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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...
Set value of hidden input with jquery
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answered Jan 26 '11 at 9:42
user557419user557419
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What are bitwise shift (bit-shift) operators and how do they work?
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The bit shifting operators do exactly what their name implies. They shift bits. Here's a brie...
How can I remove a flag in C?
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Short Answer
You want to do an Bitwise AND operation on the current value with a Bitwise NOT op...
Load and execute external js file in node.js with access to local variables?
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edited Nov 23 '13 at 18:30
JJJ
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Android Studio/Intellij Idea: “Table of Contents” for a class
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IDEA has a tab called "Structure", which shows all the methods, fields, etc. of the currently-...
How does one make an optional closure in swift?
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edited Jul 27 '14 at 12:19
answered Jun 24 '14 at 20:46
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What's the magic of “-” (a dash) in command-line parameters?
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paxdiablopaxdiablo
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Joda-Time: what's the difference between Period, Interval and Duration?
In Joda-Time 2, what is the difference between the three kinds of time spans:
2 Answers
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