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• PhoneGap 1.5 (Cordova) + ChildBrowser Whitelist Issue

  - by dSquared

  I am creating an app using PhoneGap 1.5 (Cordova) and the ChildBrowser Plugin (newest version with naming for PG 1.5 / Cordova.) I use the ChildBrowser plugin to display webpages, PDFs etc. in the app. In previous versions of PG the Whitelist wasn't as restrictive and would load external resources (css/js etc.) located on remote servers / CDNs called from webpages displayed in the ChildBrowser as long as the main URL was Whitelisted. This appears to have changed and I cannot find a way around it. Is there a way to allow all URLs to be whitelisted as long as they are loaded through an already whitelisted URL, or is whitelisting every single possible URL the only way? Any help would be greatly appreciated!

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• Converting an array to JSON and passing that to asmx

  - by user96403

  Hi. I am trying to use JSON.stringify() (from json2.js of json[dot]org ) to convert a JavaScript array to JSON string and to pass it to an asmx web method. I use jQuery AJAX. The call reaches the web method where I take a List <Object> as parameter but I get an empty list there in debug mode. My JSON string looks like well formed with all data , I even tried having single-quotes and double-quotes(escaped) around the 'names' of the JSON string. Please help.

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• Jquery live not working in IE

  - by Kaskade

  Hi, I have some code that works fine in FF but not in IE. I have read other posts saying that the Jquery live method does not support change events but I am using a click event. Here is my code, it is inside $(document).ready(function(): $("a").live("click", function(e) { alert("link clicked"); //do stuff }); If FF the alert is fired but not in IE. When I use $("a").click it works fine, the problem is that I need to the function to be applied to links that do not exist when the page is first loaded (they will be created via ajax calls at a later stage). Do I have any options here. We are using jquery-1.4.1.min.js. Thanks in advance

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• Music and Mathematics. Finding the natural scale matemathically. Is this correct?

  - by Alfonso de la Osa

  Hi! I wrote this post Music and Mathematics, finding the Natural and the Pentathonic scales. Central A at 383,56661 Hz. Is a method to find the Natural scale. I want to discuss it and find if its true. This is the code of the reasoning in js. <script> var c = 1.714285714285714; var tot = 0; var scale = []; while(tot < (14 - c)){ tot += c; scale.push(Math.round(tot)); } if(scale.length == 8){ document.write(scale + " " + c + "<br />"); } </script>

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• Integrating WebSockets with Rails using Rack and Event Machine

  - by Toby Hede

  I have created an Asynchronous version of Rails 3 that I would like to integrate with a WebSocket implementation. I am using EventMachine, Ruby 1.9, Fibers and various em-flavoured libraries as documented by the wickedly good Ilya Grigorik. I have been looking at em-websocket as the handler for WebSocket connections but unsure of the best approach for hooking this into a Rails app. Ideally, this would work in a similar fashion to node.js with Express and Socket.io - incoming connections should be detected and dispatched to the WebSocket handler or the regular rails stack as indicated by the HTTP headers & etc. TL;DR WebSocket handler that plugs into an existing Rails application Transparently dispatch incoming WebSocket requests to endpoints in the app

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• JavaScript: 2 window.opener.location.href statements with alert() in between not functioning

  - by vastbeyond

  I need to make a little JS app to scroll automatically through a list of URLs. I've chosen to have the functionality in a pop-up, for various reasons. The syntax to change the opening window's URL is: window.opener.location.href = "http://www.example.com"; This works fine with one URL, but if two statements are called, only one is executed. I experimented with an alert statement between two of the above statements, and the alert event made the second statement function properly: window.opener.location.href = "http://www.example1.com"; alert("hello world"); window.opener.location.href = "http://www.example2.com"; Question is: does anyone know how to get the first and second window.opener statements to work, without the intervening alert();? Also, how can I add a pause between the two statements, so that the second executes a couple of seconds after the first? Thanks so much!

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• Javascript code for handling Form behaviour.

