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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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id: "1"
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StackExchange.using("externalEditor", function() {
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Using the Swift if let with logical AND operator &&
...and checking that the unwrapped optional meets the condition:
if let w = width as? Int where w < 500
{
println("success!")
}
For those now using Swift 3, "where" has been replaced by a comma. The equivalent would therefore be:
if let w = width as? Int, w < 500
{
println("success!")...
Rails: How to get the model class name based on the controller class name?
...
The accepted solution did not work for me as my controller and model was namespaced. Instead, I came up with the following method:
def controllers_model
(self.class.name.split('::')[0..-2] << controller_name.classify).join('::')
end
...
How can I get the intersection, union, and subset of arrays in Ruby?
...s by doing &(intersection), -(difference), and |(union).
Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_accessor :set
def initialize(set)
@set = set
end
# intersection
def &(other)
@set & other.set
end
# dif...
How do I revert master branch to a tag in git?
...o cat ~/diff.patch | git apply, it tells me error: unrecognized input. Any idea? @NitinBansal perhaps since you commented recently?
– Experience111
Jun 18 at 10:16
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How to force HTTPS using a web.config file
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This works, but unfortunately also on localhost. To avoid this you can add this to <conditions>: <add input="{HTTP_HOST}" pattern="localhost" negate="true" />
– wezzix
Aug 17 '17 at 15:29
...
Any equivalent to .= for adding to beginning of string in PHP?
... that in there you don't need to worry about passing in a null value by accident.
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How to convert a dictionary to query string in Python?
...plies (in particular the need to 'quote' certain characters that aren't valid in a URL). @Ignacio has also referenced two functions that would clean up your implementation and make it correct.
– Anthony Cramp
Oct 18 '11 at 4:57
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Faye vs. Socket.IO (and Juggernaut)
...Disclosure: I am the author of Faye.
Regarding Faye, everything you've said is true.
Faye implements most of Bayeux, the only thing missing right now is service channels, which I've yet to be convinced of the usefulness of. In particular Faye is designed to be compatible with the CometD reference ...
Convert a float64 to an int in Go
... answered Nov 5 '11 at 19:44
David GraysonDavid Grayson
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