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  • Handling JSON and HTML templates in jQuery

    - by Toby Hede
    I have an ajax-enabled site that presents a lot of dynamic content by interpolating JSON values with HTML. This all works fine. BUT it means I have significant amounts of HTML all through my JavaScript. For example: var template = "<div>Foo: {bar}</div><div>Blah: {vtha}</div>"; template.interpolate({bar:"bar",blah:"vtha"}); I have cut this down a fair bit - some of my dynamic elements have quite a lot of HTML and a lot going on. I am using jQuery and I am building on Rails, so if there is something smart in either framework, that would be great. For reference, the String interpolation function used above is: String.prototype.interpolate = function (o) { return this.replace(/{([^{}]*)}/g, function (a, b) { var r = o[b]; return typeof r === 'string' || typeof r === 'number' ? r : a; } ); };

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  • Why is url not registered?(Drupal 6.x)

    - by Andrew
    I'm using hook_menu to register new url so that accessing this url would return some data to ajax function. As title suggested, this url is not registered. How do I know that? I've tried typing this in address bar but, drupal, return main template only rather than the tests string that I created. I'm positive that my module is working for php issues error if I intentionally write wrong syntax. And, yes, I clear cache whenever I make changes. Here's the code - function test_menu() { $my_form['test'] = array( 'title' => 'Test address', 'page callback' => 'test', 'access arguments' => array('access content'), 'type' => MENU_CALLBACK, ); return $my_form; } function test(){ $a= "testing"; return $a; }

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  • How to use jQuery to make a call to c# file to get return value

    - by aspdotnetuser
    Hi, I want to use jQuery to make a call to a c# web service called CheckUserName.ashx which checks whether that username is valid and returns an error message as a string. How can I use to jQuery to do this? Would the code be something like the following? jQuery.ajax({ type: "GET", url: "/services/VerifyUsername.ashx", data: "ErrorMessage", success: function (msg) { alert("success"); }, error: function (msg, text) { alert(text); } }); }); Any help will be appreciated! Thanks,

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  • Back Button gets Disabled on IE 7,8 for an ASP.NET site

    - by timeitquery
    In an ASP.NET 3.5 website we are noticing that the back button is not working properly. If the user does several postbacks (say 10 times), and than starts pressing back button - the back button gets disabled before the user gets through all the pages. The site does not use AJAX.net. I can reproduce the issue on IE 7 and 8 almost always. The problem seems to be with some sort of limit IE has on History Cache for a given tab/instance. In the tests I did the post request to the server are large - around 83k, and the responses are are round 300k. It seems that with these request sizes the history does not hold more than 4 items. The moment I get to the 5 post, the first item i had selected is dropped.

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  • Pagination links do not work after first page

