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  • Heroku "We're sorry, but something went wrong." due to javascript_include_tag

    - by Newton
    Uploading my ruby on rails app to heroku causes the following error: We're sorry, but something went wrong. This does not occur on my local machine. After some debugging, I think I may have spotted the error, but do not know how to fix it. In my file application.html.erb, removing the following line solves the problem, but then my app loses its jquery mobile theme. Any ideas what I could do to fix the problem? Line causing the problem: <%= javascript_include_tag "application" %> application.html.erb file: <!DOCTYPE html> <html> <head> <title>Washapp</title> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.css" /> <%= javascript_include_tag "application" %> <script src="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.js"></script> <%= csrf_meta_tags %> <script> if (window.location.hash == "#_=_") window.location.hash = ""; </script> </head> <body> <div data-role="page"> <%= yield %> </div> </body> </html>

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  • Run Jmol applet using apache server

    - by user1144004
    I am a newbie in using apache and jmol. I am trying to run a jmol applet in python using apache server. Because of strict folder arrangement restrictions in jmol (html and model files should be present inside jmol folder), I had to move the default htdocs and cgi-bin folder inside jmol folder by editing the "httd.conf" file. Now the new location of htdocs folder is "Apache2.2/jmol/htdocs" and of cgi-bin folder is "Apache2.2/jmol/cgi-bin". Now I've put my "start.html" file in the htdocs folder which has the jmol applet tag. It takes "CA150.XYZ" file which is also placed in the same folder. On running this "start.html" file through apache server, nothing happens. It even doesn't give any error, it just shows a blank page. But if I try to run "start.html" without apache server, jmol applet do get executed and runs successfully. What am I doing wrong? Any idea? Here is my "start.html" file <head> <title>Simple example</title> <script src="../Jmol.js" type="text/javascript"></script> </head> <body> <form> <script type="text/javascript"> jmolInitialize("../"); jmolApplet(200,"load CA150.XYZ"); </script> </form> </body>

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  • Where to place interactive objects in JavaScript?

    - by Chris
    I'm creating a web based application (i.e. JavaScript with jQuery and lots of SVG) where the user interacts with "objects" on the screen (think of DIVs that can be draged around, resized and connected by arraows - like a vector drawing programm or a graphical programming language). As each "object" contains individual information but is allways belonging to a "class" of elements it's obvious that this application should be programmed by using an OOP approach. But where do I store the "objects" best? Should I create a global structure ("registry") with all (JS native) objects and tell them "draw yourself on the DOM"? Or should I avoid such a structure and think of the (relevant) DOM nodes as my objects and attach the relevant data as .data() to them? The first approach is very MVC - but I guess the attachment of all the event handlers will be non trivial. The second approach will handle the events in a trivial way and it doesn't create a duplicate structure, but I guess the usual OO stuff (like methods) will be more complex. What do you recomend? I think the answer will be JavaScript and SVG specific as "usual" programming languages don't have such a highly organized output "canvas".

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  • jQuery broken function after added new function

    - by Kyle Sevenoaks
    What's wrong here? The alert function was working until I added this new function to it. Is there anything I am doing wrong? It just simply doesn't fire the alert anymore. <input value="1" type="checkbox" name="salgsvilkar" id="checkbox2" style="float:left;" /> {literal} <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> $(function() { //checkbox $("#scrollwrap").click(function(){ $("#scrollwrap").toggleClass('highlight'); });? }); $(function(){ //button $("#fullfor_btn").click(function(e){ if(!$("#checkbox2").is(':checked') == false) { alert("Please accept the terms of sale."); e.preventDefault(); } }); }); </script> {/literal} <button type="submit" class="submit" name="{$method}" id="fullfor_btn" title="Fullfør bestillingen nå" value="">&nbsp;</button>

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  • Just 2 free months to learn or improve my skills

