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  • Convert byte array to wav file

    - by Eyla
    I'm trying to play a wav sound that stored in byte array called bytes. I know that I should convert the byte array to wav file and save it in my local drive then called the saved file but I was not able to convert the byte array to wav file. please help me to give sample code to convert byte arrary of wav sound to wav file. here is my code: protected void Button1_Click(object sender, EventArgs e) { byte[] bytes = GetbyteArray(); //missing code to convert the byte array to wav file ..................... System.Media.SoundPlayer myPlayer = new System.Media.SoundPlayer(myfile); myPlayer.Stream = new MemoryStream(); myPlayer.Play(); }

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  • parsing numbers in a javascript array

    - by George
    Hi I have a string of numbers separated by commas, "100,200,300,400,500" that I'm splitting into an array using the javascript split function: var data = []; data = dataString.split(","); I'm trying to parse the values of the array using parseFloat and then store them back into the array. I'd then like to add up the numbers in the array and store it as another variable, "dataSum". I've got the following code, but I can't get it working: var dataSum = ""; for (var i=0; i < data.length; i++) { parseFloat(data[i]); dataSum += data[i]; } So at the end of all this, I should be able to access any of the parsed numbers individually data[0], data[1], etc... and have a total number for dataSum. What am I doing wrong?

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  • Can nusoap return array of string ?

    - by Tim
    Hi all, I would like to return an array of string in my web services I've tryed : <?php require_once('nusoap/nusoap.php'); $server = new soap_server(); $server->configureWSDL('NewsService', 'urn:NewsService'); $server->register('GetAllNews', array(), array('return' => 'xsd:string[]'), 'urn:NewsService', 'urn:NewsService#GetAllNews', 'rpc', 'literal', '' ); // Define the method as a PHP function function GetAllNews() { $stack = array("orange", "banana"); array_push($stack, "apple", "raspberry"); return $stack; } but it doesn't work. What is the correct syntax for that ? Thanks in advance for any help

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  • Symfony file upload - "Array" stored in database instead of the actual filename

    - by Guillaume Flandre
    I'm using Symfony 1.4.4 and Doctrine and I need to upload an image on the server. I've done that hundreds of times without any problem but this time something weird happens : instead of the filename being stored in the database, I find the string "Array". Here's what I'm doing: In my Form: $this->useFields(array('filename')); $this->embedI18n(sfConfig::get('app_cultures')); $this->widgetSchema['filename'] = new sfWidgetFormInputFileEditable(array( 'file_src' => '/uploads/flash/'.$this->getObject()->getFilename(), 'is_image' => true, 'edit_mode' => !$this->isNew(), 'template' => '<div id="">%file%</div><div id=""><h3 class="">change picture</h3>%input%</div>', )); $this->setValidator['filename'] = new sfValidatorFile(array( 'mime_types' => 'web_images', 'path' => sfConfig::get('sf_upload_dir').'/flash', )); In my action: public function executeIndex( sfWebRequest $request ) { $this->flashContents = $this->page->getFlashContents(); $flash = new FlashContent(); $this->flashForm = new FlashContentForm($flash); $this->processFlashContentForm($request, $this->flashForm); } protected function processFlashContentForm($request, $form) { if ( $form->isSubmitted( $request ) ) { $form->bind( $request->getParameter( $form->getName() ), $request->getFiles( $form->getName() ) ); if ( $form->isValid() ) { $form->save(); $this->getUser()->setFlash( 'notice', $form->isNew() ? 'Added.' : 'Updated.' ); $this->redirect( '@home' ); } } } Before binding my parameters, everything's fine, $request->getFiles($form->getName()) returns my files. But afterwards, $form->getValue('filename') returns the string "Array". Did it happen to any of you guys or do you see anything wrong with my code? Edit: I added the fact that I'm embedding another form, which may be the problem (see Form code above).