    - by TheStack
    Hello, I am trying to fix this pagination script. It seems when I click on the pagination links [1][2][3][4]or[5] , it doesn't work. It just shows the first page and when clicking on the next numbers nothing happens. I hoping someone can see something in the script that I can not see. The main page looks like this (pagination.php): <?php include_once('generate_pagination.php'); ?> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script> <script type="text/javascript" src="jquery_pagination.js"></script> <div id="loading" ></div> <div id="content" data-page="1"></div> <ul id="pagination"> <?php generate_pagination() ?> </ul> <br /> <br /> <a href="#" class="category" id="marketing">Marketing</a> <a href="#" class="category" id="automotive">Automotive</a> <a href="#" class="category" id="sports">Sports</a> Then, generate_pagination.php: <?php function generate_pagination($sql) { include_once('config.php'); $per_page = 3; //Calculating no of pages $result = mysql_query($sql); $count = mysql_fetch_row($result); $pages = ceil($count[0]/$per_page); //Pagination Numbers for($i=1; $i<=$pages; $i++) { echo '<li class="page_numbers" id="'.$i.'">'.$i.'</li>'; } } $ids=$_GET['ids']; generate_pagination("SELECT COUNT(*) FROM explore WHERE category='$ids'"); ?> Here is the jquery file (jquery_pagination.js): $(document).ready(function(){ //Display Loading Image function Display_Load() { $("#loading").fadeIn(900,0); $("#loading").html("<img src='bigLoader.gif' />"); } //Hide Loading Image function Hide_Load() { $("#loading").fadeOut('slow'); }; //Default Starting Page Results $("#pagination li:first").css({'color' : '#FF0084'}).css({'border' : 'none'}); Display_Load(); $("#content").load("pagination_data.php?page=1", Hide_Load()); //Pagination Click $("#pagination li").click(function(){ Display_Load(); //CSS Styles $("#pagination li") .css({'border' : 'solid #dddddd 1px'}) .css({'color' : '#0063DC'}); $(this) .css({'color' : '#FF0084'}) .css({'border' : 'none'}); //Loading Data var pageNum = this.id; $("#content").load("pagination_data.php?page=" + pageNum, function(){ Hide_Load(); $(this).attr('data-page', pageNum); }); }); // Editing below. // Sort content Marketing $("a.category").click(function() { Display_Load(); var this_id = $(this).attr('id'); $.get("pagination.php", { category: this.id }, function(data){ //Load your results into the page var pageNum = $('#content').attr('data-page'); $("#pagination").load('generate_pagination.php?category=' + pageNum +'&ids='+ this_id ); $("#content").load("filter_marketing.php?page=" + pageNum +'&id='+ this_id, Hide_Load()); }); }); }); Lastly, filter_marketing.php (when a user clicks the filter link buttons): <?php include('config.php'); $per_page = 3; if(count($_GET)>0) { if($_GET['page']!=''){ $page=$_GET['page']; } if($_GET['id']!=''){ $id=$_GET['id']; } } $page= ($_GET['page']!='') ? $_GET['page']: false; $id= ($_GET['id']!='') ? $_GET['id']: false; $start = ($page-1)*$per_page; if($page && $id){ $sql = "SELECT * FROM explore WHERE category='$id' ORDER BY category LIMIT $start,$per_page"; } else { die('Error: missing parameters. Id= '.$id.' and page= '.$page); } $result = mysql_query($sql); ?> <table width="800px"> <?php while($row = mysql_fetch_array($result)) { $msg_id=$row['id']; $message=$row['site_description']; $site_price=$row['site_price']; ?> <tr> <td><?php echo $msg_id; ?></td> <td><?php echo $message; ?></td> <td><?php echo $site_price; ?></td> </tr> <?php } ?> </table> So, if anyone sees where the problem is occurring and can help rid of the problem, that would be great, Thank you.

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  • Asynchrous calls cause StaleObjectStateException

    - by Mulone
    Hi all, I'm struggling with a Grails service. The service gets AJAX calls from the clients and behaves like a simple local cache for remote objects: void **someCallFromClient**() { // extract params def results = remoteService.queryService(params) results.each{ // try to fetch result object from local DB def obj = SomeClass.findBySomeField(result.someField) if (!obj){ obj = new Result(params) obj.save() } // do stuff on obj } } The service works fine when only one client is connected, but as soon as 2 or more clients start bombing the server with requests, I start getting: 2010-05-24 13:09:49,764 [30893094@qtp-26315919-2] ERROR errors.GrailsExceptionResolver - Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [ some object #892901] org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [ some object #892901] // very long stactrace It probably happens when 2 calls are trying to create the same object concurrently. I suppose this is a rather typical situation to end up in. Could you recommend any pattern/good practice to fix this issue? For example, is there a way to say to one of the service instances to hang on and wait for the other to finish its stuff and try again? Cheers!

