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  • How do I convert a number (as a String) to an array of bytes in Java?

    - by user1795595
    I'm creating a method specific method for a java project i'm working on. The UML given specifies the return type to be of static byte[] that accepts the arguments (String, byte) So far, looks like this: public static byte[] convertNumToDigitArray(String number, byte numDigits) { } This method is supposed to convert a number (as a String) to an array of bytes. The ordering must go from most to least significant digits. For example, if the number String is “732” then index 0 of the array should contain 7. The last argument (numDigits) should match the length of the string passed in. How do I do this?

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  • Children going out of parent element

    - by Thomas
    http://jsfiddle.net/zP49Z/ As you can see, the children [update] are going out of the parent element [feeds]. How can I fix this? #updates { background: #B8C1C2; box-shadow: inset 0 0 5px; height: 100%; float: right; position: fixed; top: 0; right: 0; z-index: 100; overflow: auto; } #feeds { width: auto; height: 300px; } .update { border-bottom: 1px solid #929493; width: auto; height: auto; padding-bottom: 20px; margin-top: 10px; } Thanks!

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  • Flash Builder 'building' html files...

    - by Frank
    I'm using Flash Builder 3 to edit my Flex app, but I noticed that every time I make a change on the .html files (index.template.html for example), even if it's not in the IDE but with another program, Flash Builder rebuilds the whole project. Is there anyway to stop this? Why would it need to rebuild the workspace everytime a html file changes? If it was too long it wouldn't bother me, but it takes a lot of time (more than 1 minute) every time. For your information the html file is 95 lines of 'code'. Thanks

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  • Play 2.0 framework - POST parameters

    - by user1452715
    I'm trying to POST parameters to Action, and wrote in the routes: Home page GET / controllers.Application.index() POST /login/name:/password: controllers.Application.login(name, password) and I have an Action public static Result login(String name, String password) { return ok(name + " " + password); } my form is <form action="/login" method="post"> <input name="name" type="text" id="name"> <input name="password" type="password" id="password"> <input type="submit" value="Login"> </form> and it doesn't work For request 'POST /login' [Missing parameter: name] what am i doing wrong?

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  • link_to syntax with rails3 (link_to_remote) and basic javascript not working in a rails3 app?

    - by z3cko
    i am wondering if the basic link_to syntax is completely broken in current rails3 master or if i am doing some wrong syntax here. = link_to "name", nil, :onlick => "alert('Hello world!');" should actually produce an alert on click. very simple. does not work on my rails3 project! (also no error output!) any ideas? for the general link_to syntax i could not find an example where i could combine a link_to_remote with a confirmation, remote and html class (see my try below) = link_to "delete", {:action => "destroy", :remote => true, :method => :delete, :confirm => "#{a.title} wirklich L&ouml;schen?" }, :class => "trash" even the rails3 api does not help me here: http://rails3api.s3.amazonaws.com/index.html help!

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  • Dropdown menu getting hidden by images

    - by Bob
    I have a set of dropdown menus across the top of a web page. Below is text and some images. When I hover over the top of each menu the menu then expands below as expected but while it overlaps any text on the page it is hidden behind any images. I set the z-index to 9999 and the position is set to absolute. I found if I lower the opacity of the images to say 0.6 then the menu will overlap it. So one solution would be to detect when the menu is being hovered over and then in JavaScript or JQuery temporarily reduce the opacity of the rest of the page until the cursor moves off the menu. If so I'm not sure how to do that but is that the best approach?

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  • Why does a non-constant offsetof expression work?

    - by Chris J. Kiick
    Why does this work: #include <sys/types.h> #include <stdio.h> #include <stddef.h> typedef struct x { int a; int b[128]; } x_t; int function(int i) { size_t a; a = offsetof(x_t, b[i]); return a; } int main(int argc, char **argv) { printf("%d\n", function(atoi(argv[1]))); } If I remember the definition of offsetof correctly, it's a compile time construct. Using 'i' as the array index results in a non-constant expression. I don't understand how the compiler can evaluate the expression at compile time. Why isn't this flagged as an error?

