Meaning of list[-1] in Python - Stack Overflow
Sep 19, 2018 · 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 …
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 …
c# - ObservableCollection<> vs. List<> - Stack Overflow
List represents a strongly typed list of objects that can be accessed by index. It provides methods to search, sort, and manipulate lists. The List class is the generic equivalent of the ArrayList …
How do I find out which process is listening on a TCP or UDP port …
The number, which is shown at the last column of the list, is the PID (process ID) of that application. Make note of this. Type tasklist | findstr '[PID]' Replace the [PID] with the number …
What is the difference between list and list [:] in python?
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 …
pandas dataframe index: to_list () vs tolist () - Stack Overflow
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 …
Most efficient way to find if a value exists within a C# List
Apr 17, 2013 · 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 …
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 …
How to list all installed packages and their versions in Python?
Jul 8, 2018 · Is there a way in Python to list all installed packages and their versions? I know I can go inside python/Lib/site-packages and see what files and directories exist, but I find this very …
git config - How to know the git username and email saved during ...
How to view all settings? Run git config --list, showing system, global, and (if inside a repository) local configs Run git config --list --show-origin, also shows the origin file of each config item …