Category "slice"

How to use unsafe get a byte slice from a string without memory copy

I have read about "https://github.com/golang/go/issues/25484" about no-copy conversion from []byte to string. I am wondering if there is a way to convert a str

is there a Generic way to assert type? [duplicate]

I have found myself writing the same function X number of times to get different types of Items out of my go-cache. The duplicate functions ar

How to exclude coordinates which overflow matrix

The task is to write a function that returns all its neighbors for an element. Diagonal elements are not considered neighbors. In general, the problem is solved

Two ways of slicing Python nested lists

I have following code mylst is a nested list: mylst = [[507, 3, 30, 44, 522, 25], [268, 40, 23, 54, 280, 67], [424, 37, 28, 50, 438, 62], [216, 47, 24, 50, 22

Split a string only by the first element in golang

I'm trying to parse git branch names and split them so I can seperate the remote and the branch name Previously I just split on the first slash: func ParseBra

how to get lonely value from a slice golang [duplicate]

I want to create a function that can retrieve data that has no duplicates from a slice an example of a slice that will be processed: number1 :

How to select multiple columns by name that are not adjacent and combining several slicing methods?

Is there a way to select multiple columns that are not adjacent and combining several methods? test dataframe: test = pd.DataFrame(np.random.rand(3, 9),

R: slicing over dates in a dataframe using custom time window

I have a dateframe of player rankings over many years (2000-2020), which looks like : Now, I wish to group_by() and summarise() and calculate statistics for di

RangeIndex object is not callable

I am reading values from text file and and trying to find index of sub strings like below df=pd.read_csv('break_sent.txt', index_col=False,encoding='utf-8',del

How do I construct an object of a slice struct?

package main import ( "fmt" ) type demo []struct { Text string Type string } func main() { d := demo{ Text: "Hello", Type:

How can I convert a buffer of a slice of bytes (&[u8]) to an integer?

I am reading raw data from a file and I want to convert it to an integer: fn main() { let buf: &[u8] = &[0, 0, 0, 1]; let num = slice_to_i8(buf

[]byte(string) vs []byte(*string)

I'm curious as why Go doesn't provide a []byte(*string) method. From a performance perspective, wouldn't []byte(string) make a copy of the input argument and ad

How to get the last element of a slice?

What is the Go way for extracting the last element of a slice? var slice []int slice = append(slice, 2) slice = append(slice, 7) slice[len(slice)-1:][0] // R

How to search for an element in a golang slice

I have a slice of structs. type Config struct { Key string Value string } // I form a slice of the above struct var myconfig []Config // unmarshal a

Slicing list of lists in Python

I need to slice a list of lists: A = [[1,2,3,4,5],[1,2,3,4,5],[1,2,3,4,5]] idx = slice(0,4) B = A[:][idx] The code above isn't giving me the right output. What

JavaScript equivalent of python string slicing

Is there a JavaScript equivalent to this Python method of string slicing? >>> 'stackoverflow'[1:] 'tackoverflow' I have tried: // this crashes console

Cannot use "a" (type string) as type in array element in go

I'm pretty new to Golang and I have an issue with adding items to Array. I use this link as a reference golang-book. I have this struct: package models type Fi

How to repeat characters in a string in javascript by using slice function?

Can anyone shed light on how to frame a javascript function with two parameters: string and character, and only by using the slice method, return the number of

How to delete an element from a Slice in Golang

fmt.Println("Enter position to delete::") fmt.Scanln(&pos) new_arr := make([]int, (len(arr) - 1)) k := 0 for i := 0; i < (len(arr) - 1); { if i != p