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Map and Reduce in .NET
...as it albeit under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapr...
Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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edited Oct 15 '16 at 10:43
Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
answer...
How do I space out the child elements of a StackPanel?
...ype="{x:Type TextBox}">
<Setter Property="Margin" Value="0,10,0,0"/>
</Style>
</StackPanel.Resources>
<TextBox Text="Apple"/>
<TextBox Text="Banana"/>
<TextBox Text="Cherry"/>
</StackPanel>
EDIT: In case you would wa...
How to break out or exit a method in Java?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 29 '11 at 4:41
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Is Big O(logn) log base e?
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edited Feb 15 '10 at 5:23
community wiki
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Can you 'exit' a loop in PHP?
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answered Feb 26 '09 at 2:47
TheTXITheTXI
35.4k1010 gold badges8282 silver badges109109 bronze badges
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Determine which JAR file a class is from
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200
Yes. It works for all classes except classes loaded by bootstrap classloader. The other way to ...
jQuery attr vs prop?
...dIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if ( elem ) {
index = elem.selectedIndex;
}
That sucked, so prop was added:
index = $("#foo").prop("selectedIndex");
This was great, but annoyingly this wasn't backward compatible, as:
<input type="checkbox" checke...
What is Python buffer type for?
...'
>>> t = buffer(s, 6, 5)
>>> t
<read-only buffer for 0x10064a4b0, size 5, offset 6 at 0x100634ab0>
>>> print t
world
The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of t...
iOS: Compare two dates
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210
According to Apple documentation of NSDate compare:
Returns an NSComparisonResult value that...