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Many-to-many relationship with the same model in rails?
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For reference: the Rails documentation on the subject. There's a section called “Many-to-many”, and of course the documentation on the class methods themselves.
Simplest scenario, uni-directional, no additional fields
This is the most compact in code.
I'll start out with this basic schema fo...
Syntax for a single-line Bash infinite while loop
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answered Aug 17 '09 at 16:32
Stefano BoriniStefano Borini
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Why doesn't Java Map extend Collection?
...end
Map, but this raises the question:
what are the keys? There's no really
satisfactory answer, and forcing one
leads to an unnatural interface.
Maps can be viewed as Collections (of
keys, values, or pairs), and this fact
is reflected in the three "Collection
view operations" on ...
T-SQL Cast versus Convert
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AtarioAtario
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3
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What is href=“#” and why is it used?
...ain use of anchor tags - <a></a> - is as hyperlinks. That basically means that they take you somewhere. Hyperlinks require the href property, because it specifies a location.
Hash:
A hash - # within a hyperlink specifies an html element id to which the window should be scrolled.
hre...
How to perform element-wise multiplication of two lists?
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– mbomb007
Aug 9 '18 at 13:32
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When to use references vs. pointers
...going in undefined-behaviour-land;
the reference attribute version doesn't allow (without easy to spot tricks) the problem with 1.
the reference attribute version is simpler to understand for the user: you have to provide a valid object, not something that could be null.
If the behaviour of the fun...
C# generic list how to get the type of T? [duplicate]
...Type(), out innerType).Dump();
innerType.Dump();
Returns
True
typeof(Int32)
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How to pass parameters using ui-sref in ui-router to controller
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answered Aug 10 '15 at 13:32
felixfbeckerfelixfbecker
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How do I check if an HTML element is empty using jQuery?
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EmilEmil
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