL Server 2008 or greater:
SELECT CONVERT(datetime,
SWITCHOFFSET(CONVERT(datetimeoffset,
MyTable.UtcColumn),
DATENAME(TzOffset, SYSDATETIMEOFFSET())))
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What is the simplest way to get indented XML with line breaks from XmlDocument?
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210
Based on the other answers, I looked into XmlTextWriter and came up with the following helper me...
Capybara Ambiguity Resolution
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answered Nov 14 '12 at 21:08
e-zince-zinc
4,31122 gold badges1717 silver badges1717 bronze badges
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How can I upload files asynchronously?
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+300
With HTML5 you can make file uploads with Ajax and jQuery. Not only that, you can do file validations (name, size, and MIME type) or ...
Using “this” with class name
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answered Nov 2 '10 at 18:29
CristianCristian
188k5858 gold badges348348 silver badges260260 bronze badges
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What is a predicate in c#? [duplicate]
...our question:
Predicate<int> pre = delegate(int a){ return a % 2 == 0; };
Here we have a Predicate<int> pre that takes an int a and returns a % 2 == 0. This is essentially testing for an even number. What that means is:
pre(1) == false;
pre(2) == true;
And so on. This also means, i...
How does the main() method work in C?
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+50
Some of the features of the C language started out as hacks which just happened to work.
Multiple signatures for main, as well as var...
Find and extract a number from a string
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70
go through the string and use Char.IsDigit
string a = "str123";
string b = string.Empty;
int va...
How to run a shell script in OS X by double-clicking?
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edited Aug 28 at 2:40
Jay
94888 silver badges1919 bronze badges
answered Feb 26 '11 at 9:14
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