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What is the difference between Class Path and Build Path
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100
The build path is used for building your application. It contains all of your source files and ...
What is the difference between named and positional parameters in Dart?
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290
Dart has two types of optional parameters: named and positional. Before I discuss the difference...
Change color of PNG image via CSS?
... and filter:
Filters are relatively new to browsers but supported in over 90% of browsers according to the following CanIUse table: https://caniuse.com/#feat=css-filters
You can change an image to grayscale, sepia and lot more (look at the example).
So you can now change the color of a PNG file w...
Git: what is a dangling commit/blob and where do they come from?
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100
During the course of working with your git repository, you may end up backing out of operations...
Declaration/definition of variables locations in ObjectiveC?
...properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these var...
Obtaining a powerset of a set in Java
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101
Yes, it is O(2^n) indeed, since you need to generate, well, 2^n possible combinations. Here's a...
Is it possible to have nested templates in Go using the standard library?
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Sergei Basharov
40.2k5353 gold badges164164 silver badges279279 bronze badges
answered Jul 13 '12 at 9:53
tux21btux21b...
What's the difference between std::move and std::forward
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160
std::move takes an object and allows you to treat it as a temporary (an rvalue). Although it isn...
What's the point of map in Haskell, when there is fmap?
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Matthias Braun
22.1k1616 gold badges104104 silver badges138138 bronze badges
answered Jul 26 '11 at 9:12
luquiluqui
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How do I declare an array of weak references in Swift?
...AnyObject> {
mutating func reap () {
self = self.filter { nil != $0.value }
}
}
The use of AnyObject above should be replaced with T - but I don't think the current Swift language allows an extension defined as such.
...