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  • PHP setcookie warning

    - by Ranking
    Hello guys, I have a problem with 'setcookie' in PHP and I can't solve it. so I receive this error "Warning: Cannot modify header information - headers already sent by (output started at C:\Program Files\VertrigoServ\www\vote.php:14) in C:\Program Files\VertrigoServ\www\vote.php on line 86" and here is the file.. line 86 is setcookie ($cookie_name, 1, time()+86400, '/', '', 0); is there any other way to do this ?? <html> <head> <title>Ranking</title> <link href="style.css" rel="stylesheet" type="text/css"> </head> <body bgcolor="#EEF0FF"> <div align="center"> <br/> <div align="center"><div id="header"></div></div> <br/> <table width="800" border="0" align="center" cellpadding="5" cellspacing="0" class="mid-table"> <tr><td height="5"> <center> <table border="0" cellpadding="0" cellspacing="0" align="center" style="padding-top:5px;"> <tr> <td align="center" valign="top"><img src="images/ads/top_banner.png"></td> </tr> </table> </center> </td></tr> <tr><td height="5"></td></tr> </table> <br/> <?php include "conf.php"; $id = $_GET['id']; if (!isset($_POST['submitted'])) { if (isset($_GET['id']) && is_numeric($_GET['id'])) { $id = mysql_real_escape_string($_GET['id']); $query = mysql_query("SELECT SQL_CACHE id, name FROM s_servers WHERE id = $id"); $row = mysql_fetch_assoc($query); ?> <form action="" method="POST"> <table width="800" height="106" border="0" align="center" cellpadding="3" cellspacing="0" class="mid-table"> <tr><td><div align="center"> <p>Code: <input type="text" name="kod" class="port" /><img src="img.php" id="captcha2" alt="" /><a href="javascript:void(0);" onclick="document.getElementById('captcha2').src = document.getElementById('captcha2').src + '?' + (new Date()).getMilliseconds()">Refresh</a></p><br /> <p><input type="submit" class="vote-button" name="vote" value="Vote for <?php echo $row['name']; ?>" /></p> <input type="hidden" name="submitted" value="TRUE" /> <input type="hidden" name="id" value="<?php echo $row['id']; ?>" /> </div></td></tr> <tr><td align="center" valign="top"><img src="images/ads/top_banner.png"></td></tr> </table> </form> <?php } else { echo '<font color="red">You must select a valid server to vote for it!</font>'; } } else { $kod=$_POST['kod']; if($kod!=$_COOKIE[imgcodepage]) { echo "The code does not match"; } else { $id = mysql_real_escape_string($_POST['id']); $query = "SELECT SQL_CACHE id, votes FROM s_servers WHERE id = $id"; $result = mysql_query($query) OR die(mysql_error()); $row = mysql_fetch_array($result, MYSQL_ASSOC); $votes = $row['votes']; $id = $row['id']; $cookie_name = 'vote_'.$id; $ip = $_SERVER['REMOTE_ADDR']; $ltime = mysql_fetch_assoc(mysql_query("SELECT SQL_CACHE `time` FROM `s_votes` WHERE `sid`='$id' AND `ip`='$ip'")); $ltime = $ltime['time'] + 86400; $time = time(); if (isset($_COOKIE['vote_'.$id]) OR $ltime > $time) { echo 'You have already voted in last 24 hours! Your vote is not recorded.'; } else { $votes++; $query = "UPDATE s_servers SET votes = $votes WHERE id = $id"; $time = time(); $query2 = mysql_query("INSERT INTO `s_votes` (`ip`, `time`, `sid`) VALUES ('$ip', '$time', '$id')"); $result = mysql_query($query) OR die(mysql_error()); setcookie ($cookie_name, 1, time()+86400, '/', '', 0); } } } ?> <p><a href="index.php">[Click here if you don't want to vote]</a></p><br/> <p><a href="index.php">Ranking.net</a> &copy; 2010-2011<br> </p> </div> </body> </html> Thanks a lot!

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  • How do I create a no-javascript url hash handler for my website?

