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What is the difference between LL and LR parsing?

Can anyone give me a simple example of LL parsing versus LR parsing? 5 Answers 5 ...
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Good examples of Not a Functor/Functor/Applicative/Monad?

While explaining to someone what a type class X is I struggle to find good examples of data structures which are exactly X. ...
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How can I get a view's current width and height when using autolayout constraints?

I'm not talking about the frame property, because from that you can only get the view's size in the xib. I'm talking about when the view is resized because of its constraints (maybe after a rotation, or in response to an event). Is there a way to get its current width and height? ...
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Can I have an IF block in DOS batch file?

In a DOS batch file we can only have 1 line if statement body? I think I found somewhere that I could use () for an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code: ...
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Why not inherit from List?

When planning out my programs, I often start with a chain of thought like so: 27 Answers ...
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How to create a memory leak in Java?

I just had an interview, and I was asked to create a memory leak with Java. Needless to say, I felt pretty dumb having no clue on how to even start creating one. ...
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Java: notify() vs. notifyAll() all over again

If one Googles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() . ...
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Why covariance and contravariance do not support value type

IEnumerable<T> is co-variant but it does not support value type, just only reference type. The below simple code is compiled successfully: ...
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Why / when would it be appropriate to override ToString?

I'm studying C# and I wonder what the point and benefit of overriding ToString might be, as shown in the example below. 1...
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Common programming mistakes for Clojure developers to avoid [closed]

What are some common mistakes made by Clojure developers, and how can we avoid them? 8 Answers ...