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linq query to return distinct field values from a list of objects
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edited Jun 3 '11 at 19:01
answered Jun 3 '11 at 18:49
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Remove all values within one list from another list? [duplicate]
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>>> a = range(1, 10)
>>> [x for x in a if x not in [2, 3, 7]]
[1, 4, 5, 6, 8, 9]
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How can I “unuse” a namespace?
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answered Oct 3 '08 at 17:39
Head GeekHead Geek
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How can I check whether an array is null / empty?
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13 Answers
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Double Iteration in List Comprehension
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answered Apr 20 '16 at 5:34
SkamSkam
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What is the difference between substr and substring?
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@Pawel also when you want it to the end of the string (no second argument)
– André Chalella
Oct 20 '...
Ruby: What is the easiest way to remove the first element from an array?
...ther answer.
– Jay
Oct 15 '15 at 21:37
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Most efficient way to prepend a value to an array
...-O but certainly using the unshift method is more concise:
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
[Edit]
This jsPerf benchmark shows that unshift is decently faster in at least a couple of browsers, regardless of possibly different big-O performance if you are ok with mo...
What is the difference between int, Int16, Int32 and Int64?
What is the difference between int , System.Int16 , System.Int32 and System.Int64 other than their sizes?
10 Answers
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How do I run multiple background commands in bash in a single line?
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Exactly how do you want them to run? If you want them to be started in the background and run ...