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  • jQuery attach function to 'load' event of an element

    - by Miguel Ping
    Hi, I want to attach a function to a jQuery element that fires whenever the element is added to the page. I've tried the following, but it didn't work: var el = jQuery('<h1>HI HI HI</H1>'); el.one('load', function(e) { window.alert('loaded'); }); jQuery('body').append(el); What I really want to do is to guarantee that another jQuery function that is expecting some #id to be at the page don't fail, so I want to call that function whenever my element is loaded in the page. To clarify, I am passing the el element to another library (in this case it's a movie player but it could be anything else) and I want to know when the el element is being added to the page, whether its my movie player code that it is adding the element or anyting else.

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  • What impact would a young developer in a consultancy struggling on a project have?

    - by blade3
    I am a youngish developer (working for 3 yrs). I took a job 3 months ago as an IT consultant (for the first time, I'm a consultant). In my first project, all went will till the later stages where I ran into problems with Windows/WMI (lack of documentation etc). As important as it is to not leave surprises for the client, this did happen. I was supposed to go back to finish the project about a month and a half ago, after getting a date scheduled, but this did not happen either. The project (code) was slightly rushed too and went through QA (no idea what the results are). My probation review is in a few weeks time, and I was wondering, what sort of impact would this have? My manager hasn't mentioned this project to me and apart from this, everything's been ok and he has even said, at the beginning, if you are tight on time just ask for more, so he has been accomodating (At this time, I was doing well, the problems came later).

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  • Closing InfoWindow with Google Maps API V3

    - by Oscar Godson
    I've seen the other posts, but they dont have the markers being looped through dynamically like mine. How do I create an event that will close the infowindow when another marker is clicked on using the following code? $(function(){ var latlng = new google.maps.LatLng(45.522015,-122.683811); var settings = { zoom: 10, center: latlng, disableDefaultUI:false, mapTypeId: google.maps.MapTypeId.SATELLITE }; var map = new google.maps.Map(document.getElementById("map_canvas"), settings); $.getJSON('api',function(json){ for (var property in json) { if (json.hasOwnProperty(property)) { var json_data = json[property]; var the_marker = new google.maps.Marker({ title:json_data.item.headline, map:map, clickable:true, position:new google.maps.LatLng( parseFloat(json_data.item.geoarray[0].latitude), parseFloat(json_data.item.geoarray[0].longitude) ) }); function buildHandler(map, marker, content) { return function() { var infowindow = new google.maps.InfoWindow({ content: '<div class="marker"><h1>'+content.headline+'</h1><p>'+content.full_content+'</p></div>' }); infowindow.open(map, marker); }; } new google.maps.event.addListener(the_marker, 'click',buildHandler(map, the_marker, {'headline':json_data.item.headline,'full_content':json_data.item.full_content})); } } }); });

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  • Are delegates copied during assignment to an event?

    - by Sir Psycho
    Hi, The following code seems to execute the FileRetrieved event more than once. I thought delegates were a reference type. I was expecting this to execute once. I'm going to take a guess and say that the reference is being passed by value, therefore copied but I don't like guesswork :-) public delegate void DirListEvent<T>(T dirItem); void Main() { DirListEvent<string> printFilename = s => { Console.WriteLine (s); }; var obj = new DirectoryLister(); obj.FileRetrieved += printFilename; obj.FileRetrieved += printFilename; obj.GetDirListing(); } public class DirectoryLister { public event DirListEvent<string> FileRetrieved; public DirectoryLister() { FileRetrieved += delegate {}; } public void GetDirListing() { foreach (var file in Directory.GetFiles(@"C:\")) { FileRetrieved(file); } } }

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  • Old fashioned html onclick return false doesnt in IE work when jquery script included

    - by user292662
    Ok, so im quite new to jquery but found this bizzar problem just now, If we ignore jquery for a second and consider this scenario, if i have two links like below both with an href and both with and onclick event. The first link will not follow the href because the onclick returns false, and the second link will because the onclick returns true. <a href="/page.html" onclick="return false;">Dont follow</a> <a href="/page.html" onclick="return false;">Follow</a> This works just hunky dory in every browser as it should, the thing is, as soon as i include the jQuery script on the page this stops working in all versions of IE which then always follows the href whether the onclick returns false or not. (it continues to work fine in other browsers) Now if i add an event using jquery and call .preventDefault() on the event object instead of doing it the old fashioned way this behaves correctly, and you may say, well just do that then? But i have a site with thousands of lines of code and i am adding jquery support, i dont want to run the risk that i might miss an already defined html onclick="" and break the website. I cant see why jQuery should prevent perfectly normal javascript concepts from working, so is this a jQuery bug or am I missing something?

