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  • Best way to return a user-generated file, AJAX or Forms?

    - by Bill Zimmerman
    Hi, I'm new to web programming, so I need some help. I am writing a custom file-creation app for my site. A user visits the page, clicks on some various options and toggles some checkboxes, and the presses a 'download now' link. I have a PHP backend which will be processing the submission, and generating a PDF file. After the user presses the download link, I want the download to start like it would for any static link. My question is: What is the best way to do this? From my limited understanding, I have a choice between using AJAX or somehow using forms to submit the data. What are the advantages/disadvantages of each? Does anyone have any good links to examples? Thanks

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  • Parameterizing max value of a jQuery ui slider

    - by Gandalf StormCrow
    I'm trying to create this slider http://jqueryui.com/demos/slider/#rangemax Is it possible to parametrize the max value? For ex: $("#slider-range-max").slider({ range: "max", min: 1, max: maxValue, value: 2, slide: function(event, ui) { $("#amount").val(ui.value); } }); Is it possible to pass maxValue value, when I click on something? After its been initialized? Not on document ready function, but even after that?

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  • functions inside or outside jquery document ready

    - by Hans
    Up until now I just put all my jQuery goodness inside the $(document).ready() function, including simple functions used in certain user interactions. But functions that don´t require the DOM document to be loaded or are only called afterwards anyway, can be placed outside the $(document).ready() as well. Consider for example a very simple validation function such as: function hexvalidate(color) { // Validates 3-digit or 6-digit hex color codes var reg = /^(#)?([0-9a-fA-F]{3})([0-9a-fA-F]{3})?$/; return reg.test(color); } The function is only called from within the $(document).ready() function though. What is best practice (syntax, speed); placing such a function inside or outside the jquery document ready function?

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  • Userscript: pass a variable to new page

    - by Anon
    I am trying to pass a variable from one page, load another and enter that information. something Like this: When 127.0.0.1/test.html&ID=1234 location.href = "127.0.0.1/newpage.html" if (location.href == newpage.html){ var e = document.GetElementById("Loginbx"); e.Value = ID } I don't have access to modify 127.0.0.1/test.html nor newpage.html but would like to pass variables to them from another. Is this possible?

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  • Is jWYSIWYG editor too buggy for production use?

    - by alex
    After reading the comments on this site: http://www.webresourcesdepot.com/jwysiwyg-jquery-inline-content-editor-plugin/ There is a bit of consensus that jWYSIWYG editor is too buggy (especially in the last few recent comments). Has anyone had experience with it in a large production site? I haven't run a huge sample of markup through it yet, but so far it has seemed to do the job fine.

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  • CasperJS Load next page in loop

    - by SquiresSquire
    I've been working on a script which collates the scores for a list of user from a website. One problem is though, I'm trying to load the next page in the while loop, but the function is not being loaded... this.thenOpen("http://www.url.com?ul=" + currentName + "&sortdir=desc&sort=lastfound", function (id) { return function () { this.capture("Screenshots/" + json.username[id] + ".png"); if (!casper.exists(x("//*[contains(text(), 'That username does not exist in the system')]"))) { if (casper.exists(x('//*[@id="ctl00_ContentBody_ResultsPanel"]/table[2]'))){ this.thenEvaluate(tgsagc.tagNextLink); tgsagc.cacheCount = 0; tgsagc.continue = true; this.echo("------------ " + json.username[id] + " ------------"); while (tgsagc.continue) { this.then(function(){ this.evaluate(tgsagc.tagNextLink); var findDates, pageNumber; pageNumber = this.evaluate(tgsagc.pageNumber); findDates = this.evaluate(tgsagc.getFindDates); this.echo("Found " + findDates.length + " on page " + pageNumber); tgsagc.checkFinds(findDates); this.echo(tgsagc.cacheCount + " Caches for " + json.username[id]); this.echo("Continue? " + tgsagc["continue"]); return this.click("#tgsagc-link-next"); }); } leaderboard[json.username[id]] = tgsagc.cacheCount; console.log("Final Count: " + leaderboard[json.username[id]]); console.log(JSON.stringify(leaderboard)); } else { this.echo("------------ " + json.username[id] + " ------------"); this.echo("0 Caches Found"); leaderboard[json.username[id]] = 0; console.log(JSON.stringify(leaderboard)); } } else { this.echo("------------ " + json.username[id] + " ------------"); this.echo("No User found with that Username"); leaderboard[json.username[id]] = null; console.log(JSON.stringify(leaderboard)); }

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  • IE 8 html parsing error message.

