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Get decimal portion of a number with JavaScript
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Use 1, not 2.
js> 2.3 % 1
0.2999999999999998
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What is IP address '::1'?
...1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1.
See http://en.wikipedia.org/wiki/Localhost
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Checking for NULL pointer in C/C++ [closed]
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206
In my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on ...
Is < faster than
Is if( a &lt; 901 ) faster than if( a &lt;= 900 ) .
14 Answers
14
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Difference between map and collect in Ruby?
...well: In C++'s Standard Template Library, it is called transform, in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these language...
Use StringFormat to add a string to a WPF XAML binding
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220
Your first example is effectively what you need:
&lt;TextBlock Text="{Binding CelsiusTemp, Stri...
Extract elements of list at odd positions
...l. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2] at the end is just a notation for list slicing. Usually it is in the followi...
PHP shell_exec() vs exec()
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Daniel A. WhiteDaniel A. White
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How to split a sequence into two pieces by predicate?
...ing partition method:
scala&gt; List(1,2,3,4).partition(x =&gt; x % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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How to sort an array by a date property
... else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generic, Powerful Answer
Define a custom non-enumerable sortBy function using a Schwartzian transform o...