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• Pulling .live() functionality out of jQuery

  - by Daniel

  I am writing a Firefox Add-On that currently is depending on jQuery for the following things: Selectors Animations A special .live("focus") hail-mary event-catching maneuver that happens to work with jQuery 1.4.2 (but not 1.4.4) jQuery isn't well suited for functioning inside XUL, and it's a miracle we've gotten this far with it. We're trying to remove the jQuery requirements, the first two are easy (animations are simple, and we can use .querySelector() instead of jQuery), but the .live has proven impossible to do on our own. I've tried reading the source code, but I haven't been able to piece it apart. What is the jQuery .live function doing? There's clearly a lot more going on than document.addEventListener("focus"/"focusin",function_to_pick_apart_events). What else is going on here?

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• Results page in other window.

  - by xRobot

  I have this simple form: <form method="post" action"."> <input type="text" name="title"> <input type="submit" name"send"> </form> I want that when a user click on submit, then will be open another window of browser with the results. Is it possible ?

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• jQuery responds to click() differently for user and programmatic triggers

  - by Moss

  Here's the code: this.Form.find("input[type=checkbox]").click(function(event) { if ($(this).is(":checked")) { console.log("checked"); } else { console.log("unchecked"); } }); If the checkbox is not checked, and I click with the mouse, I get "checked". If I trigger it programmatically like $("#someCheckbox").click(), I get "unchecked". How to make the two behave the same way?

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• Clear All Event subscriptions (Clone linked)

  - by mattias

  I just implemented Clone from ICloneable and realized that the event subscriptions from my source instance also followed. Is there a good way to clear all those? Currently I am using a couple of these loops for every event I have to clear everything. foreach (var eventhandler in OnIdChanged.GetInvocationList()) { OnIdChanged -= (ItemEventHandler) eventhandler; } foreach (var eventhandler in OnNameChanged.GetInvocationList()) { ... This works fine but clutters the code a bit. Mostly worried to get event dangling.

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• Another way to handle a common JQuery event handling pattern

  - by bradgonesurfing

  I have the following code for example $("a.foo").bind(function (e){ var t; if ( $(e.target).is("a") ){ t = $(e.target); }else{ t = $(e.target).parent("a"); } var data = t.attr("data-info"); }); In english. I might have a list of anchors within which there may be a number of spans. Each anchor is declared as <a class="foo" href="#" data-info="1"> <span> ... </span> <span> ... </span> </a> <a class="foo" href="#" data-info="2"> <span> ... </span> <span> ... </span> </a> ... ... I bind a handler to the click event of the anchor but the event object comes back with the anchor OR one of the spans depending on where I click. So to get my html5 "data-info" value into the callback I have to insert a bit of messy code. This is now appearing throughout my code to the point where I am guessing there might be an idiomatic JQuery way of handling this.

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• Disable (and re-enable) the href and onclick on elements

  - by jibees

  Hello I just want to enable / disable onclick and href on elements (a or div). I don't know how to do this. I can disable onclick by adding an handler on click event, but the href is still available. $(this).unbind().click(function(event){ event.preventDefault(); return; }); FOUND A HACK FOR A ELEMENTS if ($(this).attr("href")) { $(this).attr("x-href", $(this).attr("href")); $(this).removeAttr("href"); }

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• cross button detection by javascript

  - by Ajay_kumar

  I want to give a alert when user will click on cross button through java script.How will i detect event is fire on cross button.

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• Calling function from an object with event listener

  - by Mirat Can Bayrak

  i have a view model something like this: CANVAS = getElementById... RemixView = function(attrs) { this.model = attrs.model; this.dragging = false; this.init(); }; RemixView.prototype = { init: function() { CANVAS.addEventListener("click", this.handleClick); }, handleClick: function(ev) { var obj = this.getHoveredObject(ev); }, getHoveredObject: function(ev) {} ... ... } rv = new RemixView() the problem is my when clickHandler event fired, this object is being equal to CANVAS object, not RemixView. So i get error that says: this.getHoveredObject is not a function What is correct approach at that stuation?

