arrays

PHP (images folder) image Listing in Alphabetical Order?

Hello, I'm having problems with a PHP script trying to list images alphabetically. I need this urgently and I have not much knowledge of PHP. I was trying to use scandir() but I'm not succeeding. Thanks for your help!! Here is the code: function listerImages($repertoire){ $i = 0; $repertoireCourant = opendir('./'.$repertoire); whi...

Any array function or user defined function to pick up only first occurence of value from the array?

EDITED I m using this select query with left join: $updaterbk = "SELECT j1. * FROM jos_audittrail j1 LEFT OUTER JOIN jos_audittrail j2 ON ( j1.trackid != j2.trackid AND j1.field != j2.field AND j1.changedone < j2.changedone ) WHERE j1.operation = 'UPDATE' AND j2.id IS NULL "; which outputs me an array: Array ( [0] => Array ...

Android use of an string array on another method

Hi all. Im trying to make an activity that has a multiple choice dialog after you push a button. In there you select from a list of things. But these things are received from a web method before the dialog appears. So I create a string array after I receive them inside the onCreate to initialise it there with the correct size. But my di...

PHP: Adding arrays together

Could someone help me explain this? I have two snippets of code, one works as I expect, but the other does not. This works $a = array('a' => 1, 'b' => 2); $b = array('c' => 3); $c = $a + $b; print_r($c); // Output Array ( [a] => 1 [b] => 2 [c] => 3 ) This does not $a = array('a', 'b'); $b = array('c'); $c = $a + $b; pri...

How to do a random-and-unique generator?

I already wrote a random generator which take arguments a and b, where a is minimun and b is maximum value, like this randomGenerator(int a, int b) What I want to do next is: Using a loop, then generate unique number from a to b. Example: I want to have 8 unique numbers, int a = 1; int b = 10; int value; If I do the loop, there is a ...

Looping array inside list in C#

I have a list of arrays that contains multiple arrays. Each array has 2 indexes. First, I want to loop the list. Then I want to loop the array inside the list. How can I do that ? I tried to use this way, but it doesn't work: 1. foreach (string[] s in ArrangList1) 2. { 3. int freq1 = int.Parse(s[1]); 4. foreach (string[] s1 ...

Multiple choice dialog wont let me alter an array when clicked

Hi I have a multiplechoice dialog on my activity. I have a boolean array to keep track of which items are selected from the dialog. So I want each time an item is clicked to make the corresponding place on my array true. The array is being created in the onCreateDialog before the return. public Dialog onCreateDialog(int id) { userlist...

PHP | SQL syntax error when inserting array

Hi guys, I am having some trouble inserting an array into the sql database. my error is as follows: Unable to add : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '06:45:23,i want to leave a comment)' at line 1 My query var_dump is: string(136) ...

transforming flat php array into multidimensional one based on key value?

I have a flat array that I'm trying to make multidimensional. Basically, I want to find the items that have parents and create a subarray for that parent id. Right now (and this is simplified), it looks like this: Array ( [0] => stdClass Object ( [id] => 1 [parent] => 0 [name ] => Parent1 ) [1] => stdClass Object...

C++ Array of pointers: delete or delete []?

Cosider the following code: class Foo { Monster* monsters[6]; Foo() { for (int i = 0; i < 6; i++) { monsters[i] = new Monster(); } } virtual ~Foo(); } What is the correct destructor? this: Foo::~Foo() { delete [] monsters; } or this: Foo::~Foo() { for (int i = 0; i...

Simplest way to use isdigit and isalpha commands ?

Hello, Can anyone briefly explain how do these two commands work ? isdigit and isalpha .. Ofcourse I read online sources before asking the question, but unfortunately I tried them and didnt get them to work. What is the simplest way ? I know it gives back a value, so im assuming I can use it like this : if(isdigit(someinput)==1) r...

Read array dump output and generates the correspondent XML file

Hi, The text below is the dump of a multidimensional array, dumped by the var_dump() PHP function. I need a Java function that reads a file with a content like this (attached) and returns it in XML. For a reference, in site http://pear.php.net/package/Var_Dump/ you can find the code (in PHP) that generates dumps in XML, so all neeeded ...

Send a JavaScript array as a JSON value?

How can I send a JavaScript array as a JSON variable in my AJAX request? Thank you. ...

Use variables to decide which object in an array gets an attribute?

I have a web app which has two text areas. When one text area receives a mousedown event, a variable "side" is set, either "left" or "right." When a user selects some text in a text area, three strings are made. One for the text before the beginning of the selection, the selection itself, and the text after the selection to the end. A fu...

Best practice for writing ARRAYS

I've got an array with about 250 entries in it, each their own array of values. Each entry is a point on a map, and each array holds info for: name, another array for points this point can connect to, latitude, longitude, short for of name, a boolean, and another boolean The array has been written by another developer in my tea...

How do I prevent buffer overflow converting a double to char?

I'm converting a double to a char string: char txt[10]; double num; num = 45.344322345 sprintf(txt, "%.1f", num); and using ".1f" to truncate the decimal places, to the tenths digit. i.e. - txt contains 45.3 I usually use precision in sprintf to ensure the char buffer is not overflowed. How can I do that here also truncating the de...

help with multi dimentional arrays

hi, i am building a shopping cart and cant figure out how to store something like this into a session. [product_id1] = quantity; [product_id1] = size [product_id1] = color; [product_id2] = quantity; [product_id2] = size; [product_id2] = color; ... etc so when a user select the quantity of a product then selects its color then select...

Objective-C global array of ints not working as expected

In my MyConstants.h file... I have: int abc[3]; In my matching MyConstants.m file... I have: extern int abc[3] = {11, 22, 33}; In each of my other *.m files... I have #import "MyConstants.h" Inside 1 of my viewDidLoad{} methods, I have: extern int abc[]; NSLog(@"abc = (%d) (%d)", abc[1], sizeof(abc)/sizeof(int)); Why does i...

extract associative array within an array in php

i have an array like this Array ( [0] => Array ( [s_id] => 4 [si_id] => sec_1 [d_id] => dep_4 [s_name] => sec1 [s_location] => LA [s_visibility] => yes [s_created_date] => 1273639343 [s_last_updated_date] => 1273639343 ...

Am I writing this right? [noob]

private final int NUM_SOUND_FILES = 4; private Random rnd = new Random(4); private int mfile[] = new mfile[NUM_SOUND_FILES]; //the second mfile //reports error everytime mfile[0] = R.raw.sound1; mfile[1] = R.raw.sound2; mfile[2] = R.raw.sound3; mfile[3] = R.raw.sound4; int s...