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Calling virtual functions inside constructors
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If the calling still uses the vptr(since the vptr is set to the current level as you metioned too) way or just statically calls the version of the current level.
– BAKE ZQ
Aug 14 at 15:01
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Check synchronously if file/directory exists in Node.js
How can I synchronously check, using node.js , if a file or directory exists?
15 Answers
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How can I remove the string “\n” from within a Ruby string?
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How can I archive git branches?
...ment. I would like to archive the branches so that they don't show up by default when running git branch -l -r . I don't want to delete them, because I want to keep the history. How can I do this?
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What is a sealed trait?
...l of its subclasses are declared within the
same file and that makes the set of subclasses finite which allows
certain compiler checks.
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How to make gradient background in android
...or="#f6ee19"
android:endColor="#115ede" />
</shape>
You set it to the background of some view. For example:
<View
android:layout_width="200dp"
android:layout_height="100dp"
android:background="@drawable/my_gradient_drawable"/>
type="linear"
Set the angle for ...
RGB to hex and hex to RGB
How to convert colors in RGB format to hex format and vice versa?
50 Answers
50
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F12 no longer works in Visual Studio
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Just "Reset" the settings here.
– Dhanuka777
Mar 9 '17 at 2:57
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What is an “unwrapped value” in Swift?
...at the second two cases will give you a runtime error if optionalSquare is set to nil. Using the syntax in the first case, you can do something like this:
if let sideLength = optionalSquare?.sideLength {
println("sideLength is not nil")
} else {
println("sidelength is nil")
}
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lexers vs parsers
...structure is essential.
The fact that tokens are identified with a regular set based lexer
does not change the situation, because CF composed with regular still
gives CF (I am speaking very loosely about regular transducers, that
transform a stream of characters into a stream of token).
However, CF...