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Cleaner way to update nested structures
Say I have got following two case class es:
7 Answers
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Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
15 Answers
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How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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How to check whether a variable is a class or not?
I was wondering how to check whether a variable is a class (not an instance!) or not.
9 Answers
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How to reload the current state?
I'm using Angular UI Router and would like to reload the current state and refresh all data / re-run the controllers for the current state and it's parent.
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Why are there two ways to unstage a file in Git?
Sometimes git suggests git rm --cached to unstage a file, sometimes git reset HEAD file . When should I use which?
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Getting hold of the outer class object from the inner class object
I have the following code. I want to get hold of the outer class object using which I created the inner class object inner . How can I do it?
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Is there any way to call a function periodically in JavaScript?
Is there any way to call a function periodically in JavaScript?
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What's the best practice for primary keys in tables?
When designing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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What does a tilde do when it precedes an expression?
I saw it in an answer, and I've never seen it before.
5 Answers
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