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jQuery: Difference between position() and offset()
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edited Sep 1 '19 at 13:49
Bob Stein
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answered Ju...
Converting an array of objects to ActiveRecord::Relation
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How can I convert an Array of objects to an ActiveRecord::Relation? Preferably without doing...
Getting individual colors from a color map in matplotlib
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4 Answers
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Active
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What is the purpose of the -nodes argument in openssl?
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124
The option -nodes is not the English word "nodes", but rather is "no DES". When given as an arg...
How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
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edited May 15 '14 at 18:36
jcolebrand
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What's the result of += in C and C++?
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edited May 23 '17 at 11:46
Community♦
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answered May 18 '12 at 13:57
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
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Your json string is wrapped within square brackets ([]), hence it is interpreted as array instea...
XML Serialization - Disable rendering root element of array
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edited Jul 6 '16 at 10:45
answered Jan 5 '10 at 14:27
Ru...
Rails where condition using NOT NIL
...h Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that...
What is mattr_accessor in a Rails module?
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phil pirozhkov
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answered Oct 9 '08 at 1:49
AvdiAvdi
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