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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...
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...
Plotting time in Python with Matplotlib
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HintPath vs ReferencePath in Visual Studio
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Set default syntax to different filetype in Sublime Text 2
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Memory footprint of Haskell data types
... instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a 32-bit machine, and 8 bytes on a 64-bit machine.
So e.g.
data Uno = Uno a
data Due = Due a b
an Uno takes 2 words, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
now, Int# takes one wor...
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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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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Slash is a date delimiter, so that will use the current culture date delimiter.
If you want to...
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...