    - by user48408
    I'm experiencing the problem outlined in this kb article. http://support.microsoft.com/kb/927917 . Sorry I can't hyperlink cos i don't have enough points! "This problem occurs because a child container HTML element contains script that tries to modify the parent container element of the child container. The script tries to modify the parent container element by using either the innerHTML method or the appendChild method." The problem I'm having diagnosing the source of my problem is 2 fold: 1) This is only happening on some client machines (All are running IE8) and not others. How/Why only some? 2) I don't have any scripts which modify the innerHTML or call appendChild on any dom elements. I do have server side code which modify properties on asp .net server controls. (Essentially all thats happening is a panel control with some more controls is being made visbile or invisible on a button click), would these in turn then set the innerHTML property of the client rendered control(?)

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  • JQuery Autocomplete CSS not working?

    - by gath
    I am trying to implement JQuery Autocomplete pluggi using Django. I've been able to wire the thing together and I can actually see the result back in the HTML template. My problem is that the JQuery Autocomplete CSS doesn't seem to work. The results I get are not well formatted/styled, and they have no background and you cannot even select them. What is it that am missing? I have these three files in my media folder same folder: autocomplete.js dimensions.js autocomplete.css In my html template I have the following function: $(function(){ setAutoComplete("tags", "tagResults", "/taglookup/?query="); }); My textfield looks like this; <input type="text" name="tags" value=""> Where do I put the tagResults in my HTML template document? Every time I try to introduce a DIV with id="tagResults", JQuery throws an error. Any ideas?

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  • CSS Pseduo-selectors and IE

    - by Nimbuz
    I'd like to use css pseudo-selectors ( parent > child, element:first-child ) in my stylesheet but IE6 doesn't seem to recognize those. Is there any plugin (jQuery preferably) that would allow me to use pseudo-selectors freely without worrying about the damned IE6? Thanks

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  • onchange event is not woking

    - by Jim
    Hello guys, Whats wrong with this code? My first function working fine but second function is not working. Please help me. Thanks function bag1() { var sum = 0; var qty = document.form1.qty.value; var pack = document.form1.pack.value; document.form1.bag.value = (qty*pack)/100; } function bag2() { var sum = 0; var qty = document.form1.qty.value; var pack1 = document.form1.pack1.value; document.form1.bag1.value = (qty*pack1)/100; } Here is HTML code <input id="item1" name="item1" type="text" maxlength="255" value=""/> <input type="text" maxlength="255" value=""/> <input id="weight" name="weight" type="text" maxlength="255" value=""/> <input id="pack" name="pack" type="text" maxlength="255" onchange="bag1();" value=""/> <input id="bag" name="bag" type="text" maxlength="255" value=""/> <input id="rate" name="rate" type="text" maxlength="255" value=""/> <input id="amount" name="amount" type="text" maxlength="255" value=""/> <input id="element_12" name="type" type="text" maxlength="255" value=""/> <input id="element_13" name="brand" type="text" maxlength="255" value=""/> <!-------------------------- Caculating 2th Row ---------------------------------------------------------------> <input type="text" maxlength="255" value=""/> <input type="text" maxlength="255" value=""/> <input id="weight2" name="weight2" type="text" maxlength="255" value=""/> <input id="pack2" name="pack2" type="text" maxlength="255" value=""/> <input id="bag2" name="bag2" type="text" maxlength="255" onchange="bag2();" value=""/> <input id="rate2" name="rate2" type="text" maxlength="255" value=""/> <input id="amount2" name="amount2" type="text" maxlength="255" value=""/> <input id="element_12" name="type" type="text" maxlength="255" value=""/> <input id="element_13" name="brand" type="text" maxlength="255" value=""/> </form type="submit" value="calculator2">

