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• Post-back + Page Refresh. Post/Redirect/Get pattern alternatives?

  - by Andrew Florko

  When user posts back a web form and then tries to refresh the page - dialog "would you like to resend information" pops up (Opera works silently though). To avoid this we can redirect browser to the page we'd like to show after postback. Now, when user refreshes the page, he duplicates get-request and no pop-ups. Everything is ok but post/redirect/get approach requires additional roundtrip. Is there better alternatives. Send form data with ajax aynchronously, for example? Thank you in advance!

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• My choice of fieldname for CakePHP's form helper is not working properly, why?

  - by grokker

  Hi, I'm creating an AJAX form. The problem is when I'm trying to create a input form with formhelper, my input's name attribute is not correctly renedered in the view. Here's my code: $form->input('MainAttribute.'.$i.'.SubAttribute.'.$j.'.score', array('label' => '', 'options' => $scores)); I created it that way because I want SubAttribute to be inside MainAttribute. When I inspect the HTML, the name attribute of the form is cutted of like: name="data[SuperMainAttribute]" How can I specify the name attribute to the one that I'm planning on doing? (e.g. data[MainAttribute][0][SubAttribute][0][score])

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• stream output of a command continuously run in php

  - by chandan kharbanda

  i am running this simple command { ./a.out < in; } & output.txt using exec and i want to output what's coming in output.txt through ajax request continuously. Also i want a way to turn off my output buffering.I tried flush() and ob functions but didn't succedded.In my /etc/php5/apache2/php.ini php.ini value of output_buffering = 4096.When I change it to Off and restart my apache2 server it fails to restart.P.S. I am using lamp server.

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• How to add on to an existing onclick event?

  - by Corey Sarnia

  I'm currently writing a Greasemonkey script for a page, so I can't modify the script myself. There is a form submit button on the page. When you click this button, it executes some fancy AJAX calls and such to update the page and do serverside things. What I'm trying to is basically set a "lastClick" value when the button is clicked. I want to add the code GM_setValue("lastClicked", (new Date()).getTime().toString()) to store the last time the button was clicked (for future uses of the script, it will actually do something with this date). How exactly can I accomplish this?

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• one query instead of four - is it possible?

  - by Syom

  i must get data from four tables. i wrote the script with four queries, but i use it in ajax, and i wan't to do it by one query. here is queries... $query1 = "SELECT `id`,`name_ar` FROM `tour_type` ORDER BY `order`"; $query2 = "SELECT `id`,`name_ar` FROM `hotel_type` ORDER BY `order`"; $query3 = "SELECT `id`,`name_ar` FROM `food_type` ORDER BY `order`"; $query4 = "SELECT `id`,`name_ar` FROM `cities` WHERE `id_parrent` = '$id_parrent' ORDER BY `name_ar`"; is it possible to write in one query? thanks

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• Paging with jQuery

  - by zurna

  I get data from another page using jQuery get method. But I have a small problem. Sometimes, data that I take from another page is too long so it's divided into pages. When the user clicks on 1, 2, 3, ... links he/she is redirected to the other page. However, I want data to be reloaded on the same page. Edit $('ul.thumbs li.pagination a').live('click', function() { var pageNumber = parseInt($(this).text().replace(/[^0-9]/g, '')); $.ajax({ type: "GET", url: "images.cs.asp?Process=ViewImages&PAGEID=<%=Request.QueryString("PAGEID")%>", success: function(data) { $("#ViewImages").html(data); }, error: function (XMLHttpRequest, textStatus, errorThrown) { $("#ViewImages").html('.'); } }); return false; });

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• Javascript Autocomplete Text

  - by WPS

  Hi All, I need to implement an autocomplete text field using JavaScript and JSF. When the user types some character in a text field, I need to make an AJAX request and get the values based on the values entered. I've an input text field, on "keyup" I'm triggering a function which submits the value to the server side. var timeoutid = 0; function intitiateTypeAhead(){ clearTimeout(timeoutid); if (document.getElementById("inputText").value.length >= 2) { timeoutid = setTimeout('clickButton', 500); } return false; } function clickButton(){ //submits the value to the server } <h:inputText id="inputText" onkeyup="intitiateTypeAhead()"></h:inputText> This works properly, but certain times the request is made for each character entered by the user. I'm not sure if there is anything wrong with the implementation. Can someone please help me to fix this?

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• How to export javascript generated report to pdf?

