Questions tagged [slice]
A slice is a representation of a part of a sequence, usually defined by a reference to the underlying sequence, an index giving the starting position, a length or end position, and optionally a "stride" or "step" value. Please use the tags "object-slicing" for the slicing problem in C++ and "program-slicing" for the analysis technique.
slice
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A compilation error while using builtin func "max" with Go 1.22.1 : "invalid operation: invalid use of ... with built-in max"
I want to use max to get the maximum in slice, and I looked at the function declaration for max:
func max[T cmp.Ordered](x T, y ...T) T
But even though it was the same as my "myMax" ...
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Golang map value modifed after append [duplicate]
Can someone explain why my struct's value "Name" is altered after it was appended to a new slice?
package main
import (
"fmt"
"strings"
"golang.org/x/...
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how to add all thing in slice to a only one string
hello every body i was coding about create a map and on that map we have 2 thing name of book and number of book and i stuck in one thing if name of book is look like this "Harry Potter" ...
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javascript setting a .map() range and update the range later
I'm building an app with React & JS which returns products from a json list inside a component, the array is outputted on the app using a .map() array. I'm also limiting the amount to return ...
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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 ...
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Django reversed for loop slice
I am currently trying to reverse a slice of a list going from 0 to 11
class Game(models.Model):
board = models.JSONField(default=list)
game = Game(board=[4] * 12, scores=[0, 0], current_player=0, ...
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Slice row out of CSV file using either Python alone or jsonata
I am using the C2Intel Feeds to find specific observables and when I do, I'd like to extract/slice out the row.
Example:
https://raw.githubusercontent.com/drb-ra/C2IntelFeeds/master/feeds/...
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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 ...
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Extract Month from time column 2024-06-30 [duplicate]
I have a data frame in using the R language with a "date" column YYYY-MM-DD and I want to extract the month and create a new column in my data frame named "month" with just the ...
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Slicing multiple chunks in a polars dataframe
Consider the following dataframe.
df = pl.DataFrame(data={"col1": range(10)})
┌──────┐
│ col1 │
│ --- │
│ i64 │
╞══════╡
│ 0 │
│ 1 │
│ 2 │
│ 3 │
│ 4 │
│ 5 │
│ 6 │
│ 7 ...
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Dereferencing pointers in a slice does not seem to yield the initial value that the pointer was created from [duplicate]
I need to make a slice of pointers for a Go project I'm working on, that references the items in a slice. The expected behavior would be that I could modify one of the dereferenced items in the slice ...
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How to initialize a mutable array in Zig?
I've been working through ziglings, and in the last exercise (#107) I have to initialize a slice to a 64 character array filled with 'A's. This much is fine. The issue is that the values have to be ...
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Is there a Numpy function to subset an array based on values (not indices) in a slice or range?
I am trying to extract, from an array, all values within a certain slice (something like a range, but with optional start, stop and step). And in that, I want to benefit from the heavy optimizations ...
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How to remove duplicate elements from a slice of slices in golang
i have a function which returns a slice of slices.
[[-1 -1 2] [-1 0 1] [-1 0 1]]
Trying one way of map method wont work because slice cannot be a key. How do i remove the duplicate elements here.
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slicing the last letter of a string in python while having both a start and stop-value?
Is it possible to slice the last letter of a string in python while still having stop-value? I would like to create a loop to slice all the letters of a string individually from the back to the front, ...
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