    - by microspino
    On the 30 of June I will leave my every day work to start as freelance developer. I'd like to set a period of 2 months apart to improve my dev skills. At work I code in C# and during my spare time I enjoyed building Ruby on Rails web applications and creating some Arduino prototypes. I'm something more than junior but I don't feel really a senior developer because I never had a big corporate project built and designed by me with help of other juniors (although I don't think this is really a good definiton of a "senior", It helps describing my feelings). Using a scale from 0 (ignorant) to 10 (proficient like a "samurai") the list below describes my skills that I would like to improve with just 2 months. I've already bought some nice and updated books on all the subjects hereunder: The order doesn't matter C = 1 C# & .Net = 6 Arduino & Processing = 2 Ruby = 5 Rails = 5 HTML/XHTML/CSS = 9 Javascript = 6 Objective-C/iPhone dev = 2 Python = 4 Django = 4 Desing Patterns = 3 Algorythms = 3 Git = 5 I haven't included SQL or Databases in general nor Networking because I spent 10 years working in the past with them and I feel pretty solid for now. As an aside, I've made up some interest in Redis, Node.js, HTML5 reading about them on the web. After two months, since I have to pay my bills, I could go searching for some new job. If learning and developing were really good maybe I could also invest on something I gave birth during them. Can You give me some piece of advice on which you think It's better to improve or develop a learning project on (something like a "summer of code" thing)? The all point Is to see my weaknesses and work on them.

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  • json parser empty result

    - by graybow
    I'm new in gwt and new in using firebug.I have valid json result from tesdb3.php {"item": [{"kode":"002","nama":"bambang gentolet"}, {"kode":"012","nama":"Algiz"}]} I add the xml with inherits name='com.google.gwt.json.JSON'/ inherits name="com.google.gwt.http.HTTP" / then i try to show it in the gwt with this code. public class Tesdb3 implements EntryPoint { String url= "http://localhost/phpmyadmin/tesdb3/datauser.php"; public void LoadData() throws RequestException{ RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url)); builder.sendRequest(null, new RequestCallback(){ @Override public void onError(Request request, Throwable exception) { Window.alert("error " + exception); } public void onResponseReceived(Request request, Response response) { if (200 == response.getStatusCode()) { Window.alert("ok -" + response.getText() + "-" + response.getStatusCode()); } else { Window.alert("error2 -" + response.getText()+ response.getStatusText() + "-" + response.getStatusCode()); } } }); } public void onModuleLoad() { try { LoadData(); } catch (RequestException e) { e.printStackTrace(); } } } I run it in development mode. not hosted mode. My code didn't show any error. But the result in window alert is "error2 --OK-0". result Net from firebug is 7 request: get Tesdb3.html?gwt.codeserv = 200ok get Tesdb3.css = 200ok get tesdb3.nocache.js = 200ok get hosted.html?tesdb3 = aborted get standard.css = 304 not modified get hosted.html?tesdb3 = 403 not modified get datauser.php = 200ok my question is: Why the response status code is 0, and the response status text is 'OK'? there was no eror in json or java code. why response.getText is empty? Why i can't get any json result even a single character?

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  • Firefox handles xxx.submit(), Safari doesn't ... what can be done?

    - by Prairiedogg
    I'm trying to make a pull down menu post a form when the user selects (releases the mouse) on one of the options from the menu. This code works fine in FF but Safari, for some reason, doesn't submit the form. I re-wrote the code using jquery to see if jquery's .submit() implementation handled the browser quirks better. Same result, works in FF doesn't work in safari. The following snippets are from the same page, which has some django template language mixed in. Here's the vanilla js attempt: function formSubmit(lang) { if (lang != '{{ LANGUAGE_CODE }}') { document.getElementById("setlang_form").submit(); } } Here's the jquery attempt: $(document).ready(function() { $('#lang_submit').hide() $('#setlang_form option').mouseup(function () { if ($(this).attr('value') != '{{ LANGUAGE_CODE }}') { $('#setlang_form').submit() } }); }); and here's the form: <form id="setlang_form" method="post" action="{% url django.views.i18n.set_language %}"> <fieldset> <select name="language"> {% for lang in interface_languages %} <option value="{{ lang.code }}" onmouseup="formSubmit('{{ lang.name }}')" {% ifequal lang.code LANGUAGE_CODE %}selected="selected"{% endifequal %}>{{ lang.name }}</option> {% endfor %} </select> </fieldset> </form> My question is, how can I get this working in Safari?

