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• Best UI to be shown to User while his request is still in process behind the scenes ?

  - by Rachel

  I am currently involved with an Application where I need to design the UI part of the Application and current I am in the process of implementation of UI which would be displayed to end user while his or her request is being processed behind the scenes. So my question is that: What is the best UI approach/symbol/suggestions to be displayed to end User while his or her request is still being processed behind the scenes ? Thanks.

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• jQuery events .load(), .ready(), .unload()

  - by Eric

  Hi folks, Just a simple question, for the jquery event. Are the .load(), .ready() and .unload() run in order when the DOM is loaded? The answer seems yes when I see the jQuery Documentation. <script type="text/javascript"> $(window).load(function () { // run code initializeCode(); }); $(document).ready(function() { //run code that MUST be after initialize }); $(window).unload(function() { Cleanup(); }); </script> However, the code inside the .ready() is execute before the initializeCode(); is execute, so I feel really strange. And now I have to place my code inside the .onload() method and just after the initializeCode(); line, which means to be inside the .ready() block. Could someone explain me more about this, as I am new to jQuery. Thank you so much.

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• Why does the JavaScript need to start with ";" ?

  - by TK

  I have recently noticed that a lot of JavaScript files on the web starts with ; immediately following the comment section. For example, this jQuery plugin's code starts with /** * jQuery.ScrollTo * Copyright (c) 2007-2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com * Dual licensed under MIT and GPL. * Date: 9/11/2008 .... skipping several lines for brevity... * * @desc Scroll on both axes, to different values * @example $('div').scrollTo( { top: 300, left:'+=200' }, { axis:'xy', offset:-20 } ); */ ;(function( $ ){ Why does the file needs to start with ;? I see this convention on server-side JavaScript files as well. What is an advantage and disadvantage of doing this?

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• Coded ui to measure performance

  - by Mike Weber

  I have been tasked with using coded UI to measure performance on a proprietary windows desktop application. The need is to measure how long it takes for the next page/screen to display after a user clicks on a control. For example - a user enters their ID and PW and clicks sign-in. The need is to measure how long it takes for the next screen to display when the user clicks the sign-in button. I understand the need to define what indicates the screen is loaded and ready for use. One approach is to use control.WaitForControlReady and use BeginTimer/EndTimer. Is coded ui a dependable and accurate way of measuring time? Is WaitForControlReady the best method to determine when a control is ready for use?

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• How to access the jQuery event object in a Seaside callback

  - by Mef

  Basically, I want to translate the following into Seaside Smalltalk: $(".myDiv").bind('click', function(e) { console.log(e); }); Besides that I don't want to console.log the event, but access it in my ajax callback. The most promising approach seemed to be something like html div onClick: (html jQuery ajax callback: [:v | self halt] value: (???); with: 'Foo'. But I couldn't find any way to access the event that caused the callback. Intuitively, I would try html jQuery this event for the ??? part, but the Seaside jQuery wrapper doesn't know any message that comes close to event. Any help is appreciated. There has to be away to access the event data...

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• How do I localize the jQuery DatePicker?

  - by Thomas Eyde

  I really need a localized dropdown calendar. An English calendar doesn't exactly communicate excellence on a Norwegian website ;-) I have experimented with the jQuery DatePicker, their website says it can be localized, however that doesn't seem to work. I am using ASPNET.MVC, and I really want to stick to one javascript library. In this case jQuery. The ajax toolkit calendar would be acceptable, if only it too would display Norwegian names. Update: Awesome! I see I am missing the language files, a not so minor detail :-)

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• jQuery append Google Adsense to div..

  - by SoulieBaby

  Hi everyone, I'm having issues with google adsense and it loading before my jQuery and killing my codes, so I thought I'd try to append the Google Adsense javascript to the appropriate div using the document ready function, here's the code I'm trying to write: <script language="javascript" type="text/javascript"> $(document).ready(function(){ $(".googleBanners").html("<script language='javascript' type='text/javascript'>\n" + "google_ad_client = 'pub-8487967187298044';\n" + "google_ad_slot = '1088799521';\n" + "google_ad_width = 250;\n" + "google_ad_height = 250;\n" + "</" + "script>\n" + "<script language='javascript' src='http://pagead2.googlesyndication.com/pagead/show_ads.js' type='text/javascript'>" + "</" + "script>"); }); </script> But I'm not so good writing javascript/jQuery so if someone could help me implement this that would be fantastic. The error in FF I'm currently getting is "Error: google_protectAndRun is not defined". I'm not sure what that means, but I'm guessing I've written the jQuery code wrong.. lol

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• Ajax loader image: How to set a minimum duration during which the loader is shown?

