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  • Why is my long polling code for a notification system not updating in real time? PHP MYSQL

    - by tjones
    I am making a notification system similar to the red notification on facebook. It should update the number of messages sent to a user in real time. When the message MYSQL table is updated, it should instantly notify the user, but it does not. There does not seem to be an error inserting into MYSQL because on page refresh the notifications update just fine. I am essentially using code from this video tutorial: http://www.screenr.com/SNH (which updates in realtime if a data.txt file is changed, but it is not written for MYSQL like I am trying to do) Is there something wrong with the below code: **Javascript** <script type="text/javascript"> $(document).ready(function(){ var timestamp = null; function waitForMsg(){ $.ajax({ type: "GET", url: "getData.php", data: "userid=" + userid, async: true, cache: false, success: function(data){ var json = eval('(' + data + ')'); if (json['msg'] != "") { $('.notification').fadeIn().html(json['msg']); } setTimeout('waitForMsg()',30000); }, error: function(XMLHttpRequest, textStatus, errorThrown){ setTimeout('waitForMsg()',30000); } }); } waitForMsg(); </script> <body> <div class="notification"></div> **PHP*** <?php if ($_SERVER['REQUEST_METHOD'] == 'GET' ) { $userid = $_GET['userid']; include("config.php"); $sql="SELECT MAX(time) FROM notification WHERE userid='$userid'"; $result = mysql_query($sql); $row = mysql_fetch_assoc($result); $currentmodif = $row['MAX(time)']; $s="SELECT MAX(lasttimeread) FROM notificationsRead WHERE submittedby='$userid'"; $r = mysql_query($s); $rows = mysql_fetch_assoc($r); $lasttimeread = $rows['MAX(lasttimeread)']; while ($currentmodif <= $lasttimeread) { usleep(10000); clearstatcache(); $currentmodif = $row['MAX(time)']; } $response = array(); $response['msg'] = You have new messages; echo json_encode($response); } ?>

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  • how to give image path in java script in asp.net mvc

    - by Renu123
    i am using asp.net mvc for my project. i am using partial views for that i used ajax jaquery every thing is working fine but i am not getting image for loading when i upload an image. image get displyed at local host it has problem when i upload the project. i have given image as: $jq("#ajaxThrobber").html('<img src="/Images/ajax-loader.gif"> Loading.....'); please advice me thank you.

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  • Multiple datepicker problem with same ID

    - by namezero
    hi, here is my problem: <input type="text" class="datepick1" id="date" /> <input type="text" class="datepick2" id="date" /> <input type="text" class="datepick3" id="date" /> then i apply datepicker on dom (by classname) $('.datepick1').datepicker(); $('.datepick2').datepicker(); $('.datepick3').datepicker(); = the three dom have datepicker but, onselect date, it change automatically the first one (datepick1) HELP

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  • About Web service ,how to use Ajax to call a specific member function of a class?

    - by Liu chwen
    I'm trying to build a web service by PHP. In my case, I called the getINFO(), but the return value on client side always null. Have no idea to solve this problem.. Here's the SOAPserver code(WS.WEB_s.php): require("WEB_s.php"); ini_set("soap.wsdl_cache_enabled", 0); $server = new SoapServer('wsdl/WEB_s.wsdl'); $server->setClass("WEB_s"); $server->handle(); Where the main Class is(WEB_s.php): final class WEB_s { public function getINFO(){ $JsonOutput = '{"key":"value",...}'; return $JsonOutput; } public function setWAN($setCommand,$newConfigfilePath){ $bOutput; return $bOutput; } } And Client side: $(document).ready(function(){ $('#qqq').button().click(function(){ var soapMessage = LoginSoap($('#uid').val(),$('#pwd').val()); alert('soapMessage'); $.ajax({ //url: 'libraries/WS.WEB_s.php/WEB_s/getINFO',//success , return null //url: 'libraries/WS.WEB_s.php/', //success , return null url: 'libraries/WS.WEB_s.php/getINFO',//success , return null type: 'GET', timeout: (10* 1000), contentType: "text/xml", dataType: "xml", success: function( data,textStatus,jqXHR){ alert('Server success(' + data+')('+ textStatus + ')(' + jqXHR + ')'); }, error: function (request, status, error) { alert('Server Error(' + status+')->'+error); }, complete: function (jqXHR, textStatus) { alert('Server success(' + jqXHR+')('+ textStatus + ')'); } }); }); }); The following is the corresponding WSDL file : http://codepaste.net/95wq9b