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• Close button detection using JavaScript

  - by Ajay_kumar

  I want to give an alert using JavaScript when the user clicks the close button of the browser. How do I detect the event?

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• How to hook onclick event for each cell in a table in Javascript?

  - by MartyIX

  I was thinking if there's a better solution for adding onclick handler to each cell in a table than this approach: http://stackoverflow.com/questions/1207939/adding-an-onclick-event-to-a-table-row Better in the way that I wouldn't need to set "cell.onclick = function" for each cell. I just need to get the coordinations of a cell where user clicked. Thanks!

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• Detect if the iframe content has loaded successfully.

  - by skinssay

  Hi, I have a widget that contains an iframe. The user can configure the url of this iframe, but if the url could not be loaded (it does not exists or the user does not have access to internet) then the iframe should failover to a default offline page. The question is, how can I detect if the iframe could be loaded or not? I tried subscribing to the 'load' event, and, if this event is not fired after some time then I failover, but this only works in Firefox, since IE and Chrome fires the 'load' event when the "Page Not Found" is displayed.

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• jquery not select?

  - by acidzombie24

  i have a click event for $('#blah div'). div has text inside of it (not inside a div, span, p, etc) and has a textarea in it. The textarea is triggering the event as well, how do i make it only trigger when i click the text and ignore the textarea?

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• ASP.net PreInit() Vs Init()

  - by ASP.netBeginner

  From local forum i understood that PreInit can be used to handle the following PreInit() >Master pages can be called dynamically >Themes can be set dynamically >Programatically add controls to controls collection and i read Init() is for Init() In this event, we can read the controls properties (set at design time). We cannot read control values changed by the user because that changed value will get loaded after LoadPostData() event fires. Question I am not getting the point "We cannot read control values changed by the user".Where do users change the value of control?.Example would help me to understand the point.

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• How to perform .select() on jQuery masked text input

  - by dllhell

  I'm using http://digitalbush.com/projects/masked-input-plugin/ plugin. There is an input text with defined mask: <input type="text" id="txtMyInput" class="FocusSense"/> and a script: $(document).ready(function () { jQuery(function ($) { $("#txtMyInput").mask("?9.99"); }); $(".FocusSense").focus(function () { this.select(); }); }) As you can see, I would like select all in txtMyInput on focus but but alas! On focus, mask appears and loose .select(). What should I do to preserve mask and .select()?

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• What is the syntax to declare an event in C#?

  - by Tilendor

  In my class I want to declare an event that other classes can subscribe to. What is the correct way to declare the event? This doesn't work: public event CollectMapsReportingComplete;

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• How could I click in a control and drag (not Drag and Drop) out of it but still follow the event as

  - by Jelly Amma

  Hello, I would like to allow the user to click within my UserControl and drag left/right to zoom in/out but I'd like the dragging not to be restricted to the actual control's boundaries. What sort of event or strategy would be the right way to track the mouse position outside the control and the form until the mouse click is released ? Thanks in advance for any help or advice.

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• Setting an attribute property to the type of the decorated class.

  - by cmaduro

  Is it possible to get the decorated class' type inside of the custom attribute's class? For example: [MetadataAttribute] [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property, AllowMultiple = false)] public class ViewAttribute : ExportAttribute { public object TargetRegion { get; set; } public Type ViewModel { get; set; } public Type Module { get; set; } public ViewAttribute() : base(typeof(UserControl)) { Module = GetDecoratedClassType(); //I need this method } } In the following example GetDecoratedClassType() would return HomeView [View] HomeView MyHomeView { get; set; }

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• about event handle-function in JavaScript

  - by T_t

  hi! In my program,i write like this: function handleFuc( event ){ var a = event.pageX; var b = event.pageY; var tempdiv = document.createElement("div"); tempdiv.onmouseout = function(){ var x = event.pageX; // 1 var y = event.pageY; // } } var div = document.getElementById( "id" ); div.onmouseover = function(){ handleFuc( event ); } now,in function handleFuc, how could i distinguish the two "event"? Thanks! :)

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• jQuery: How do I insert an html string an arbitrary number of times (i.e. not with an each() function)?

