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Providing a default value for an Optional in Swift?
The idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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Where does Scala look for implicits?
An implicit question to newcomers to Scala seems to be: where does the compiler look for implicits? I mean implicit because the question never seems to get fully formed, as if there weren't words for it. :-) For example, where do the values for integral below come from?
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How can I turn a List of Lists into a List in Java 8?
If I have a List<List<Object>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8?
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Creating an empty list in Python
What is the best way to create a new empty list in Python?
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Remove duplicates from an array of objects in JavaScript
I have an object that contains an array of objects.
59 Answers
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How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
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How to replace list item in best way
I have replaced like above. Is there any other bestway to place compare than this one?
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How to check if all list items have the same value and return it, or return an “otherValue” if they
If all the items in a list have the same value, then I need to use that value, otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
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Logical XOR operator in C++?
Is there such a thing? It is the first time I encountered a practical need for it, but I don't see one listed in Stroustrup . I intend to write:
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How to convert IEnumerable to ObservableCollection?
How to convert IEnumerable to ObservableCollection ?
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