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  • jquery Ajax $.ajaxError

    - by cf_PhillipSenn
    I have a bunch of ajax calls that contain success and error conditions like this one: $.ajax({ url: 'Remote/State.cfc' ,type: "POST" ,data: { 'method': 'UpdateStateName' ,'StateID': StateID ,'StateName': StateName } ,success: function(result){ if (isNaN(result)) { $('#msg').text(result).addClass('err'); } else { $('#' + result + ' input[name="StateName"]').addClass('changed'); }; } ,error: function(msg){ $('#msg').text('Connection error').addClass('err'); } }); All the error conditions are the same. In other words, they all put the phrase "Connection error" in the msg id. Q1: Could I remove all these and replace them with $().ajaxError(function(myEvent, request, settings, thrownError) { $('#msg').text('Connection error').addClass('err'); }); Q2: How would you use myEvent and request to display a more informative error message?

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  • LearnBoost's Socket.IO-Node why onClientMessage not work

    - by KingPin
    Hi, all, I tried to put the module "LearnBoost's Socket.IO-Node", all works, except event 'onClientMessage' Tell, in what there can be a problem, thanks! ...sorry for my english io.listen(server, { onClientConnect: function(client){ client.send(json({ buffer: buffer })); client.broadcast(json({ announcement: client.sessionId + ' connected' })); }, onClientDisconnect: function(client){ client.broadcast(json({ announcement: client.sessionId + ' disconnected' })); }, onClientMessage: function(message, client){ var msg = { mess: [client.sessionId, message] }; buffer.push(msg); if (buffer.length > 15) { buffer.shift(); } client.broadcast(json(msg)); }

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  • How to package Qt Framework on Mac OS X?

    - by Chris Kaminski
    I'm developing an application for the Mac, and I'm wicked new at this - what would be the best way to distribute the Qt Framework so that I'm not impacting an already existing framework, and so that my App.app picks up the libraries. I'm also using boost, so I'm curious how a simple bundle works with libraries.

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  • jQuery/Asp.Net mvc username lookup

    - by MD_Oppenheimer
    OK, for the life of me I can't uderstand why the follwing code is always returning false?? I have debugged with firefox to see what going on, but the function seems to always return false even when the condition username taken is 0(false), here is the jquery code: function CheckAvailability() { showLoader(); $.post("/Account/CheckUsernameAvailability", { userName: $(profile_username).val() }, function(data) { var myObject = eval('(' + data + ')'); var newid = myObject; if (newid == 0) { profile_username_error.removeClass("field_not_valid"); profile_username_error.addClass("field_valid"); $("#validUserName_msg").html("<font color='green'>Available</font>") return true; } else { profile_username_error.addClass("field_not_valid"); profile_username_error.removeClass("field_valid"); $("#validUserName_msg").html("<font color='red'>Taken</font>") return false; } }); } I'm using the /Account/CheckUsernameAvailability to check if a given name is take or not, it not taken(0) should return true, false otherwise.

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  • incremental OL using letters (jQuery)

    - by jquery n00b
    Hi, I'm trying to dynamically add a span to an ol, where the counter should be in letters. eg: A result B result C result etc etc I've got this code which is great for using numbers but I've no idea what to do to it to make the numbers into letters jQuery(document).ready( function() { jQuery('.results ol').each(function () { jQuery(this).find('li').each(function (i) { i = i+1; jQuery(this).prepend('<span class="marker">' + i + '</span>'); }); }); }); Any help is greatly appreciated!

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  • Mixing Matplotlib patches with polar plot?

    - by Roger
    I'm trying to plot some data in polar coordinates, but I don't want the standard ticks, labels, axes, etc. that you get with the Matplotlib polar() function. All I want is the raw plot and nothing else, as I'm handling everything with manually drawn patches and lines. Here are the options I've considered: 1) Drawing the data with polar(), hiding the superfluous stuff (with ax.axes.get_xaxis().set_visible(False), etc.) and then drawing my own axes (with Line2D, Circle, etc.). The problem is when I call polar() and subsequently add a Circle patch, it's drawn in polar coordinates and ends up looking like an infinity symbol. Also zooming doesn't seem to work with the polar() function. 2) Skip the polar() function and somehow make my own polar plot manually using Line2D. The problem is I don't know how to make Line2D draw in polar coordinates and haven't figured out how to use a transform to do that. Any idea how I should proceed?

