Nov 2, 2010 · When reading, list is a reference to the original list, and list[:] shallow-copies the list. When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously …

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 …

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 …

Jul 19, 2014 · 67 If I have a list of lists and just want to manipulate an individual item in that list, how would I go about doing that? For example: List1 = [[10,13,17],[3,5,1],[13,11,12]] What if I …

Given a dataframe, I want to groupby the first column and get second column as lists in rows, so that a dataframe like: a b A 1 A 2 B 5 B 5 B 4 C 6 becomes A [1,2] B [5,5,4] C [6] How do I do …

Jan 12, 2009 · A List uses an internal array to handle its data, and automatically resizes the array when adding more elements to the List than its current capacity, which makes it more easy to …

Oct 7, 2025 · To ensure a consistent and high-quality experience, Google individually certifies and maintains a list of models that you can use with ChromeOS Flex. Model status Certified …

Nov 29, 2016 · You can't directly cast List to List because Java generics are invariant. This means that List is not the same as List, even though Customer is a subtype of Object.

I need a two column list like: List<int,string> mylist= new List<int,string> (); it says using the generic type System.collection.generic.List<T> requires 1 type arguments.

List Again we can add values like we do in an Array List<int> list = new List<int>(); list.Add(6); List.Add(8); I know that in a List you can have the generic type so you can pass in any type …