    - by Kenny Bones
    Ok, I'm not sure how this is normally done. But I've got a script that basically empties a div of content and then loads content from a div from a separate webpage, without reloading the current page. This works great. It's taken from this example actually, from net tuts (great site btw) http://nettuts.s3.amazonaws.com/011_jQuerySite/sample/index.html And the guy who wrote this even though about handling the url's since the url don't change when using his method. So he wrote a javascript snippet that looks up the url and loads the content accoringly. Which is not working btw. But I was thinking about people who don't have javascript enabled, or iPhone and iPad users ;) Copying URLs and sending to a friend won't work at all. So how is this typically done? And can it be done without javascript? Possibly by php?

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  • Software buttons in the android 4.2 emulator not showing up (tablet)

    - by The_Unknown
    I'm getting crazy right now. I just installed the latest android adt bundle from http://developer.android.com/sdk/index.html. It's version v21.0.0. Now I wanted to test my tablet app (designed for 10.1" xlarge mdpi) in the emulator, but I cannot get any software buttons for home/back/... Here's my device configuration. This config is afterwards assigned to the avd. http://i.stack.imgur.com/Q7xvP.png Hardware-buttons don't work as well (you cannot set hardware buttons in a tablet-like emulator). The target api is level 15 (android 4.0.3). I searched stackoverflow, but didn't find any help concerning the latest version of android. Since time's running away a little, any quick help would be great! Thanks in advance. Bye The_Unknown

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  • Help with implementing a function to change size of dynamic array

    - by iRobot
    I'm trying to write a function that will change the size of a dynamic array to a new size. In my header file, I have: Image **images; //pointer to a dynamic array of image pointers int maximum; //size I want to do this by allocating a new array and copying the values over without changing their indices. If there are non-null pointers outside the range newmax, then we cant do this. So heres what I have: There are no compilation or runtime errors. However, I find that the new array isnt getting sized right. When I run the following test case: I should get an index out of bounds error, but instead the system lets it slide. Can anyone see the mistake? I've looked for hours but cant find anything.

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  • Pagination, next page doesn`t display

    - by user1738013
    if I click page 2 that`s error: Not Found The requested URL /rank/GetAll/30 was not found on this server. My link is: http://localhost/rank/GetAll/30 Model: Rank_Model <?php Class Rank_Model extends CI_Model { public function __construct() { parent::__construct(); } public function record_count() { return $this->db->count_all("ranking"); } public function fifa_rank($limit, $start) { $this->db->limit($limit, $start); $query = $this->db->get("ranking"); if ($query->num_rows() > 0) { foreach ($query->result() as $row) { $data[] = $row; } return $data; } return false; } } ?> Controller: Rank <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); class rank extends CI_Controller { function __construct() { parent::__construct(); $this->load->helper("url"); $this->load->helper(array('form', 'url')); $this->load->model('Rank_Model','',TRUE); $this->load->library("pagination"); } function GetAll() { $config = array(); $config["base_url"] = base_url() . "rank/GetAll"; $config["total_rows"] = $this->Rank_Model->record_count(); $config["per_page"] = 30; $config["uri_segment"] = 3; $this->pagination->initialize($config); $page = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0; $data["results"] = $this->Rank_Model->fifa_rank($config["per_page"], $page); $data['errors_login'] = array(); $data["links"] = $this->pagination->create_links(); $this->load->view('left_column/open_fifa_rank',$data); } } View Open: open_fifa_rank <?php $this->load->view('mains/header'); $this->load->view('login/loggin'); $this->load->view('mains/menu'); $this->load->view('left_column/left_column_before'); $this->load->view('left_column/menu_left'); $this->load->view('left_column/left_column'); $this->load->view('center/center_column_before'); $this->load->view('left_column/fifa_rank'); $this->load->view('center/center_column'); $this->load->view('right_column/right_column_before'); $this->load->view('login/zaloguj'); $this->load->view('right_column/right_column'); $this->load->view('mains/footer'); ?> and View: fifa_rank <table> <thead> <tr> <td>Pozycja</td> <td>Kraj</td> <td>Punkty</td> <td>Zmiana</td> </tr> </thead> <?php foreach($results as $data) {?&gt; <tbody> <tr> <td><?php print $data->pozycja;?></td> <td><?php print $data->kraj;?></td> <td><?php print $data->punkty;?></td> <td><?php print $data->zmiana;?></td> </tr> <?php } ?> </tbody> </table> <p><?php echo $links; ?></p> Maybe you know where is my problem? Now I know where is my problem. In first page I have link: http://localhost/index.php/rank/GetAll But on the next: http://localhost/rank/GetAll/30 In secend link, I don`t have index.php. How can I fix it?