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  • Timing issues with playback of the HTML5 Audio API

    - by pat
    I'm using the following code to try to play a sound clip with the HTML5 Audio API: HTMLAudioElement.prototype.playClip = function(startTime, stopTime) { this.stopTime = stopTime; this.currentTime = startTime; this.play(); $(this).bind('timeupdate', function(){ if (this.ended || this.currentTime >= stopTime) { this.pause(); $(this).unbind('timeupdate'); } }); } I utilize this new playClip method as follows. First I have a link with some data attributes: <a href=# data-stop=1.051 data-start=0.000>And then I was thinking,</a> And finally this bit of jQuery which runs on $(document).ready to hook up a click on the link with the playback: $('a').click(function(ev){ $('a').click(function(ev){ var start = $(this).data('start'), stop = $(this).data('stop'), audio = $('audio').get(0), $audio = $(audio); ev.preventDefault(); audio.playClip(start,stop); }) This approach seems to work, but there's a frustrating bug: sometimes, the playback of a given clip plays beyond the correct data-stop time. I suspect it could have something to do with the timing of the timeupdate event, but I'm no JS guru and I don't know how to begin debugging the problem. Here are a few clues I've gathered: The same behavior appears to come up in both FF and Chrome. The playback of a given clip actually seems to vary a bit -- if I play the same clip a couple times in a row, it may over-play a different amount of time on each playing. Is the problem here the inherent accuracy of the Audio API? My app needs milliseconds. Is there a problem with the way I'm using jQuery to bind and unbind the timeupdate event? I tried using the jQuery-less approach with addEventListener but I couldn't get it to work. Thanks in advance, I would really love to know what's going wrong.

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  • Refresh Div with Jquery at fixed time

    - by Ben C
    I've got a php script that tells me when the next bus is due, and at the moment I'm refreshing this into a div, using jquery, every minute or so. Now, because I know the time at which the data will change (after the bus has come), I want it to refresh the div at this time (or just after, doesn't really matter). I should point out that I'm fairly new to js, but this is what I've got so far: var nextbustime = $('#bus').contents(); var nextbustime = new Date(nextbustime); var now = new Date(); var t = nextbustime.getTime() - now.getTime(); var refreshId = setTimeout(function() { $('#bus').fadeOut("slow").load('modules/bus.php?randval='+ Math.random()).fadeIn("slow"); }, t); The div is loaded originally with a php include. Naturally, what I've done doesn't work at all. Do I need some loops going on? Do I need to refresh the time calculator? Please please help! Thanks in advance...

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  • problem with jquery for add cart button

    - by jessy
    hi i have a problem with displaying amount.i have the page called make payment in this page i made three radio buttons, if i click the button that amount must add with addcart like a product. <form id='theForm'> <input type="hidden" name="totalamount" id="totalamount" value="1" /> input type="radio" name="rmr" id="payment1" value="3" onclick="updatepayment(this.value)" / input type="radio" name="rmr" id="payment2" value="5.5" onclick="updatepayment(this.value)"/ input type="radio" name="rmr" id="payment4" value="10" onclick="updatepayment(this.value)"/ div id="finalamount" /div i think that problem is my js script. if i click that button there is no response. how do i solve that problem you guys can give me any idea $(document).ready(function() { $(".cart :radio[name='rmr']").add(".cart :radio[name='rmr']").each(function() { $(this).click(function() { $(".cart :radio[name='rmr']").add(".cart :radio[name='rmr']").each(function() { $(this).attr("checked", false); }); $(this).attr("checked", true); }); }); }) function updatePayment(val) { $("").html("updatePayment(" + val + ")").appendTo(document.body); } thanks.have a nice day

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  • How can flash call jquery function in its event

    - by user2955639
    I want jquery to do something during some of the events when an audio is playing. So I'm coding a function like this <script> $.fn.playMedia = function(options){ var opts = $.extend({}, { swfSrc: '' timeUpdated: function(currentTime){}, startPlay: function(){}, endPlay: function(){} }, options); return $(this).each(function(){ // call flash to play the media whose src is opts.swfSrc // Is it possible that flash can call the js functions(opts.timeUpdate, opts.startPlay and opts.endPlay) at each time of the event is triggered? }); }}; </script> // Usage <div id="player"></div> <script> $('#player').playMedia({ swfSrc: '/path/song.mp3', timeUpdated: function(currentTime){ comsole.log(currentTime); } }); </script> I'm a totally layman of flash, I just guess this works. Hope someone could tell me how to make up a swf file for this jquery function. Or is there any existing jquery plugin which does this thing but can re-design apperance flexibly. Thank you very much!

