Can somebody tell me why Dijkstra's algorithm for single source shortest path assumes that the edges must be non-negative. ...

I know the issue of circular imports in python has come up many times before and I have read these discussions. The comment that is made repeatedly in these discussions is that a circular import is a sign of a bad design and the code should be reorganised to avoid the circular import. ...

Does * have a special meaning in Python as it does in C? I saw a function like this in the Python Cookbook: 5 Answers ...

I was wondering what the simplest way is to convert a string list like the following to a list : 15 Answers ...

I came upon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies...

I don't understand what "lifting" is. Should I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words? ...

While there might be valid cases where such method overloadings could become ambiguous, why does the compiler disallow code which is neither ambiguous at compile time nor at run time? ...

I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers. 27...

Module A includes import B at its top. However under test conditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B . ...

I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this: ...