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Collections.emptyList() returns a List?
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450
The issue you're encountering is that even though the method emptyList() returns List<T>...
Get the value of an instance variable given its name
... is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
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ZabbaZabba
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Determining whether jQuery has not found any element
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4 Answers
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Does a C# app track how long its been running?
... local time, not UTC.
– George
May 14 '14 at 19:33
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Using :after to clear floating elements
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edited Jan 28 '16 at 0:34
Chris Martin
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answe...
Twig ternary operator, Shorthand if-then-else
... page.
– Vahid Amiri
Sep 1 '16 at 9:40
If TRUE, how do you go about printing ability.id? (in place of "selected").
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Having options in argparse with a dash
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edited Dec 24 '14 at 15:37
ron rothman
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