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Does Swift support reflection?
...[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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Pull request without forking?
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GitHub has a good guide about that: help.github.com/articles/creating-a-pull-request
– Ryan Bigg
Jan 5 '15 at 3:29
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File path to resource in our war/WEB-INF folder?
.... BTW, GenericServlet now has a method to getServletContext() docs.oracle.com/javaee/6/api/javax/servlet/…
– Berin Loritsch
Sep 20 '16 at 18:25
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string.ToLower() and string.ToLowerInvariant()
... ınfo without the dot on the i instead of info and thus mucking up string comparisons. For that reason, ToLowerInvariant should be used on any non-language-specific data. When you might have user input that might be in their native language/character-set, would generally be the only time you use ...
What does ~~ (“double tilde”) do in Javascript?
...ample is:
-43.210 = 111111111111111111111111110101012
as a signed (two's complement) 32-bit binary number. (JavaScript ignores what is after the decimal point.) Inverting the bits gives:
NOT -4310 = 000000000000000000000000001010102 = 4210
Inverting again gives:
NOT 4210 = 111111111111111111111...
iOS difference between isKindOfClass and isMemberOfClass
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iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...swer your question directly, but it will give you the elements that are in common. This can be done with Paul Murrell's package compare:
library(compare)
a1 <- data.frame(a = 1:5, b = letters[1:5])
a2 <- data.frame(a = 1:3, b = letters[1:3])
comparison <- compare(a1,a2,allowAll=TRUE)
compa...
Rails 4 - Strong Parameters - Nested Objects
... the implementation of permit and strong_parameters itself: https://github.com/rails/rails/blob/master/actionpack/lib/action_controller/metal/strong_parameters.rb#L246-L247
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Is there a way to make text unselectable on an HTML page? [duplicate]
...elect: none;
/*
Introduced in IE 10.
See http://ie.microsoft.com/testdrive/HTML5/msUserSelect/
*/
-ms-user-select: none;
user-select: none;
}
For IE < 10 and Opera, you will need to use the unselectable attribute of the element you wish to be unselectable. You can set thi...