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  • How would I best make this SEO_able?

    - by alex
    I have a search engine that searches albums. For each music album, I have a page. So, the work flow goes like this: People search for music titles The search engine displays a list of albums. People click on an album to go to a details page. I want google to index my front page and the details page. I want the details page to be highly ranked. How can I build a sitemap for this? By the way, I have about 5 million albums (but I want the top 1000 ones to be highly ranked on google)

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  • jQuery is only returning first item

    - by Andy
    For some strange reason, whenever I have a selector and expect to get multiple items, jQuery is only returning the first item, instead of the entire collection. This is the HTML I have: <a id="reply-424880" class="reply" href="#" rel="nofollow">Reply</a> <a id="reply-424885" class="reply" href="#" rel="nofollow">Reply</a> And the selector: $('.reply').unbind('click').click(function(event) { ... } I have tried debugging using FireBug, and still get the same results. Using the work around I can get it to work: $('a').each(function (index, element) { if ($(element).attr('class') == 'reply') { $(this).unbind('click').click(function(event) { ... }); } }); I would like to use the built-in functionality instead of my work around. Any idea why only the first element would be returned?

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  • 7 - drupal overriding theme fucntions gettting notices

    - by welovedesign
    So I am overriding a theme function by putting the contents in my template.php module, the problem is that it it throwing up loads of undefined index notices because there are lots of functions that are defined in the module. How can I define these in the template.php file and prevent the notices. Note: I know i can turn them off 'uc_cart_block_content' => array( 'variables' => array( 'help_text' => NULL, 'items' => NULL, 'item_count' => NULL, 'item_text' => NULL, 'total' => NULL, 'summary_links' => NULL, 'collapsed' => TRUE, ), 'file' => 'uc_cart.theme.inc', ),

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  • Weird error: [Semantical Error] line 0, col 75 near 'submit': Error: 'submit' is not defined.

    - by luxury
    My controller like: /** * @Route("/product/submit", name="product_submit") * @Template("GaorenVendorsBundle:Product:index.html.twig") */ public function submitAction() { $em = $this->getDoctrine()->getManager(); $uid = $this->getUser()->getId(); $em->getRepository( 'GaorenVendorsBundle:Product' )->updateStatus( $uid, Product::STATUS_FREE, Product::STATUS_PENDING ); return $this->redirect( $this->generateUrl( 'product' ) ); } and the repo like: class ProductRepository extends EntityRepository { public function updateStatus($uid, $status, $setter) { $st = $this->getEntityManager()->getRepository( 'GaorenVendorsBundle:Product' ) ->createQueryBuilder( 'p' ) ->update( 'GaorenVendorsBundle:Product', 'p' ) ->set( 'p.status', ':setter' ) ->where( 'p.status= :status AND p.user= :user' ) ->setParameters( array( 'user' => $uid, 'status' => $status, 'setter' => $setter ) ) ->getQuery() ->execute() return $st; } when request the "submit" action, it prompts me "[Semantical Error] line 0, col 75 near 'submit': Error: 'submit' is not defined. ". "submit" is nothing to do with DOCTRINE orm query, why it appears in the error? I just can't figure out.Anyone could tell me?

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  • How to choose programaticaly the column to be queried by Linq using PropertyInfo???

    - by Richard77
    Hello, I would like to control how linq querries my database programaticaly. For instance, I'd like to query the column X, column Y, or column Z, depending on some conditions. First of all, I've created an array of all the properties inside my class called myPropertyInfo. Type MyType = (typeOf(MyClass)); PropertyInfo[] myPropertyInfo = myType.GetProperties( BindingFlags.Public|BindingFlags.Instance); The myPropertyInfo array allows me to access each property details (Name, propertyType, etc) through the index*[i]* Now, how can I use the above information to control how linq queries my DB? Here's a sample of a querry I'd like to exploit. var myVar = from tp in db.MyClass select tp.{expression}; Expression using myPropertyInfo[i] to choose which property(column) to query. I'm not sure if that's the way of doing it, but if there's another way to do so, I'll be glad to learn. Thanks for helping.