  - by Andrew

  Hello, Here's how the situation looks : I have a couple simple forms <form action='settings.php' method='post'> <input type='hidden' name='setting' value='value1'> <input type='submit' value='Value1'> </form> Other small forms close to it have value2, value3, ... for the specific setting1, etc. Now, I have all these forms placed on the settings.php subpage, but I'd also like to have copies of one or two of them on the index.php subpage (for ease of access, as they are in certain situations rather frequently used). Thing is I do not want those forms based on the index.php to redirect me in any way to settings.php, just post the hidden value to alter settings and that's all. How can I do this with JS ? Cheers

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• What is your favourite JavaScript reference manual?

  - by daniel.sedlacek

  Hi, I come from strong typed unambiguous OOP background and I struggle to find JavaScript reference manual that would fit my needs. The ideal one should be: compendious and handy, I'm not looking for ECMA standart reference. type specific, even if JS is not strong typed function arguments and returns have a type. browser specific, no matter the standards every browser is different and this ambiguity is killing me. examples, they are always handy. off line, this would be fine but it's not a condition. What is your favourite one? Help me, Obi-Wan Kenobi; you're my only hope!

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• Flex - How do I get the absolute X and Y coordinate including HTML offset?

  - by Mauricio

  Hey everyone, I am calling a JS function through the ExternalInterface using Flex which requires the absolute X and Y coordinates to create a pop-up menu. The Flex application is displayed on the center of an HTML page, therefore there is an HTML X and Y offset to consider. I have tried using the LocalToGlobal and ContentToGlobal functions, but these are just giving me the X and Y coordinates relative to the Flex application, it is not considering the HTML X and Y offset of having the Flex app in the center of the page or varying different screen resolutions. Is the best approach to retrieve the HTML X and Y offset using JavaScript? Is there a Flex function I can use that provides the absolute X and Y coordinates based on the HTML page? Thanks!

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• How can i disable drag event using jquery?

  - by Chirag

  Hi, i wan to disable drag event using jquery and want to bind one another event with same mouse event, but it will shows an error i have attached drag even to <div class="mydiv"></div> and i have used jQuery('.mydiv').draggable("destroy"); it is disabling the drag event and attached one more functionality on mouse down but when i will press mouse on div and dragging the cursor then it shows error $(this).data("draggable") is undefined [Break on this error] var t = $('body'), o = $(this).data('draggable').options; and this is in ui.draggable.js, any buddy have any idea about this??

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• Jquery show() not working in FF

  - by Andrea Zironda

  I have issues with FF & Jquery .show(). my website shows an embedded map from google in clicking a link.i have got a javascript function that handle this, in safari it works great.FF won't show the map. this is the js. function: function mostraPagina(nome){ if (nome='mappa'){ $('#mappa').load('contenuti/mappe/mappa_thiene.html'); $('#dark_background').show(600); $('#mappa').show(600); } } the embedded code from google maps is: <iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.com/maps?f=q&amp;source=s_q&amp;hl=en&amp;geocode=&amp;q=Via+Murialdo,+4,+Thiene+italy&amp;sll=45.710686,11.475665&amp;sspn=0.002439,0.005676&amp;ie=UTF8&amp;hq=&amp;hnear=Via+Murialdo,+4,+36016+Thiene+Vicenza,+Veneto,+Italy&amp;ll=45.710222,11.475618&amp;spn=0.001219,0.002838&amp;t=h&amp;z=14&amp;output=embed"></iframe> thank you very much.

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• View centric design with Django

  - by wishi_

  Hi! I'm relatively new to Django and I'm designing a website that primarily needs usability experience, speaking of optimized CSS, HTML5 and UI stuff. It's very easy to use Django for data/Model centric design. Just designing a couple of Python classes and ./manage.py syncdb - there's your Model. But I'm dealing with a significant amount of View centric challenges. (Different user classes, different tasks, different design challenges.) The official Django tutorial cursorily goes through using a "Template". Is there any Design centric guide for Django, or a set of Templates that are ready and useable? I don't want to start from scratch using JS, HTML5, Ajax and everything. From the Model layer perspective Django is very rapid and delivering a working base system. I wonder whether there's something like that for the Views.

