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Nested attributes unpermitted parameters
I have a Bill object, which has many Due objects. The Due object also belongs to a Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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Differences between std::make_unique and std::unique_ptr with new
Does std::make_unique have any efficiency benefits like std::make_shared ?
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Is onload equal to readyState==4 in XMLHttpRequest?
I am confuse about the xhr return event, as I can tell, there are not so much different between onreadystatechange --> readyState == 4 and onload, is it true?
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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
When looking at the documentation, I hardly see any big difference. Both "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
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Default visibility for C# classes and members (fields, methods, etc.)?
I'm trying to find a reference for the default visibility of various aspects of C#. Class types, fields, methods, enums, etc.
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How to find out which JavaScript events fired?
I have a select list:
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How do you represent a JSON array of strings?
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What does a script-Tag with src AND content mean?
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Min/Max-value validators in asp.net mvc
Validation using attributes in asp.net mvc is really nice. I have been using the [Range(min, max)] validator this far for checking values, like e.g.:
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Fit cell width to content
Given the following markup, how could I use CSS to force one cell (all cells in column) to fit to the width of the content within it rather than stretch (which is the default behaviour)?
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