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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

For example I have two dicts: 17 Answers 17 ...
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Does delete on a pointer to a subclass call the base class destructor?

I have an class A which uses a heap memory allocation for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B . ...
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How to merge dictionaries of dictionaries?

I need to merge multiple dictionaries, here's what I have for instance: 29 Answers 29 ...
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Python, compute list difference

In Python, what is the best way to compute the difference between two lists? 14 Answers ...
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Least common multiple for 3 or more numbers

How do you calculate the least common multiple of multiple numbers? 31 Answers 31 ...
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Code for Greatest Common Divisor in Python [closed]

The greatest common divisor (GCD) of a and b is the largest number that divides both of them with no remainder. 20 Answers ...
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How do I extract a sub-hash from a hash?

I have a hash: 16 Answers 16 ...
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How to swap two variables in JavaScript

I have this two variables: 27 Answers 27 ...
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Using jQuery to compare two arrays of Javascript objects

I have two arrays of JavaScript Objects that I'd like to compare to see if they are the same. The objects may not (and most likely will not) be in the same order in each array. Each array shouldn't have any more than 10 objects. I thought jQuery might have an elegant solution to this problem, but I ...
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Functions that return a function

I'm stuck with this concept of 'Functions that return functions'. I'm referring the book 'Object Oriented Javascript' by Stoyan Stefanov. ...