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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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Calling a function from a string in C#
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edited Feb 12 '09 at 4:59
answered Feb 12 '09 at 4:53
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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♦
111 silver badge
answered Mar 5 '12 at 18:17
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Merge and interleave two arrays in Ruby
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4
What if a has more than 3 elements?
– Michael Kohl
Sep 5 '11 at 21:17
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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 ...
How to check if any flags of a flag combination are set?
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Svish
132k149149 gold badges410410 silver badges574574 bronze badges
answered Aug 27 '09 at 9:48
yeyeyermanyeyey...
How to POST JSON Data With PHP cURL?
...phen M. HarrisStephen M. Harris
5,25222 gold badges3434 silver badges4242 bronze badges
1
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How to round up the result of integer division?
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491
Found an elegant solution:
int pageCount = (records + recordsPerPage - 1) / recordsPerPage;
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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 emulate GPS location in the Android Emulator?
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444
You can connect to the Emulator via Telnet. You then have a Emulator console that lets you ent...