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  • Iterating through list of keys for associative array in JSON

    - by Simon_Weaver
    I have an associative array in JSON var dictionary = {"cats":[1,2,37,38,40,32,33,35,39,36], "dogs", [4,5,6,3,2]}; Can I get the keys from this? I tried in Visual studio putting a breakpoint but can't see any property that represents keys. Is it not possible? I'm fine creating a separate array if necessary, but was just hoping it wasnt : var keys = ["cats", "dogs"];

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  • Loop through JSON data Associatively

    - by Abs
    Hello all, How can I loop through this json data without referring to the data items by a number. I would like to use it as an associative array. I have this so far: $.post('/controlpanel/search', { type: type, string: string }, function(data){ $.each(data, function() { $.each(this, function(index, itemData) { //alert(data.id) something like this //currently returns undefined }); }); }, 'json'); Example Json Code: [{"id":"1","title":"","link":"http:\/\/www.msn.com","date_added":"0000-00-00 00:00:00", "privacy_type":"0","user_id":"8","field2":"","field3":"","bookmark_id":"70","tag":"clean"}] Thanks all for any help

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  • Loading default value in a dropdown and calling onchange event

    - by J. Davidson
    Hi i have following dropdown <div class="fcolumn"> <label class="text" for="o_Id">Months:</label> <select class="textMonths" id="o_Id" name="periodName" > <option value="000">Select Period--</option> </select> </div> In the following jquery, first it loads fnLoadP() in a drop down list. Than as a default I am loading one of the values in drop down which is '10'. It loads too as default value. But it should be executing $("#o_Id").change.. which it doesn't. $(document).ready(function () { var sProfileUserId = null; $("#o_Id").change(function () { //---- }); fnLoadP(); $("select[name='pName']").val('10'); }); }); Basically my goal is. After dropdown values are loaded, to load '10' as default value and call onchange event in the dom. Please let me know how to fix it.

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  • Add class active when clicking the menu link with Jquery

    - by Adrian
    I have HTML <div id="top" class="shadow"> <ul class="gprc"> <li><a href="http://www.domain.com/">Home</a></li> <li><a href="http://www.domain.com/link1/">Text1</a></li> <li><a href="http://www.domain.com/link2/">Text2</a></li> <li><a href="http://www.domain.com/link3/">Text3</a></li> <li><a href="http://www.domain.com/link4">Text4</a></li> </ul> </div> and JQUERY $(function () { var url = window.location.pathname, urlRegExp = new RegExp(url.replace(/\/$/, '') + "$"); $('#top a').each(function () { if (urlRegExp.test(this.href.replace(/\/$/, ''))) { $(this).addClass('active'); } }); }); The problem is that when i click on the Home link all tabs are getting active class and don't understand why. I need it for the first link to not get any active class.

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  • How to add a local image in my firefox entension?

    - by jin
    I am developing a firefox extension and create a table and in it add a image , and I create a image with : var _img = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "xul:image"); and then I found I couldn't set its attribute "src" with a local image just like use its Url: chrome:\...., so I have to locate it in a web url:http:\ , but a problem will arise, when the http:\ couldn't be visted, How to do? if can I set the attribute of a image with a local url? Thank you very much!

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  • How to store session values with Node.js and mongodb?

