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 = …

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 …

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 …

Learn how to properly create nested HTML lists with examples and best practices, as discussed on Stack Overflow.

May 30, 2013 · For example list and start of containers are now subcommands of docker container and history is a subcommand of docker image. These changes let us clean up the …

List comprehensions took 25.2 seconds and itemgetter took 28.8 seconds. I personally find itemgetter useful in some contexts where performance isn't as important but where it happens …

Stephane: Let me rephrase it: if x in list is not the thing that people complain not being a built-in function. They complain about the fact that there is not explicit way to find the first occurrence …

Nov 29, 2016 · (List<Customer>)(Object)list; you must be sure that at runtime the list contains nothing but Customer objects. Critics say that such casting indicates something wrong with …

Feb 25, 2015 · 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.

Don't use quotes on the command line 1 Don't use type=list, as it will return a list of lists This happens because under the hood argparse uses the value of type to coerce each individual …