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Move an array element from one array position to another
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31 Answers
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In Ruby, is there an Array method that combines 'select' and 'map'?
... as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
=> [3, 3, 3]
share...
How to split a delimited string in Ruby and convert it to an array?
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>> "1,2,3,4".split(",")
=> ["1", "2", "3", "4"]
Or for integers:
>> "1,2,3,4".split(",").map { |s| s.to_i }
=> [1, 2, 3, 4]
Or for later versions of ruby (>= 1.9 - as pointed out by Alex):
>> "1,2,3,4".spli...
Deleting an element from an array in PHP
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38 Answers
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range over interface{} which stores a slice
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3 Answers
3
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How to remove the first Item from a list?
I have the list [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
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Array slices in C#
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Note using Array.Copy performs a lot faster than using LINQ's Take or Skip methods.
– Michael
Jun 23 ...
Centering the pagination in bootstrap
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Bootstrap has added a new class from 3.0.
<div class="text-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1</a></li>
<li><a href="?p=1" data-original-title=""...
Combined area of overlapping circles
... Spooky
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answered Nov 3 '09 at 14:47
Ants AasmaAnts Aasma
45.7k1212 ...
Can someone explain the traverse function in Haskell?
... with this line, thanks!
– agam
Jun 30 '18 at 5:42
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