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  • Lazy evaluation with ostream C++ operators

    - by SavinG
    I am looking for a portable way to implement lazy evaluation in C++ for logging class. Let's say that I have a simple logging function like void syslog(int priority, const char *format, ...); then in syslog() function we can do: if (priority < current_priority) return; so we never actually call the formatting function (sprintf). On the other hand, if we use logging stream like log << LOG_NOTICE << "test " << 123; all the formating is always executed, which may take a lot of time. Is there any possibility to actually use all the goodies of ostream (like custom << operator for classes, type safety, elegant syntax...) in a way that the formating is executed AFTER the logging level is checked ?

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  • Must a Language that Implements Monads be Statically Typed?

    - by Morgan Cheng
    I am learning functional programming style. From this link http://channel9.msdn.com/shows/Going+Deep/Brian-Beckman-Dont-fear-the-Monads/, Brian Beckman gave a brilliant introduction about Monad. He mentioned that Monad is about composition of functions so as to address complexity. A Monad includes a unit function that transfers type T to an amplified type M(T); and a Bind function that, given function from T to M(U), transforms type M(T) to another type M(U). (U can be T, but is not necessarily). In my understanding, the language implementing monad should be type-checked statically. Otherwise, type errors cannot be found during compilation and "Complexity" is not controlled. Is my understanding correct?

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  • Change div backgroung color base on result from servlet using jquery

    - by Both FM
    Java Script Code Snippet $(document).ready(function() { $("#button").click(function(){ $cityName = document.getElementById("name").value; $.post("AddServlet", { name:$cityName }, function(xml) { $("#feedback").html( $("result", xml).text() ); }); }); }); In Servlet String name= request.getParameter("name"); if (name.equals("shahid")) { response.setContentType("text/xml"); out.println("<result>You are shahid</result>"); } else{ response.setContentType("text/xml"); out.println("<result>You are not shahid</result>"); } This is working fine! but I want to change the background color of div (feedback) accordingly , means if condition true, background color should be Green otherwise background color should be Red (else)

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  • Can't get Angular Dart Router to work

    - by JesterXL
    I've tried this syntax in AngularDart 0.11.0: Angular Dart passing data from route service into a controller module.value(RouteInitializerFn, configureRoutes); void configureRoutes(Router router, RouteViewFactory views) { print("configureRoutes"); views.configure({ 'login': ngRoute( path: '/login', view: 'login/login.tpl.html'), 'today': ngRoute( path: '/today', view: '/today/today.tpl.html') }); However, my routing function never seems to get called. I've used both a print statement and breakpoint to no avail. When I attempt to call it like so: WorkoutLoggerApplication(this.rootScope, this.router) { print("WorkoutLoggerApplication::constructor"); new Future.delayed(new Duration(seconds: 2), () { router.go("login", {}); }); } I get: Bad state: Invalid route name: login I've tried 0.10.0, but no dice. I've also tried 3 varieties of the new bind function format, both also don't seem to ever fire the routing function.

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  • alternatives to eval for running remote code.

    - by Raynos
    Are there any alternatives to using eval to immediatly run remote & trusted javascript code. function load(filePath) { var o = $.ajax({ url: filePath, dataType: 'html', async: false }); eval(o.responseText); } load("somePath"); // run a function that relies on the code from o.responseText being loaded doSomethingWithCode(); I'm aware that synchronous loading of javascript is adviced againts. But if there is no choice are there any cross browser alternatives for the use of eval above. [Edit] To clarify in more detail the code being loaded is a self executing function. Which needs to execute before doSomethingWidthCode. It's also being loaded from the server on the same domain hence its trusted.

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  • jquery document.ready multiple declaration

    - by Hendry H.
    I realized that I can specify $(document).ready(function(){}); more than once. Suppose like this $(document).ready(function(){ var abc = "1122"; //do something.. }); $(document).ready(function(){ var abc = "def"; //do something.. }); Is this standard ? Those codes work on my FF (16.0.2). I just a little afraid that other browser may not. What actually happen ? How jQuery handle those code ? Thanks.

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  • change last key name from array in php

    - by robertdd
    i want to be able to change the last key from array i try with this function i made: function getlastimage($newkey){ $arr = $_SESSION['files']; $oldkey = array_pop(array_keys($arr)); $arr[$newkey] = $arr[$oldkey]; unset($arr[$oldkey]); $results = end($arr); //echo json_encode($results); print_r($arr); } if i call the function getlastimage('newkey') it change the key!but after if i print the $_SESSION the key is not changed? why this?