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  • CSS Square Div with an Inward Oval Shape

    - by user2813099
    I am trying to create a div in css with an inward oval shape to it like this. At the moment, I have a shape that is outward instead of inward (JS Fiddle Link). .shape { float: left; width: 100px; height: 50px; border: none; background: #CC0000; border-radius: 0 90px 0 0; -moz-border-radius: 0 90px 0 0; -webkit-border-radius: 0 90px 0 0; background-image: -webkit-gradient( linear, left top, right bottom, color-stop(0, #520C0C), color-stop(1, #CC0000) ); background-image: -o-linear-gradient(right bottom, #520C0C 0%, #CC0000 100%); background-image: -moz-linear-gradient(right bottom, #520C0C 0%, #CC0000 100%); background-image: -webkit-linear-gradient(right bottom, #520C0C 0%, #CC0000 100%); background-image: -ms-linear-gradient(right bottom, #520C0C 0%, #CC0000 100%); background-image: linear-gradient(to right bottom, #520C0C 0%, #CC0000 100%); } Any ideas on how to go about this?

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  • Error with zoomStartTime and AnnotatedTimeLine

    - by user973025
    I'm a bit of a beginner with Javascript, but last month I had a working Google chart linked to a Google Docs file, which uses a start date for the graph at 90 days before the current date. I checked the page today and in Chrome I get the message "Object # has no method 'getTime'", and in Firefox I get the message "b.zoomStartTime[y] is not a function". Both stop the graph from loading. I have simplified the code to help me with the error, but I'm not getting anywhere... Here's the code: <script type="text/javascript"> var oldDate = new Date(); oldDate.setDate(oldDate.getDate() - 90); </script> <script type="text/javascript" src="//ajax.googleapis.com/ajax/static/modules/gviz/1.0/chart.js"> { "dataSourceUrl": "//docs.google.com/spreadsheet/tq?key=0AkQH6d2CUv_qdDhwd3gtZzdTVFlNX3AwX2xUSUVuclE&transpose=0&headers=-1&range=A1%3AB2436&gid=0&pub=1", "options": { "zoomStartTime": oldDate, "width": 650, "height": 371 }, "chartType": "AnnotatedTimeLine", } </script> Any ideas would be hugely appreciated. David.

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  • My website keeps crashing IE, can't debug

    - by Ninja rhino
    I have a website that suddenly started to crash internet explorer. The website loads and starts executing javascript but somewhere in there the machinery explodes. I don't even get a script error, it just crashes. I've tried to manually step through every single line of js with the built in debugger but then of course the problem doesn't occur. If i choose to debug the application when it crashes i see the following message. Unhandled exception at 0x6c5dedf5 in iexplore.exe: 0xC0000005: Access violation reading location 0x00000090. The top 5 items in the call stack looks like this VGX.dll!6c5dedf5() [Frames below may be incorrect and/or missing, no symbols loaded for VGX.dll] VGX.dll!6c594d70() VGX.dll!6c594f63() VGX.dll!6c595350() VGX.dll!6c58f5e3() mshtml.dll!6f88dd17() VGX.dll seems to be part of the vml renderer and i am in fact using VML. I'm not suprised because i've had so many problems with vml, attributes has to be set in specific order, sometimes you cant set attributes when you have elements attached to the dom or vice versa (everything undocumented btw) but then the problems can usually be reproduced when debugging but not now :( The problem also occurs in no plugin-mode. Is there a better approach than trial and error to solve this? Edit: Adding a console outputting every suspect modification to the DOM made the problem only occur sometimes. (the console is also implemented in javascript on the same page, i'm able to see the output even after a crash as the window is still visible) Apparently it seems to be some kind of race condition. I managed to track it down even further, and it seems to occur when you remove an object from the DOM too quickly after it's just been added. (most likely only for vml-elements with some special attribute, didn't try further) And it can't be fixed by adding a dead loop in front of removeChild(pretty bad solution anyway), the page has to be rendered by the browser once after the addChild before you can call removeChild. sigh