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  • Iterating over two dimension array and knowing current position

    - by Nuno Furtado
    I am trying to iterate a multidimension array created with the following line To iterate i'm using the following code visiblematrix= Array.new (10) {Array.new(10){0}} But this doesn't allow me to know the current x,y position while iterating. how can i find it out without resorting to temporary variables visiblematrix.each do |x| x.each do |y| puts y end end

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  • store/load numpy array from binary files

    - by Javier
    Dear all, I would like to store and load numpy arrays from binary files. For that purposes, I created two small functions. Each binary file should contain the dimensionality of the given matrix. def saveArrayToFile(data, fileName): with open(fileName, 'w') as file: a = array.array('f') nSamples, ndim = data.shape a.extend([nSamples, ndim]) # write number of elements and dimensions a.fromstring(data.tostring()) a.tofile(file) def readArrayFromFile(fileName): _featDesc = np.fromfile(fileName, 'f') _ndesc = int(_featDesc[0]) _ndim = int(_featDesc[1]) _featDesc = _featDesc[2:] _featDesc = _featDesc.reshape([_ndesc, _ndim]) return _featDesc, _ndesc, _ndim An example on how to use the functions is: myarr=np.array([[7, 4],[3, 9],[1, 3]]) saveArrayToFile(myarr,'myfile.txt') _featDesc, _ndesc, _ndim = readArrayFromFile('myfile.txt') However, an error message of 'ValueError: total size of new array must be unchanged' is shown. My arrays can be of size MxN and MxM. Any suggestions are more than welcomed. I think the problem might be in the saveArrayToFile function. Best wishes, Javier

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  • PHP REGEX - text to array by preg_split at line break

    - by aSeptik
    Hi All! EDITED: need help on split Array array example: $text = array ( [0] => TEXT1:some normal text TEXT2:some long text here, and so on... sometimes i'm breaking down and... TEXT3:some normal text TEXT4:some normal text [1] => TEXT1:some normal text TEXT2:some long text here, and so on... sometimes i'm breaking down and... TEXT3:some normal text TEXT4:some normal text ) ok, now by using preg_split( '#\n(?!s)#' , $text ); i get [0] => Array ( [0] => some normal text [1] => some long text here, and so on... sometimes [2] => some normal text [3] => some normal text ) As you can see the [1] Element of the Array is cutted off! i want keep this line entirely: some long text here, and so on... sometimes i'm breaking down and... what Regex can get the entire line and also split at line break!?

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  • object array mobile development

    - by mixm
    Im currently creating a tile-based game for android. Using java via dalvik JVM. im fretting over a decision to represent objects in a particular map. should i use an id based map (2 dimensional integer array) and place game logic in a separate function in the game engine, or create an object array (2 dimensional array of game objects) and store game logic within the class methods. i am thinking about the cost of object creation and garbage collection vs extensibility.

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  • PHP Sort Array based on values in another.....

    - by Fearghal
    Need some help regarding array sorting.... I have two arrays. The main one (where the key is the user id) : $user[31] = 'Tom' $user[43] = 'Jane' and another array with the order they should be displayed (where key is the order and value is the user id) : $order[1] = 43 $order[2] = 31 How can I apply the ordering to the main array using the ordering one? Thanks guys!

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  • how to convert byte array to key format??

    - by sebby_zml
    hi everyone, i would like to know how to convert byte array into key. i am doing an AES encryption/decryption. instead of generating a key, i would like to use my generated byte array. byte[] clientCK = Milenage.f3(sharedSecret16, RANDbytes, opc); let say i have a byte array called clientCK, stated above. i want to use it in AES encryption as shown below. Cipher c = Cipher.getInstance("AES"); c.init(Cipher.ENCRYPT_MODE, key); byte[] encValue = c.doFinal(valueToEnc.getBytes()); String encryptedValue = new BASE64Encoder().encode(encValue); therefore, i need to convert that byte array clientCK into key format. please help.