  - by Sam Bivins

  I just need to take a certain html query object and append it to an html element a lot of times. I have this: var box = $("<div class='box'>&nbsp</div>"); $("#firstbox").after(box); and it works fine, but it just adds one 'box' after the #firstbox element. I'd like to do something like this: var box = $("<div class='box'>&nbsp</div>"); $("#firstbox").after(box * 6000); so that it will insert 6000 copies of that 'box' html, but this is not working. This is I'm sure the easiest thing to do, but I can't seem to find how to multiply actions like this without using the each() function, which doesn't apply here because I don't have 6000 of anything on my page. Thanks.

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• Column moved [finished] event in JTable

  - by chown

  How should I detect that column moved action is finished in JTable? I've added columnModeListener to my column model but the problem is columnMoved method is called every time a column moves (by certain pixels). I don't want this behavior. I just want to detect when the column dragging is finished. columnModel.addColumnModelListener(new TableColumnModelListener() { public void columnAdded(TableColumnModelEvent e) { } public void columnRemoved(TableColumnModelEvent e) { } public void columnMoved(TableColumnModelEvent e) { //this is called so many times //I don't want this, but something like column moved finished event System.out.println("Moved "+e.getFromIndex()+", "+e.getToIndex()); } public void columnMarginChanged(ChangeEvent e) { } public void columnSelectionChanged(ListSelectionEvent e) { } }); I hope it is clear what I'm looking for. Thanks.

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• What's the easiest way to do form validation for jQuery?

  - by ming yeow

  All i want to do is to check if the textfield has been changed. if not, i want to highlight the boxes when submit is pressed. how do i do that? seems very simple, but not sure why every other solution is so complicated

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• Custom InputIterator for Boost graph (BGL)

  - by Shadow

  Hi, I have a graph with custom properties to the vertices and edges. I now want to create a copy of this graph, but I don't want the vertices to be as complex as in the original. By this I mean that it would suffice that the vertices have the same indices (vertex_index_t) as they do in the original graph. Instead of doing the copying by hand I wanted to use the copy-functionality of boost::adjacency_list (s. http://www.boost.org/doc/libs/1_37_0/libs/graph/doc/adjacency_list.html): template <class EdgeIterator> adjacency_list(EdgeIterator first, EdgeIterator last, vertices_size_type n, edges_size_type m = 0, const GraphProperty& p = GraphProperty()) The description there says: The EdgeIterator must be a model of InputIterator. The value type of the EdgeIterator must be a std::pair, where the type in the pair is an integer type. The integers will correspond to vertices, and they must all fall in the range of [0, n). Unfortunately I have to admit that I don't quite get it how to define an EdgeIterator that is a model of InputIterator. Here's what I've succeded so far: template< class EdgeIterator, class Edge > class MyEdgeIterator// : public input_iterator< std::pair<int, int> > { public: MyEdgeIterator() {}; MyEdgeIterator(EdgeIterator& rhs) : actual_edge_it_(rhs) {}; MyEdgeIterator(const MyEdgeIterator& to_copy) {}; bool operator==(const MyEdgeIterator& to_compare) { return actual_edge_it_ == to_compare.actual_edge_it_; } bool operator!=(const MyEdgeIterator& to_compare) { return !(*this == to_compare); } Edge operator*() const { return *actual_edge_it_; } const MyEdgeIterator* operator->() const; MyEdgeIterator& operator ++() { ++actual_edge_it_; return *this; } MyEdgeIterator operator ++(int) { MyEdgeIterator<EdgeIterator, Edge> tmp = *this; ++*this; return tmp; } private: EdgeIterator& actual_edge_it_; } However, this doesn't work as it is supposed to and I ran out of clues. So, how do I define the appropriate InputIterator?