  - by Parhs

  Hello... I made a reporting engine with javascript for my project... The problem is with printing.. Although with page-break and css i can produce a good looking report, i want to export that report to a pdf in order to be printed better without ,the url,page title and other stuff that browsers add. Note in Chrome there isnt page setup!!! I am using java for server side. i think sending via ajax the Html of the report somehow and return a url for the pdf report maybe... i am looking for a good tool for this thank you

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• problem with live function

  - by Dirty Bird Design

  I had this working to spec, until the specs changed. This function is now brought in via ajax .load. Easy enough to bring it in and I have all my other functions on the page that is brought in working in the parent page except this one: $("#CME").hide(); $(function() { $("#CME1, #CMEQL, #CBT1, #CBTQL, #NYM1, #CMX1").live("change", function(){ var checkBoxes = $("#CME1, #CMEQL, #CBT1, #CBTQL, #NYM1, #CMX1").filter(":not(:checked)"); if(checkBoxes.length == 0){ $("#CME").slideDown("fast"); } else { $("#CME").slideUp("fast"); } }); the div "#CME" is not hidden and the .live('change', function () { isn't working. I have other similar .live functions that are working and structured the same. How do I bind the initial $(function() with .live and why isn't the .hide() working? });//CME

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• Pretty photo ibox doesn't trigger after appending new element in HTML

  - by user1469133

  I'm trying to get prettyPhoto or some other jquery plugin to work after I append new element to the HTML page: to be specific I have this: $(document).ready(function() { $(window).scroll(function() { if($(window).scroll) { $('div#loadMoreComments').show(); $.ajax({ type : "POST", url : "getvariables.php", dataType: "json", data : { webid: $(".posts:last").attr('id') } }).done(function( msg ) { jQuery.each(msg , function(index, value){ $("#posts").append(value); }); // $("#posts").append(msg); $('div#loadmore').hide(); }); } }); }); Then I have something like this that has to trigger the popup <p><a href="#inline-1" rel="ibox">Trigger popup.</a></p> <div id="inline-1" style="display: none;"> Content to show up after the link is triggered </div> Will appreciate any help over this. Thanks.

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• How to add an item to the top of a dynamic list

  - by user181318

  Like the title states, does anyone out there have a clear way to implement this type of functionality? Example: If you go to http://weewar.com, in their front page you noticed an ajax module that updates every second. However, all of the new items are added to the top of the list. My question is around that very same functionality. Does anyone have an easy and clear idea as to how one would implement this functionality? So far I have a method that initially creates the list, then another method is called in an interval that pulls the most recent data from the server.. However, I'm stuck with, how can I add the new dynamic node to the top of the list. If you can guide me to where I can find this information or give me an idea as to how I can implement this I will be very happy and grateful :) Thanks in advanced.

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• Asychronous page update with ASP.NET MVC

  - by Graham

  Hi, I'm learning ASP.NET MVC 1.0 and need to implement an asynchronous/dynamic page update. I'm new to MVC and jQuery so I'm not sure what to look for. What I want to do is to allow a user to start a monitoring a domain layer function (similar to a news ticker) and then do a partial page update based on the continously changing results. In ASP.NET I'd do this with a javascript timer to cause a postback, and an AJAX update panel..... but this seems a bit "hacky" for ASP.NET MVC. Is there a better way?

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• Click event not registering on second page.

  - by Cptcecil

  I'm using tablesorter and tablesorter.pager. Here is my code. $(document).ready(function() { $("#peopletable") .tablesorter({ widthFixed: true, widgets: ['zebra'] }) .tablesorterFilter({ filterContainer: $("#people-filter-box"), filterClearContainer: $("#people-filter-clear-button"), filterColumns: [1, 2, 3], filterCaseSensitive: false }) .tablesorterPager({ container: $("#peoplepager") }); $("#peopletable tr.data").click(function() { var personid = $(this).attr('id'); $.ajax({ type: "POST", url: "/Search/GetDocumentsByPerson", data: { "id": personid }, datatype: "json", success: function(data) { var results = eval(data); $("#documentstable > tbody tr").remove(); $.each(results, function(key, item) { $("#documentstable > tbody:last").append(html); }); $("#documentstable").trigger("update"); } }); }); }); Everything works great except when I click on the next page my button click event doesn't fire. Is this a known issue with jquery tablesorter?

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• JQuery remove image src prefix

  - by mtwallet

  Hi. I have a bunch of images on a page that are contained within a div with a class of content-block like this: <div class="content-block"> <img src="../images/path/path/image.jpg" alt="blah" title="blah" /> <img src="../images/path/path/image.jpg" alt="blah" title="blah" /> <img src="../images/path/path/image.jpg" alt="blah" title="blah" /> <img src="../images/path/path/image.jpg" alt="blah" title="blah" /> <img src="../images/path/path/image.jpg" alt="blah" title="blah" /> </div> I am loading this html into a div via ajax. When I load it in I need to remove the "../" before the image path, after it loads in so the path remains correct. Can this be done with JQuery? Many thanks in advance.