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  • Hide elements for current visit only

    - by deanloh
    I need to display a banner that sticks to the bottom of the browser. So I used these codes: $(document).ready(function(){ $('#footie').css('display','block'); $('#footie').hide().slideDown('slow'); $('#footie_close').click(function(){ $('#footie_close').hide(); $('#footie').slideUp('slow'); }); }); And here's the HTML: <div id="footie"> {banner here} <a id="footie_close">Close</a> </div> I added the close link there to let user have the option to close the banner. How ever, when user navigates to next page, the banner shows up again. What can I do to set the banner to remained hidden just for this visit? In other words, as long as the browser remained open, the banner will not show up again. But if user returns to the same website another time, the banner should load again. Thanks in advance for any help!

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  • dynamic tag count on keyup

    - by rod
    Hi All, I have a div that contains many spans and each of those spans contains a single href. Basically it's a tag cloud. I have a textbox with a keyup event that filters the tag cloud div (It actually just hides the tags if not in filter condition). Is there a way to get a count of the tags shown as the keyup event occurs? Thanks, rodchar

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  • Insert something .after a set of elements if the first in the set has a certain class.

    - by Adripants
    I would like to add a label AFTER a group of radio inputs IF the first has a certain class <label>Has the strategy and all of it's relevant background documents been uploaded</label> <label for="Radio1"><input type="radio" name="uploaded" class="required cat1" id="Radio1">Yes</label> <label for="Radio2"><input type="radio" name="uploaded" id="Radio2">No</label> Radio1 has the class, but I'd like to insert a label after the last (in this case Radio2) I thought I could use this: $('input[type="radio"].cat1').siblings('input:last').after('<label>Hi!</label>'); But it doesn't work. Can you pick what I am doing wrong?

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  • online payment process in radio button

    - by keils
    hi guys im developing in my own website.every thing works fine.i want to know if i clicks the any one of the radio button that value change correspondingly.can any one please post some code i tried this below code. my website is http:spsmobile.co.uk just check the link in this page u just go to phone unlock and click make payment you will see the radio button named pay delivery methods thanks in adv var total = parseInt($("div.total-text").text().substring(1), 10); $("input[name='rmr']").bind('change', function () { var amount = 0; switch (this.value) { case "1": amount = 3; break; case "2": amount = 5.5; break; case "4": amount = 10; break; } $("div.total-text").text("£" + (total + amount)); }); }); $(document).ready(function () { $('#primary').bind('change', function () { $.ajax({ type: "POST", url: "include/unlock_function.php", data: $(this).is(':checked'), success: function (theresponse) {} } } }; } }:

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  • upload a image and insert directly into CKEditor

    - by Timmeh
    I'd like to create the same kind of function tumblr has for uploading images and then inserting them directly into the WYSIWYG editor. I was planning on using uploadify to upload the image, then I am not sure of the method for inserting into the CKEditor. Has anyone done anything similar or know of a plugin that could do this? Ideally I'd like it to insert the image wherever the text cursor was last placed. Thanks in advance, Tim

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  • How do I clear the text contents of a div in javascript?

    - by Ben
    I'm temporarily adding contents to a div,tempDiv, and adding that to a link which is appended to a div, #contentHere, that's displayed. I need to clear the contents of tempDiv so that the links aren't appended to each other, creating a string of urls that don't link to anywhere. $(document).ready(function(){ $.getJSON("data.php", function(data){ for(i = 0; i < 5; i++){ $("#tempDiv").append(data.justIn[i].dataLink+ ' '); $("#contentHere").append("<a href=\"#tempDiv\">Click to go to the div link</a>"); //I need to clear the contents of tempDiv here } }); }); Solutions to clearing the temporary contents of the div as I go?

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  • Slick PHP based image manager for managing user profile images

    - by franko75
    Hi, I'm just throwing this out there as I'm plodding my way through creating a Member Photo album on a site i'm working on, where they can login and upload their photos to a personal gallery. I want this to be nice and lightweight, but still slick and "modern" with a modal based interface for the user. I'm surprised though that there is seemingly nothing open source out there which fits the bill - I've done a few searches on Google to no avail and can't seem to find anything. Lots of bloated photo galleries out there but nothing looks like it has been developed using more recent technologies. Is anyone aware of anything which might suit what I'm looking for? I'm fully prepared to try and code it myself but I'd be delighted if I didn't have to! Pure laziness you might say, but there's no point reinventing the wheel.

