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  • jQuery resize not working at FireFox, Chrome and Safari

    - by naveen
    $("#dvMyDIV").bind("resize", function(){ alert("Resized"); }); or $("#dvMyDIV").resize(function(){ alert("Resized"); }); The questions Why is this not working at FireFox, Chrome and Safari? Can this be considered a jQuery bug since the resize is not handled for other browsers? Could the only workaround be calling a SetTimeout function checking the clientHeight and clientWidth? Any workarounds using jQuery?

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  • jQuery internals: Organization of the jQuery Object

    - by sonofdelphi
    I was going through the source code of jQuery. I'm having trouble understanding the wrapping strategy for the jQuery object. (function( window, undefined ) { // Define a local copy of jQuery var jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return new jQuery.fn.init( selector, context ); }, .... .... .... // Expose jQuery to the global object window.jQuery = window.$ = jQuery; })(window); Specifically, what I'm not able to understand stems from the first line. What is the outermost unnamed container function? Why is it required? Why is the container function anonymous? What is the need for the outermost '(' parantheses ?

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  • how to use trigger in Jquery to pass parameter data as well as control (this)

    - by Shantanu Gupta
    I am trying to use same validation funtion for all my controls. But I dont know much in jquery and not been able to pass event handler to the trigger. I want to pass textbox id to my custom function. How can i do this <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#txtFirstName").bind('focusout', function() { $(this).trigger("customblurfocus",[$(this).val(), $(this).val() + " Required !", "Ok !"]); } ); $(this).bind('customblurfocus',function(defaultInputValue,ErrorMessage,ValidMessage) {alert($(this).val()); if($(this).val()=="" || $(this).val()==defaultInputValue) { $(this).val(defaultInputValue); $(this).siblings("span[id*='error']").toggleClass("error_set").text(ErrorMessage).fadeOut(3000); } else { $(this).siblings("span[id*='error']").toggleClass("error_ok").text(ValidMessage).show(1000); } } ); }); </script>

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  • AjaxFileUpload return download panel when data is json

    - by Tr.Crab
    I use AjaxFileUpload (http://www.phpletter.com/Our-Projects/AjaxFileUpload/ ) to upload a file and get json result type response in struts2 ( code.google.struts2jsonresult.JSONResult ) but browser always pop-up download pane, plz give me some suggestions, thanks in advance Here is my config in struts.xml : ...... <result-type name="json" class="code.google.struts2jsonresult.JSONResult"> ............ <action name="doGetList" method="doGetList" class="main.java.GetListAction"> <result type="json"> <param name="target">jsonObject</param> <param name="deepSerialize">true</param> <param name="patterns"> -*.class</param> </result> </action> and js client : function ajaxFileUpload(){ $("#loading").ajaxStart(function(){ $(this).show(); }).ajaxComplete(function(){ $(this).hide(); }); $.ajaxFileUpload ( { url:'doGetList.do', secureuri:false, fileElementId:'uploadfile', dataType: 'json', success: function (data, status) { if(typeof(data.error) != 'undefined') { if(data.error != '') { alert(data.error); } else { alert(data.msg); } } }, error: function (data, status, e) { alert(e); alert(data.records); } } ) return false; }

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  • Tweak Data in Doctrine Migration (say, by running some arbitrary queries)

    - by timdev
    I've got a migration that creates a couple of columns that act as foreign keys. In particular, I'm adding a creator_id and owner_id column to a model. These foreign keys indicate who created, and who currently owns, a particular kind of domain object. Users are managed by sfDoctrineGuardPlugin. What I'd like to do, for the purpose of the migration, is look up the (active) user with the lowest id, and default creator_id/owner_id to that. I don't see any particularly obvious/proper way to run arbitrary operations on the database during a migration. Does anyone know how?

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  • Remove first and last characters from a string in Lisp

    - by powerj1984
    I am passing in command line arguments to my Lisp program and they are formatted like this when they hit my main function: ("1 1 1" "dot" "2 2 2") I have a dot function and would like to call it directly from the argument, but first I must strip the " characters. I tried variations of this function: (defun remove-quotes (s) (setf (aref s 0) '"")) to no avail, Lisp complains that "" is not a member of base-char. Thanks!

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  • How to raise a validation event from a key press

    - by flavour404
    Hi, I want to raise the: private void txtbox_startdate_Validating(object sender, System.ComponentModel.CancelEventArgs e) {} Function from a key leave event. The leave event looks like: private void txtbox_startdate_Leave(object sender, EventArgs e) {} The trouble is of course if I try and call it in this manner: txtbox_startdate_Validating(sender, e) An error is raised because in this case 'e' is an EventArgs whereas the validation function wants a System.ComponentModel.CancelEventArgs and so, how do I convert EventArgs to a System.ComponentModel.CancelEventArgs or create one so that I can call my validation function? Thanks, R.