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  • How to store arrays in single array

    - by Jessy
    How can I store arrays in single array? e.g. I have four different arrays, I want to store it in single array int storeAllArray [] and when I call e.g. storeAllArray[1] , I will get this output [11,65,4,3,2,9,7]instead of single elements? int array1 [] = {1,2,3,4,5,100,200,400}; int array2 [] = {2,6,5,7,2,5,10}; int array3 [] = {11,65,4,3,2,9,7}; int array4 [] = {111,33,22,55,77}; int storeAllArray [] = {array1,array2,array3,array2} // I want store all array in on array for (int i=0; i<storeAllArray; i++){ System.out.println(storeAllArray.get[0]); // e.g. will produce --> 1,2,3,4,5,100,200,400 , how can I do this? }

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  • Referencing an Array with Objects in iPhone SDK

    - by user298261
    Hello! I was able to deduce my issue: I'm having problem referencing a string with an object within an array. Here's the code: -(IBAction)checkWord:(id)sender { NSMutableArray *array = [[NSMutableArray alloc] init]; [array addObject:@"BIKE"]; NSString *dudeMan = theWord; if([array containsObject:dudeMan]) { NSLog(@"Awesome!"); } "theWord" is a String object that has been concatenated from 4 letters. It spells "BIKE", and I know this from a NSLog routine further up my code. However, for some reason, even though it spells BIKE, it will not reference correctly with the object within the array. if I change the code to: NSString *dudeMan = @"BIKE"; then the code will work. If it is phrased as: NSString *dudeMan = theWord; Where 'theWord' is BIKE, then the program won't work. Any ideas? Thank you for your help!

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  • Calculate # of Rowspans and Colspans based on keys in a Multi-Array

    - by sologhost
    Ok, I have these 2 types of layouts, basically, it can be any layout really. I have decided to use tables for this, since using div tags cause undesirable results in some possible layout types. Here are 2 pics that describe the returned results of row and column: This would return the $layout array like so: $layout[0][0] $layout[0][1] $layout[1][1] In this layout type: $layout[1][0] is NOT SET, or doesn't exist. Row 1, Column 0 doesn't exist in here. So how can we use this to help us determine the rowspans...? Ok, this layout type would now return the following: $layout[0][0] $layout[0][1] $layout[1][0] $layout[2][0] $layout[2][1] $layout[3][1] Again, there are some that are NOT SET in here: $layout[1][1] $layout[3][0] Ok, I have an array called $layout that does a foreach on the row and column, but it doesn't grab the rows and columns that are NOT SET. So I created a for loop (with the correct counts of how many rows there are and how many columns there are). Here's what I got so far: // $not_set = array(); for($x = 0; $x < $cols; $x++) { $f = 0; for($p = 0; $p < $rows; $p++) { // $f = count($layout[$p]); if(!isset($layout[$p][$x])) { $f++; // It could be a rowspan or a Colspan... // We need to figure out which 1 it is! /* $not_set[] = array( 'row' => $p, 'column' => $x, ); */ } // if ($rows - count($layout[$p])) } } Ok, the $layout array has 2 keys. The first 1 is [ row ] and the 2nd key is [ column ]. Now looping through them all and determining whether it's NOT SET, tells me that either a rowspan or a colspan needs to be put into something somewhere. I'm completely lost here. Basically, I would like to have an array returned here, something like this: $spans['row'][ row # ][ column # ] = Number of rowspans for that <td> element. $spans['column'][ row # ][ column # ] = Number of colspans for that <td> element. It's either going to need a colspan or a rowspan, it will definitely never need both for the same element. Am I going about this whole thing the wrong way? Any help at all would be greatly appreciated!! I've been driving myself crazy with this for days! Pllleaase...

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  • NSString to NSURL objects

    - by user337844
    Hello, I have an array that I populated with my plist file, which looks something like this: <array> <string>http://www.apple.com</string> <string>http://www.google.com</string> <string>http://www.amazon.com</string> </array> So, I'm looking to convert these NSString objects to NSURL objects when I call them in my didSelectRowAtIndexPath method. Any ideas? This is what I have right now: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSInteger row = [indexPath row]; if (self.viewController == nil) { TemplateViewController *details = [[TemplateViewController alloc] initWithNibName:@"TemplateViewController" bundle:nil]; self.viewController = details; [details release]; } NSString *tempURLString = [tieroneurlArray objectAtIndex:row]; NSURL *loadingUrl = [NSURL URLWithString:tempURLString]; [tieroneurlArray addObject:loadingUrl]; viewController.title = [NSString stringWithFormat:@"%@", [tieroneArray objectAtIndex:row]]; [self.viewController setTableURL:[tieroneurlArray objectAtIndex:row]]; TemplateAppAppDelegate *delegate = [[UIApplication sharedApplication] delegate]; [delegate.templateNavController pushViewController:viewController animated:YES]; } And this is how I load the array with the plist: - (void)viewDidLoad { [super viewDidLoad]; NSString *path = [[NSBundle mainBundle] pathForResource:@"tier1Names" ofType:@"plist"]; tieroneArray = [[NSMutableArray alloc] initWithContentsOfFile:path]; NSString *tableURL = [[NSBundle mainBundle] pathForResource:@"tier1URL" ofType:@"plist"]; tieroneurlArray = [[NSMutableArray alloc] initWithContentsOfFile:tableURL]; }