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  • Replacing characters in Ruby string according to some rule

    - by Kyle Kaitan
    In Ruby, I have a string of identical characters -- let's say they're all exclamation points, as in !!!!. I would like to replace the characters at certain indices with '*' if the integer corresponding to that index meets some criteria. For example, let's say I want to replace all the characters whose indices are even numbers and are greater than 3. In the string !!!!!!!! (8 characters long), that results in !!!!*!*! (indices 4 and 6 have been replaced). What's the most compact way to do this?

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  • php vs python django or something else for CMS module

    - by Michael
    We're looking to develop a CMS module for our website and I need some help in choosing the language/framework for this project. Basically we need to develop a "help' module like this one from ebay http://pages.ebay.com/help/index.html which will contain a lot of static pages with nice URLs for SEO. The application must run fast using low computer resources. We have been looking to use php on a custom made mvc framework but we received advice from other sources that py/django is the exactly language/framework that we need in terms of maintainability and development speed because it was developed for exactly this kind of projects so I need an expert advice on this matter with pro and cons for each choice.

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  • Lucene boost: I need to make it work better

    - by zvikico
    I'm using Lucene to index components with names and types. Some components are more important, thus, get a bigger boost. However, I cannot get my boost to work properly. I sill get some components appear later (get worse score), even though they have a higher boost. Note that the indexing is done on one field only and I've set the boost to that field alone. I'm using Lucene in Java. I don't think it has anything to do with the field length. I've seen components with the same name (but different type) get the wrong score.

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  • Sphinx without using an auto_increment id

    - by squeeks
    I am current in planning on creating a big database (2+ million rows) with a variety of data from separate sources. I would like to avoid structuring the database around auto_increment ids to help prevent against sync issues with replication, and also because each item inserted will have a alphanumeric product code that is guaranteed to be unique - it seems to me more sense to use that instead. I am looking at a search engine to index this database with Sphinx looking rather appealing due to its design around indexing relational databases. However, looking at various tutorials and documentation seems to show database designs being dependent on an auto_increment field in one form or another and a rather bold statement in the documentation saying that document ids must be 32/64bit integers only or things break. Is there a way to have a database indexed by Sphinx without auto_increment fields as the id?

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  • Within headers, images with alt text vs. text

    - by Court
    Do search engines treat the alt text of an image placed within an h1 tag the same way they would treat regular text placed in an h1 tag? I gave a search through here looking for an answer to this question, but was only able to find information on image replacement and the infamous h1 debate. For example would: <h1><img src="#" alt="Contact Us" /></h1> Act the same as: <h1>Contact Us</h1> In the electronic eye of a search engine? This seems considerably less "CSS Hacky" than other image replacement techniques like negative text indents, display:none, height:0, or ridiculous z-index integers.

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  • deleting files in javascript

    - by sasori
    is it possible to delete a file(s) inside the directory by just using javascript ?. what I currently have is, an index.php which displays the name of the files in the same directory and and a checkbox to each file name and at the bottom is a delete button. what I want to happen is, delete all the selected checkboxes once the delete button is clicked. I am not using mysql here, just a plain php file that displays the names. can someone show me how to delete the selected files using javascript ?

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  • The data structure of libev watchers

    - by changchang
    Libev uses three data structures to storage different watchers. Heap: for watchers that sorted by time, such as ev_timer and ev_periodic. Linked list: such as ev_io, ev_signal, ev_child and etc. Array: such as ev_prepare, ev_check, ev_async and etc. There is no doubt about that uses heap to store timer watcher. But what is the criteria of selecting linked list and array? The data structure that stores ev_io watchers seems a little complex. It first is an array that with fd as its index and the element in the array is a linked list of ev_io watcher. It is more convenient to allocate space for array if use linked list as element. Is it the reason? Or just because of the insert or remove operation of ev_io is more frequently and the ev_prepare seems more stable? Or any other reasons?

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