tuples

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F# - Sort a matrix containing tuples

I do not find a way to sort the values included in the columns of the following matrix of tuples : Matrix<float * float> =[详细]

2023-04-02 15:27 分类：问答
python: create list of tuples from lists [duplicate]

This question already has answers here: Closed 11 years ago. I have two lists: x = [\'1\', \'2\', \'3\'][详细]

2023-04-02 08:57 分类：问答
Is it possible to declare mutable and immutable values/bindings simultaneously?

For example I want to declare let len, (*mutable*) i = if s.Length >= 2 && s.[0] = \'0\' && (s.[1] = \'x\' || s.[1] = \'X\') then[详细]

2023-04-02 04:48 分类：问答
Syntax error iterating over tuple in python

I am new to Python and am unsure of the best way to iterate over a tuple. The syntax for 开发者_StackOverflow中文版i in tuple[详细]

2023-04-02 03:35 分类：问答
Python If Condition with two conditions dependent on a tuple

I have only recently begun programming in Python (with previous Ruby experience). I am trying to set up an if condition with two conditions:[详细]

2023-04-02 01:10 分类：问答
Get all pairs in a list using LINQ

How do I get all possible pairs of items in a list (order not relevant)? E.g. if I have var list = { 1, 2, 3, 4 };[详细]

2023-03-31 22:23 分类：问答
Why can't I use a list as a dict key in python? Exactly what can and cannot be used, and why?

I found that the following are all valid: >>> d = {} >>> d[None] = \'foo\' >>> d[(1, 3)] = \'baz\'[详细]

2023-03-31 19:48 分类：问答
Efficient multiple, arbitrary index access in Python tuple?

I have a long Python tuple t.I would like to grab the elements at indices i1, i2, ..., iN from t as efficiently as possible.What\'s the best way?[详细]

2023-03-31 16:14 分类：问答
Concatenation of tuples

Normal text: I\'m having some problems with coding on python 3.2.1. Actually I\'m taking online lectures that 开发者_如何学编程are on python 2.5.[详细]

2023-03-31 06:08 分类：问答
Does Scala have syntax for 0- and 1-tuples?

scala> val two = (1,2) two: (Int, Int) = (1,2) scala> val one = (1,) <console>:1: error: illegal start of simple expression[详细]

2023-03-31 05:18 分类：问答