I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B. ...

... My apologies for the length of this post, but I decided to opt for completeness. Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest so...

What is the difference between = , == , and === ? 5 Answers 5 ...

For a person without a comp-sci background, what is a lambda in the world of Computer Science? 23 Answers ...

I was looking to be able to turn any UIColor into a gradient. The way I am intending to do this is by using Core Graphics to draw a gradient. What I am trying to do is to get a color, lets say: ...

... If order is not important and you don't need to worry about duplicates then you can use set intersection: >>> a = [1,2,3,4,5] >>> b = [1,3,5,6] >>> list(set(a) & set(b)) [1, 3, 5] ...

... From ISO14882:2011(e) 5.6-4: The binary / operator yields the quotient, and the binary % operator yields the remainder from the division of the first expression by the second. If the second operand of / or % is zero the behavior is undefined. For integ...

... Python 3.x has the nonlocal keyword. I think this does what you want, but I'm not sure if you are running python 2 or 3. The nonlocal statement causes the listed identifiers to refer to previously bound variables in the nearest enclosing scope. This is important because the default beha...

... a = [5, 1, 6, 14, 2, 8] b = [2, 6, 15] a - b => [5, 1, 14, 8] b - a => [15] (b - a).empty? => false share | improve this answer ...

A strict equality operator will tell you if two object types are equal. However, is there a way to tell if two objects are equal, much like the hash code value in Java? ...