[multidimensional] Forum Topics

The example shows how to establish a dictionary of (row, column):value pairs to mimic a two dimensional array. This can be easily expanded to more dimensions. Python3 has dictionary comprehension, making the process of creating a dictionary of this type easier.

At times, I have need to push all submitted form array values into $_SESSION. To do this, I've written a small function: function addPostToSession() { foreach ($_POST as $key=>$value ){ $_SESSION[$key]=stripslashes(strval($value)); } } This works well, as long as $_POST is one dimensional, but in a form with checkboxes, $_POST …

Hi all. Have been racking my brains about how to go about creating a multidimensional array dynamically from an array of keys. Something like... $keys = array('key1', 'key2', 'key3'); $value = 'some value'; // $md = ...???!!!... I need the $md multidimensional array to have the keys thus... $md['key1']['key2']['key3'] = …

So I'm basically trying to recreate the simulation of two dice being rolled, and I need to count the frequency in a two dimensional rectangular array, then display the array. I'm so lost I wrote some code but it didn't work, can anyone help. This is the assignment I'm not …

So im making an RPG. For collision detection, I thought I would do it like this: 1. Read text file containing collision data. 2. Iterate through the list using nested for loops. 3. When a value of 1 occurs (denoting an inpassable tile) add a rectangle to list 'badTiles', where …

So, Im making a game in c# using Xna. I have a function that will read a text file and display a map on screen, using numbers in the file as texture references. The file is a integer multidimensional array. I have another file which is used to set collision …

Please consider the following class : <?php class p0110dbinsertbuilder { public $table=""; private $fields ; public function add($Field,$Value){ $this->fields = array($Field,$Value); } public function insertstring(){ $count = count($this->fields,0); $c = "INSERT INTO " . $this->table . "("; for ($i=0;$i<$count;$i++){ $c .= $this->fields[$i][0]; if ($i <> $count-1){ $c .= ","; } …

hi i am really new to this and can't see why i can't get my code to work, it is probily really silly but help would be appreciated. i am trying to get the user to enter the number of competators of a 4 lap race so that it can …

//Give me an example for Serialising Multidimensional array in c sharp. //While searching in net i found this code snippet [XmlIgnore] public char[,] Data; [XmlElement("Data")] [EditorBrowsable(EditorBrowsableState.Never)] public char[][] XmlData { get { /* copy contents of Data into a jagged array */ } set { /* copy contents of jagged …

Hi! I am learning C, and am at very introductory level, using this book called C Programming: A Modern Approach. I have just studied about arrays, and while tackling the programming exercises,i got stuck in Que 9 in Chapter 8. This is what the question says [INDENT]Write a program that …

>Hi guys,..i've two arrray data1 and data2 then i do intersect to get same value between data1 and data2, and >use count to get total same value,..how to ARSORT count result from intersect array multidimensional? <?php $data1 = array( array( '7' => 'chelsea everton', '8' => 'everton villa', '9' => …

>hi guys, how to get first and last (key and value) array multidimesional below? $data1 = array( array( '0'=>array( '7'=>'chelsea', '8'=>'everton', '9'=>'villa', '10'=>'liverpool' ), array( '23'=>'milan', '24'=>'inter', '25'=>'juventus', ), ), '1'=>array( array( '53'=>'madrid', '54'=>'barcelona', '55'=>'altetico', '56'=>'everton', ), array( '243'=>'milan', '244'=>'inter', '245'=>'juventus', ), ), '2'=>array( array( '523'=>'madrid', '524'=>'barcelona', '525'=>'altetico', '526'=>'everton', ), …

I have the following code in my **PHP** program: $query = "SELECT * FROM board_members"; $result = mysql_query($query) or die(mysql_error()); $data = array(); // create a variable to hold the information while (($row = mysql_fetch_array($result, MYSQL_ASSOC)) !== false){ $data[] = $row; // add the row in to the results (data) …

I have an array of file names which gets split into 3's using array_chunk, then using array_push "X" is added to each array chunk. I now want to to reassemble the array chunks into one "2D" array. I have been playing around with array_merge, but I can only get the …

I am working on a project that requires a CSV file to be read into a multidimensional array. I loop through the array, and set multidimensionalarray[x][n] to the corresponding data in the CSV file, but I keep getting IndexError: list index out of range. I can't figure out why, and …