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  • C# How can I trigger an event at a specific time of day?

    - by Andrei
    Hello everybody. I'm working on a program that will need to delete a folder (and then re-instantiate it) at a certain hour of the day, and this hour will be given by the user. The hour will most likely be during the night, because that's when nobody is accessing the folder (it's outside working hours). Is there a way to trigger that event at that certain hour? I know about timers, but is there an easier way to do this without a timer that ticks and checks to see what time it is? Thanks.

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  • Youtube video on load through Jquery/JS

    - by jonthecoder2346
    My goal is to display a youtube video through a javascript function that will read the embedded code and load the video automatically in the div assigned. But I am not getting anything shown in the div assigned for the video. Is it because it has to be triggered by a button click? <script type="text/javascript"> var last_cnad_text_1 = ''; var options_cnad_text_1 = { embedMethod:'fill', maxWidth:320, maxHeight: 320 }; function loadVideo() { val = $('#cnad_text_1').val(); if ( val != '' && val != last_cnad_text_1 ) { last_cnad_text_1 = val; $("#embed_cnad_text_1").oembed(val,options_cnad_text_1); } } $(function(){ $('#cnad_text_1').keydown(loadVideo()); $('#cnad_text_1').click(loadVideo()); $('#cnad_text_1').change(loadVideo()); }); </script> <body> <input id="cnad_text_1" type="text" value="" size="60" name="cnad[text_1]"> <div id="embed_cnad_text_1"></div> </body> </html>

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  • how to attach window.close to cntrl+w keypress event in a xul window?

    - by Erik Vold
    I have a XUL window, and I want the cntrl+w hotkey to close the window, but when I attach: window.addEventListener("keypress", function(ev) { GM_log("onkeypress handler: \n" + "keyCode property: " + ev.keyCode + "\n" + "which property: " + ev.which + "\n" + "charCode property: " + ev.charCode + "\n" + "Character Key Pressed: " + String.fromCharCode(ev.charCode) + "\n"); }, true); to the page, it treats pressing 'w' and 'cntrl+w' the same, charCode 119.. how can I determine that cntrl+w was pressed so that I may window.close() ?

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  • Can I interrupt javascript code and then continue on a keystroke?

    - by Brian Ramsay
    I am porting an old game from C to Javascript. I have run into an issue with display code where I would like to have the main game code call display methods without having to worry about how those status messages are displayed. In the original code, if the message is too long, the program just waits for the player to toggle through the messages with the spacebar and then continues. This doesn't work in javascript, because while I wait for an event, all of the other program code continues. I had thought to use a callback so that further code can execute when the player hits the designated key, but I can't see how that will be viable with a lot of calls to display.update(msg) scattered throughout the code. Can I architect things differently so the event-based, asynchronous model works, or is there some other solution that would allow me to implement a more traditional event loop? Am I making sense? Example: // this is what the original code does, but obviously doesn't work in Javascript display = { update : function(msg) { // if msg is too long // wait for user input // ok, we've got input, continue } }; // this is more javascript-y... display = { update : function(msg, when_finished) { // show part of the message $(document).addEvent('keydown', function(e) { // display the rest of the message when_finished(); }); } }; // but makes for amazingly nasty game code do_something(param, function() { // in case do_something calls display I have to // provide a callback for everything afterwards // this happens next, but what if do_the_next_thing needs to call display? // I have to wait again do_the_next_thing(param, function() { // now I have to do this again, ad infinitum } }

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  • How do I create a random method name

    - by Russ Bradberry
    I plan on using JSONP to call an external webservice to get around the fact that I dont want to create a global function that could potentially conflict with the calling page. I thought that creating a random function name and passing it up would work. Something like this: <script src="www.foo.com/b?cb=d357534"> where cb is the callback function name, the server would return d357534({my json data}); what i want to know is how to create the random function name, im sure i could use eval but is this the best way to go about it? essentially, what i am trying to do is this: var d + Math.floor(Math.random()*1000001) = function(){...