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  • Django templatetag "order of processing"

    - by Jason Persampieri
    I am trying to write a set of template tags that allow you to easily specify js and css files from within the template files themselves. Something along the lines of {% requires global.css %}, and later in the request, {% get_required_css %}. I have this mostly working, but there are a couple of issues. We'll start with the 'timing' issues. Each template tag is made up of two steps, call/init and render. Every call/init happens before any render procedure is called. In order to guarantee that all of the files are queued before the {% get_required_css %} is rendered, I need to build my list of required files in the call/init procedures themselves. So, I need to collect all of the files into one bundle per request. The context dict is obviously the place for this, but unfortunately, the call/init doesn't have access to the context variable. Is this making sense? Anyone see a way around this (without resorting to a hack-y global request object)? Another possibility to store these in a local dict but they would still need to be tied to the request somehow... possibly some sort of {% start_requires %} tag? But I have no clue how to make that work either.

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  • Javascript not reading value from hidden textBox - JQuery C#

    - by Paul van Valkenburgh
    I'm a non-specialist with JavaScript / JQuery and I'm having trouble figuring out why my script doesn't work. When my C# page loads, I have a hidden textBox txtHiddenKeywordArray which gets dynamically filled with comma separated values like... horse, buggy, track I'm trying to use the highlight functionality in jquery.highlight-3.js where I have a label text field that will contain and highlight the words in the keywords list. I'm using the script <script language="javascript" type="text/javascript"> var myString = document.getElementById('<%=txtHiddenKeywordArray.ClientID%>').val() myArray = myString.split(" "); $(document).ready(function () { for (i = 0; i < myArray.length; i++) $("p").highlight(myArray[i]) }); </script> Here is the textBox declaration : <asp:TextBox ID="txtHiddenKeywordArray" ClientIDMode="Static" runat="server" Visible="false"></asp:TextBox> It worked great when I hard coded the values of var myString. I've tried researching it and keep seeing the same example of the way I have it done. The page does use a MasterPage. Could this affect it? Any idea how I can get the script to see the values from the textbox? Do I need a RegisterStartUpScript or something? Thanks for any help you can provide.

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  • How do I use jQuery in my Greasemonkey Javascript scripts?

    - by tladuke
    I saw a question here and many blog posts about getting jquery into greasemonkey, but I can't get anything to work. Here's my script: // ==UserScript== // @name Hello jQuery // @namespace http://foo.bar // @description jQuery test script // @include * // ==/UserScript== #{contents of jquery.latest.js pasted in} unsafeWindow.jQuery = jQuery; $(document).ready(function() { alert('Hello world!'); }); I'm hoping to see an alert when I refresh a page, so I can start actually programming something. I've tried a bunch of other things and so far nothing works. The script is enabled in the little monkey menu... edit: the script part now looks like this: foo(); function foo() { $ = unsafeWindow.jQuery; $('tr td.row2:nth-child(4)').css("background-color", "#999"); } it doesn't work. I know the jQuery is good because I can run it from outside of greasemonkey. If instead of a jQuery function is just say alert('hello'); that works fine; I get the alert on page-load.

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  • Youtube Javascript API play(); not working.. what am I doing wrong?

    - by odpogn
    Hello, I'm playing around with YouTubes Javascript API. I've set up a test page on my local enviornment, but the play function is not working. The video loads, and I can press play on the yt video screen, but my link "play" isn't working. Can someone tell me what I'm doing wrong?? I've been following this: http://code.google.com/apis/youtube/js_api_reference.html <html> <head> <script type="text/javascript" src="public/javascripts/swfobject.js"></script> </head> <body> <div id="ytapiplayer"> You will need Flash 8 or better to view this content. </div> <script type="text/javascript"> var params = { allowScriptAccess: "always" }; var atts = { id: "myytplayer" }; swfobject.embedSWF("http://www.youtube.com/v/OQSNhk5ICTI&enablejsapi=1&playerapiid=ytplayer", "ytapiplayer", "425", "365", "8", null, null, params, atts); function onYouTubePlayerReady(playerId) { ytplayer = document.getElementById("myytplayer"); } function play() { if (ytplayer) { ytplayer.playVideo(); } } </script> <a href="javascript:void(0);" onclick="play();">Play</a> </body> </html>