  - by whamsicore

  I am using Jquery for Ajax functionality, and using a loader icon to indicate to the user that data is being retrieved. However, I want the user to see the loader icon for at least 1s, even if the data takes less than 1s to retrieve (if more than 1s is required, the loader icon should remain for the entire duration. Here is the code for the loader HTML <img id="loader" src="example.com/images/ loader.gif" style="vertical-align: middle; display: none" /> I am using the Jquery .Ajax function for my data processing.

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• Jquery username check

  - by Sergio

  I'm using this Jquery function for available username check. How can I fire this Jquery function only if the username field is greater of 5 characters? Jquery looks like: $(document).ready(function() { $('#usernameLoading').hide(); $('#username').blur(function(){ $('#usernameLoading').show(); $.post("usercheck.php", { un: $('#username').val() }, function(response){ $('#usernameResult').fadeOut(); setTimeout("finishAjax('usernameResult', '"+escape(response)+"')", 400); }); return false; }); }); function finishAjax(id, response) { $('#usernameLoading').hide(); $('#'+id).html(unescape(response)); $('#'+id).fadeIn(); } //finishAjax Can I use something like this and how: var usr = $("#username").val(); if(usr.length >= 5) { }

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• scrollTo inner div only

  - by Nik

  I have a page with two scroll bars. I am using the scrollTo jquery plugin to jump to other areas on the same page. The problem is I only want the inner div to scrollTo and the outer div to remain at the top of the screen. Development site link click here This is the script $(".jump > li").click(function() { var qu = $(this).attr("id"); var an = "#" + qu.replace("q","a"); // step 8 $.scrollTo(an, {duration: 800, axis:"y"}); }); Any ideas?

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• a selector which has this selector together with a class selector

  - by Woho87

  Here is an analogy of my problem(a selector which has this selector together with a class selector): Let say that I selects all yellow(classes) div elements in a arbitrary HTML document. And I want each to check if the attribute is yes = 1. If the attribute 'yes' equals '1', then I want the child with class 'blue' have the attribute 'no' equals '1'; $('div .yellow').each(function(){ if($(this).attr('yes') == 1){ $(this '.blue:first-child').attr('no', 1);//This line needs to be fixed } }); I know that the line this.getElementsByClassName('blue')[0] fixes this problem. But in my real problem (not this analogy) I want to use addClass and removeClass which only functions with jQuery objects. It is to cumbersome to use other functions than addClass and removeClass. UPDATE: Here is a code snippet from my real problem. I got some problem with "this" in javascript. I want a invited button to have the className visible when I click on it. The button lies within a div element with className 'box'. I know that there are problem with 'this' on the code snippet. But I want the button and not the box to change to visible $('.Box').each(function(){ if($(this).attr('hasButton') != 1){ var invite = document.createElement('div'); invite.className = 'invite invisible'; invite.innerHTML = 'invite'; $(this).attr('hasButton', 1); this.appendChild(invite); invite.addEventListener('mouseover', function(event){ $('.invite', this).removeClass('invisible');//this line is not functioning $('.invite', this).addClass('visible');//neither this }, false); } });

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• Code and Slides: Building the Account at a Glance ASP.NET MVC, EF Code First, HTML5, and jQuery Application

  - by dwahlin

  This presentation was given at the spring 2012 DevConnections conference in Las Vegas and is based on my Pluralsight course. The presentation shows how several different technologies including ASP.NET MVC, EF Code First, HTML5, jQuery, Canvas, SVG, JavaScript patterns, Ajax, and more can be integrated together to build a robust application. An example of the application in action is shown next: View more of my presentations here. The complete code (and associated SQL Server database) for the Account at a Glance application can be found here. Check out the full-length course on the topic at Pluralsight.com.

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• jQuery/Javascript framework efficiency

  - by Russell

  My latest project is using a javascript framework (jQuery), along with some plugins (validation, jquery-ui, datepicker, facebox, ...) to help make a modern web application. I am now finding pages loading slower than I am used to. After some js profiling (thanks VS2010!), it seems a lot of the time is taken procesing inside the framework. Now I understand the more complex the ui tools, the more processing needs to be done. The project is not yet at a large stage and I think would be average functions. At this stage I can see it is not going to scale well. I noticed things like the 'each' command in jQuery takes quite a lot of processing time. Have others experienced some extra latency using JS frameworks? How do I minimise their effect on page performance? Are there best practices on implementation using JS frameworks? Thanks

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• Sample Code and Slides from DevConnection Germany

