tuples Questions
4
Solved
I'm trying to add an extra parameter to a list of ef objects to track processing, but I keep running into having to initialize each list item explicitly. What's the correct linq way to do this? Asi...
Secor asked 6/9, 2013 at 18:22
7
Solved
How to define operator< on n-tuple (for example on 3-tuple) so that it satisfy strict weak ordering concept ? I know that boost library has tuple class with correctly defined operator< ...
Maxillary asked 11/6, 2009 at 7:22
11
I'm currently working on a map editor for a game in pygame, using tile maps.
The level is built up out of blocks in the following structure (though much larger):
level1 = (
(1,1,1,1,1,1)
(1,0,0,...
5
Solved
I have been trying out an open-sourced personal AI assistant script. The script works fine but I want to create an executable so that I can gift the executable to one of my friends. However, when I...
Middling asked 30/10, 2021 at 3:6
3
Solved
After trying to make a std::get<N>(std::tuple) method myself, I'm not so sure how it's implemented by compilers. I know std::tuple has a constructor like this:
tuple(Args&&... args);
...
10
Solved
I am not sure if I can make myself clear but will try.
I have a tuple in python which I go through as follows (see code below). While going through it, I maintain a counter (let's call it 'n') and...
6
Solved
I can do append value to a tuples
>>> x = (1,2,3,4,5)
>>> x += (8,9)
>>> x
(1, 2, 3, 4, 5, 8, 9)
But how can i append a tuples to a tuples
>>> x = ((1,...
13
Solved
I was studying the difference between lists and tuples (in Python). An obvious one is that tuples are immutable (the values cannot be changed after initial assignment), while lists are mutabl...
Agro asked 21/12, 2009 at 7:1
5
Solved
Why doesn't std::unordered_map<tuple<int, int>, string> just
work out of the box?
It is tedious to have to define a hash function for tuple<int, int>, e.g.
template<> str...
Saltworks asked 18/8, 2011 at 15:49
0
I have a simple Blazor component called TagComponent, that receives 4 parameters, my problem is with the OnTagSelected parameter, which receives a Callback to be called from the TagComponent.
Code ...
Augsburg asked 15/9, 2022 at 19:30
13
Solved
As we all know, there's list comprehension, like
[i for i in [1, 2, 3, 4]]
and there is dictionary comprehension, like
{i:j for i, j in {1: 'a', 2: 'b'}.items()}
but
(i for i in (1, 2, 3))
...
Inelegancy asked 5/6, 2013 at 12:44
4
Solved
I have a set of values and would like to create list of all subsets containing 2 elements.
For example, a source set ([1,2,3]) has the following 2-element subsets:
set([1,2]), set([1,3]), set([...
5
Solved
What is the difference between anonymous type and tuple?
Ram asked 10/4, 2010 at 15:11
4
I have a list like this:
A=[(1,'A'),(2,'H'),(3,'K'),(4,'J')]
Each member of this list is like this: (number, string)
Now if I want to select the members if the number is bigger than 2 and writ...
5
Solved
In python, if I have a tuple with many elements, is its hash calculated from its elements' ids or its elements' content?
In this example,
a = (1, [1,2])
hash(a)
It errors out saying list is un...
2
Solved
Some people said that there are 4 tuples in a connection
client IP address, client port number, server IP address, server port number
Some said that there are 5
client IP address, client port nu...
2
Solved
I have an object like so:
var obj = {
key1: "apple",
key2: true,
key3: 123,
.
.
.
key{n}: ...
}
So obj can contain any number of named keys, but the values must all be either string, bool...
Mcallister asked 5/7, 2016 at 22:35
3
Solved
Is there a way in C# to define a custom type which holds a tuple?
e.g.:
Type MyParams Tuple<string, string> ?
Motive: I have the following function in a parent class:
protected virtual IEnume...
15
I want to assign multiple variables in a single line in R. Is it possible to do something like this?
values # initialize some vector of values
(a, b) = values[c(2,4)] # assign a and b to values at...
Toritorie asked 22/9, 2011 at 18:44
9
Solved
I have the following Python list (can also be a tuple):
myList = ['foo', 'bar', 'baz', 'quux']
I can say
>>> myList[0:3]
['foo', 'bar', 'baz']
>>> myList[::2]
['foo', 'baz']
&...
4
Solved
For example, I want to check every elements in tuple (1, 2) are in tuple (1, 2, 3, 4, 5).
I don't think use loop is a good way to do it, I think it could be done in one line.
6
Solved
How does one filter duplicate types from a tuple?
For example:
using Tuple = std::tuple<int, double, int, double, std::string, std::string>
using FilteredTuple = without_duplicates<Tuple...
Pee asked 1/5, 2019 at 19:57
4
Solved
Just when I thought I was getting the hang of Python and Pandas, another seemingly simple issue crops up. I want to add tuples to specific cells of a pandas dataframe. These tuples need to be calcu...
1
In the following code snippet which from a TypeScript file, I have defined role to be of Tuple type, therefore only 2 values of specified type should be allowed in role array.
But I am able t...
Nonbeliever asked 7/6, 2022 at 9:23
3
Solved
Getting a type error, 'tuple' object is not callable. Any idea what it could be? (dont worry about the indentation. It copies in weird.) I'm trying to create choices based on PackSize of storeliquo...
Orazio asked 24/8, 2013 at 3:45
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