All Questions
8,260
questions
0
votes
1
answer
35
views
Send data to all sockets at exact time [closed]
Say we have array or list of sockets named (A,B,C) and we want to send data to all of them at the same exact time due to that the application is really time critical, then is there a away to send to ...
- 641
-1
votes
2
answers
34
views
Convert this to an array to output specific positions in the array
I'm looking for converting this list to an array so I can output specific strings from there. How could I do this? Here is the code:
public override void Select()
{
StringBuilder sb = new ...
- 1
-3
votes
0
answers
28
views
Repeated indexes in list - Python [duplicate]
I have a long list, that is read from .csv file and it goes like this:
frequency = [..., 398, 399, 398.8, 400, ...]
and so on...
I need to find index for each value, but if the frequency value ...
- 5
0
votes
0
answers
33
views
How to pass Array with Dropzone Form Data
I am using DropZone and trying to pass Array with the formData.append() for on("sending") method.
I couldnt find any example where we are passing additional data of List objects(except ...
- 197
1
vote
0
answers
55
views
Why is an array variable not getting updated unless assigning to [:]? [duplicate]
I was solving this leetcode problem of rotating the array right by k places and this is the function I wrote in Python:
class Solution:
def rotate(self, nums: List[int], k: int) -> None:
...
- 29
0
votes
1
answer
67
views
Spread operator to append List to List or Lists in Dart?
I'm trying to figure out how to use the spread operator to append a List<int> to the end of a List<List<int>>.
I know that I can use the .addAll method, however that doesn't seem to ...
0
votes
0
answers
27
views
Unity Can a variable, changing array be assigned for one spot in an array
So I might already have an answer for this but if I have a 2d array is there anyway to have a spot be in array that can change sizes and content?
If not, how could I go about this? Can lists do this? ...
- 25
1
vote
0
answers
42
views
Batch scripting- check if key exists in list/array
I am making a batch script where I'm copying around some directories. At one point the user has to make a decision which file he wants to copy from a certain directory.
When the selection is made by ...
- 2,683
0
votes
1
answer
23
views
Build list of widgets from asynchronous call [duplicate]
I need to make a dynamic list of Widgets
Then I created a function that returns a list of widgets
@override
Widget build(BuildContext context) {
return Container(
child: SingleChildScrollView(
...
- 1
1
vote
1
answer
42
views
How to I remove or update data (not objects) in a class list?
I created the following class:
class myAIS():
def __init__(self, mmsi, Alat, Alon, Aspeed, Acourse, shipname):
self.mmsi=mmsi #integer
self.lat=Alat #float
...
- 11
0
votes
0
answers
23
views
How to sync two similar lists/waveforms with differently populated data in python?
I have two lists of sizes L1 - 22400(865*26) and L2 - 79000 with measurements of some environmental data. Data of both the lists are measured simultaneously. The L2 is a continuous measurement for ...
0
votes
0
answers
32
views
How to see if object is in a list [duplicate]
How do I in Node.JS check if a object like {idx: X, idy: y} in is in a list?
I've tried with .index and other things, but I think because it is a object with multiple values it fail.
My list has the ...
- 13
1
vote
3
answers
122
views
Which List implementation does Kotlin use when calling listOf()
As known, in Java List is not a class, but an interface, so you can't get an instance of a List, you have to specify the implementation, like ArrayList, LinkedList, etc. So here is the question: which ...
4
votes
2
answers
61
views
Failed to convert a list returned by tapply into a data.frame
I'm doing some data operation with tapply(), and it returns a list-like object. For example:
x <- 1:10
y <- rep(c('A', 'B'), each = 5)
lst.1 <- tapply(x, y, function(vec) return(vec), ...
- 457
0
votes
2
answers
83
views
How do I reduce amount of memory used here?
So, I wrote a code, for this problem.
Code :
import copy
class SnapshotArray:
def __init__(self, length: int):
self.lst = [0] * length
self.snap_id = -1
self.hash = []
...