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• Adding image to html markup

  - by user1491991

  Hello guys i'm having a problem appending a image to my html markup which is generated when a button is clicked... wondering if i could some dirction __--------------------------SCRIPT----------------------------------------------------------- (function($){ $.confirm = function(params){ if($('#confirmOverlay').length){ // A confirm is already shown on the page: return false; } var buttonHTML = ''; $.each(params.buttons,function(name,obj){ // Generating the markup for the buttons: buttonHTML += '<a href="#" class="button '+obj['class']+'">'+name+'<span></span></a>'; if(!obj.action){ obj.action = function(){}; } }); var closetext= 'close'; var markup = [ '<div id="confirmOverlay">', '<div id ="model">','<div id="confirmBox">', '<div id="header">','<div id ="title">',params.title,'</div>', '<div id="close">','<ol id = "olclose">','<li id = "liclose">','<a id="close" href = "#">',closetext,'</a></li>', '<li id = "liclose">','<a id="close" href = "#">','<img src="../modal-close.gif"/>','</a></li>','</ol></div></div>', '<div id ="textbox">','<p>',params.message,'<br>','<br>' ,buttonHTML,'</p>', '</div>', '</div></div></div></div>' ].join(''); $(markup).hide().appendTo('body').fadeIn(); var buttons = $('#confirmBox .button'), i = 0; $.each(params.buttons,function(name,obj){ buttons.eq(i++).click(function(){ // Calling the action attribute when a // click occurs, and hiding the confirm. obj.action(); $.confirm.hide(); return false; }); }); } $.confirm.hide = function(){ $('#confirmOverlay').fadeOut(function(){ $(this).remove(); }); } })(jQuery); i've used firebug to check and its unable to fetch the image here

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• Windows setevent processsing

  - by Waldorf

  I wonder how setevent is handled internally within Windows. I have the following situation Std::thread thread loop which executes while std::atomic == true Inside the loop is a waitforsingleObject which sleeps infinite in alertable state. A function stopThread() which does the following: - Clears the atomic bool - Calls Setevent on the event object - Calls thread.join This often hangs, I get the impression that setevent has still some work to do in the current thread, while join blocks the current thread. If I add an additional Boolean in the thread which is set after waitforsinlgleObject and I wait for this to be set before calling join() Everything seems to work ok. Code (error checking omitted here) Init code/declarations: HANDLE m_WakeupThreadEvent; std::atomic<bool> m_ReceiverEnabled; m_WakeupThreadEvent = CreateEvent(NULL, false, false, "RxThreadWakeupEvent" ); Thread code: while(m_ReceiverEnabled) { DWORD rslt = WaitForSingleObjectEx(m_WakeupThreadEvent, INFINITE, true); // Here some checking for rslt; } function code: m_ReceiverEnabled = true; SetEvent( m_WakeupThreadEvent ) m_Thread.join() Is there some explanation for this behavior ? I could not find any details about the operation of setEvent()

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• Java. What to do with Choice()???

  - by modzo

  import java.awt.*; import java.awt.event.*; import java.applet.*; public class ChoiceSample extends Applet implements ActionListener, ItemListener { Choice dz2; public void init(){ dz2 = new Choice(); dz2.addItem("female"); dz2.addItem("male"); dz2.addItemListener(this); add(dz2); public void itemStateChanged(ItemEvent e) { String result = dz2.getSelectedItem(); repaint(); if(result.equals(getParameter("male"))){ dz1 = 0.5; } else{ dz1 = 0.7; } } } /* this is yust a fragment from my program but this is the only thing that I can`t make right. I need when I chose male - dz1 = 0.5, but when I chose female dz1 = 0.7 Can someone help me, please? */

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