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  • SQL join to grab data from same table via intermediate table

    - by Sergio
    Hi Could someone help me with building the following query. I have a table called Sites, and one called Site_H. The two are joined by a foreign key relationship on page_id. So the Sites table contains pages, and the Site_H table shows which pages any given page is a child of by having another foreign key relation back to the site table with a column called ParentOf. So, a page can be have another page as a parent. Other data is stored in the Site_H table such as position etc, hence why it is separated out. I would like a query that returns the details of a page along with the details of its parent page. I just cant quite think about how to structure the SQL. Thanks

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  • JavaScript: How to create a new instance of a class without using the new keyword?

    - by Alessandro Vernet
    I think the following code will make the question clear. // My class var Class = function() { console.log("Constructor"); }; Class.prototype = { method: function() { console.log("Method");} } // Creating an instance with new var object1 = new Class(); object1.method(); console.log("New returned", object1); // How to write a factory which can't use the new keyword? function factory(clazz) { // Assume this function can't see "Class", but only sees its parameter "clazz". return clazz.call(); // Calls the constructor, but no new object is created return clazz.new(); // Doesn't work because there is new() method }; var object2 = factory(Class); object2.method(); console.log("Factory returned", object2);

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  • How to use keyword this in a mouse wrapper in right context in Javascript?

    - by MartyIX
    Hi, I'm trying to write a simple wrapper for mouse behaviour. This is my current code: function MouseWrapper() { this.mouseDown = 0; this.OnMouseDownEvent = null; this.OnMouseUpEvent = null; document.body.onmousedown = this.OnMouseDown; document.body.onmouseup = this.OnMouseUp; } MouseWrapper.prototype.Subscribe = function (eventName, fn) { // Subscribe a function to the event if (eventName == 'MouseDown') { this.OnMouseDownEvent = fn; } else if (eventName == 'MouseUp') { this.OnMouseUpEvent = fn; } else { alert('Subscribe: Unknown event.'); } } MouseWrapper.prototype.OnMouseDown = function () { this.mouseDown = 1; // Fire event $.dump(this.OnMouseDownEvent); if (this.OnMouseDownEvent != null) { alert('test'); this.OnMouseDownEvent(); } } MouseWrapper.prototype.OnMouseUp = function () { this.mouseDown = 0; // Fire event if (this.OnMouseUpEvent != null) { this.OnMouseUpEvent(); } } From what I gathered it seems that in MouseWrapper.prototype.OnMouseUp and MouseWrapper.prototype.OnMouseDown the keyword "this" doesn't mean current instance of MouseWrapper but something else. And it makes sense that it doesn't point to my instance but how to solve the problem? I want to solve the problem properly I don't want to use something dirty. My thinking: * use a singleton pattern (mouse is only one after all) * pass somehow my instance to OnMouseDown/Up - how? Thank you for help!

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  • Temporary Onmouseover

    - by 2x2p1p
    Hi guys :) Css "over" selector applys a temporary style to an element, it isn't definitive: div:hover { background-color: red; } I can use the same thing with javascript but it is a bit complicate and impossible for several elements: var elem = document.getElementByTagName ("div")[0]; elem.onmouseover = function () { this.style.backgroundColor = "red"; } elem.onmouseout = function () { this.style.backgroundColor = "transparent"; } There is a better way ? Something like this: document.getElementByTagName ("div")[0].ontemporarymouseover = function () { // LoL this.style.backgroundColor = "red"; } Thanks

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  • Making all variables accessible to namespace

    - by Gökhan Sever
    Hello, Say I have a simple function: def myfunc(): a = 4.2 b = 5.5 ... many similar variables ... I use this function one time only and I am wondering what is the easiest way to make all the variables inside the function accessible to my main name-space. Do I have to declare global for each item? or any other suggested methods? Thanks.

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  • jQuery timer, ajax, and "nice time"

    - by Mil
    So for this is what I've got: $(document).ready(function () { $("#div p").load("/update/temp.php"); function addOne() { var number = parseInt($("#div p").html()); return number + 1; } setInterval(function () { $("#div p").text(addOne()); }, 1000); setInterval(function () { $("#geupdate p").load("/update/temp.php");} ,10000); }); So this grabs a a UNIX timestamp from temp.php and puts into into #div p, and then adds 1 to it every second, and then every 10 seconds it will check the original file to keep it up to speed. My problem is that I need to format this UNIX timestamp into a format such as "1 day 3 hours 56 minutes and 3 seconds ago", while also doing all the incrementation and ajax calls. I'm not very experienced with jquery/javascript, so I might be missing something basic.

