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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...
Github: error cloning my private repository
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Confused about __str__ on list in Python [duplicate]
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answered Sep 16 '12 at 15:33
Sven MarnachSven Marnach
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Whether a variable is undefined [duplicate]
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jQuery.val() and .text() will never return 'undefined' for an empty selection. It always return...
Proper way to rename solution (and directories) in Visual Studio
I have a rather involved Visual Studio solution (2010, but it shouldn't matter) that I need to rename.
18 Answers
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Difference between passing array and array pointer into function in C
...eters treated as though they were declared as pointers? Here's why:
6.3.2.1 Lvalues, arrays, and function designators
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3 Except when it is the operand of the sizeof operator or the unary & operator, or is a
string literal used to initialize an array, an expression that has type ‘‘array...
How do you check that a number is NaN in JavaScript?
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edited May 23 '17 at 11:47
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answered Apr 16 '10 at 10:58
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How to ignore the certificate check when ssl
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answered Sep 20 '12 at 6:26
Sani Singh HuttunenSani Singh Huttunen
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How to effectively work with multiple files in Vim
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