All Questions
919
questions
1
vote
3
answers
101
views
In C, why can a variable holding a char array be assigned to a pointer, but the address of the same pointer cannot?
Consider the following code:
char stringy[] = "There's too much confusion, I can't get no relief!";
char *pStringy;
pStringy = stringy;
This compiles -
stringy is an array of characters, ...
- 113
2
votes
1
answer
62
views
C# generic method detect if T is array and then index into the array
I'm trying to write a Dbg debug function that will print out some debug info about the given parameter and then return it. I would like arrays to be printed as the list of elements, and scalars to ...
- 809
1
vote
1
answer
32
views
Extract Generic Interface or Type keys as an Array [duplicate]
I want to know if it's possible to get a generic interface or type and get it's properties like an array of objects, like this:
interface UserData {
email: string
}
keys = extractKeys<UserData&...
- 23
0
votes
2
answers
64
views
func argument with an Array of mixed types (protocol), then call a static method of the protocol
Here are my structures (I can have lot more, that why I need a generic way to do with MyProtocol):
protocol MyCustomCodable {
static func buildQuery()
}
struct A: MyCustomCodable {
...
}
...
-1
votes
1
answer
53
views
Confused about JSON and Array in TypeScript
I get data from the database with Sveltekit and nodejs and always fetching data like that
...
responseData = await response.json();
It returns Object and I can assign it to an array
let getData = [];
...
- 21
2
votes
1
answer
73
views
How to make packing and unpacking functions generic?
I would like to make these two functions generic:
/**
* Unpack an element if it is packed.
* @param data - Data from which to unpack.
*/
export const unpack = (
data: undefined | string | string[]...
- 7,407
1
vote
1
answer
78
views
How do I get a type safe function return value in this case?
In the below code example I would like my IDE to accept mySap.rootValues[0].test2 and mySap.rootValues[1].test4 as valid. Right now, it doesn't, because rootValues[0] and rootValues[1] are of type ...
- 53
3
votes
1
answer
174
views
PHP FFI - Convert PHP array to C pointers array
I have a C function with the following signature. It accepts (from my humble C understanding) an array of C strings and returns a pointer to a random string.
const char *get_random(const char *const *...
- 931
0
votes
3
answers
72
views
VBA function works within a sub procedure but not on the excel worksheet: "value" error. Probably an issue with one argument being an array
I want to write a function which given 2 arguments (2 dimensional array with n rows and p columnns and a number i) it will return the i^th column of the matrix. I have written this code using an array ...
0
votes
2
answers
156
views
What are the types of arrays with variable size and accommodating different types in Nim?
Nim is my second language after Python. Python has a universal array type, the "list" type. It has a changeable size and can accommodate any type. I am currently sorting out and studying Nim ...
- 13
-1
votes
3
answers
71
views
Possible to use python native lists to replace array altogether? [closed]
I come from PHP background so i am very used to arrays with key->value pairs e.g.
array[0] = "One"
array[1] = "Two"
array[3] = "Three"
Then i could unset(array[2]) ...
- 805
0
votes
0
answers
72
views
Dot indexing is not supported for variables of this type. Don't work in newer version
function [LIMP,n] = vvod
clear all;
P = dir('*.txt');% filepath
n = length(P);% number of files
for i=1:n
FI=P(i).name;
fopen(FI);
LIMP = importdata(FI);
Data(:,:,i)=...
- 1
0
votes
1
answer
343
views
Types for the data from supabase
1
I'm trying define the types for the data from supabse I cannot and I got the error message.
"type '{ id: string; title: string; capacity: number | null; start_date: Date | null; start_time: ...
0
votes
2
answers
127
views
Consistently iterate API response which may be an object or an array of objects
I have the following JSON code.
{
"Artikelnr":"1000",
"Vooraad_NL":2.0,
"Voorraad_DE":1.0,
"Voorraad_BE":0.0
}
When I loop through the json ...
- 67
0
votes
1
answer
31
views
Why does typescript dons't do typecheck on a 2d array?
I have this simple code to generate a 2d array:
type cell = {
id: string;
};
const board: cell[][];
board = Array(10)
.fill("")
.map((x) => Array(10).fill(ANY TYPE CAN GO ...
- 581