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  • Providing updating suggestions list with javascript, php and ajax

    - by user1104854
    I'm trying to modify this example on making a live updating list to integrate it with my API. So, instead of using GET on the page with the form, I'd like to send it to that page via a function call. So, here's my form // message.php //function to display the hint sent from gethint.php function message_hint($hint){ echo $hint; } //displays the form for sending messages function send_message_form($to_user,$title,$message){ include 'gethint.php'; ?> <table> <form name = "send_message" method="post"> <td>Send A Message</td> <tr><td>To:</td><td><input type = "text" size="50" name="to_user" id = "to_user" value ="<? echo $to_user; ?>" onkeyup="showHint(this.value)"></td></tr> <tr><td>Title:</td><td><input type = "text" size="50" name="message_title"></td></tr> <tr><td>Message:</td><td><textarea rows="4" cols="50" name="message_details"></textarea></td></tr> <tr><td><input type="submit" name="submit_message"></td></tr> </table> </form> <? } Here's the head of message.php <head> <script> function showHint(str){ var to_user = document.getElementById("to_user").value //to_user is the id of the textbox if (str.length==0){ to_user.innerHTML=""; return; } if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); }else{// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function(){ if (xmlhttp.readyState==4 && xmlhttp.status==200){ alert(to_user) //properly displays the name via alert box to_user.innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","gethint.php?q="+to_user,true); xmlhttp.send(); } </script> </head> The page gethint.php is exactly the same, aside from this at the bottom. //echo $response //this was the original output $message = new messages; $message->message_hint($response);

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  • Get all Select Elements in a Form by referencing $(this) instead of $("form select")

    - by DaveDev
    Hi Guys I'm currently getting all the Select elements that exist in a form with the following: $("form").submit(function(event) { // gather data var data = GetSelectData($("form select")); // do submit $.post($(this).attr("action"), data, ..etc) }); Instead of passing in $("form select"), is there a way I can say something like $(this).children('select') // this doesn't work, btw to get all the select elements that exist within the context of the form the submit event is executing for? This will allow me to reduce my code to the following, moving all the functionality into a common function: $("form").submit(function(event) { GatherDataAndSubmit($(this)); }); function GatherDataAndSubmit(obj) { var data = GetSelectData(obj.children('select')); $.post(obj.attr("action"), data, ..etc) } Thanks Dave

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  • delete row from result set in web sql with javascript

    - by Kaijin
    I understand that the result set from web sql isn't quite an array, more of an object? I'm cycling through a result set and to speed things up I'd like to remove a row once it's been found. I've tried "delete" and "splice", the former does nothing and the latter throws an error. Here's a piece of what I'm trying to do, notice the delete on line 18: function selectFromReverse(reverseRay,suggRay){ var reverseString = reverseRay.toString(); db.transaction(function (tx) { tx.executeSql('SELECT votecount, comboid FROM counterCombos WHERE comboid IN ('+reverseString+') AND votecount>0', [], function(tx, results){ processSelectFromReverse(results,suggRay); }); }, function(){onError}); } function processSelectFromReverse(results,suggRay){ var i = suggRay.length; while(i--){ var j = results.rows.length; while(j--){ console.log('searching'); var found = 0; if(suggRay[i].reverse == results.rows.item(j).comboid){ delete results.rows.item(j); console.log('found'); found++; break; } } if(found == 0){ console.log('lost'); } } }

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  • Making span clickable after prepend in jQuery

    - by Saif Bechan
    I have a DIV where some code is presented. When I hover on this DIV I want to present a button that toggles the comments inside the code block. So far I have this: $('.code-block').hover( function(){ $(this).prepend('<span class="code-block-control">toggle comments</span>'); }, function(){ $('.code-block-control',this).remove(); } ); $('.code-block-control').click( function(){ $('.comment').toggle(); } ); The span is presented when I hover over the code block. But when I click the span that is created nothing happens. Even if I change the click function to a simple alert nothing happens. Anyone have any idea on how to fix this.

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  • How to return a value from facebook javascript connect api fucntions

    - by dezwald
    I am trying to create wrapper functions on facebook javascript connect api methods. My problem is that i can not return a value within the facebook api FB_RequireFeatures method. i want my isFBConnected() function to return true or false based on if i'm logged into facebook or not. What is happening is that when i return true it returns it to the child function, which makes sense however, my global "login" variable does not get set to true. I've tried setting a timeout to wait until the facebook connect finishes executing and still no luck. any help or other solutions are welcome! my isFBConnected wrapper function is stated below: function isFBConnected(){ var api_key = '<?=$this->apiKey?>'; var channel_path = '<?=$this->xdReceiver?>'; var host_url = '<?=$this->hostUrl?>'; var servicePathShort = '<?=$this->servicePathShort?>'; var login = false; FB_RequireFeatures(["Api"], function(){ // Create an ApiClient object, passing app's API key and // a site relative URL to xd_receiver.htm FB.Facebook.init(api_key, channel_path); var api = FB.Facebook.apiClient; // If FB user session exists - load stats data if(api.get_session()!=null){ if(api.get_session().uid!='' && api.get_session().uid!=undefined){ login = true; alert(api.get_session().uid); return true; } } login = false; return false; }); return false; }

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  • How is a functional programming-based javascript app laid out?