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  • Prevent auto scrolling when clicking tab anchor

    - by JohnCrossy
    On my page I have some tabs that I've added some javascript so when they're clicked the page loads the tab's anchor URL instead of simply changing the view with AJAX, but I now want to stop the browser from auto scrolling to the anchor location. Having done some research, I'm pretty sure I just need to add a couple of lines so that when clicked it returns false or prevents default but, being a noob, I've no idea where to put them!?! I know it's cheeky, but if any answers could include the full script (ie. the below) with the solution, that way I'll understand better and hopefully learn some valuable lessons also :) Here's the code I'm using: jQuery( function() { jQuery('.ui-tabs').bind( 'tabsselect', function( e, ui ) { window.location.hash = ui.tab.hash }); });

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  • Should we bother about IE < 8?

    - by Misiur
    Hi there. It might look like philosophical question, however it really bother me. We're expecting HTML 5, we're using JS, Ajax, Flex, all this stuff, but when older browsers were devleoped, nooone even dreamed about such technologies. IE6 can't see transparency in PNG's. Some correct W3C techniques, are bad interpreted by IE6. It's just too old for our "new" world. IE7 is sight better better than IE6, but it still has some weird errors. How many people use IE6 now? And if someone upgraded to IE7, doesn't he already upgraded to IE8? Should we bother about those browsers? (sorry for bad eng, but noone in my country answered me to this)

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  • Exploring search options for PHP

    - by Joshua
    I have innoDB table using numerous foreign keys, but we just want to look up some basic info out of it. I've done some research but still lost. 1) How can I tell if my host has Sphinx installed already? I don't see it as an option for table storage method (i.e. innodb, myisam). 2) Zend_Search_Lucene, responsive enough for AJAX functionality of millions of records? 3) Mirror my innoDB with a myisam? Make every innodb transaction end with a write to the myisam, then use 1:1 lookups? How would I do this automagically? This should make MyISAM ACID-compliant and free(er) from corruption no? 4) PostgreSQL fulltext queries don't even look like SQL to me wtf, I don't have time to learn a new SQL syntax I need noob options 5) ???????????????????? This is high volume site on a decently-equipped VPS Thanks very much for any ideas.

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  • Passing javascript form variables into jQuery function not working

    - by Chase
    I am trying to pass some JavaScript variables that I have assigned to form variables into a query string used by a jQuery plug in called fancybox. If I hard code in the string that I want lightbox works great, however I need it to pass some form values in there to make it work as desire. <script type="text/javascript"> $(document).ready(function(){ var item = document.itemFinder.item; var zip = document.itemFinder.zip; var radius = document.itemFinder.radius; var dataString = "item=" + item + "&zip=" + zip + "&radius=" + radius; $("#various3").fancybox({ ajax : { type : "POST", data : dataString}, 'scrolling' : 'auto', 'overlayOpacity' : '0' } ); }); </script> What am I doing wrong?

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  • Google maps z-index problem in IE

    - by Bas van de Lustgraaf
    I'm loading my google maps into div class="extra" style="display: none;" /. As soon as the AJAX request is complete, the map_canvas div is placed inside the hidden div and the hidden div will be vissible with the toggleDown jquery effect. In FF it's working perfect, but in IE the Google maps (map_canvas div) is already visible before the toggleDown effect is started. I think the z-index and the relative position of the map_canvas div wich is loaded into the hidden div will place the map_canvas div on top of the hidden div. What do i have to change to make sure the map_canvas div is not on top of the hidden div? While toggleDown in FF: http:// img169.imageshack.us/img169/9274/50485429.jpg While toggleDown in IE: http://img188.imageshack.us/img188/2110/93959677.jpg

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  • No download dialog with FileResult

    - by majkinetor
    I am returning File result from action triggered by the form post event. I can't get download dialog. Instead, if I use: return File(Encoding.UTF8.GetBytes(reportPath), "text/plain", "Report.csv"); I get path to the file upon ajax execution in the target div. When I use return File(reportPath, "text/plain", "Report.csv"); I get content of the file in the target div. Any thoughts ? The action is declared as [HttpPost] public virtual ActionResult ExportFilter(Model model) { string outputFile = CreateReport(model); return File(....) }

