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Getting individual colors from a color map in matplotlib
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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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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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246
Slash is a date delimiter, so that will use the current culture date delimiter.
If you want to...
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...