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How to filter None's out of List[Option]?

If I have a List[Option[A]] in Scala, what is the idiomatic way to filter out the None values? 3 Answers ...
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How to initialize all members of an array to the same value in Swift?

... in Swift. I want to initialize all members to the same value (i.e. it could be zero or some other value). What would be the best approach? ...
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How can I create a copy of an object in Python?

I would like to create a copy of an object. I want the new object to possess all properties of the old object (values of the fields). But I want to have independent objects. So, if I change values of the fields of the new object, the old object should not be affected by that. ...
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Group by & count function in sqlalchemy

I want a "group by and count" command in sqlalchemy. How can I do this? 3 Answers 3 ...
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How to escape % in String.Format?

I am storing a SQL query in my strings.xml file and I want to use String.Format to build the final string in code. The SELECT statement uses a like, something like this: ...
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What is the meaning of git reset --hard origin/master?

I did a git pull and got an error: 2 Answers 2 ...
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How to get the absolute coordinates of a view

I'm trying to get the absolute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this? ...
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Register Application class in Manifest?

...te of my application. But I'm unable to register it in Manifest file? Any idea how to do this? 3 Answers ...
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Overload constructor for Scala's Case Classes?

In Scala 2.8 is there a way to overload constructors of a case class? 2 Answers 2 ...
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Difference between window.location.assign() and window.location.replace()

What is the difference between window.location.assign() and window.location.replace() , when both redirect to a new page? ...