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  • ASP .NET: Cannot call Page WebMethod using jQuery

    - by John
    I created a WebMethod in the code-behind file of my page as such: [System.Web.Services.WebMethod()] public static string Test() { return "TEST"; } I created the following HTML page to test it out: <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"/></script> <script type="text/javascript"> function test() { $.ajax({ type: "POST", url: "http://localhost/TestApp/TestPage.aspx/Test", data: "{}", contentType: "application/json; charset=utf-8", dataType: "text", success: function(msg) { alert(msg.d); } }); } </script> </head> <body> <button onclick="test();">Click Me</button> </body> </html> When I click the button, the AJAX fires off, but nothing is returned. When I debug my code, the method Test() doesn't even get called. Any ideas?

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  • Add file in ANT build (Tomcat server)

    - by Shaded
    Hey everyone, I have an ANT build that I need to setup so on deployment of the .war a certain file will be placed in a specific location. Currently my ant builds the war as follows... <target name="war" depends="jar"> <war destfile="${deploy}/file.war" webxml="${web-inf}/web.xml"> <fileset dir="${WebRoot}"> <include name="**/*.vm" /> <include name="**/*.js" /> <include name="**/*.jsp" /> <include name="**/*.html" /> <include name="**/*.css" /> <include name="**/*.gif" /> <include name="**/*.jpg" /> <include name="**/*.png" /> <include name="**/*.tld" /> <include name="**/applicationContext*.xml" /> <include name="**/jpivot/**" /> <include name="**/wcf/**" /> <include name="**/platform/**" /> <include name="**/Reports/**" /> </fileset> <lib dir="${web-inf.lib}" /> </war> </target> The file I need is called Scriptlet.class and it needs to be in WebRoot/WEB-INF/classes/ I've tried several things to get this to work and have yet to find one that works... if anyone can point me in the right direction I'd appreciate it!

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  • load data from grid row into (pop up) form for editing

    - by user1495457
    I read in Ext JS in Action ( by J. Garcia) that if we have an instance of Ext.data.Record, we can use the form's loadRecord method to set the form's values. However, he does not give a working example of this (in the example that he uses data is loaded into a form through a file called data.php). I have searched many forums and found the following entry helpful as it gave me an idea on how to solve my problem by using form's loadRecord method: load data from grid to form Now the code for my store and grid is as follows: var userstore = Ext.create('Ext.data.Store', { storeId: 'viewUsersStore', model: 'Configs', autoLoad: true, proxy: { type: 'ajax', url: '/user/getuserviewdata.castle', reader: { type: 'json', root: 'users' }, listeners: { exception: function (proxy, response, operation, eOpts) { Ext.MessageBox.alert("Error", "Session has timed-out. Please re-login and try again."); } } } }); var grid = Ext.create('Ext.grid.Panel', { id: 'viewUsersGrid', title: 'List of all users', store: Ext.data.StoreManager.lookup('viewUsersStore'), columns: [ { header: 'Username', dataIndex: 'username' }, { header: 'Full Name', dataIndex: 'fullName' }, { header: 'Company', dataIndex: 'companyName' }, { header: 'Latest Time Login', dataIndex: 'lastLogin' }, { header: 'Current Status', dataIndex: 'status' }, { header: 'Edit', menuDisabled: true, sortable: false, xtype: 'actioncolumn', width: 50, items: [{ icon: '../../../Content/ext/img/icons/fam/user_edit.png', tooltip: 'Edit user', handler: function (grid, rowIndex, colIndex) { var rec = userstore.getAt(rowIndex); alert("Edit " + rec.get('username')+ "?"); EditUser(rec.get('id')); } }] }, ] }); function EditUser(id) { //I think I need to have this code here - I don't think it's complete/correct though var formpanel = Ext.getCmp('CreateUserForm'); formpanel.getForm().loadRecord(rec); } 'CreateUserForm' is the ID of a form that already exists and which should appear when user clicks on Edit icon. That pop-up form should then automatically be populated with the correct data from the grid row. However my code is not working. I get an error at the line 'formpanel.getForm().loadRecord(rec)' - it says 'Microsoft JScript runtime error: 'undefined' is null or not an object'. Any tips on how to solve this?