    - by user321521
    I've been working with node.js for awhile on a chat app (I know, very original, but I figured it'd be a good learning project). Underscore.js provides a lot of functional programming concepts which look interesting, so I'd like to understand how a functional program in javascript would be setup. From my understanding of functional programming (which may be wrong), the whole idea is to avoid side effects, which are basically having a function which updates another variable outside of the function so something like var external; function foo() { external = 'bar'; } foo(); would be creating a side effect, correct? So as a general rule, you want to avoid disturbing variables in the global scope. Ok, so how does that work when you're dealing with objects and what not? For example, a lot of times, I'll have a constructor and an init method that initializes the object, like so: var Foo = function(initVars) { this.init(initVars); } Foo.prototype.init = function(initVars) { this.bar1 = initVars['bar1']; this.bar2 = initVars['bar2']; //.... } var myFoo = new Foo({'bar1': '1', 'bar2': '2'}); So my init method is intentionally causing side effects, but what would be a functional way to handle the same sort of situation? Also, if anyone could point me to either a python or javascript source code of a program that tries to be as functional as possible, that would also be much appreciated. I feel like I'm close to "getting it", but I'm just not quite there. Mainly I'm interested in how functional programming works with traditional OOP classes concept (or does away with it for something different if that's the case).

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  • rewrite rule for codeigniter

    - by John
    this is my controller in CI class Welcome extends Controller { function Welcome() { parent::Controller(); } function index() { } function bil($model='') { } I want to do a rewrite so that http://example.com/index.php/welcome/bil/model becomes http://example.com/model in my htaccess I have RewriteBase / RewriteCond $1 !^(index\.php|images|robots\.txt) RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php/welcome/$1 [L] #RewriteRule ^(.*)$ /index.php/welcome/bil/$1 [L] I thought it should be as easy as removing the /index.php/welcome/ part but when I uncomment the last line it get 500 internal server error

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  • jQuery class adding and removing with click and mouseleave

    - by danixd
    I just want to control a div by toggling a class on click, as well as removing it when the mouse leaves the div. I had it working with mouseout, but when I entered over a child element, the mouseOut triggered, so I know I need to use mouseleave. I am just unsure how incorporate telling jQuery the mouse has entered. Yes I am new to this! Here is my code: $(function(){ $('.main').click(function() { $(this).toggleClass('activated'); }); }); $(function(){ $('.main').mouseleave(function() { $(this).removeClass('activated'); }); });

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  • JQuery selfbuild plugin question - default value is overwritten.

    - by Bruno
    Hi jQuery ninjas. I need your help. I have made a really clean and simple example to illustrate my problem. I have build my own jquery plugin: (function($) { $.fn.setColorTest = function(options) { options = $.extend($.fn.setColorTest.defaults,options); return this.each(function() { $(this).css({ 'color': options.color}); }); } $.fn.setColorTest.defaults = { color: '#000' }; })(jQuery); As you can see I'm setting a default color and making it possible for the user to change it. My problem/question is: I have two paragraphs on the same page where I want to use the default color for the first and a different color for the second paragraph: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>Color Test</title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $('a#click').click(function() { $('#test1').setColorTest(); }); $('a#click2').click(function() { $('#test2').setColorTest({color: '#fff666'}); }); }); </script> </head> <body> <a id="click">click here</a> <a id="click2">click here2</a> <p id="test1">Test 1</p> <p id="test2">Test 2</p> </body> </html> My problem is that if I click on the second paragraph (p) that overrides the default color and afterwards clicks on the first p it will use the overwritten color and not the default color for the first p. How can I ensure that the first p always will use the default color? I know I can just define the color for the first p as well but that is not an option here $('#test1').setColorTest('color': '#000'); So what to do?

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  • invalidateList(); in flex3.0

    - by Ankur Sharma
    please tell me what invalidateList(); function does? i have one line of code, in which this function is getting called on arraycollection object like dg.invalidateList(); where dg is the id of datagrid, dataprovider for this dg is colors which is an arraycollection?? plzz tell me wht the invalidateList() function is doin? thanx

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