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How do I compare two hashes?
...=> [["c", 3]]
Hash[*difference.flatten]
=> {"c"=>3}
Doing it all in one operation and getting rid of the difference variable:
Hash[*(
(hash3.size > hash1.size) \
? hash3.to_a - hash1.to_a \
: hash1.to_a - hash3.to_a
).flatten]
=> {"c"=>3}
...
How can I detect if a browser is blocking a popup?
Occasionally, I've come across a webpage that tries to pop open a new window (for user input, or something important), but the popup blocker prevents this from happening.
...
Is there a goto statement in Java?
...ll not even compile in the present, and it remains possible to make it actually do something later on, without breaking existing code.
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Concatenate two slices in Go
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Is this at all performant when the slices are quite big? Or does the compiler not really pass all the elements as parameters?
– Toad
Sep 24 '14 at 8:57
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Static methods - How to call a method from another method?
...r classes too?)
– gr4nt3d
Mar 10 at 11:51
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How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
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Which MySQL datatype to use for an IP address? [duplicate]
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answered Feb 27 '11 at 14:00
GumboGumbo
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Android selector & text color
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Should the selector really reside under res/color folder?
– mr5
Apr 21 '17 at 4:29
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Mean per group in a data.frame [duplicate]
... the many ways to specify the variables to act on. Here, vars(-Month) says all variables except Month.
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Get controller and action name from within controller?
...outeValues["id"];
else if (HttpContext.Current.Request.QueryString.AllKeys.Contains("id"))
return HttpContext.Current.Request.QueryString["id"];
return string.Empty;
}
public static string Controller(this HtmlHelper htmlHelper)
{
var routeValues = Ht...