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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...uest 0 elements, you get the empty end of the array. But there is no index 5, so you can't slice from there.
When you do index (like array[4]), you are pointing at elements themselves, so the indices only go from 0 to 3.
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How do I get the name of the current executable in C#?
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System.AppDomain.CurrentDomain.FriendlyName
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Vagrant error : Failed to mount folders in Linux guest
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The plugin vagrant-vbguest solved my problem:
$ vagrant plugin install vagrant-vbguest
Ou...
What command means “do nothing” in a conditional in Bash?
...do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2":
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Does Internet Explorer 8 support HTML 5?
Is there any HTML5 support in IE8? Is it on the IE8 roadmap?
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Get class that defined method
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Aaron Hall♦
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answered Jun 7 '09 at 2:23
Alex MartelliAlex Martelli
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GOTO still considered harmful? [closed]
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edited Mar 26 '17 at 19:53
community wiki
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Is there a command to refresh environment variables from the command prompt in Windows?
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edited Apr 29 '18 at 17:54
Vishrant
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answered O...
Best way to iterate through a Perl array
... element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array.
In terms of readability: #1.
In terms o...