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• codeigniter csrf protection with ajax

  - by Yarandi

  i have a small problem here which i cannot fix,This post goes through but the response returns a “500 internal server error” who to fix it? JS in view: function load(value) { var utype = value; if(utype>0) { new Ajax.Request('<?php echo base_url().'another/load';?>'+'/'+utype, { method:'post', onSuccess: function(transport){ var response = transport.responseText || "no response text"; if(response!="no response text") document.getElementById('prog_id').innerHTML = response; }, onFailure: function(){ alert('Something went wrong ...') } }); } error in firebug : An Error Was Encountered The action you have requested is not allowed. when i change CSRF protection to False in config file its work for me.but i want protect this request with CSRF enabled. after search in CI forum i found this this link codeigniter-csrf-protection-with-ajax but i cant solve by it.can any one help me?

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• how to handle .something in the url

  - by dorelal

  I am using rails 2.3.5 . I have a resource for event. map.resources :events respond_to do |format| format.html format.js { render :text => @event.to_json, :layout => false } end It is a public site and sometimes I get urls like http://domain.com/events/14159-international-hardware-show-2010+91+"prashant"+2010+OR+email+OR+data+OR+base+-ALIBA.BACOM&hl=en&ct=clnk I keep getting hoptoad exception email. How do I handle such cases?

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• how can I override an anonymous javascript function attached to an eventlistener?

  - by Sid

  I found that a website does somewhat sneaky things. When you hover over a link, it shows you the real URL. WHen you click on it, it uses the click/mousedown event to rewrite the URL. I want to override that behaviour in firefox, So I fired up firebug to see what it does. On a mouse click, it executes a function called window.tgs. Easy, I thought. I can override this function. My first attempt was to do get the element via getELementsByTagName(), and then element.removeEventListener("click",window.tgs, false); To my surprise, this did nothing. I tried redefining window.tgs window.tgs = function() { return true; }; that did not do anything either. I am not a JS expert. Your insights appreciated thanks Sid

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• I have a bunch of divs floated left, lined up in columns with different heights. They dont create a

  - by Roeland

  Hey guys, I am trying to create a grid like system with div's with content floated left. The problem is that the height of each div is not static since the content is different in each one. Since the height is different.. things get outta whack if one is taller then another in one row. Is there some sort of css way or js (prefer javascript) way to get around this. I really want to avoid setting large heights on the divs to get them to line up. You can see the example here: http://www.foreclosurejournalinc.com/index.php?option=com_hotproperty&view=type&id=1

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• restful way for deleting a bunch of items

  - by keisimone

  In wiki article for REST it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection. If you use http://example.com/resources/7HOU57Y DELETE, that means you are deleting that element. I am doing a WEBSITE, note NOT WEB SERVICE. I have a list that has 1 checkbox for each item on the list. Once i select multiple items for deletion, i will allow users to press a button called DELETE SELECTION. If user presses the button, a js dialog box will popup asking user to confirm the deletion. if user confirms, all the items are deleted. So how should i cater for deleting multiple items in a RESTFUL way? NOTE, currently for DELETE in a webpage, what i do is i use FORM tag with POST as action but include a _method with the value DELETE since this is what was indicated by others in SO on how to do RESTful delete for webpage.

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• Microsoft JScript runtime error: Object required

  - by Nani

  I wrote a simple javascript function for validating to fields in a aspx page function validate() { if (document.getElementById("<%=tbName.ClientID%>").value=="") { alert("Name Feild can not be blank"); document.getElementById("<%=tbName.ClientID%>").focus(); return false; } if (document.getElementById("<%=ddlBranch.ClientID%>").value=="SelectBranch") { alert("Branch Should Be Selected"); document.getElementById("<%=ddlBranch.ClientID%>").focus(); return false; } } Everything worked fine. Later I linked it to aspx page like a external js file. Now its giving error "Microsoft JScript runtime error: Object required". I'm unable to know where I went wrong.

