List of manufacturers of photovoltaic energy storage

What does [:-1] mean/do in python?

It gets all the elements from the list (or characters from a string) but the last element. : represents going through the list -1 implies the last element of the list
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...
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
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
How to list all available package versions with pip?

and return a list of versions. Note: it seems to provide compatible releases rather than all releases. To get full list, use json approach from Eric.
Find and join a group

This article is for finding public groups that end in googlegroups . To find groups in your work or school account, go to Get started with Groups: Find and join a group. You can join a group to ha
python

can we have list comprehension without a for loop and just if/else to put a single default value inside the list and later extend it if required? i.e. result = [ ''hello'' if x == 1 ].
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