nested-lists Questions
7
Solved
Is there a way to make nested lists in twitter bootstrap look like a normal list, with the nested items simply indented (and have it work for an arbitrarily deep nesting)? By default, nested lists ...
Mediocre asked 15/3, 2015 at 16:39
8
Solved
I've been tinkering in python this week and I got stuck on something.
If I had a 2D list like this:
myList = [[1,2],[3,4],[5,6]]
and I did this
>>>myList.index([3,4])
it would retur...
Popovich asked 25/4, 2011 at 5:5
6
Solved
I need to access the first element of a list. The problem is that the lists vary in the way how deep they are nested. Here is an example:
list1 <- list(ts(1:100),
list(1:19,
factor(letters)))
...
Macaluso asked 2/2, 2022 at 14:10
4
Imagine you have a simple matrix class
template <typename T = double>
class Matrix {
T* data;
size_t row, col;
public:
Matrix(size_t m, size_t n) : row(m), col(n), data(new T[m*n]) {}
...
Fazeli asked 4/4, 2013 at 11:44
4
Solved
Is there a "built-in"/efficient and robust way to check if list objects are nested or not?
To clarify my understanding of the term nested:
Flat or not-nested list
x.1 <- list(
a=TRUE,
b=1:...
Firstly asked 13/3, 2013 at 10:4
10
Solved
I have to take input from the user in the following format and make a nested list from it. The first line is the number of rows.
3
Sourav Das 24 M
Titan Das 23 M
Gagan Das 22 F
The nested l...
Composite asked 7/11, 2014 at 15:4
1
Solved
The docs say that fmt
Returns a string where each element in the list has been formatted according to $format [the first argument] and where each element is separated by $separator [the second arg...
Chiromancy asked 10/9, 2021 at 19:55
9
Solved
A = [[1, 2, 3], [2, 3, 4], [4, 5, 6]]
I am trying my best to print A of the form:
1 2 3
2 3 4
4 5 6
That is in different lines, but I am unable to do so without all the elements in different li...
Aphonia asked 29/5, 2015 at 5:45
2
Solved
Inputs
I have a very complicated list of list.
total_aug_rule_path_list =
[[[[['#1_0_0', '#2_0_0', '#3_0_0'], ['#1_0_1', '#2_0_1', '#3_0_1']],
[['#1_0_0', '#2_0_0', '#3_0_0'], ['#1_0_1', '#2_0_1'...
Immix asked 27/5, 2021 at 12:25
4
Solved
beginner to python here.
I have 2 nested lists that I want to merge:
list1 = ['a',
(b, c),
(d, e),
(f, g, h) ]
list2 = [(p,q),
(r, s),
(t),
(u, v, w) ]
the output I am looking for is:
...
Slaver asked 18/10, 2011 at 11:30
5
Solved
Let's imagine we have:
test = [['word.II', 123, 234],
['word.IV', 321, 123],
['word.XX', 345, 345],
['word.XIV', 345, 432]
]
How can I split the first element in the test so that the result wo...
Keller asked 16/1, 2021 at 17:12
5
Solved
I'm trying to see my markdown nested list items rendered with corresponding indentation when viewed in a browser live from the Bitbucket pages. But I can't figure out how it works even when using t...
Milburn asked 1/6, 2016 at 18:10
2
Solved
Say I have some list of lists [[a, b], [c], [d, e, f], ...] where the lists in the list can be any length. I've sorted the list such that the shortest lists come first, and I want to generate a lis...
Larimor asked 18/11, 2020 at 17:38
6
Solved
How can I create a nested list of categories in Laravel?
I want to create something like this:
--- Php
------ Laravel
--------- Version
------------ V 5.7
--- Python
------ Django
--- Ruby
........
Altheta asked 15/5, 2017 at 22:24
4
Solved
I have a nested list that contains country names.
I want to count the frequency of the countries, whereby +1 is added with each mention in a sub-list (regardless of how often the country is mention...
Dowager asked 27/10, 2020 at 8:42
5
Solved
I have a deeply nested list I would like to convert to a data frame.
Here's what the structure looks like:
ls <- list('10' = list('123' = list('0.1' = list(Gmax.val = rnorm(1),
G2.val = rnorm(1...
Maladminister asked 15/9, 2020 at 5:16
4
Solved
I need help with converting a nested list of dictionaries with a nested list of dictionaries inside of it to a dataframe. At the end, I want something that looks like (the dots are for other column...
Leede asked 8/9, 2020 at 15:19
3
Solved
I'm trying to map following source classes to target class using MapStruct.
Target Classes :
public class Response {
private List<Customer> customer = new ArrayList<Customer>();
}
pub...
Chiaki asked 26/7, 2020 at 16:51
1
Solved
The aim is to convert a dataframe with a list column as the data column (and thus with just one timestamp and duration per row) into a time series in long format with a datetimeindex for each singl...
Sturgill asked 4/8, 2020 at 12:30
3
Solved
Given an arbitrarily nested list, how can I find if a list contains empty lists? Consider the following example:
mylist <- list(list("foo", "bar", "baz", list(list())))
I tried rapply, but tha...
Ciaracibber asked 7/7, 2016 at 14:22
2
Solved
Problem
I would suppose that this should be a common problem, yet I couldn't find a solution for it:
Let's assume a deeply nested list, such as:
my_list <- list(
"first_node" = list(
"group...
Houdon asked 15/10, 2019 at 17:53
3
I have been using the Geocoding API from Google to geocode address lists. It returns results in nested lists. The elements in the lists might vary, and sometimes there are partial matches, resultin...
Villenage asked 27/5, 2020 at 0:7
8
Solved
How do I sum duplicate elements in a list of lists of dictionaries?
Sample list:
data = [
[
{'user': 1, 'rating': 0},
{'user': 2, 'rating': 10},
{'user': 1, 'rating': 20},
{'user': 3, 'ratin...
Roister asked 30/5, 2020 at 12:43
7
Solved
I have a list assigned to the variable my_list. The value of my_list is [[1,2,3],[3,5,[2,3]], [[3,2],[5,[4]]]]. I need to find the length of my_list, but len(my_list) only returns 3. I want it to r...
Beutler asked 4/1, 2015 at 1:29
5
Solved
I am trying to copy the nested list a, but do not know how to do it without using the copy.deepcopy function.
a = [[1, 2], [3, 4]]
I used:
b = a[:]
and
b = a[:][:]
But they all turn out to...
Guarneri asked 21/10, 2011 at 5:1
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