multidimensional-array Questions
3
How to make an element array inside an array explode again.
I have an array like this
echo "<pre>";
print_r($pks);
The Result.
Array
(
[0] => 2017-04-15||KMTC_HOCHIMINH
[1] => 201...
Helve asked 19/5, 2017 at 2:41
9
I wonder, can binary search be applied on a 2D array?
What would the conditions on the array be? Sorted on 2D??
What would be the time complexity for it?
How would the algorithm change the bounda...
Tadashi asked 12/12, 2010 at 11:55
10
I have several method to transform php array to csv string both from stackoverflow and google. But I am in trouble that if I want to store mobile number such as 01727499452, it saves as without fir...
Percolate asked 3/5, 2013 at 6:0
6
Solved
Here is what I am using:
class something
{
char flags[26][80];
} a;
std::fill(&a.flags[0][0], &a.flags[0][0] + 26 * 80, 0);
(Update: I should have made it clear earlier that I am using t...
Tourane asked 16/10, 2010 at 9:14
7
Solved
Basically, I have a multidimensional array, and I need to check whether or not it is simply empty, or not.
I currently have an if statement trying to do this with:
if(!empty($csv_array))
{
//M...
Rici asked 23/8, 2013 at 11:22
4
Solved
I am little new to javascript and I am having alittle trouble wrapping my head around making a 2d (or maybe i might need a 3d) array in javascript.
I currently have 2 pieces of information i need ...
Valkyrie asked 3/3, 2012 at 4:42
8
Solved
I have created a multidimensional array in JavaScript and I want to find the exact index of specific value. That value will be user input.
var array = [];
var k = 0;
for (var i = 0; i < 10; i++)...
Cowardly asked 19/4, 2013 at 10:12
6
Solved
I am using the following foreach loop to populate a new array with filtered data.
foreach ($aMbs as $aMemb) {
$ignoreArray = array(1, 3);
if (!in_array($aMemb['ID'], $ignoreArray)) {
$aMembersh...
Gooey asked 30/9, 2010 at 18:57
4
[
1 => ['id' => 1, 'sort' => 1],
3 => ['id' => 3, 'sort' => 3],
2 => ['id' => 2, 'sort' => 2],
]
How do I sort it so that it's re-ordered using the inner 'sort' key?
...
Unripe asked 27/9, 2010 at 13:34
10
Solved
I am sure that this is super easy and built-in function in PHP, but I have yet not seen it.
Here's what I am doing for the moment:
foreach($array as $key => $value) {
echo $key; // Would outp...
Incredulous asked 23/7, 2010 at 11:54
2
Solved
I have a 3D numpy array of shape (t, n1, n2):
x = np.random.rand(10, 2, 4)
I need to calculate another 3D array y which is of shape (t, n1, n1) such that:
y[0] = np.cov(x[0,:,:])
...and so o...
Kalle asked 3/11, 2016 at 5:59
2
Solved
Example input as json
{
"user":{
"name":"Thomas",
"age":101
},
"shoppingcart":{
"products":{
"p1":"someprod",
...
Sturdivant asked 13/4, 2018 at 11:50
5
Solved
I have a multidimensional array that I am searching trough for specific values.
If those values are found I need to extract the indexes with those values ( make new array ) and remove all others. ...
Lynlyncean asked 18/4, 2014 at 16:44
7
Solved
I'm playing with Typescript and I wonder, how to properly instantiate and declare multidimensional array. Here's my code:
class Something {
private things: Thing[][];
constructor() {
things = ...
Limburger asked 9/5, 2015 at 20:18
2
I have a nested array tree, generated from a flat array with the following function:
function convertToTree(
array $flat,
$idField = 'id',
$parentIdField = 'parentId',
$childNodesField = 'child...
Cristionna asked 25/6, 2013 at 9:11
33
Solved
I have a list of lists like
[
[1, 2, 3],
[4, 5, 6],
[7],
[8, 9]
]
How can I flatten it to get [1, 2, 3, 4, 5, 6, 7, 8, 9]?
If your list of lists comes from a nested list comprehension, the pr...
Rattlesnake asked 4/6, 2009 at 20:30
4
Solved
I've got a multidimensional array of which I can't know the depth. The array could for example look like this:
$array = array(
1 => array(
5 => array(
3 => 'testvalue1'
)
),
2 =>...
Progenitor asked 21/10, 2011 at 20:29
13
Solved
What are the differences between multidimensional arrays double[,] and array of arrays double[][] in C#?
If there is a difference?
What is the best use for each one?
Dickdicken asked 28/2, 2009 at 7:55
14
Solved
Is there a way to convert a multidimensional array to a stdClass object in PHP?
Casting as (object) doesn't seem to work recursively. json_decode(json_encode($array)) produces the result I'm looki...
Bax asked 25/1, 2011 at 5:55
6
Solved
I want to do something like:
object[] rowOfObjects = GetRow();//filled somewhere else
object[,] tableOfObjects = new object[10,10];
tableOfObjects[0] = rowOfObjects;
is this somehow possible an...
Cracknel asked 8/7, 2009 at 16:47
4
Solved
I would like to copy a specific row from a multidimensional array to a new one dimensional array that can be used somewhere else in my code.
Input:
Multidimensional array[3,3]:
33 300 500,
56 35...
Jury asked 25/1, 2016 at 6:18
10
Solved
int matrix[9][9],*p;
p=matrix[0];
this works and gives first row of matrix, but how to get first column of matrix I've tried p=matrix[][0]; ? Also I don't understand why below code gets compiler...
Kelcey asked 6/3, 2013 at 21:7
2
Solved
In plpgsql, I want to get the array contents one by one from a two dimension array.
DECLARE
m varchar[];
arr varchar[][] := array[['key1','val1'],['key2','val2']];
BEGIN
for m in select arr LOOP...
Beelzebub asked 20/3, 2012 at 8:21
2
Solved
I have a 2d array and want to select only the 1st 1d array from it.
How do I do that?
Quince asked 23/9, 2014 at 13:21
7
Solved
I have a multi-dimentional array set up as follows
array() {
["type1"] =>
array() {
["ticket1"] =>
array(9) {
// ticket details here
}
["ticket2"] =>
array(10) {
// ticket det...
Investigator asked 30/1, 2012 at 10:56
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