|
- 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 like it's a little faster the first way Try it yourself with timeit timeit () or preferably timeit repeat ()
- 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 - if else in a list comprehension - Stack Overflow
Since a list comprehension creates a list, it shouldn't be used if creating a list is not the goal; it shouldn't be used simply to write a one-line for-loop; so refrain from writing [print(x) for x in range(5)] for example
- c# - define a List like List lt;int,string gt;? - Stack Overflow
I need a two column list like: List<int,string> mylist= new List<int,string> (); it says using the generic type System collection generic List<T> requires 1 type arguments
- 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 Also, don't use list as a name since it shadows the built-in
- Get unique values from a list in python - Stack Overflow
But that's what we want in order to get the unique elements from a list with duplicates, we want to append them into a new list only when we they came across for a fist time So we really want to evaluate used append(x) only when x is not in used, maybe if there is a way to turn this None value into a truthy one we will be fine, right?
- python - Removing duplicates in lists - Stack Overflow
How can I check if a list has any duplicates and return a new list without duplicates?
- pandas dataframe index: to_list () vs tolist () - Stack Overflow
Note that the question was about pandas tolist vs to_list pandas DataFrame values returns a numpy array and numpy indeed has only tolist Indeed, if you read the discussion about the issue linked in the accepted answer, numpy's tolink is the reason why pandas used tolink and why they did not deprecate it after introducing to_list
|
|
|