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  • Toggle block in jQuery

    - by user201140
    I'd like to click a header link and have the block directly underneath hide or show (with slideToggle) Thanks <div class='header'><a href='#'>Header</a></div> <div class='block'> <div class='test>Some Text</div> <div class='test>Some Text</div> <div class='test>Some Text</div> </div> <div class='header'><a href='#'>Header</a></div> <div class='block'> <div class='test>Some Text</div> <div class='test>Some Text</div> <div class='test>Some Text</div> </div> <div class='header'><a href='#'>Header</a></div> <div class='block'> <div class='test>Some Text</div> <div class='test>Some Text</div> <div class='test>Some Text</div> </div>

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  • Transform any JavaScript function into a page event

    - by Laith
    I need to be able to achieve the following (one way or another): function ShowContent() {} document.onShowContent = function () { // anything I want to happen.... } What I'm trying to do is to add a kind of listener to me Advertisement code on the page that will auto refresh the ad slot when a specific function is called. Instead of having that function "ShowContent()" directly refresh the ad code, I want the ad code to refresh if it detects that "ShowContent()" has been called. Thanks.

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  • how to update div tag in javascript with data from model for onsubmit form asp.net mvc

    - by michael
    In my page i have a form tag which submits to server ,gets data and redirects to same page. problem is the the div tag which has the data from server is not getting updated. how to do that in javascript <% using (Html.BeginForm("Addfile", "uploadfile", FormMethod.Post, new { id = "uploadform", enctype = "multipart/form-data" })) { %> <input type="file" id="addedFile" name="addedFile" /><br /> <input type="submit" id="addfile" value="Addfile" /> <div id="MyGrid"> //data from the model(server side) filelist is not updating</div> what will be the form onsubmit javascript function to update the div tag with the data from the model. and my uploadfile controller get post methods are as [AcceptVerbs(HttpVerbs.Get)] public ActionResult Upload() { return View(); } [AcceptVerbs(HttpVerbs.Post)] public ActionResult AddFile(HttpPostedFileBase addedFile) { static List<string> fileList = new List<string>(); string filename = Path.GetFileName(addedFile.FileName); file.SaveAs(@"D:\Upload\" + filename); fileList.Add(filename); return("Upload",fileList); } thanks, michaela

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  • Any form autofill for 'Developers'?

    - by Majid
    Hi all, I have looked at some autofills for Firefox. But they are not designed with the developers' needs in mind. General internet surfers will need a tool to fill in many different forms with constant values for each form. Developers need exactly the opposite, when you want to test a part of your app you'll need to fill a single (or a couple of) forms many times with different (but valid and sensible) data. So, does such a thing exist? An autofill to fill form inputs based on perhaps a class name (email, password, address, url, ...)? I strongly feel if it doesn't exist someone should roll up their sleeves and make one! I for one will put in my share if some others want to team up. But right now, I am desperately in need of one if it exists

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  • IE not triggering keyboard event on a form with ONE FIELD

    - by raj
    I'm seeing my Friend's code here... <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Check action </TITLE> <script> function detectEvent(){ if(window.event.keyCode==13) { alert("you hit return!"); } } </script> </HEAD> <BODY> <form name="name1" onkeyup="detectEvent()" action="page2.html"> <p> Field1 <input type="text" id="text1"/> </p> </form> </BODY> </HTML> and when he tried entering a value in the textbox and pressed enter, it did not call the detectEvent(). I said, it'll always call onSubmit on enter button..... and he surprised me, <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Check action </TITLE> <script> function detectEvent(){ if(window.event.keyCode==13) { alert("you hit return!"); } } </script> </HEAD> <BODY> <form name="name1" onkeyup="detectEvent()" action="page2.html"> <p> Field1 <input type="text" id="text1"/> </p> <p> Field1 <input type="text" id="text2"/> </p> </form> </BODY> </HTML> Now press enter, The function gets called..... Why so!? Why onKeyUp not called on forms with just one field.!!! am i missing something?

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  • How to pass an event to a method and then subscribe to it?

    - by Ryan Peschel
    Event Handler public void DeliverEvent(object sender, EventArgs e) { } #1: This Works public void StartListening(Button source) { source.Click += DeliverEvent; } #2: And so does this.. public void StartListening(EventHandler eventHandler) { eventHandler += DeliverEvent; } But in #2, you cannot call the method because if you try something like this: StartListening(button.Click); You get this error: The event 'System.Windows.Forms.Control.Click' can only appear on the left hand side of += or -= Is there any way around that error? I want to be able to pass the event and not the object housing the event to the StartListening method.