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• CSS Image Rollovers

  - by dcolumbus

  <div id="navigation> <ul class="navlist"> <li><img src="images/btn1.gif"/></li> <li><img src="images/btn2.gif"/></li> <li><img src="images/btn3.gif"/></li> </ul> </div> How would I be able to give these "buttons" within the list rollover states without using JS? I'm totally drawing a blank... These links must be images.

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• How can I get the text that was clicked on in Javascript?

  - by Jake

  Does anyone know if it is possible with javascript to to tell the position of a mouse click in some text? I know it's easy to get the x,y coordinates, but I'm wanting the position in the text. For example if I clicked inside <p>foo bar</p> I want to be able to tell that the click was on/after the 5th character. Or that foo b is before the click and ar is after it. By the way, I'm using jQuery too, I'm happy with pure JS and solutions that use jQ. Thanks in advance.

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• How to check if a form is submited via javascript?

  - by SteD

  I have this conventional submit button which submit a form like this: <form method="post" id="form_submit"> ... <input class="button" type="submit" name="Submit" value="Submit"> </form> And I check if the submit button is clicked using this: if(isset($_POST['Submit'])){ //update DB } Now I have a submit link using jquery: <a href="#" onclick="publish(); return false;">Submit</a> JS code: $("#form_submit").submit(); What is the alternative way here to be used here for if(isset($_POST['Submit'])) since I'm submitting the form using javascript?

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• scope of variables in JavaScript callback functions

  - by Ethan

  I expected the code below to alert "0" and "1", but it alert "2" twice. I don't the reason. Don't know if it is a problem of jQuery. Also, please help me to edit title and tags of this post if they are inaccurate. <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() { for (var i=0; i<2; i++) { $.get('http://www.google.com/', function() { alert(i); }); } }); </script> </head> <body> </body> </html>

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• SharePoint Client JavaScript Documentation

  - by G N

  I'm attempting to improve the usability of a client's SharePoint deployment via JQuery; and am hitting a brick wall when trying to find any sort of documentation of what's happening in core.js (aside from painfully digging through and trying to parse any sort of meaning out of it --all 250kb of it!!!!--) Anyone have any pointers, or documentation? EDIT: Sorry, to clarify my question, i'm familiar with using JQuery with SharePoint. My question involves hooking JQuery into SharePoint's own client API. My question is inspired by this post http://www.codefornuts.com/2009/09/forcing-sharepoint-into-asynchronous.html# ; where the author is overriding methods such as "SubmitFormPost" and "STSNavigate" in order to make the UI interaction more "AJAXy".

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• Combining multiple jQuery functions

  - by Mark

  Is there any way to combine all of this to reduce the amount of js? This is just an example of some of the jquery dialogs I have in my site, there are a few more too. Thanks. //initiate Search refinement dialog here $("#chooseMoreCnt, #chooseMoreCat, #chooseMorePr").dialog({ bgiframe: true, autoOpen: false, width: 500, modal: true, open: function(type, data) { $(this).parent().appendTo(jQuery("form:first")); } }); //trigger country dialog $('a.chooseMoreCnt').click(function() { $('#chooseMoreCnt').dialog('open'); return false; }); //trigger category dialog $('a.chooseMoreCat').click(function() { $('#chooseMoreCat').dialog('open'); return false; }); //trigger price dialog $('a.chooseMorePr').click(function() { $('#chooseMorePr').dialog('open'); return false; });

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• Javascript Onclicks not working?

  - by Georges Oates Larsen

  I have a jQuery application which finds a specific div, and edit's its inner HTML. As it does this, it adds several divs with onclicks designed to call a function in my JS. For some strange reason, clicking on these never works if I have a function defined in my code set to activate. However, it works fine when calling "alert("Testing");". I am quite bewildered at this as I have in the past been able to make code-generated onclicks work just fine. The only thing new here is jQuery.

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