Questions tagged [nested-loops]
A logical structure used in computer programming where two or more repeating statements are placed in a "nested" form (i.e., one loop is situated within the body of another). The inner loop is repeated in full on every pass through the outer loop.
nested-loops
4,945
questions
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How to Convert Nested for Loops with Multiple Internal Loops into map() Function? [closed]
I was trying to speed up some nested for loops with multiple internal loops in python 3.11:
for item1 in iterable1:
for item2 in interable2:
if condition == true:
expression1
...
0
votes
0
answers
17
views
Difference in Output Between Two Similar C++ Codes with Nested Loops and transform
I'm experiencing a strange issue with two similar pieces of C++ code that are supposed to perform the same task but yield different results.
The problem is around the inner loop statement .
While ...
- 1
-1
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0
answers
29
views
How do I loop through all possible attachment configurations of items with attachment sites?
I have a collection of items for which I need to loop through combinations. Each item has two types of sites: A sites and B sites. Different items can have different numbers of A and B sites.
I am ...
- 99
3
votes
1
answer
71
views
Remove In Nested Loops (Remove Inside Foreach) [closed]
These are my entities:
public class Permissions
{
public string PermissionName { get; set; }
public List<Controllers> controllers { get; set; }
}
public class Controllers
{
public ...
- 86
-3
votes
1
answer
79
views
How to Display All Repetitive Digits from a String ? in vb.Net
String = 24-06-1966
repetitive Nos to be displayed 6, 6, 6
Non-Repetitive Nos to be displayed 2, 4, 1, 9
Hello
If someone can help me to get or displayed Repetitive digits from Numeric String
...
- 11
-1
votes
3
answers
113
views
Getting random symbols after trying to replace chars in C++
I'm trying to replace every letter in string to next letter (a -> b, c -> d, etc.).
I get random symbols or XXXX after compiling and running the program.
#include <iostream>
#include <...
- 29
0
votes
1
answer
136
views
Use vectorised functions instead of the loops
My function is such that it takes the minimum over the range of dataframe which keeps increasing in length and maximum over the dataframe which reduces in length with each iteration.
The dataframe ...
- 175
1
vote
1
answer
53
views
Store result from nested for loop with two factor variables
I'd like to generate some simple calculations for each combination of two factor variables and store the results in a data frame. Here are the data:
df <- data.frame(SPECIES = as.factor(c(rep("...
- 13
0
votes
4
answers
115
views
Why does this code write the answers more than once instead of just once?
I've just made a C program about finding perfect numbers. It is kinda working, but it writes out the answers more than once(and it writes 24 as well for some reason).
I have very basic C knowledge, I ...
0
votes
0
answers
12
views
Can't access object in nested loop (JS and three.js) [duplicate]
I have a question about JavaScript and Threejs.
I made an object title_and_coord that stores sentences and their Vector3 coordinates (for wherever each sentence appears in my scene). I am trying to ...
1
vote
2
answers
63
views
C language pattern with unexpected result
I am trying to create a program in C to draw this pattern :
1 1 2 1 3 1
1 2 2 2 3 2
1 3 2 3 3 3
1 4 2 4 3 4
1 5 2 5 3 5
I checked the answer from solutions.
#include <stdio.h>
int main ()
{
...
- 35
0
votes
1
answer
56
views
Parallel processing for nested loops isn't working correctly in R
I'm trying to run a nested loop using the parallel() and foreach() packages to increase speed, but I'm not having success.
I have a dataframe where the first column is a categorical data and the ...
1
vote
1
answer
63
views
VBA nested if-do-while to sum values
What I'm attempting to do:
Loop through 2 worksheets (same workbook), comparing 2 criteria (farm and batch). If criteria match, then sum the values in the 'No. of Samples" cells and paste to &...
0
votes
0
answers
55
views
Flatting out multiple nested dictionary into a dataframe for use in data modeling
I am slowly working through different python courses to teach myself Python. After taking courses for ~ a month I started to work on building a model using a data API feed from DataGolf.
The data is ...
0
votes
1
answer
51
views
Terraform Nested loop for.each example
I'm attempting to create nested loops to iterate over each environment (dev, qa, uat) and build target group attachments for the target IPs associated with each environment.
Here's what I have so far:
...
