Meaning of list[-1] in Python
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...
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What is the difference between list and list [1:] in Python?
By using a : colon in the list index, you are asking for a slice, which is always another list. In Python you can assign values to both an individual item in a list, and to a slice of the list.
Quick way to create a list of values in C#?
I''m looking for a quick way to create a list of values in C#. In Java I frequently use the snippet below:
What is the difference between list and list [:] in python?
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 in the list.
Python: list of lists
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
Difference between List, List<?>, List<T>, List<E>, and List<Object>
The notation List<?> means "a list of something (but I''m not saying what)". Since the code in test works for any kind of object in the list, this works as a formal method parameter. Using a type parameter
Command to list all files in a folder as well as sub-folders in windows
I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command. I have read the help for "dir" command but coudn''t