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  • jQuery featured content slider

    - by azz0r
    Hello, I have a content area that loops through divs and shows there content. I'm having trouble making it display the initial content, unfortunately it waits 5000 milliseconds before triggering the very first content area to display. Anyone spot an easy way to make it display the initial area, then slide to the next area and do them at 5000 milliseconds. JS Model.FeatureBar = { current:0, items:{}, init: function init(options){ var me = this; me.triggers = [] me.slides = [] this.container = jQuery('#features'); jQuery('.feature').each(function(i){ me.triggers[i] = {url: jQuery(this).children('.feature-title a').href, title: jQuery(this).children('.feature-title'),description:jQuery(this).children('.feature-description')} me.slides[i] = {image: jQuery(this).children('.feature-image')} }); for(var i in this.slides){ this.slides[i].image.hide(); this.triggers[i].description.hide(); } setInterval(function(){Model.FeatureBar.next()},5000); }, next: function next(){ var i = (this.current+1 < this.triggers.length) ? this.current+1 : 0; this.goToItem(i); }, previous: function previous(){ var i = (this.current-1 > 1) ? this.current-1 : this.triggers.length; this.goToItem(i); }, goToItem: function goToItem(i){ if(!this.slides[i]) throw 'Slide out of range'; this.triggers[this.current].description.slideUp(); this.triggers[i].description.slideDown(); this.slides[this.current].image.hide(); this.slides[i].image.show(); this.current = i; }, } html <div id="features"> <div class="feature current"> <div class="movie-cover"> <a href="/police/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/police/movie">Police</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 50.8604px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/rude/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/rude/movie">Rude</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 18.3475px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/brits/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: block;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/brits/movie">Brits</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 40.1549px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/indie/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/indie/movie">Indie</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 42.4247px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div>

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  • Help with prototype object

    - by nemiss
    Hi, I am mlearning javascript and have some trouble creating an onject via prototype. I have this: <script type="text/javascript"> function myclass(a, b, c) { if (arguments.length) { this.Init(a, b, c); } } myclass.prototype.Init = function(a, b, c) { this.param1 = a; this.param2 = b; this.param3 = c; }; myclass.prototype.Print = function() { alert(this.param1 + '-' + this.param2 + '-' + this.param3); }; var myObject = myclass(3, 5, 6); myObject.Print(); </script> but I get an error on line with this.Init(a, b, c); Error: Object doesn't support this property or method

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  • Convert a "by" object to a data frame in R

    - by lorin
    I'm using the "by" function in R to chop up a data frame and apply a function to different parts, like this: pairwise.compare <- function(x) { Nright <- ... Nwrong <- ... Ntied <- ... return(c(Nright=Nright, Nwrong=Nwrong, Ntied=Ntied)) } Z.by <- by(rankings, INDICES=list(rankings$Rater, rankings$Class), FUN=pairwise.compare) The result (Z.by) looks something like this: : 4 : 357 Nright Nwrong Ntied 3 0 0 ------------------------------------------------------------ : 8 : 357 NULL ------------------------------------------------------------ : 10 : 470 Nright Nwrong Ntied 3 4 1 ------------------------------------------------------------ : 11 : 470 Nright Nwrong Ntied 12 4 1 What I would like is to have this result converted into a data frame (with the NULL entries not present) so it looks like this: Rater Class Nright Nwrong Ntied 1 4 357 3 0 0 2 10 470 3 4 1 3 11 470 12 4 1 How do I do that?

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  • Comparing two ISO8601 dates strings in PHP

    - by oompahloompah
    I need to compare (actually rank/sort) dates in a PHP script. The dates are ISO-8601 Date format i.e. YYYY-MM-DD I wrote a comparison function which splits the dates and compares by year/month/day. However, it seems this may be overkill and I could just as easily done a simple string comparison like: if ($date1 < $date2) // do something elseif( $date1 > $date2) //do something else else //do yet another thing Is my assumption about (ISO-8601) Date string comparison correct - i.e. can I get rid of my function (to save a few clock cycles on the server), or is it safer to explicity do the comparison in a custom function?

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  • Javascript global variable not working properly?

    - by Fabian
    My jQuery code: $(document).ready(function() { chrome.extension.sendRequest({get: "height"}, function(response) { height = response.value; }); $("#id").css("height", height+"px"); }); You don't have to be concerned about the chrome.extension.sendRequest(), basically it communicates with a background page to fetch the value for "height" from localStorage and stores the value in global variable height. The problem lies in $("#id") not being assigned the height value. However if I were to modify it such that it is now: $(document).click(function() { $("#id").css("height", height+"px"); }); it works. Any idea why?