    - by Tirithen
    How do I get sessions working with Node.js, [email protected] and mongodb? I'm now trying to use connect-mongo like this: var config = require('../config'), express = require('express'), MongoStore = require('connect-mongo'), server = express.createServer(); server.configure(function() { server.use(express.logger()); server.use(express.methodOverride()); server.use(express.static(config.staticPath)); server.use(express.bodyParser()); server.use(express.cookieParser()); server.use(express.session({ store: new MongoStore({ db: config.db }), secret: config.salt })); }); server.configure('development', function() { server.use(express.errorHandler({ dumpExceptions: true, showStack: true })); }); server.configure('production', function() { server.use(express.errorHandler()); }); server.set('views', __dirname + '/../views'); server.set('view engine', 'jade'); server.listen(config.port); I'm then, in a server.get callback trying to use req.session.test = 'hello'; to store that value in the session, but it's not stored between the requests. It probobly takes something more that this to store session values, how? Is there a better documented module than connect-mongo?

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  • jQuery: Moving window (or FIFO) type DIV?

    - by Legend
    I have been trying to get this effect for a couple of hours now and I must admit I am failing at it. I am trying to construct a DIV that accepts a particular number of items (say 5), when the 6th item is added, the first item that was aded should be removed (first-in-first-out). The feel should have some kind of a fadeIn and fadeOut. Here's what I managed to write till now: ... //Create a ul element with id 'ulele' and add it to a div ... //Do an ajax call and when an element arrives Hash = ComputeHash(message) if(!$("#" + Hash).exists()) { var element = $("<li></li>").html(message).attr('id', Hash).prependTo("#ulele"); $("#" + Hash).hide().delay(10000 - 1000 * messageNumber).show("slow"); _this.prune("#ulele"); } ... prune: function(divid) { $("#" + divid).children().each( function(i, elemLi) { if(i >= maxMessages) $(this).delay(10000).hide("slow").delay(10000).remove(); } ); } I've tried a couple of variations but the final effect I am getting is not that of a FIFO. The elements disappear instantaneously despite the delay and hide("slow") calls. Anyone has a more straightforward approach?

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  • What JS framework offers scroll functionality (+animation) in a div without a scrollbar?

    - by montooner
    All: I want to scroll through a sequence of tumblr/twitter posts as a long sequence of texts. Let's say we have: <div id="mainContent"> _some content_ </div> where the css for mainContent is: #mainContent { padding: 20px 20px; background: #FFF; height:500px; overflow:hidden; } I really like the functionality of Scrollable jQuery, but they require pagination and an array of elements. I'm looking for tips in any of these categories: a js framework I can use to achieve this a solution to paginating the text

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  • In Node.JS, how do I return an entire object from a separate .js file?

    - by Matthew Patrick Cashatt
    Thanks for looking. I am new to Node.js and trying to figure out how to request an object from a separate file (rather than just requesting a function) but everything I try--exports,module-exports,etc--is failing. So, for example, if I have foo.js: var methods = { Foobar:{ getFoo: function(){return "foo!!";}, getBar: function(){return "bar!!";} } }; And now I want to call a function within an object of foo.js from index.js: var m = require('./Methods'); function fooMain(){ return m.Foobar.getFoo(); }; How do I do this? I have tried all sorts of combinations of exports and module-exports but they seem to only work if I call a discrete function that is not part of an object. Thanks!

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  • Float Issue in IE

    - by MrEnder
    Ok I am making a simulated OS type interface. It should open up windows and have a drag handle. This all works perfectly. Then I added a image for an exit button I floated to the right... this made IE mad and IE screwed with the sizing and positioning =[ I've tried a crap load of things. None of which work. Anyone wana help? website is http://opentech.durhamcollege.ca/~intn2201/brittains/labs/ Thanks Shelby

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  • How can I make a Twitter style alert stick to the top of the window?

    - by Robert Robb
    There is an excellent code example on how to make nice jQuery Twitter style alerts here: http://blog.codecrate.com/2009/10/twitter-style-alerts-in-rails.html $(function () { var alert = $('.alert'); if (alert.length > 0) { alert.show().animate({height: alert.outerHeight()}, 200); window.setTimeout(function() { alert.slideUp(); }, 3000); } }); However, one thing that the code doesn't include is functions to stick the alert div to the top of the window, no matter how far down the page the user has scrolled. I have found a few examples but nothing seems to play nice with this existing code. Any ideas?

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