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  • Algorithm for max integer in an array of integers

    - by gagneet
    Explain which algorithm you would use to implement a function that takes an array of integers and returns the maximum integer in the collection, assuming that the length of the array is less than 1000. Would you use Bubble Sort or Merge Sort and Why? Also, what happens to the above algorithm choice, if the array length is greater than 1000?

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  • Sorting Arrays by More the One Value, and Prioritizing the Sort based on Column data.

    - by Mark Tomlin
    I'm looking for a way to sort an array, based on the information in each row, based on the information in certain cells, that I'll call columns. Each row has columns that must be sorted based on the priority of: timetime, lapcount & timestamp. Each column cotains this information: split1, split2, split3, laptime, lapcount, timestamp. laptime if in hundredths of a second. (1:23.45 or 1 Minute, 23 Seconds & 45 Hundredths is 8345.) Lapcount is a simple unsigned tiny int, or unsigned char. timestamp is unix epoch. The lowest laptime should be at the get a better standing in this sort. Should two peoples laptimes equal, then timestamp will be used to give the better standing in this sort. Should two peoples timestamp equal, then the person with less of a lapcount get's the better standing in this sort. By better standing, I mean closer to the top of the array, closer to the index of zero where it a numerical array. I think the array sorting functions built into php can do this with a callback, I was wondering what the best approch was for a weighted sort like this would be.

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  • enclosing double quotes in array

    - by Jared
    Hi all I might be looking at this the wrong way, but I have a form that does its thing (sends emails etc etc) but I also put in some code to make a simple flatfile csv log with some of the user entered details. If a user accidentally puts in for instance 'himynameis","bob' this would either break the csv row (because the quotes weren't encapsulated) or if I use htmlspecialchars() and stripslashes() on the data, I end up with a ugly data value of 'himynameis&quot;,&quot;bob'. My question is, how can I handle the incoming data to cater for '"' being put in the form without breaking my csv file? this is my code for creating the csv log file. @$name = htmlspecialchars(trim($_POST['name'])); @$emailCheck = htmlspecialchars(trim($_POST['email'])); @$title = htmlspecialchars(trim($_POST['title'])); @$phone = htmlspecialchars(trim($_POST['phone'])); function logFile($logText) { $path = 'D:\logs'; $filename = '\Log-' . date('Ym', time()) . '.csv'; $file = $path . $filename; if(!file_exists($file)) { $logHeader = array('Date', 'IP_Address', 'Title', 'Name', 'Customer_Email', 'Customer_Phone', 'file'); $fp = fopen($file, 'a'); fputcsv($fp, $line); } $fp = fopen($file, 'a'); foreach ($logText as $record) { fputcsv($fp, $record); } } //Log submission to file $date = date("Y/m/d H:i:s"); $clientIp = getIpAddress(); //get clients IP address $nameLog = stripslashes($name); $titleLog = stripslashes($title); if($_FILES['uploadedfile']['error'] == 4) $filename = "No file attached."; //check if file uploaded and return $logText = array(array("$date", "$clientIp", "$titleLog", "$nameLog", "$emailCheck", "$phone", "$filename")); logFile($logText); //write form details to log Here is a sample of the incoming array data: Array ( [0] => Array ( [0] => 2010/05/17 10:22:27 [1] => xxx.xxx.xxx.xxx [2] => title [3] => """"himynameis","bob" [4] => [email protected] [5] => 346346 [6] => No file attached. ) ) TIA Jared

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  • accessing array values without square brackets in php

    - by amb
    In php how can I access an array's values without using square brackets around the key? My particular problem is that I want to access the elements of an array returned by a function. Say function(args) returns an array. Why is $var = function(args)[0]; yelling at me about the square brackets? Can I do something like $var = function(args).value(0); or am I missing something very basic?

