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Rails: fields_for with index?
... many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
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How do you make an array of structs in C?
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answered May 6 '12 at 4:47
nimsnims
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Determining 32 vs 64 bit in C++
...r a way to reliably determine whether C++ code is being compiled in 32 vs 64 bit. We've come up with what we think is a reasonable solution using macros, but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are trying to ...
Converting any string into camel case
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answered Jun 4 '10 at 0:03
Christian C. SalvadóChristian C. Salvadó
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How to make tinymce paste in plain text by default
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+400
EDIT: this solution is for version 3.x, for 4.x version read the answer from @Paulo Neves
The problem is that Paste plugin automati...
Find indices of elements equal to zero in a NumPy array
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numpy.where() is my favorite.
>>> x = numpy.array([1,0,2,0,3,0,4,5,6,7,8])
>>> numpy.where(x == 0)[0]
array([1, 3, 5])
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Why should eval be avoided in Bash, and what should I use instead?
...:
# 1 -> "$1\n"
# 2 -> "$2"
# 3 -> "$3"
# 4 -> "$4"
# etc.
printf "$1\n" "${@:2}"
}
function error
{
# Send the first element as one argument, and the rest of the elements as a combined argument.
# Arguments to println:
# 1 -> '\e[31mE...
How to POST JSON Data With PHP cURL?
...phen M. HarrisStephen M. Harris
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What is the best way to convert an array to a hash in Ruby
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edited May 23 '17 at 11:47
Community♦
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answered Mar 5 '12 at 18:17
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How to check if any flags of a flag combination are set?
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Svish
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answered Aug 27 '09 at 9:48
yeyeyermanyeyey...