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Why is Scala's immutable Set not covariant in its type?
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Set is invariant in its type parameter because of the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] extends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set were covariant in A, the apply met...
Can I add color to bootstrap icons only using CSS?
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Yes, if you use Font Awesome with Bootstrap! The icons are slightly different, but there are more of them, they look great at any size, and you can change the colors of them.
Basically the icons are fonts and you can change the color of them just wi...
How to disable right-click context-menu in JavaScript [duplicate]
...ing to prevent 'View Source' or anything silly like that, but I'm making some custom context menus for certain elements.
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How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
11 Answers
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Regex Named Groups in Java
...my understanding that the java.regex package does not have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does?
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How to view the list of compile errors in IntelliJ?
...telliJ, I recently converted to it from Eclipse, and I hope this is just something I am missing and not a fundamental deficiency.
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New Array from Index Range Swift
How can I do something like this? Take the first n elements from an array:
5 Answers
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Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
...ase as shown in Figure
The INFOPLIST_FILE build setting specifies the name of the Info.plist associated with your target. When building a target, Xcode reads this build setting and copies the referenced Info.plist into your application bundle. Because Xcode automatically processes the Info.plist,...
How to do a PUT request with curl?
How do I test a RESTful PUT (or DELETE) method using curl?
5 Answers
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