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  • element height after content change

    - by Neph
    I have a snippet of code that alters the contents of a DIV to match the contents of a textarea and then applies the height change in the DIV to the textarea element. function growTextArea(parameter) { $('div').find("[data-fieldid='1_description']").text($(parameter).val()); // No Works height = $('.hiddenDiv').find("[data-fieldid='1_description']").outerHeight(); alert(height); // Works heightDiv = $('.hiddenDiv').outerHeight(); alert(heightDiv); $(parameter).css('height', $('div').find("[data-fieldid='1_description']").outerHeight()); } The DIV contents change properly, so the search function is working properly, however the search function always returns the original height of the DIV. The function is called by onKeyUp in the textarea. If the .find is swapped out for a .hiddenDiv the height change is reflected properly.

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  • Improved way to build nested array of unique values in javascript

    - by dualmon
    The setup: I have a nested html table structure that displays hierarchical data, and the individual rows can be hidden or shown by the user. Each row has a dom id that is comprised of the level number plus the primary key for the record type on that level. I have to have both, because each level is from a different database table, so the primary key alone is not unique in the dom. example: id="level-1-row-216" I am storing the levels and rows of the visible elements in a cookie, so that when the page reloads the same rows the user had open are can be shown automatically. I don't store the full map of dom ids, because I'm concerned about it getting too verbose, and I want to keep my cookie under 4Kb. So I convert the dom ids to a compact json object like this, with one property for each level, and a unique array of primary keys under each level: { 1:[231,432,7656], 2:[234,121], 3:[234,2], 4:[222,423], 5:[222] } With this structure stored in a cookie, I feed it to my show function and restore the user's previous disclosure state when the page loads. The area for improvement: I'm looking for better option for reducing my map of id selectors down to this compact format. Here is my function: function getVisibleIds(){ // example dom id: level-1-row-216-sub var ids = $("tr#[id^=level]:visible").map(function() { return this.id; }); var levels = {}; for(var i in ids ) { var id = ids[i]; if (typeof id == 'string'){ if (id.match(/^level/)){ // here we extract the number for level and row var level = id.replace(/.*(level-)(\d*)(.*)/, '$2'); var row = id.replace(/.*(row-)(\d*)(.*)/, '$2'); // *** Improvement here? *** // This works, but it seems klugy. In PHP it's one line (see below): if(levels.hasOwnProperty(level)){ if($.inArray(parseInt(row, 10) ,levels[level]) == -1){ levels[level].push(parseInt(row, 10)); } } else { levels[level] = [parseInt(row, 10)]; } } } } return levels; } If I were doing it in PHP, I'd build the compact array like this, but I can't figure it out in javascript: foreach($ids as $id) { if (/* the criteria */){ $level = /* extract it from $id */; $row = /* extract it from $id */; $levels[$level][$row]; } }

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  • Javascript: How to filter object array based on attributes?

    - by JGreig
    I have the following JavaScript JSON array of real estate home objects: var json = { 'homes' : [ { "home_id":"1", "price":"925", "sqft":"1100", "num_of_beds":"2", "num_of_baths":"2.0", }, { "home_id":"2", "price":"1425", "sqft":"1900", "num_of_beds":"4", "num_of_baths":"2.5", }, // ... (more homes) ... ]} var xmlhttp = eval('(' + json + ')'); homes = xmlhttp.homes; What I would like to do is be able to perform a filter on the object to return a subset of "home" objects. For example, I want to be able to filter based on: price, sqft, num_of_beds, and num_of_baths. Question: How can I perform something in javascript like the pseudo-code below: var newArray = homes.filter( price <= 1000 & sqft >= 500 & num_of_beds >=2 & num_of_baths >= 2.5); Note, the syntax does not have to be exactly like above. This is just an example.