  - by Stephen Walther

  Thank you everyone who came to my three talks this week at DevConnections Germany!  I really enjoyed my time in Karlsruhe. Here are the slides and sample code for the three talks:   jQuery Templates In this talk, I discuss how you can take advantage of jQuery templates when building both ASP.NET Web Forms and ASP.NET MVC applications. I demonstrate several advanced features of templates such as wrapped templates and remote templates. Download the slides Download the code   HTML5 In this talk, I discuss the features of HTML5 which matter most when building database-driven web applications. I demonstrate WebSockets, Web Workers, Web Storage, IndexedDB, and Offline Web Applications. Download the slides Download the code   jQuery + OData In this talk, I demonstrate how you can build entire web applications by taking advantage of jQuery and OData. I demonstrate how you can use jQuery and OData to both query and update database data. I also discuss two approaches for supporting validation. Download the slides Download the code

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• Change power button to 'Ask' in Xubuntu 13.10

  - by Gully.Moy

  I have recently installed Xubuntu 13.10 on my Vaio vpcea making me a Linux beginner. The problem is that laptop's power button is right on the edge of the bezel making it far too easy to press accidentally, in my opinion a design fault by Sony. At present, when I press the power button it shuts down strait away and as you can imagine, when I'm accidentally pressing it all the time it gets very annoying! So I planned to change it to ask what I would like to do when I press it or at least ask if I'm sure. So I went through the xfce GUI options "Settings Manager" - "Power Manager" to the field "When power button is pressed", but it was already set to "Ask". So I did some digging and found a thread telling me to navigate to /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml where it said to find power-button-action and check that value="3". It already did. So I looked some more and found this thread which focuses on acpi scripts. I tried solution 1 & 2 using sudoedit to change the files accordingly (I have made executable bash shell scripts already so I think I followed them correctly), but still no difference. I also found this thread which instructed me to edit /etc/systemd/logind.conf so that HandlePowerKey=ignore. Still no luck. I even tried my own approach to completely disable /etc/acpi/powerbtn.sh by renaming it powerbtn.sh.bak hoping for at least no response from the power button... and I have done many reboots in between... but still it shuts down! I have also read that some people have the file /etc/acpi/events/power_button, but I do not. So does anyone have any other ideas? What else could be executing the shutdown sequence Is there something I'm missing? I haven't undone any of these actions so every one of the above files is currently edited on my computer, with the exception that "Solution 2" automatically undone "Solution 1" above. Thanks guys.

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• Easiest way to create twitter-like status update widget

  - by culov

  I want a widget that allows users to add a request if that request hasnt already been added, or vote for a request if it has already been added. when a user adds a request, i want it to immediately appear as the first element of the list, like what would happen to your timeline if you made new tweet. ive tried to look for a jquery plugin that offers this functionality, but i was unsuccessful (maybe i couldnt think of the right terms to search for??). i dont have enough faith in my js skills to write this from scratch, so id rather find a template to start with. Thanks.

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• Jquery broken by GetResponse (email marketing) web form script

  - by Jacob

  I'm working on a site that relies on quite a bit of javascript. The problem is, I'm not a javascript guru in the least. Yes, bit off more than I can chew, here. I'm using jquery for a spy effect, and use GetResponse for email signups. If I implement my GetResponse script, it breaks the area later in the page which depends on the jquery script. Pull the GetResponse script and it works just fine. Problem is, I need them both. ;) The trick, I suppose, is that the GetResponse script is actually another Jquery script, so it's getting called twice... Any help? The site is http://djubi.com/testserver Check out (urlabove)/nogetresponsescript.php to see it work without the GetResponse script. You should be able to see all the source just fine. Thanks everyone. jf

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• jQuery Tabs - Following External Links

  - by Ricky

  I have jQuery Tabs setup, but am trying to get a Tab to follow an external link. I have tried to use the code from jQuery, but the URL still loads via Ajax instead of redirecting the browser to the url: http://jqueryui.com/demos/tabs/#...follow_a_tab.27s_URL_instead_of_loading_its_content_via_ajax Current code: $(function() { $('#rotate > ul').tabs({ select: function(event, ui) { var url = $.data(ui.tab, 'load.tabs'); if( url ) { location.href = url; return false; } return true; } }); });

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• YUI Compressor + gzip causes Illegal Character error in jQuery

  - by lo_fye

  When I minify jquery using YUI compressor, it works fine. When I then add gzip compression (and serve this version via mod rewrite), the gzipped version throws this error: illegal character in jquery.min.js on line 1 Line 1 is: ???????M???????????s?8?0???!sz?dKr?=? This results in a "jquery is not defined" error. I am using the following rewrite rules to serve up the gzipped versions: #Check to see if browser can accept gzip files. ReWriteCond %{HTTP:accept-encoding} (gzip.*) #make sure there's no trailing .gz on the url ReWriteCond %{REQUEST_FILENAME} !^.+\.gz$ #check to see if a .gz version of the file exists. RewriteCond %{REQUEST_FILENAME}.gz -f #All conditions met so add .gz to URL filename (invisibly) RewriteRule ^(.+) $1.gz [L] I can't find any references to this happening to anyone else. Thoughts?

