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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...
symbol(s) not found for architecture i386
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edited Jul 1 '17 at 2:29
Cœur
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answe...
AngularJS : ng-model binding not updating when changed with jQuery
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edited May 23 '17 at 12:02
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111 silver badge
answered Aug 8 '12 at 22:00
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How can I read a function's signature including default argument values?
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edited Nov 30 '17 at 12:17
answered Apr 20 '10 at 17:29
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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...
Difference between / and /* in servlet mapping url pattern
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271
<url-pattern>/*</url-pattern>
The /* on a servlet overrides all other servlets, in...
In Python how should I test if a variable is None, True or False
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120
Don't fear the Exception! Having your program just log and continue is as easy as:
try:
r...