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- Meaning of list[-1] in Python - Stack Overflow
I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte
- slice - How slicing in Python works - Stack Overflow
The first way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings Other than that I think the only difference is speed: it looks like it's a little faster the first way Try it yourself with timeit timeit () or preferably timeit repeat ()
- Python: list of lists - Stack Overflow
The first, [:], is creating a slice (normally often used for getting just part of a list), which happens to contain the entire list, and thus is effectively a copy of the list The second, list(), is using the actual list type constructor to create a new list which has contents equal to the first list
- C# The type or namespace name `List could not be found. But Im . . .
That is, there is no type List but there is a generic type List<T> More information and examples of instantiating the generic List<T> can be found in the MSDN documentation
- What is the difference between List. of and Arrays. asList?
@Sandy Chapman: List of does return some ImmutableList type, its actual name is just a non-public implementation detail If it was public and someone cast it to List again, where was the difference? Where is the difference to Arrays asList, which returns a non-public List implementation, that throws an exception when attempting add or remove, or the list returned by Collections
- How do I make a flat list out of a list of lists? - Stack Overflow
If your list of lists comes from a nested list comprehension, the problem can be solved more simply directly by fixing the comprehension; please see How can I get a flat result from a list comprehension instead of a nested list? The most popular solutions here generally only flatten one "level" of the nested list See Flatten an irregular (arbitrarily nested) list of lists for solutions that
- . net - Creating a List of Lists in C# - Stack Overflow
A list of lists would essentially represent a tree structure, where each branch would constitute the same type as its parent, and its leaf nodes would represent values
- Most efficient way to find if a value exists within a C# List
In C# if I have a List of type bool What is the fastest way to determine if the list contains a true value? I don’t need to know how many or where the true value is I just need to know if one e
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