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• Retrieve a cross domain RSS(xml) through Javascript

  - by Ajay

  I have seen server side proxy workarounds for retrieving rss (xmls) from cross-domains. In fact this very question addressess my same problem but gives out a different solution. I have a constraint of do not use a proxy to retrieve rss feeds. And hence the Google AJAX Feed API solution also goes out of picture. Is there a client-only workaround for this problem. JSONP is the solution for requests that respond with JSON output. But here, I have RSS feeds which can respond with pure xml . How do I solve the problem.

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• Postback of delimited text from javascript and parsing on server side

  - by Alt_Doru

  In my ASP.NET page, I have a Javascript object, like this: var args = new Object(); args.Data1 = document.getElementById("Data1").value; args.Data2 = document.getElementById("Data2").value; args.Data3 = document.getElementById("Data3").value; The object is populated on client side using user input data. I am passing the data to a C# method, through an Ajax request: someObj.AjaxRequest(argsData1 + "|" + argsData2 + "|" + argsData3) Finally, I need to obtain the data in my C# code: string data1 = [JS args.Data1] string data2 = [JS args.Data2] string data3 = [JS args.Data3] My question is what's the best solution for this? As i am concatenating bits of user input, I don't think it's best to use "|" as a delimiter. Also, it's not clear to me how to actually parse the data in my C# code to populate the three variables with the original data.

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• Access uploaded file in JSON encoded data

  - by okello

  I've encoded my form data into JSON. This has been achieved by the following ExtJS store configuration: Ext.define('XXX.store.Registration', { extend: 'Ext.data.Store', model: 'XXX.model.Registration', autoLoad: true, pageSize: 15, autoLoad: { start: 0, limit: 15 }, proxy: { type: 'ajax', api: { create: './server/registration/create.php', read: './server/registration/get.php', update: './server/registration/update.php', destroy: './server/registration/destroy.php' }, reader: { type: 'json', root: 'registrations', successProperty: 'success' }, writer: { type: 'json', writeAllFields: true, encode: true, root: 'registrations' } } }); My server side code has been implemented in PHP. I can access the encoded form fields by using the field name as a key, as exemplified below: $reg = $_REQUEST['registrations']; $data = json_decode(stripslashes($reg)); $registerNum = $data->registerNum; $folioNum = $data->folioNum; One of the fields in my form is a fileuploadfield. How can I access the uploaded file from the uploaded JSON. Any assistance will be highly appreciated.

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• [jQuery] Any HTML tags inside of tooltip cause basic tooltip to close on hover.

  - by Christian

  Hi. I'm new to jQuery, in fact any kind of AJAX / JavsScript (although not new to PHP, xHTML and CSS). Anyway I'm trying to achieve a "tooltip-like" effect, where I can hover over a div...the new div fades in above it and then when I exit the div the "tooltip" fades out. So here's the basic jQuery I've managed to scrap together reading the odd guide here and there: $(function() { $('#sn-not-logged-in').hover(function() { $('#sn-not-logged-in-hover').fadeIn('medium'); }); $('#sn-not-logged-in-hover').mouseout(function() { $('#sn-not-logged-in-hover').fadeOut('medium'); }); }); Problem is if I put "any" html tag inside the div that hovers in, the second you roll over it the div fades back out. Any ideas how this can be fixed? Cheers.

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• handing data returned from jquery get request

  - by ian

  I have a simple jquery script as follows: $('a').click(function() { //get the id of the song we want to play var song_id = $(this).attr("id"); //do a get request to get the information about the song $.get("http://www.site.com/v4/ajax/get_song_info.php", { id: song_id, }, function(data) { alert("Data Loaded: " + data); }); //alert( song_id ); }); I have gotten it to work and it returns several bits of data 'artist' 'title' 'song duration' and so on. How do I process my 'data' so I can then update my page with each bit. In this case I want to set a series of '' to hold each of the values returned. Thanks.