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  • No results are returned when using Flickr JSON request

    - by Martijn1981
    I'm still fairly new to AJAX and I'm experimenting with Twitter and Flickr. Twitter is working fine so far, but I've run into some issues with the Flickr API. I'm getting no results back. The URL seems to be working fine and I'm pointing to the right object containing the array ('items'). Can anybody tell me what I'm doing wrong please? Thanks! $('#show_pictures').click(function(e){ e.preventDefault(); $.ajax({ url: 'http://api.flickr.com/services/feeds/photos_public.gne?format=json&jsoncallback=?&tags=home', dataType: 'jsonp', success: function(data) { $.each(data.items, function(i, item){ $('<div></div>') .hide() .append('<h1>'+item.title+'</h1>') .append('<img src="'+item.media.m+'" >') .append('<p>'+item.description+'</p>') .appendTo('#results') .fadeIn(); }) }, error: function(data) { alert('Something went wrong!'); } }); });

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  • How to escape regular expression in javascript ?

    - by Relax
    My codes is like pattern = 'arrayname[1]'; // fetch from dom, make literal here just for example reg = new RegExp(RegExp.quote(pattern), 'g'); mystring.replace(reg, 'arrayname[2]'); But it just cannot get running with error message says: "RegExp.quote is not a function", am i missing something simple?

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  • New Site : Showing first time visitors what the site offers

    - by PlanetUnknown
    The site I'm working on, is almost completed. I have a Demo page created as well, where people can try out the product. However for first time visitors to understand what service the site actually provides I'm brainstorming with the following ideas. Since a lot of folks have been through this a number of time, would like to get some advice on what they use and what generally works. Here is what I came up with - 1.) Plain Slideshow, showing various features. (Using jQquery, hence figuring out a simple BUT professional looking plugin).Simplest to implement. 2.) Flash - Will have to hire someone. 3.) JellyVision ? - I'm not sure if this is free though. But something free like this would be great !

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  • How to tell if string time-A is before time-B?

    - by John Isaacks
    if I have 4 variables startTime; endTime; startMerid; endMerid; startMarid and endMarid are either going to be 'AM' or 'PM'. but startTime and endTime are going to be strings like 'dd:dd' so it may be start:12:30 PM and end:5:30 PM How can I validate that the end time is not before the start time? Thanks!!

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  • Reset after using a link with parameters

    - by CarolinaJay65
    I am using the window.location.search parameters (www.mysite.com?page=1) to direct the user to a specific page within the site. However, since those parameters are still in window.location (the browser) reset button continues to re-direct to the same page. I would like the reset button to re-direct to www.mysite.com How do I clear the .search parameters so the (browser) reset button re-directs where I want? Is it done after the page is loaded? or after the (browser) reset button has been clicked?

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  • Unexpected token from webservice

    - by Kenneth B
    I got this little snippet where I call a Battlefield 3 stat server. If you visit this URL, which I'm calling, we'll be getting no errors: http://api.bf3stats.com/pc/server/?output=json&id=534f7035-cef8-48aa-b233-8d44a0956e68 But when I try to get the stats via Ajax call, I get: Uncaught SyntaxError: Unexpected token : ... In my console I can see that the response is coming in, as when I visit the url, but I can't get the data with the ajax call... Is there something wrong with my code??? $.ajax({ type: "GET", url: "http://api.bf3stats.com/pc/server/?output=json&id=534f7035-cef8-48aa-b233-8d44a0956e68", dataType: "jsonp", success: function(response) { console.log(response); } }); Thank you in advance...

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  • Prevent hash navigation url

    - by Koningh
    I have the following problem: I'm using a slider (coda) to let people navigate trough some 'pages'. The slider uses hash links to navigate to the next page/slide. If a user is at page one (#page1), there is a link which will lead the user to page 2 (#page2) and so on. At the top of the slider the numbers of the pages appear as a link, but only when the page is visited. So if there are six pages and the user navigates from the first to the second and then the third one, there are only three links at the top of the slider (to page one, two and three). The problem is that a user can navigate to page five (or any page actually) without first visiting the pages previous to page five by just using the hash URL and typing the whole link in their address bar. For example if I would type www.mydomain.com/slider/index.php#page5 the slider automatically navigates to the fifth slide/page of the slider and thereby skipping the first four. I want to allow users to navigate to #page5 only if they have visited the first four (So by clicking trough the slides). This means that if they would go to #page5 directly by typing the URL in the address bar, I would like them to be send to the first page (#page1). Does anyone have any idea on solving this?

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