|
- Meaning of list[-1] in Python - Stack Overflow
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
- 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 actual list type constructor to create a new list which has contents equal to the first list
- Get list from pandas dataframe column or row? - Stack Overflow
C 7 1 2014 22000 18000 N C 8 1 2014 30000 28960 N C 9 1 2014 53000 51200 N I want to be able to return the contents of column 1 df['cluster'] as a list, so I can run a for-loop over it, and create an Excel worksheet for every cluster Is it also possible to return the contents of a whole column or row to a list? e g
- Array versus List lt;T gt;: When to use which? - Stack Overflow
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 use than an array, where you need to know the capacity beforehand
- What is the difference between List. of and Arrays. asList?
@Sandy Chapman: List of does return some ImmutableList type, its actual name is just a non-public implementation detail If it was public and someone cast it to List again, where was the difference? Where is the difference to Arrays asList, which returns a non-public List implementation, that throws an exception when attempting add or remove, or the list returned by Collections
- How to cast List lt;Object gt; to List lt;MyClass gt; - Stack Overflow
(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 your code; you should be able to tweak your type declarations to avoid it But Java generics is too complicated, and it is not perfect Sometimes you just don't know if there is a pretty solution to satisfy the compiler
- . net - Creating a List of Lists in C# - Stack Overflow
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
- Checking if any elements in one list are in another [duplicate]
The second action taken was to revert the accepted answer to its state before it was partway modified to address "determine if all elements in one list are in a second list"
|
|
|