tuples Questions
6
Solved
Why does adding a trailing comma after an expression create a tuple with the expression's value? E.g. in this code:
>>> abc = 'mystring',
>>> print(abc)
('mystring',)
Why is the ...
12
Solved
In other languages like Python 2 and Python 3, you can define and assign values to a tuple variable, and retrieve their values like this:
tuple = ("Bob", 24)
name, age = tuple
print(name) #name ev...
Typecast asked 22/12, 2010 at 18:31
5
Solved
I was reading about tuple:
Once created, the values of a tuple cannot change.
If you want to assign multiple variables at once, you can use tuples:
name,age,country,career = ('Diana',32,'Can...
2
Solved
I have this problem:
I hav this code that is trying to count bigrams in a text file. An if statement checks wether the tuple is in a dictionary. If it is, the value (counter) is one-upped. If it do...
Shondrashone asked 20/9, 2020 at 18:46
3
Solved
I'm having trouble figuring out how to use optionals inside a tuple inside a switch. The below .Some(let ...) ... syntax works as non-tuple, but inside a tuple I get expected separator stuff :(
va...
Opus asked 27/6, 2014 at 19:6
3
Solved
It is clear that std::array<type,count> can't store references. However it is possible to write
std::tuple<int &, int &, int &, int &, int &>
and get what you...
Momentum asked 17/9, 2020 at 9:15
9
Solved
I am striving to convert a string to a tuple without splitting the characters of the string in the process. Can somebody suggest an easy method to do this. Need a one liner.
Fails
a = 'Quattro ...
Inch asked 8/5, 2013 at 20:0
3
Solved
I am trying to code a template function that uses an ADL resolved get to fetch members of a struct/range (tuple-esque).
#include <iostream>
#include <utility>
#include <tuple>
i...
Orsini asked 3/8, 2017 at 20:19
4
Solved
i have a tuple like this
[
(379146591, 'it', 55, 1, 1, 'NON ENTRARE', 'NonEntrate', 55, 1),
(4746004, 'it', 28, 2, 2, 'NON ENTRARE', 'NonEntrate', 26, 2),
(4746004, 'it', 28, 2, 2, 'TheBestTroll...
4
Solved
I'm compiling the following program using Microsoft Visual C++, as a C++20 program:
#include <iostream>
#include <tuple>
int main()
{
auto t1 = std::make_tuple("one", "...
Muckrake asked 3/9, 2020 at 13:12
1
I have a function that returns Pair:
fun createTuple(a: Int, b: Int): Pair<Int, Int> {
return Pair(a, b)
}
I want to initialize variables a and b using this function and then reassign them ...
7
Solved
In Python (I checked only with Python 3.6 but I believe it should hold for many of the previous versions as well):
(0, 0) == 0, 0 # results in a two element tuple: (False, 0)
0, 0 == (0, 0) # resu...
Suannesuarez asked 1/7, 2017 at 18:29
1
My model is designed to train dual images. Since the dataset is very huge I used tf.data.Dataset method to get them as batches as suggested here. However I had a difficulty at properly inputting a ...
Drabbet asked 31/8, 2020 at 10:29
1
Reading the changes in Typescript 4.0, I found the new feature:
Labeled Tuple Elements
I thought elements could either be indexed by numbers (like in tuples and lists) or by keys (like in dicts)....
Triplet asked 28/8, 2020 at 7:26
1
Solved
Consider I have a tuple of tuples:
type Example = [[3,5,7], [4,9], [0,1,10,9]];
I want to create an utility type Flatten<T> such that Flatten<Example> gives:
type FlatExample = Flatten...
Proverbial asked 24/8, 2020 at 19:59
4
Solved
Set is an unordered collection of unique elements. Almost similar to array.
I want to add/insert multiple elements in a Set of String. But there is only single method provided that can insert only...
Bicycle asked 15/2, 2018 at 18:38
9
Solved
What are good use-cases for using tuples in C++11? For example, I have a function that defines a local struct as follows:
template<typename T, typename CmpF, typename LessF>
void mwquicksort...
3
I have a list of tuples that I would like to convert to a dictionary. Each of the tuples in the list has four elements:
N = [('WA', 'OR', 'CA', 'HI'), ('MA', 'NY', 'PA', 'FL')]
How do I get a dicti...
Incisive asked 10/8, 2020 at 18:14
2
Solved
Looking at the new C# 7.0 ValueTuples, I am wondering if they will completely replace Anonymous Types. I understand that ValueTuples are structs and therefore behave a bit differently than Anonymou...
Gnawing asked 15/12, 2016 at 13:9
3
6
I am trying to implement a function (described below) that takes two lists (each or both may be infinite) and return a list of tuples of all the possible pairs of elements between the lists
zipInf...
8
Solved
What is the easiest way to compare the 2 lists/sets and output the differences? Are there any built in functions that will help me compare nested lists/sets?
Inputs:
First_list = [['Test.doc', '1...
11
Solved
I found that the following are all valid:
>>> d = {}
>>> d[None] = 'foo'
>>> d[(1, 3)] = 'baz'
Even a module can be used as a dict key:
>>> import sys
>>&...
Augmentative asked 31/8, 2011 at 13:28
10
Solved
g = [('Books', '10.000'),('Pen', '10'),('test', 'a')]
Here '10.000' and '10' are strings
How to convert to below format, string to float
Expected out
[('Books', 10.000),('Pen', 10),('test', 'a')]
...
6
Solved
[(1,2), (2,3), (4,5), (3,4), (6,7), (6,7), (3,8)]
How do I return the 2nd value from each tuple inside this list?
Desired output:
[2, 3, 5, 4, 7, 7, 8]
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