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  • Detectig by how much user has scrolled

    - by Sean
    I have an image pop-up ability on my website (see this screenshot), in order to show users the full resolution picture when they click on a smaller version on the page. This is the current CSS that positions it: div#enlargedImgWrapper { position: absolute; top: 30px; left: 55px; z-index: 999; } The problem now is that if I click on an image further down the page, the window still appears in the top left corner of the page, where I can't see it until I scroll back up. I need it to appear relative to the window, whatever its current position relative to the document is. Note: I don't want to use position: fixed; as some images might be taller than the screen, so I want users to be able to scroll along the image as well. My idea was to use JS to change the top value: var scrollValue = ???; document.getElementById('enlargedImgWrapper').style.top = scrollValue+30 + 'px'; How can I detect by how much the user has scrolled down the page (var scrollValue)? Or is there a 'better' way to do this? Thanks!

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  • IE7 - jquery addClass() breaks floating elements

    - by Patrick
    I have this nav that uses addClass('hover') when the mouse is rolled over an item. This works fine except in IE7 when the addClass function is called every element with float:left stops floating and the page totally loses its structure. This is my JS: _this.position_sub_menus = function(){ $('#header #nav > ul > li').mouseenter( function(e){ pos = $(this).offset(); height = $(this).height(); lvl2 = '#' + $(this).attr('id') + '-submenu'; if( $(this).position().left > ($('#nav').width()/2)){ pos.left = pos.left - $(lvl2).width() + $(this).width(); } $(this).addClass('hover'); $(lvl2).show(); $(lvl2).css( { 'left' : (pos.left - 12) + 'px', 'top' : pos.top + height + 'px'}); } ); This is the CSS of the of the elements that break: display: inline; float: left; margin-left: 10px; margin-right: 10px; position: relative; It's CSS from the 960 grid system. When I comment out the $(this).addClass('hover'); line the floated elements dont break. Is anyone familiar with this IE7 problem? Thanks guys

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  • Apache Cordova (Phonegap): is jsop needed for cross-site scripting?

    - by DEX
    I've just started using Apache Cordova. I have an library that makes calls (via ajax) to a soap server. When I run these on my local machine in chrome, I get cross site scripting errors when trying to make calls to the service. When I run the same exact code using the Cordova browser in the iOS emulator, the scripts seem to hit the server fine and the response data is received properly. So my question is how is the Cordova browser able to make these requests without cross-site scripting permissions & JSONP ? One thing I noticed is that when the request is sent from iOS, there is no "Origin" header. Is this allowing the Cordova browser to stealthily circumvent cross-site scripting requirements? Is it possible that the node.js server on the device (I believe this is how Cordova works) is manipulating the headers to allow this? I'd like to avoid enabling cross-site scripting on my site so I think this "feature" is nice, but I'm wondering if it's a security hole as well. Anyone have experience with this?

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  • Wordpress Admin Panel Code Input

    - by Wes
    I've got a wordpress admin panel for one of my themes and one of the boxes has an input for some code to drive google adsense. when I put the code into the box and call it with my php tags the code comes out like this: <script type="\&quot;text/javascript\&quot;"><!-- google_ad_client = \"pub-9295546347478163\"; /* Leaderboard 5/17/2010 */ google_ad_slot = \"7593465074\"; google_ad_width = 728; google_ad_height = 90; //--> </script> <script type="\&quot;text/javascript\&quot;" src="%5C%22http://pagead2.googlesyndication.com/pagead/show_ads.js%5C%22"> </script> Which I assume is a feature to stop SQL injections. How can I call pure code form a box? This is how I currently have that textbox setup. array( "name" => "Code for Top ad", "desc" => "Enter the HTML that will drive the banner ad for the page header", "id" => $shortname."_headerAd", "type" => "textarea"), and then echo it out with this: <?php echo get_option('lifestyle_headerAd'); ?>

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