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

... 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?

...ve a large array 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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What does Html.HiddenFor do?

Although I have read the documentation on Html.HiddenFor, I've not grasped what is it used for... 4 Answers ...
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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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Syntax Error: Not a Chance

I tried executed the following code in the python IDLE 2 Answers 2 ...
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Register Application class in Manifest?

I have one Application class to keep the global state of my application. But I'm unable to register it in Manifest file? Any idea how to do this? ...
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Drop multiple tables in one shot in mysql

How to drop multiple tables from one single database at one command. something like, 4 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 ...