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Rails “validates_uniqueness_of” Case Sensitivity
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edited Apr 6 '09 at 16:59
answered Mar 27 '09 at 18:03
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XPath to find elements that does not have an id or class
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145
Pretty straightforward:
//tr[not(@id) and not(@class)]
That will give you all tr elements l...
Why does pattern matching in Scala not work with variables?
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1 Answer
1
Active
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How to echo or print an array in PHP?
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11 Answers
11
Active
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Command line: piping find results to rm
I'm trying to work out a command which deletes sql files older than 15 days.
4 Answers
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Making interface implementations async
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edited Jan 24 '13 at 18:34
answered Jan 22 '13 at 13:00
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How do I (or can I) SELECT DISTINCT on multiple columns?
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451
SELECT DISTINCT a,b,c FROM t
is roughly equivalent to:
SELECT a,b,c FROM t GROUP BY a,b,c
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C++11 reverse range-based for-loop
...or/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 17, 19 };
for (auto i : boost::adaptors::reverse(x))
std::cout << i << '\n';
for (auto i : x)
std::cout << i << '\n';
}
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Can I inject a service into a directive in AngularJS?
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edited Aug 26 '16 at 18:45
Tyrone Wilson
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How to list all properties of a PowerShell object
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139
Try this:
Get-WmiObject -Class "Win32_computersystem" | Format-List *
Get-WmiObject -Class "W...