I am currently reading up on Ruby. I think it is a nice language, but I am a bit bothered by having so many equivalent ways, that are only slightly different in syntax, for coding the same action. For
I have noticed that using either Oracle or SQLite, queries like this are perfectly valid SELECT*FROM(SELECT a,MAX(b)i FROM c GROUP BY a)WHERE(a=1)OR(i=2);
Both exist for example here: Map.empty[Int, Int] Map(1 -> 41).empty Set().empty Set.empty But here only the class methods are existing:
A silly, syntactical question: If the assignment operator is really a function, like def value=(x) @value = x
In native C++ it often makes sense to return an object as a constant reference. Consider class A supplying read-only-access to an instance of class B:
I know from this question that extension methods can only operate on class instances, not the static class itself.This means I can\'t extend useful static classes like Convert and Math.
In JavaScript, this must always be stated explici开发者_开发百科tly when accessing its properties. For example:
This question came to mind after reading the answer to this question; which basically made the point that List<T> has no virtual methods, since i开发者_高级运维t was designed to be \"fast, not e
Howcome some languages like PHP and Python use dynamic name resolution? The only time I\'ve ever thought of using it is to do something like this Python code, to save me from having to explicitly par
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