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• jQuery Corners and IE Problems

  - by Tom

  Hi Guys, I am using "malsups" jQuery corner plugin - http://jquery.malsup.com/corner/ - and having a bit of nightmare of a time with IE. Basically I have <ol><li> <span class="main"> <span class="test1"></span> <span class="test2"></span> <span class="test3"> <span id="test4"></span> <span id="special" class="special"> <span class="test4">TEXT</span> </span> </span> </li></ol> Basically, in IE when I try and make the id="special" have rounded corners - i get a distorted view. I think its something related to problems with referencing li elements using jQuery('#special').corner('5px'); Could anyone help :) ?

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• Accessing UI elements from delegate function in Windows Phone 7

  - by EpsilonVector

  I have the following scenario: a page with a bunch of UI elements (grids, textblocks, whatever), and a button that when clicked launches an asynchronous network transaction which, when finished, launches a delegate function. I want to reference the page's UI elements from that delegate. Ideally I would like to do something like currentPage.getUIElementByName("uielement").insert(data), or even uielement.insert(data), or something similar. Is there a way to do this? No matter what I try an exception is being thrown saying that I don't have permissions to access that element. Is there a more correct way to handle updating pages with data retrieved over network?

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• Returning control codes as JSON to a jquery ajax json call

  - by Graham

  I want to know if it is possible to return ascii control codes in JSON format from classic ASP to a jQuery ajax call. This is my jQuery call: $.ajax({ url: "/jsontest.asp", type: "POST", cache: false, dataType: "json", complete: function(data) { var o = $.parseJSON(data.responseText.toString()); }, error: function(data1, data2) { alert("There has been an error - please try again"); } }); This is my called page: {"val1":123,"val2","abcdef"} The above works fine, but if I change my called page to include ascii character 31 (1F) like so: {"val1":123,"val2","abc\x1Fdef"} then I get the alert in my error function. Can this be done, and if so, how please. Note: I'm using jQuery 1.7.1 and both IIS 6 and IIS 7 I have tried: \x1f, %1f, and \u001f

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• JQuery Coding Question?

  - by SLAPme

  I'm kind of new to JQuery i really don't know how to code in the .hide() so that it hides the following code from begin displayed until clicked <li>Changes saved!</li> and then have it fade in using the .fadeIn. Can some one show me how to code in the .hide() and .fadeIn correctly into my JQuery code? Here is the JQuery code. $(function() { $(".save-button").click(function() { $.post($("#contact-form").attr("action"), $("#contact-form").serialize(), function(html) { $("div.contact-info-form").html(html); $('#changes-saved').append('<li>Changes saved!</li>'); }); return false; // prevent normal submit }); });

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• How to highlight the button untill the next view is changed in iphone?

  - by Pugal Devan

  Hi, I am new to iphone development. I have created five buttons in the view controller. If i clicked the button it goes to the corresponding view. Now i want to display the button in highlighted state when it is clicked. It should go back to the normal state only when i click the other button.(See the image below). I have set the another image for highigthting buttons when i clicked it, but it shows that highlighted state only one sec. Now i want to display the buttons highlighted till another button is clicked. Same like a Tabbar operations.(I have used buttons instead of tabbar for my requirements). Now i have used the following code, void didLoad { [btn1 setImage:[UIImage imageNamed:@"ContentColor.png"] forState:UIControlStateHighlighted]; [btn2 setImage:[UIImage imageNamed:@"bColor.png"] forState:UIControlStateHighlighted]; [btn3 setImage:[UIImage imageNamed:@"ShColor.png"] forState:UIControlStateHighlighted]; [btn4 setImage:[UIImage imageNamed:@"PicturesColor.png"] forState:UIControlStateHighlighted]; [btn5 setImage:[UIImage imageNamed:@"infoColor.png"] forState:UIControlStateHighlighted]; } Please help me out. Thanks.

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• use jquery autocomplete with carousel for preview and selection

  - by dave

  Hi, I've successfully used jquery autocomplete to display a list of matching images based on user input. The user experience isn't great though due to the number of potential matches - even with fairly prescriptive input. I've found this example at nokia http://www.nokia.co.uk/support/download-software/device-software-update (I know it's written in flash) which would provide the ideal interface for what I'm trying to achieve. Does anyone have any pointers for doing this using jquery autocomplete as a starting point? Or better still know of an existing javascript library that provides this functionality? I'm using the latest release of jquery if that matters. Thanks, Dave.

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