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  • WPF create a list of controls that can be scrolled via the mouse but still remain functional

    - by Mark
    I have a list of controls that I am displaying via a WrapPanel and it horizontally oriented. I have implemented a "Click and Drag" scrolling technique so that the user scrolls with the mouse via clicking and dragging. Like so: <Canvas x:Name="ParentCanvas" PreviewMouseDown="Canvas_MouseDown" MouseMove="Canvas_MouseMove"> <WrapPanel> <WrapPanel.RenderTransform> <TranslateTransform /> </WrapPanel.RenderTransform> <!-- controls are all in here ... --> </WrapPanel> </Canvas> Then in the code behind: private Point _mousePosition; private Point _lastMousePosition; private void Canvas_MouseDown(object sender, MouseButtonEventArgs e) { _lastMousePosition = e.GetPosition(ParentCanvas); e.Handled = true; } private void Canvas_MouseMove(object sender, MouseEventArgs e) { _mousePosition = e.GetPosition(ParentCanvas); var delta = _mousePosition - _lastMousePosition; if(e.LeftButton == MouseButtonState.Pressed && delta.X != 0) { var transform = ((TranslateTransform)_wrapPanel.RenderTransform).Clone(); transform.X += delta.X; _wrapPanel.RenderTransform = transform; _lastMousePosition = _mousePosition; } } This all works fine But what I want to do is make it so that when a users clicks to drag, the items within the WrapPanel dont respond (i.e. the user is only browsing), but when the user clicks (as in a full click) then they do respond to the click. Just like how the iphone works, when you press and drag directly on an app, it does not open the app, but rather scrolls the screen, but when you tap the app, it starts... I hope this makes sense. Cheers, Mark

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  • What route to take to become a systems developer?

    - by Ramin
    In the past I have done a lot of Java and Python coding. Mostly, I worked on web apps and some simple console or gui apps. I also have a formal education in computer science. What route should I take to become a systems developer? I always did like C++, but never had a chance to use it for anything. Would mastering C++ be one of the steps? If so what resources can you suggest? Also, I would like to know how much different is the work between plain old development and systems development. There seem to be a lot of overlapping between the two.

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  • How to push oath token to LocalStorage or LocalSession and listen to the Storage Event? (SoundCloud Php/JS bug workaround)

    - by afxjzs
    This references this issue: Javascript SDK connect() function not working in chrome I asked for more information on how to resolve with localstorage and was asked to create a new topic. The answer was "A workaround is instead of using window.opener, push the oauth token into LocalStorage or SessionStorage and have the opener window listen to the Storage event." but i have no idea how to do that. It seems really simple, but i don't know where to start. I couldn't find an relevant examples. thanks for your help!

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  • Event problems with FF

    - by s4v10r
    Hi all :) Made this sweet little script to auto change fields after input. Works nicely in IE, Chrome and Safari, but not in FF or opera. JS code: function fieldChange(id, e){ var keyID = (window.event) ? event.keyCode : e.keyCode; if (document.getElementById(id).value.length >= 2){ if (keyID >= 48 && keyID <= 57 || keyID >= 96 && keyID <= 105){ switch(id){ case "textf1": document.getElementById("textf2").focus(); break; case "textf2": document.getElementById("textf3").focus(); break; case "textf3": if (document.getElementById(id).value.length >= 4){ document.getElementById("nubPcode").focus(); } break; } } } HTML: <div class="privateOrderSchema"> <input type="text" id="textf1" name="textf1" maxlength="2" size="4" onKeyUp="fieldChange('textf1')"/>- <input type="text" id="textf2" name="textf2" maxlength="2" size="4" onKeyUp="fieldChange('textf2')" />- <input type="text" id="textf3" name="textf3" maxlength="4" size="5" onKeyUp="fieldChange('textf3')" /> </div> <div class="privateOrderSchema"> <input type="text" id="nubPcode" name="nubPcode" size="4" maxlength="4" /> <br /> </div> Does anybody know how to send the "e" var in this scenario? Tnx all :D ur gr8!

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  • How can I return a link to an active state after mouseout?

    - by Craig
    var menuEnter = { 'color': hoverColor}; var menuLeave = { 'color': 'C0C0C0'}; new ('div#menu a.level1 span.bg', menuEnter, menuLeave, { transition: Fx.Transitions.linear, duration: 200 }, { transition: Fx.Transitions.sineIn, duration: 500 }); I would like the active menu color to not be affected by the mouseleave var. Thank you.

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