56
votes
6
answers
2.1K
views
Convert string[] to int[] in one line of code using LINQ
I have an array of integers in string form: var arr = new string[] { "1", "2", "3", "4" }; I need to an arr
49
votes
10
answers
1.2K
views
Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension
55
votes
8
answers
2.6K
views
How to normalize a NumPy array to within a certain range?
After doing some processing on an audio or image array, it needs to be normalized within a range before it can
62
votes
21
answers
2.6K
views
Why is there no ForEach extension method on IEnumerable?
Inspired by another question asking about the missing Zip function: Why is there no ForEach extension method o
58
votes
25
answers
2.9K
views
What is the difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
60
votes
30
answers
2.3K
views
Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod?
66
votes
25
answers
567
views
Does Java support default parameter values?
I came across some Java code that had the following structure: public MyParameterizedFunction(String param1,
52
votes
30
answers
2.2K
views
Is Java "pass-by-reference" or "pass-by-value"?
I always thought Java uses pass-by-reference. However, I've seen a blog post that claims that Java uses p
