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How to model type-safe enum types?
Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants?
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How can I default a parameter to Guid.Empty in C#?
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What exactly is metaprogramming?
I was reading an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly).
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How can I get current date in Android?
I wrote the following code
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How to get filename without extension from file path in Ruby
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Why should I not wrap every block in “try”-“catch”?
I have always been of the belief that if a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
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Why does Javascript's regex.exec() not always return the same value? [duplicate]
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Can we write our own iterator in Java?
If I have a list containing [alice, bob, abigail, charlie] and I want to write an iterator such that it iterates over elements that begin with 'a', can I write my own ? How can I do that ?
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C# Passing Function as Argument [duplicate]
I've written a function in C# that does a numerical differentiation. It looks like this:
3 Answers
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What is the point of interfaces in PHP?
Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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