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Ruby: Easiest Way to Filter Hash Keys?
...with just the choices in it.
choices = params.select { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
params.delete_if { |key, value| !key.to_s.match(/choice\d+/) }
or if it is just the keys and not the values you want then you can do:
p...
How to sort a Ruby Hash by number value?
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edited Jan 16 '15 at 17:10
answered Mar 29 '10 at 18:55
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Sending command line arguments to npm script
...y in your script.
– Thomas
May 10 '16 at 8:58
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AFAIKS, this only makes it possible to add param...
How can I efficiently select a Standard Library container in C++11?
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edited May 16 '16 at 7:29
user2508324
answered May 22 '12 at 11:26
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How to call Android contacts list?
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edited Mar 5 '16 at 14:13
H. Pauwelyn
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How to modify Github pull request？
...need more commits
You push c11,c21,c31 to b
The pull request now shows all 6 six commits
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What is the difference between pull and clone in git?
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260
git clone is how you get a local copy of an existing repository to work on. It's usually only u...
“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
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community wiki
6 revs, 4 users 70%DaveRandom
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How can I convert a string to a number in Perl?
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AlnitakAlnitak
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How to trigger a file download when clicking an HTML button or JavaScript
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Gray
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answered Jul 23 '12 at 21:26
CfreakCfreak
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