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how to permit an array with strong parameters
..._answer_id, :province_id, :city, :category_ids => [])
Works perfectly now!
(IMPORTANT: As @Lenart notes in the comments, the array declarations must be at the end of the attributes list, otherwise you'll get a syntax error.)
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Why can't I inherit static classes?
...air. In .Net everything inherits from object, and everyone is expected to know that. So static classes always inherit from object, whether you specify it explicitly or not.
– RenniePet
Feb 7 '18 at 9:10
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Passing a string with spaces as a function argument in bash
... 's/^[ \t]*//;s/[ \t]*$//'
}
while read LINE
do
var1="$LINE"
# Below Now Works As There Are Quotes Around The 3
iputId=$(getField "${var1}" "3")
done<${someFile}
exit 0
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What is the difference between Fragment and FragmentActivity?
...ager fm = myFragmentActivity.getSupportFragmentManager()
Also useful to know is that while a fragment has to be embedded in an Activity it doesn't have to be part of the Activity layout. It can be used as an invisible worker for the activity, with no UI of its own.
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How can I run a directive after the dom has finished rendering?
...ealised I hadn't passed $timeout into the directive. Doh. Everything works now, cheers.
– Jannis
Sep 19 '12 at 2:44
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Why does dividing two int not yield the right value when assigned to double?
...s to prevent data loss).
After the upcast, a will wind up as a double and now you have division between two doubles. This will create the desired division and assignment.
AGAIN, please note that this is language specific (and can even be compiler specific), however almost all languages (certainly...
How to execute PHP code from the command line?
... loaded. The question has since been rephrased, so it does not fit so well now.
– Matt Gibson
Nov 6 '14 at 12:45
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assertEquals vs. assertEqual in python
...cal reasons, some of the TestCase methods had one or more aliases that are now deprecated. The following table lists the correct names along with their deprecated aliases:
Method Name | Deprecated alias | Deprecated alias
--------------+------------------+-----------------
assertEqual() | failUn...
Creating JS object with Object.create(null)?
I know a lot of ways to create JS objects but I didn't know the Object.create(null) 's one.
5 Answers
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jQuery attr vs prop?
Now this isn't just another What's the difference question , I have done some tests(http://jsfiddle.net/ZC3Lf/) modifying the prop and attr of <form action="/test/"></form> with the output being:
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