All Questions
1,077
questions
1
vote
1
answer
63
views
How do you flatten a slice of arrays without extra allocation?
In Go, if I have a slice of arrays of a given type, how can I convert that to just a slice of that same type?
Specifically, is it possible to do this without allocating memory for a new backing array? ...
- 852
-1
votes
1
answer
64
views
How can I increase the stack size limit in a Go program?
I'm running a recursive implementation of the Quick Sort algorithm for my Algorithms Design class. My project requires me to run the algorithm with arrays from size 100 to size 10^8.
The algorithm can ...
-4
votes
1
answer
57
views
Problem with recursive function that sums all numbers in array in Go
I want to sum all the numbers in array using recursive function
import (
"fmt"
)
func RemoveIndex(s []int, index int) []int {
return append(s[:index], s[index+1:]...)
}
func ...
- 1
2
votes
2
answers
67
views
go lang: view []uint32 array as []uint8
what is the most efficient way in Go to view uint32 array as uint8 array?
for now my solution in go is quite clumsy and involves a lot of unnecessary binary arithmetic:
import "fmt"
func ...
- 37
1
vote
1
answer
119
views
multidimensional slice access performance in golang
I am working on a little and simple game-of-life in Golang and stumbled on a performance problem during slice access.
This is the primary data structure for the game:
type Neighbor struct {
X, Y ...
- 119
0
votes
1
answer
102
views
GoLang - looping through array of structs - can I map?
I'm new to GoLang, coming from Node. A little late to the (definitely not functional) game and need some help understanding approaches, and perhaps just understanding...
I want to omit an item from a ...
- 656
0
votes
1
answer
71
views
How to create a generic array in GO?
I have a function that needs to receive a GORM model as a parameter, and depending on the model I receive as a parameter, I need to create an Array(Slice) based on the type of the struct(gorm model) I ...
- 537
-1
votes
1
answer
58
views
Go, 2-dimensional array (or slice) of struct [duplicate]
The following go-code works fine:
package main
import (
"fmt"
)
type Node struct {
north int
east int
south int
west int
}
func main() {
roomsX := 5
roomsY := 5
...
- 61
0
votes
2
answers
1k
views
What's the fastest way to check if a list contains an item in Go?
I have a project where performance is very important. The function I have to check if a list contains an item is being called hundreds of thousand to millions of times per second, and is costing me a ...
- 83
1
vote
1
answer
50
views
Scan-read trouble when a big number appears Golang
Trying to solve https://codeforces.com/problemset/problem/803/B
My code works fine for smaller inputs, but it keeps getting runtime-error when tests with big numbers appear(9-digit numbers).
it throws ...
- 11
0
votes
0
answers
59
views
How to handle large amount of data from array of pointer struct faster in Golang?
I want to create a CSV file from []*dto.Customer.
Getting all values and convert each struct values into a single string & then push into an array.
Finally write into string builder then convert ...
0
votes
0
answers
54
views
Quadtree of 2D array
so we have this project where we have to build a quadtree from a 2D array in parameters, the thing is my inital code doesn't manage well rectangle arrays when i want to expand the length of the width ...
- 11
1
vote
0
answers
62
views
Printing cosmetic extras when turning a 3D rubix cube array into ASCII art
I have a 4D array that I'm using to create a rubix cube, the dimensions are depth, height, width, and face, each given a letter to determine what color that face should be. Here is an image for ...
- 31
-1
votes
1
answer
85
views
Go: appending the second item changes the first item [closed]
Don't know what to say, just look at the code and at the output.
Code:
package main
import (
"encoding/json"
"fmt"
)
type Human struct {
N string `json:"n"`
...
- 11
0
votes
0
answers
93
views
Slicing a two dimensional array
I'm trying to learn to take advantage of all the benefits that slices offer.
The challenge task I created for myself was to create a slice for two dimensional array (even dimension) so that the lower ...
- 517