|
- Whats the difference between [] and {} vs list() and dict()?
I understand that they are both essentially the same thing But in terms of creating an empty list or dict, are there any differences?
- C# The type or namespace name `List could not be found. But Im . . .
That is, there is no type List but there is a generic type List<T> More information and examples of instantiating the generic List<T> can be found in the MSDN documentation
- 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
- python - What does list [x::y] do? - Stack Overflow
Leaving any blank puts them at a default value, in your case it is taking every y elements starting at x and going until the end of the list See: What is :: (double colon) in Python when subscripting sequences?
- What is the difference between List. of and Arrays. asList?
Let summarize the differences between List of and Arrays asList List of can be best used when data set is less and unchanged, while Arrays asList can be used best in case of large and dynamic data set
- python - Regular Expressions: Search in list - Stack Overflow
I want to filter strings in a list based on a regular expression Is there something better than [x for x in list if r match(x)] ?
- 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?
|
|
|