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how to permit an array with strong parameters
..._ids are passed to the create action in an array
"category_ids"=>["", "2"],
Therefore, when declaring strong parameters, I explicitly set category_ids to be an array
params.require(:question).permit(:question_details, :question_content, :user_id, :accepted_answer_id, :province_id, :city, :cat...
Is it possible to make a type only movable and not copyable?
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2 Answers
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Python extending with - using super() Python 3 vs Python 2
...super() -> same as super(__class__, self)
so that would be the Python 2 equivalent for new-style classes:
super(CurrentClass, self)
for old-style classes you can always use:
class Classname(OldStyleParent):
def __init__(self, *args, **kwargs):
OldStyleParent.__init__(self, *args...
bower init - difference between amd, es6, globals and node
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121
If you don't know, it's quite likely globals is the right answer for you.
Either way, you need...
Set folder browser dialog start location
...amagreat_llama
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21
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Fetch first element which matches criteria
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221
This might be what you are looking for:
yourStream
.filter(/* your criteria */)
.find...
jQuery - Add ID instead of Class
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228
Try this:
$('element').attr('id', 'value');
So it becomes;
$(function() {
$('span .bre...
assertEquals vs. assertEqual in python
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215
Good question!
Actually, in Python 2.6, both assertEqual and assertEquals are convenience ali...
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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edited May 2 '13 at 14:23
Mason Wan
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answered Sep 9 '08...
Importing from a relative path in Python
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EDIT Nov 2014 (3 years later):
Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' mea...