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  • Browser extensions to re-render the page using an updated version of my CSS file, without reloading the page itself

    - by Eduardo León
    I want to learn Web UI design. (I know, I know. Being a programmer puts me at a disadvantage. But I want to try anyway.) Thus, I would like to "debug" my CSS files. Once of the biggest annoyances I have found is that I cannot test a change in my CSS files without reloading the whole page. Sometimes, the page is too big. Sometimes, a lot of elements were brought to the page after lots of clicks, because my pages rely too heavily on AJAX. Sometimes, I just hate hitting Command+R all the time. Is there any extension for any of the major browsers (preferably Safari and/or Chrome) that re-renders the page using an updated version of the CSS file, without reloading the whole page itself?

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  • silverlight vs ASP.NET MVC

    - by magellings
    I'm debating whether to use Silverlight 2.0 vs ASP.NET MVC for a web application. The web application will be a subscription free service marketing all age groups. It's important the source is highly testable, but also with the Web 2.0 movement a graphical web application is important as well for competitive reasons. I'm assuming silverlight is better than the ajax helpers/MVC graphically, but foundation-wise testing is better/easier with MVC. Possibly an MVP pattern with Silverlight could increase the testability of the source. Could anyone elaborate on the pros/cons of each technology and recommend one or the other based on the above? (addition 9/22/08) In regards to allowing search engines to index the site, using either technology it will utilize a backend database whereas a lot of the content will be dynamically generated. Based on some of the comments, when we talk of the searchable content would the home page of the application if written in silverlight be searchable? Would I be able to get the site to appear in a google search?

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  • Recommed html element theme engine for ASP.NET ?

    - by TatMing
    Sorry about my bad english, i am chinese live in HongKong* Is it any theme or css framework can apply to ASP.NET? I work with ASP.NET webform, everybody known web controls generate pure html to work. But i am not good at graphic design, so i want to find some UI helper. I already work with jQuery and Ajax Controll Tookit,but it not much help to make a modern UI design. I have found some commercial library like ComponentArt,DevExpress etc, but is it any free or opensource i can use?

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  • How to return Json from WCF Service?

    - by Zinoo
    Hi, I have the piece of code below of a template Ajax enabled WCF service. What can i do to make it return JSon instead of XML? thanks. using System; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.ServiceModel.Activation; [ServiceContract(Namespace = "WCFServiceEight")] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class CostService { // Add [WebGet] attribute to use HTTP GET [OperationContract] [WebGet] public double CostOfSandwiches(int quantity) { return 1.25 * quantity; } }

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  • Slight confusion of `this` in a JavaScript call back function

    - by thecoshman
    $.ajax({url: path_to_file, cache: false, success: function(html_result){ $("#window_" + this.id + "_cont_buffer").html(html_result);}) Now then. This function call is with in a function of a class. this.id is a property of said class. will this pass the function value of this.id into the string the anonymous function, or will it try to evaluate it when the function actually gets called, thus making no sense. If this is not going to work how I want it to, can you recommend how I achieve this.

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  • Java Security filter together with thickbox pop-ups

    - by user197127
    Hi, I have a java application that uses a security filter to protect certain resources. If there is no user logged on, it will keep in session the request path and redirect to a logon page. After a successful logon, user is redirected to the original requested page. I have now added some thickbox (ajax bases pop-up) popups to the application. Unfortunately, when I get now a popup that is "secure" the filter redirects to a logon page (which is not a popup) and makes the whole application messy. Anyone with ideas on how to solve this? Thanks

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  • How to implement dual communication between server and client via http

    - by Alex Sebastiano
    I have a AJAX client which must receive messages from server. Some messages from server not like request-response type. For example, imaging game in which players can enter. Server must send to client info about player entering. But how can server send message to client via http without request from client? Only decision that i can invent: client send request to server (getNewPlayerEnter request) with big timeout, server checks state of player set, if in set new players are, then server send info to client, if not server 'sleeps' on some time, and after 'sleeping' server checks players set again. I think my desicion a little stupid(maybe not little). How implement it right? p.s. sorry for my english

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  • How can I replace the contents of a scrollable div without jumping to the top?

