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Xcode - How to combine key and value into single array?


Xcode - How to combine key and value into single array?

By : user2954067
Date : November 21 2020, 07:31 AM
To fix this issue If you are trying to create an array of the form [key1, value1, key2, value2, key3, value3...] then try something like the following (recall that keys are not restricted to NSStrings)
code :
for (id key in [dic allKeys]) {
    [resultArray addObject:key];
    [resultArray addObject:[dic objectForKey:key]];
}


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Combine array values into a single value to display in a single column of a grid

Combine array values into a single value to display in a single column of a grid


By : ldx00
Date : March 29 2020, 07:55 AM
may help you . You can't have an array as a single column
You should make it string in the Model, or have another property with the joined array:
code :
public class MyModel
{
    public string parentName {get; set;}
    public string[] childrenNames { get; set; }
    public string JoinedNames { get; set; }
}

loo[1] = new MyModel();
..
...
loo[1].JoinedNames  = string.Join("," loo[1].childrenNames);

@(Html.Telerik().Grid(Model)
.Columns(columns =>
{
    columns.Bound(o => o.parentName).Width(100).Title("Parent");
    columns.Bound(o => o.JoinedNames).Width(250).Title("Kids");
 }
I have 8 single row arrays, how do I combine these into a single array with 8 rows?

I have 8 single row arrays, how do I combine these into a single array with 8 rows?


By : Pavel Panov
Date : March 29 2020, 07:55 AM
wish of those help I'm trying to create a multidimensional array and running into an issue I can't solve. I have 8 single row arrays stored in 8 variables: row1x, row2x, row3x....row8x. Any ideas on how to combine to form one array? , How about simply:
code :
var rows = [row1x, row2x, row3x, ... row8x];
[[325, 654, 47, 696], [567, 274, 685, 84], [252, 111, 2369, 180], ...]
Two array with same index key and structure need single array of combine array of it

Two array with same index key and structure need single array of combine array of it


By : rebekahfrey
Date : March 29 2020, 07:55 AM
wish of those help My First Array Look Like This , Here's an easy way:
code :
$result = array_map(null, $array1, $array2);
$array1 = array(1 => 'news', 5 => 'game');
$array2 = array(2 => '1', 6 => '2');
Combine Sub-array values into a single array withing an array

Combine Sub-array values into a single array withing an array


By : Sonali Pradhan
Date : March 29 2020, 07:55 AM
Any of those help The array you're getting from an external source is like a set of separate branches you need to merge into a single tree. You can use a recursive function to create the "optimized" structure you're going for. A recursive approach should work regardless of the depth of each branch.
code :
function merge_branches(array $branches): array
{
    $merge = function ($node, &$tree) use (&$merge) {
        if (is_array($value = reset($node))) {
            $merge($value, $tree[key($node)]);        // merge branch node recursively
        } else {
            $tree[key($node)] = $value;               // set leaf node to value
        }
    };

    $tree = [];
    foreach ($branches as $branch) {
        $merge($branch, $tree);
    }
    return $tree;
}

$optimized = merge_branches($external);
fetch single core data elements and combine into single array

fetch single core data elements and combine into single array


By : user3579586
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , First of all use a specific fetch request to get Users records.
If you want an array of strings ([String]) map the records to their user names
code :
func joke() {
    let fetchRequest = NSFetchRequest<Users>(entityName: "Users")
    do {
        let result = try context.fetch(fetchRequest)
        let nameArray = result.map{$0.username}
        print(nameArray)
    } catch {
       print("Could not fetch \(error) ")
    }
}
let nameString = result.map{$0.username}.joined(separator: ", ")
print(nameString)
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