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What are the basic rules and idioms for operator overloading?
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Common operators to overload
Most of the work in overloading operators is boiler-plate code. That is little wonder, since operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code ...
How to access the correct `this` inside a callback?
I have a constructor function which registers an event handler:
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How to determine if a decimal/double is an integer?
How do I tell if a decimal or double value is an integer?
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Why do we need a pure virtual destructor in C++?
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Probably the real reason that pure virtual destructors are allowed is that to prohibit them would mean adding another rule to the language and there's no need for this rule since no ill-effects can come from allowing a pure virtual destructor.
Nope, plain old virtual is enough.
If you cre...
Are the shift operators () arithmetic or logical in C?
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edited Oct 9 '16 at 17:43
Bulat M.
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What is Scala's yield?
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It is used in sequence comprehensions (like Python's list-comprehensions and generators, where you may use yield too).
It is applied in combination with for and writes a new element into the resulting sequence.
Simple example ...
Returning a C string from a function
...am trying to return a C string from a function, but it's not working. Here is my code.
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Check if the number is integer
I was surprised to learn that R doesn't come with a handy function to check if the number is integer.
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Java inner class and static nested class
What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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