Tagged Questions

Multidimensional-arrays can be described as "arrays of arrays". Multidimensional-arrays are often used to put values in a table format (e.g. rows and columns).

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Array Indexing in multi dimensional numpy array

I'm new to numpy and trying to understand the following example from here. I'm having trouble understanding the output of >>> palette[image] When the indexed array a is multidimensional, ...
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1answer
41 views

MySQL PHP - SELECT WHERE id = multidimensionalArray

I have 2 table in MySQL: Expected table matches: id | idA | idB 1 | 21 | 1 2 | 21 | 2 3 | 22 | 3 4 | 8 | 2 5 | 9 | 21 6 | 10 | 7 Table data: id | projectId | name 1 | 2 | ...
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1answer
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how to create multidimensional array / object in jquery and pass via AJAX post

I am creating an order form that has a table of order items users can purchase. The inputs are using data attributes to store the items name and price per piece like so: <input type="text" ...
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2answers
57 views

Can I access elements of a 2D array using pointers in C++?

For 1D array, I can use array name as a pointer and add offset to it to access each element of the array. Is there something similar for 2D arrays? I defined a 2D array as follows int arr[2][3] = ...
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0answers
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php compare arrays for pairing people (with conditions)

I am writing a PHP script that is for a essentially a gift grab-bag (pulling names out of a hat). But there's a few conditions: -You cannot be paired with your spouse -You cannot have who you had last ...
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0answers
32 views

PHP creating/pushing to nested array by reference

I have a series of repetitive array rebuilding tasks which look a bit like this: list($zone, $asset, $combos) = explode(FM_DELIMITER, $ti_data[0], 3); if( !array_key_exists($zone, ...
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1answer
14 views

Visual Basic - Storing information from an array to a two dimensional array

I have some code where I have a "map" stored in a string and then I put this into an array. This array has seperated the string into characters for each index position. I now want to put these ...
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2answers
50 views

2D array as instance variable of class

So if I have a class with a 2D array that I want to initialize with two parameters passed into the constructor, how would I do that, I keep running into errors because it won't let me update the two-d ...
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1answer
24 views

How to insert one array one associative array into another associative array in PHP? [closed]

I've a following associative array named $request as follows: Array ( [chapter_mcq_que_id] => 9 [chapter_id] => 103 [chapter_mcq_que] => Who is Anand? ...
3
votes
2answers
94 views

Why are these computation speeds different for multi-dimensional array in C++? [duplicate]

This might be a repeat question. So, please feel free to flag it down if you want. In C++, I learnt that array dimensions are stored consecutively in memory How are 3D arrays stored in C? so i did a ...
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1answer
33 views

How can I get global arrays across files?

How can I get global arrays across files? I know that I can use $GLOBALS[''] for variables, but what about arrays or even multidimensional arrays? I need to get the value of arrays those are not in ...
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2answers
38 views

Looping over a multidimensional array

For an array within an array in JavaScript (as below), why can't I loop through like this? for (var i = 0, len= animation.length;i <len; i++) { for ( h = 0, len2= animation[i].length;h ...
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votes
2answers
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How to manage and sort integers from a loop in java [closed]

So I have a loop which will compare two lines of code depending on how many words match, the output of each loop is a percentage of how many words match. I need to store all the percentages and the ...
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vote
0answers
38 views

creating and manipulating 3d arrays

I am (very) new to python, previously a Matlab user. I try to create code to load times series into the rows of a matrix [serie1, 2, 3, etc.] and then manipulate those time series into a loop (see ...
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2answers
22 views

How do you a nested value ina multidimensional array in PHP?

I am trying to learn Twitter's API. This is what the server returns when you send a request. [ { "coordinates": null, "favorited": false, "truncated": false, "created_at": "Wed Aug ...

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