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• jsonp callback error and parserror

  - by Fatima Zahrae Abbadi

  im devlopping web app with javascript/html5 client side and im using web service rest in the server i want to get json data from the server and i have problem of cross domain and i use JSONP the problme that i had the callback was not called this is the code of REST @GET @Path("agenda") @Produces({MediaType.APPLICATION_JSON}) public List<AgendaChambre> getAgenda() { ArrayList<AgendaChambre>list=new ArrayList<>(); return agenda.findAll(); } and function getdata(){ $.ajax({ type: "GET", dataType:"jsonp", crossDomain: true, url: "http://localhost:8080/wsccm/res/ws/agenda?jsoncallback=?", data: {name: "George Koch"}, jsonpCallback: 'successCallback', success: function(data1) { getdata=JSON.stringify(data1); alert("bieeeeeeeeeeeeeeeeen"); console.log("response:" + getdata); }, error: function(jqXHR, textStatus, errorThrown) { alert('error'+errorThrown); console.log(jqXHR); } });

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• Use jQuery on a variable instead on the DOM ? [solved]

  - by Stef

  In jQuery you can do : $("a[href$='.img']").each(function(index) { alert($(this).attr('href')); } I want to write a jQuery function which crawls x-levels from a website and collects all hrefs to gif images. So when I use the the get function to retrieve another page, $.get(href, function(data) { }); I want to be able to do something like data.$("a[href$='.img']").each(function(index) { }); Is this possible ? ...UPDATE... Thanks to the answers, I was able to fix this problem. function FetchPage(href) { $.ajax({ url: href, async: false, cache: false, success: function(html){ $("#__tmp__").append("<page><name>" + href + "</name><content>" + html + "</content></page>"); } }); } See this zip file for an example how to use it.

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• mysql PHP query question

  - by camran

  Ok, i have a problem here... I am sending values of drop down lists via ajax to this PHP file. Now I want to search a mysql database using these values, which I have managed to do, BUT, only if I set the values to something... Take a look: $query = "SELECT * FROM cars_db WHERE price BETWEEN '$cars_price_from' AND '$cars_price_to' AND year BETWEEN '$cars_year_from' AND '$cars_year_to' AND mileage BETWEEN '$cars_mileage_from' AND '$cars_mileage_to' AND gearbox = '$cars_gearbox' AND fuel = '$cars_fuel'"; now, what if the user doesnt select any "price_from" or "year_from"... The fields are only optional, so if the user doesnt enter any "price from" or "year from", then the user wants ALL cars to show... Do I have to write a query statement for each case or is there another way?

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• How to read the values returned by the Json?

  - by user281180

  I have the following code in my view: <% using (Ajax.BeginForm("JsonCreate", new AjaxOptions { OnComplete = "createCategoryComplete" })) { % Add new category <%=Html.TextBox("CategoryId")% <%=Html.TextBox("Test")% Name: <%= Html.TextBox("Name")% <%= Html.ValidationMessage("Name")% </p> <p> <input type="submit" value="Create" /> </p> </fieldset> </div> <% } % In the controller the code is as follows: [AcceptVerbs(HttpVerbs.Post)] public JsonResult JsonCreate(string Name) { if (ModelState.IsValid) { try { //Return a json object to the javascript return Json(new { CategoryId = 123, Test= "test successful" }); } catch { #region Log errors about the exception //Log error to administrator here #endregion } } //If we got this far, something failed, return an empty json object return Json(new { /* Empty object */ }); } What should be the code in the view for the following function to read the values returned by the Json and update the textboxes for CategoryId and Test? function createCategoryComplete() {....???}

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• Why is order important in moving from tab to tab programmatically (and new in 1.8.10

  - by Bruce

  Hi folks, Up until I updated to jquery-ui-1.8.10 (already using jQuery 1.5), the following code has worked as expected: case 'baseeditor': $('#tab1').html(responseText).fadeIn(500, function() { ... load the contents of the tab and stuff... }); $("#prolearn").tabs("select",1); break; case ... The tab is fueled and then focus is moved from tab0 (from where the ajax call is initiated) to tab1. Now, that code won't work, but this version does: case 'baseeditor': $("#prolearn").tabs("select",1); $('#tab1').html(responseText).fadeIn(500, function() { ... load the contents of the tab and stuff... }); break; case ... Can someone explain the difference - have I just been lucky getting away with my original version? Thanks/Bruce

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• Seek a jQuery-based inplace HTML editor

  - by justSteve

  I just stepped over to http://plugins.jquery.com/search/node/editor - lots and lots of choices - and if to judge by the dates, many new offerings. I'm hoping someone can help me narrow down the field according to these priorities... Stability & Well-formed XHTML (might argue against some of the most recent unless they are revisions with a clear track-record) Inplace editing Good AJAX integration For internal / admin / CMS usage so it can be as bloated as it needs to be long as it's easy to implement the basics: bold ital indents lists No need for tables but dropdowns that show relevent CSS selectors would be nice. thnkx

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