    - by RenderIn
    I have a div with the overflow: auto style. It is populated via AJAX with a result table. The rows in this div are editable, and with each edit I refresh the contents. The problem is, if the user edits something at the bottom of the div, the refresh brings them back to the top. I had some luck using anchors with Firefox, but not all versions of IE jumped to the anchors within the div. Is there any way to replace the contents of a div like this without having the scrollbar jump to the top? Any other suggestions? I like to refresh the entire set of results rather than just the updated row if possible, but if there are no workarounds I guess I will pursue that instead.

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  • jQuery: Sorting hierarchical data?

    - by Industrial
    Hi everybody, I have tried for some time to work out a way of sorting nested categories with jQuery. I failed to build my own plugin to do this, so I tried to find something that were available already. Tried a few hours now with this one, http://www.jordivila.net/code/js/jquery/ui-widgetTreeList_inheritance/widgetTreeListSample.aspx and cant get it to work. What are the alternatives of creating a jQuery / jQuery UI script that handles sorting children and parent categories in a way that can be combined with a AJAX PHP backend to handle the actual sorting in the database? Thanks!

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  • CSS center in IE6, 7, and 8

    - by John
    This code works for IE7 and 8 but not for 6. How can I get it to work for 6. Or is there a better way to do it? #contentLoading { width:90px; height: 90px; position: fixed; top: 50%; left: 50%; background:url(_img/ajax-loader4.gif) no-repeat center #fff; text-align:center; padding:10px; font:normal 16px Tahoma, Geneva, sans-serif; border:2px solid #666; margin-left: -50px; margin-top: -50px; z-index:2; overflow: auto; }

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  • background-image in IE

    - by amit
    <div id="banner" style="display: block; background-image: url('images/swirl_home.gif'); background-repeat: no-repeat; background-color: #e7e7e7;"> <div id="Hi"> some text here... </div> <div id="loader"> <img src="images/ajax-loader.gif" /> </div> </div> #banner { background-color: #e7e7e7; min-height: 285px; } the above code renders perfectly in Mozilla and Chrome. Fails entirely in IE 6/7/8. The background image just doesnt show. I can see the text though. What am I doing wrong...?

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  • Javascript eval limits

    - by user117701
    Is there a limit to javascript's eval, like in lenght? I'm trying to build an app where you can store JS code in the DB, which you can later load and eval in order to execute it, but i'm reaching a limit. First of all, the code has to all be in one line. Any multiline statements are not executed. Next, i'm reaching a limit in length (i guess). If i execute the code manually, it works, but put that same code in the db, load it via ajax, and try to execute it, and it fails. Any ideas why?

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  • How to feed an xml database with tags obtained thru html forms ?

    - by blaise1
    Hello! Not a programmer, I begin with xml, html forms and xslt on Mac. I plan to use a form to post short texts in a xhtml page and invite end users to add some annotations to the said text. The users would select a specific part of the text posted and each annotation would stand for one specific chain of characters. My goal is to consolidate the tags obtained from various user's annotations to one xml "knowledge base" containing the original text with all the revision indicators. Then I plan to use xslt sheets to product various reports based on the tags obtained. my two questions are : 1- am I dreaming ? Is it really possible to do that with xml, xforms, xslt without using java, php, ajax or other seasoned programmer's tools ? 2- What should be my focus for further explorations aiming in that direction ? Which schema, events, sequences should I study ? Je vous remercie à l'avance, Please excuse my English. Blaise

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