list-comprehension

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Arbitrary Amount of Tuple Unpacking With Common Date

Input datas2 = [[(\"01/01/2011\", 1), (\"02/02/2011\", \"No\"), (\"03/03/2011\", 11)], [(\"01/01/2011\", 2), (\"03/03/2011\", 22), (\"22/22/2222\", \"no\")],[详细]

2023-04-10 12:35 分类：问答
Closures and list comprehensions in Haskell

I\'m playing around with Haskell at the moment and thus stumbled upon the list comprehension feature.[详细]

2023-04-10 09:19 分类：问答
Filtering list of tuples based on the availability of a member in a list

I want to filter a list of tuples like [(1,22,1),(5,1,8),(8,3,4),(7,5,6)] using a list like [1,7] which would eventually give me the result [(1,22,1),(5,1,8),(7开发者_如何转开发,5,6)]; since (8,3,4) d[详细]

2023-04-09 03:42 分类：问答
Haskell list comprehension to map

I am new to hask开发者_如何学Goell . I was wondering If I can do the following thing using just map and concat ?[详细]

2023-04-06 20:37 分类：问答
Fastest way to get the last element of a list in Haskell

What is the fastest way to get the last element of a list in Haskell. Also in next iterati开发者_JAVA百科on, I want to remove first and last element of the list. What is the most elegant way to do it?[详细]

2023-04-04 14:22 分类：问答
Weird behavior: Lambda inside list comprehension [duplicate]

This question already has answers here: Creating functions (or lambdas) in a loop (or comprehension) (6 answers)[详细]

2023-04-04 01:53 分类：问答
Why does the Python Tutorial say that list comprehensions are more flexible than map()?

In the Python Tutorial, it says: Why?I don\'t see how comprehensions are \"more flexible\".It seems to me to be only a differen开发者_如何学Pythonce in syntax.I can easily do:[详细]

2023-04-04 00:47 分类：问答
How can I call a method on each element of a List?

Suppose that I have a list of cars : public class Car { private String brand; private String name; private String color;[详细]

2023-03-31 13:30 分类：问答
Alternative to list comprehension if there will be only one result

I\'m starting to get used to list comprehension in Python but I\'m afraid I\'m using it somewhat improperly.I\'ve run into a scenario a few times where I\'m using list comprehension but immediately ta[详细]

2023-03-27 14:20 分类：问答
Haskell: List comprehension of Glade entries

I want to make an entries :: Map(String -> Entry) so I can easily access each entry by name.To this end, I have the code[详细]

2023-03-26 22:03 分类：问答