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Simple example of threading in C++
...dited Jul 5 '18 at 6:20
user276648
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answered Jun 27 '12 at 15:31
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How to sort an array of objects by multiple fields?
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answered Aug 2 '11 at 14:38
Felix KlingFelix Kling
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Can I grep only the first n lines of a file?
...achim IsakssonJoachim Isaksson
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13
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class
...elf
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written as a shorthand:
class String
def self.value_of obj
obj.to_s
end
end
Or even shorter:
def String.value_of obj
obj.to_s
end
When inside a function definition, self ...
Is PHP compiled or interpreted?
...hibault Martin-LagardetteThibault Martin-Lagardette
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...um 1 2
## $ x2: num 1 2
## - attr(*, "na.action")= 'omit' Named int 3 4
## ..- attr(*, "names")= chr "3" "4"
ADDED Have updated to reflect latest version of dplyr and comments.
ADDED Have updated to reflect latest version of tidyr and comments.
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How to find all positions of the maximum value in a list?
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SilentGhostSilentGhost
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Embed SVG in SVG?
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answered Mar 27 '11 at 18:14
PhrogzPhrogz
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Javascript checkbox onChange
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edited Aug 11 '15 at 21:54
tony gil
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answered Ju...
Can Rails Routing Helpers (i.e. mymodel_path(model)) be Used in Models?
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In Rails 3, 4, and 5 you can use:
Rails.application.routes.url_helpers
e.g.
Rails.application.routes.url_helpers.posts_path
Rails.application.routes.url_helpers.posts_url(:host => "example.com")
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