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  • why do i lose my hidden field value?

    - by user517406
    Hi, I have some hidden fields on my page, all of which work fine apart from one. I am setting the value in document.ready, before calling buildGrid() : $(document).ready(function() { $.ajax( { type: "POST", url: "/CDServices.asmx/GetWeekEndingDates", data: "{}", dataType: "json", contentType: "application/json; charset=utf-8", success: function(msg) { //store default dates in hidden fields $("#<%=hdnCurrentDate.ClientID%>").val(msg.d.CurrentDate); $("#<%=hdnLastWeekEndingDate.ClientID%>").val(msg.d.LastWeekEndingDate); } }); buildGrid(); }); Yet in buildGrid, the value in the hidden field is empty : function buildGrid() { alert($("#<%=hdnLastWeekEndingDate.ClientID%>").val()); I call other functions on button clicks where the hidden field value is picked up fine, why does the value disappear here?

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  • How to get HTML from external contents with Jquery?

    - by André
    Hi, I have successfully achieved the task of getting an internal webpage to show on my HTML, like I show bellow. click here to see teste1.html $('#target').click(function() { $.get('teste1.html', function(data) { $('#result').html(data); alert('Load was performed.'); }); }); The main goal is to get an external webpage, but this is not working: $.get('http://www.google.com/index.html', function(data) { $('#result').html(data); alert('Load was performed.'); }); I need to get the HTML from an external webpage to read the tags and then output to Json. Some clues on how to achieve this(load external webpages with Jquery, or should I do it with PHP)? Best Regards.

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  • Why aren't operator conversions implicitly called for templated functions? (C++)

    - by John Gordon
    I have the following code: template <class T> struct pointer { operator pointer<const T>() const; }; void f(pointer<const float>); template <typename U> void tf(pointer<const float>); void g() { pointer<float> ptr; f(ptr); tf(ptr); } When I compile the code with gcc 4.3.3 I get a message (aaa.cc:17: error: no matching function for call to ‘tf(pointer<float>&)’) indicating that the compiler called 'operator pointer<const T>' for the non-templated function f(), but didn't for the templated function tf(). Why and is there any workaround short of overloading tf() with a const and non-const version? Thanks in advance for any help.

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  • stumped on jquery call inside chrome extension

    - by phil swenson
    In my chrome extension I call this: jsonPost = { email:"[email protected]", password:"demo", content: $('#selected_text').val(), notification_type: $('#notification_type').val(), name:$('#notification_name').val() } $.post('http://localhost:3000/api/create.json', jsonPost, function (data) { console.log("type of data = " + typeof(data)); console.log("data in function = " + data); } The data makes it to the server. But the response is lost, in the console ---type of data = String ---data in function = So for some reason I am not getting the response back. Works from the browser. I even tried doing a get against cnn.com and got no response. any ideas? thanks

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  • Jquery code working in all browsers apart from FF

    - by alan
    Hi, I have written the following jquery sitting in the head tags of my HTML It is supposed to bring the image that is being hovered over to full opacity and slide another image over it from the right, then return when un-hovered. <script type="text/javascript"> $(function() { $('ul#img-nav li').css({ "opacity": .5 }); $('ul#img-nav li').hover(function() { $(this).stop(true).animate({"opacity":1}); $(this).children('.overlay').stop(true).animate({"left" : "18px" }); }, function() { $(this).stop(true).animate({"opacity":.5}); $(this).children('.overlay').stop(true).animate({"left" : "180px" }); }); }); This works fine in Safari, Chrome, IE (7,8) but not in FF 3.6. Any suggestions why this might be? Many thanks

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  • Display relative time in hour, day, month and year

    - by JohnJohnGa
    I wrote a function toBeautyString(epoch) : String which given a epoch, return a string which will display the relative time from now in hour and minute For instance: // epoch: 1346140800 -> Tue, 28 Aug 2012 05:00:00 GMT // and now: 1346313600 -> Thu, 30 Aug 2012 08:00:00 GMT toBeautyString(1346140800) -> "2 days and 3 hours ago" I want now to extend this function to month and year, so it will be able to print: 2 years, 1 month, 3 days and 1 hour ago Only with epoch without any external libraries. The purpose of this function is to give to the user a better way to visualize the time in the past. I found this: Calculating relative time but the granularity is not enough.

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