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 …

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, [:], 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 …

Sep 9, 2019 · to_list () is a method of Pandas dataframes that returns a list representation of the dataframe. Although both methods return the same output, their differences lie in their origins …

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 15, 2012 · List is an Interface, you cannot instantiate an Interface, because interface is a convention, what methods should have your classes. In order to instantiate, you need some …

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 …

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 …

Aug 13, 2011 · I would like to write a query on a sql 2008 that will report all the users that have access to a specific database, or objects within the database such as tables, views, and stored …

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.