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  • Custom array class with assotiated objects

    - by FancyDancy
    I have a simple structure, it's just an array of model's objects. For example, it's a users with books. @books = Book.find(:all, :include = :users) I need to check, does user have a book? I have written a helper method: def has_book?(user_id) @books.select{|b| b.user_id == user_id}.any? end Then, i need to get only books from selected library def in_library(n) @books.select{|b| b.library == n} end I have tried to make custom Array class: class BooksList < Array def initialize(books) self << books end # its my custom methods def has_book?(user_id) self.select{|b| b.user_id == user_id}.any? end def in_library(n) self.select{|b| b.library == n} end end It works, but i have only one problem. I can't access Book's assotiated object (user). So i can't write: @books = BookList.new(Book.find(:all, :include => :users)) @books.first.user.id # it says undefined method `user' for #<Array:0x104b43e08>

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  • Android programmatically add buttons to layout from string array

    - by Luke Batley
    Does anyone know how to programatically add buttons to the layout from an array? I have an array of titles and icons that i have used for a list view and now i'm wanting to reuse the same arrays to create a layout as displayed here so the layout adds a button for each item in the array and arranges them in 3's according to device width. is this possible to do? I have tried using a custom Array Adapter to generate the Grid but getting a null pointer error at the point menuGrid = (GridView) findViewById(R.id.gridView1); MenuItemsSetup menuData[] = new MenuItemsSetup[] { new MenuItemsSetup(R.drawable.ic_menu_icon1, "menuItem1"), new MenuItemsSetup(R.drawable.ic_menu_icon2, "menuItem2"), new MenuItemsSetup(R.drawable.ic_menu_icon3, "menuItem3"), new MenuItemsSetup(R.drawable.ic_menu_icon4, "menuItem4"), new MenuItemsSetup(R.drawable.ic_menu_icon5, "menuItem5"), new MenuItemsSetup(R.drawable.ic_menu_icon6, "menuItem6"), new MenuItemsSetup(R.drawable.ic_menu_icon7, "menuItem7"), new MenuItemsSetup(R.drawable.ic_menu_icon8, "menuItem8") }; String[] menuBgColours = {"#FFFFFF","#FFFFFF", ,"#888888", "#FFFFBB", "#BBFFFF","#000000", "#666666"}; CustomArrayAdapter adapter = new CustomArrayAdapter(this, R.layout.drawer_list_item, menuData, menuBgColours); menuList.setAdapter(adapter); menuGrid.setAdapter(adapter);

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  • Compact a given array problem

    - by Bragaadeesh
    Dont know whether this is a duplicate, but this was an interview question asked to me. Given an array of random numbers and -1 placed inbetween, I have to compact the array meaning all the -1s are to be replaced and the final output should be the last valid index with the fresh array. For example. Input: 3 4 -1 -1 -1 5 8 -1 8 Output: 3 4 5 8 8 5 8 -1 8 and last valid index is 4 Input: -1 -1 -1 -1 -1 2 Output: 2 -1 -1 -1 -1 2 and last valid index is 0 Input: -1 -1 -1 3 3 3 Output: 3 3 3 3 3 3 and last valid index is 2 You should not swap the values just the last valid index along with the array is enough to decipher the non negative values.

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  • PHP Convert C# Hex Blob Hexadecimal String back to Byte Array prior to decryption

    - by PolishHurricane
    I have a piece of data that I am receiving in hexadecimal string format, example: "65E0C8DEB69EA114567954". It was made this way in C# by converting a byte array to a hexadecimal string. However, I am using PHP to read this string and need to temporarily convert this back to the byte array. If it matters, I will be decrypting this byte array, then reconverting it to unencrypted hexadecimal and or plaintext, but I will figure that out later. So the question is, how do I convert a string like the above back to an encoded byte array/ blob in PHP? Thanks!

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