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Count, size, length…too many choices in Ruby?
... an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code f...
Signal handling with multiple threads in Linux
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35
This is slightly nuanced, based on which version of the Linux kernel you are using.
Assuming 2...
Zero-pad digits in string
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Gras Double
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answered Nov 27 '08 at 17:59
Konrad RudolphKonra...
JQuery to load Javascript file dynamically
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Paolo BergantinoPaolo Bergantino
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C# 3.0 auto-properties — useful or not? [closed]
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edited Apr 7 '14 at 18:32
yoozer8
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answered Au...
Why does “,,,” == Array(4) in Javascript?
...ring()
"a,b,c"
How the comparison works is described in section 11.9.3 of the specification. There you will see (x == y):
8. If Type(x) is either String or Number and Type(y) is Object,
return the result of the comparison x == ToPrimitive(y).
(arrays are objects in JavaScript)
and ...
Add hover text without javascript like we hover on a user's reputation
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Shubham Chaudhary
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answered Jun 13 '12 at 20:32
gcochardgcochard...
JComboBox Selection Change Listener?
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edited May 23 '17 at 12:10
Community♦
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answered Sep 12 '08 at 13:32
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Entity Framework 4 - AddObject vs Attach
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163
ObjectContext.AddObject and ObjectSet.AddObject:
The AddObject method is for adding newly creat...