I have this example php string: [CODE]$string = "@[item_1][door] @[mozart][grass] = yes @[mozart][green] = no @[mozart][human] @[blue][movie]=yes @[item_1][beat] = yes @[item_1][music] = no ";[/CODE] now $string idented just to easy view: [CODE]@[item_1][door] @[mozart][grass] = yes @[mozart][green] = no @[mozart][human] @[blue][movie]=yes @[item_1][beat] = yes @[item_1][music] = no[/CODE] I want to know …

Hi i need a little help. i want to read a multi array from a file but code blocks said a lots of error and i dont know whats the problem. can u help me? [ICODE]#include <iostream> #include <cstdlib> #include <math.h> #include <fstream> #include <sstream> using namespace std; int maxn=100; …

Dear All, I have created a multi dimensional array and stored elements in that through while loop like $human = array(); and at every iteration the while loop will add elements like $human["IPI"]["Description"][] = $row; $human["IPI"]["link"][]= $link; but when i wanted to print this array contents in a table format …

Hello people :) i'm trying to insert query result into 2 dimensional array i have tried the following way.. [CODE] $query=mysql_query("..."); while($row=mysql_fetch_array($query)){ for($i=0;$i<=$index;$i++){ if(isset($myarray[$i]['array1'])|| isset($myarray[$i]['array2'])){ array_unshift($myarray[$i]['array1'],$row['study_period']); array_unshift($myarray[$i]['array2'],$row['test']); }//endif }//endfor }//endwhile [/CODE] But, it failed i also tried.. [CODE] $query=mysql_query("..."); while($row=mysql_fetch_array($query)){ $myarray=array( array("array1"=>$row['study_period'],"array2"=>$row['test']) ); }//endwhile [/CODE] it failed too since it …

Hello all! :) Do you have any link on some complete reference on multidimensional array in php?? Please tell me.. thanks a lot.

Hi, I'm new to this forum and C#. I try to make an array that each is the sum of the value of each row in sims array. It gives me nothing but zero. Please help. TIA. [CODE]public double[] ave_S(int M, int N, double S, double sig, double dt, double[,] …

Hi all I was wondering how to pass a multidimensional array to a function: Here is my code: [CODE] #include <cstdlib> #include <iostream> using namespace std; void PrintArray (int* array, int n); int main(){ int SIZE; cout << "Enter how many records: "; cin >> SIZE; int array[SIZE][2]; for (int …

Hello DaniWeb! I'm trying to return an array of strings from a function but I'm not sure how to do so. I've done the prerequisite Googling and have found people on this discussion board recommending to return char** which, it is said, can then be converted back into 2d array …

Hello I want to pass a bidimensional vector to the constructor of all instances of [ICODE]MyClass[/ICODE]. All instances must use and share and modify the same vector. And I want to keep a reference to that [ICODE]main_vector[/ICODE] to use it later in the program I am passing it by reference …

I was trying to code the assembly line sheduling problem using the dynamic programming approach. I have coded the program but i am facing problem with the 2-dimensional arrays I am using. For testing purpose, I wanted to initialize the array, but I was not able to get it. Moreover, …

Hey y'all, I have been working on a tensor library (Nth-order multi-dimensional arrays) and I've been having trouble coming up with a good scheme for a multi-dimensional iterator template. Basically, I have a class template "tensor_container" which stores all the values of the N-order array (as a std::vector of one …

I am trying to define a 2D array of 1000 by 1000 ints and then test which transversal method is faster (row major or column major). I have this written [CODE] #include <stdio.h> #include <time.h> int main() { clock_t start, end; double elapsed; start=clock(); int array[1000][1000]; int row, col; for(row=0; …

I cant figure out what is wrong with this code These are the instructions [ATTACH]17304[/ATTACH] [ATTACH]17305[/ATTACH] [ATTACH]17306[/ATTACH] and this is my code [CODE]#include<iostream> #include<fstream> #include<iomanip> using namespace std; void Get_Info(string[],int[][3]); void Get_Average(int[][3]); void Prt_GradeBook(string[],int[][3],int[]); int MakeUps(int[][3]); int Grades[5][3],average[5]; string Students[5]; int main() { Get_Info(Students,Grades); Get_Average(Grades); Prt_GradeBook(Students,Grades,average); cout<<"There are"<<MakeUps(Grades)<<"Makeup(s) to arrange. …

Hello, In OOP PHP, i got 2 classes: Database and News. In News class i call DB function and get result (multidimensional 2D array). Now i have to display that array in index.php. I call News class (lets say get_news() function) from index.php but cant retrieve data and always get …

I have written a program that will generate a random maze and solve it. The program uses a multidimensional array of a class that holds bool values for each wall, whether or not to show an * for the path taken, and if it is a dead end. here is …