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  • Selecting an item in an HTML SELECT list using keyboard doesnt trigger the CLICK event

    - by Jimbo
    I have an HTML select list which, when an item is selected, must show different information beneath it. The onclick or JQuery change events are triggered when a select list item is selected by being clicked on (mouse), but not when the user uses key presses (keyboard). Any idea what event to watch in order to determine when the selected list item has changed? Here is a BASIC test example: <select id="mylist" name="mylist"> <option value="">(none)</option> <option value="1">Test 1</option> <option value="2">Test 2</option> <option value="3">Test 3</option> </select> <span id="myspan"></span> <script type="text/javascript"> $("#mylist").change(function() { $("#myspan").html($("#mylist").attr("selectedIndex")); }); </script>

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  • How to find why NSMutableData is invalid

    - by 4thSpace
    I access a RESTFUL url and get back results. The results are in JSON. I turn the response into a string via: - (void)connectionDidFinishLoading:(NSURLConnection *)connection { NSString *json = [[NSString alloc] initWithBytes:[self.receivedData mutableBytes] length:[self.receivedData length] encoding:NSUTF8StringEncoding]; The json variable has a value of 0x0. When I mouse over it, I see <Invalid CFStringRef. How can I debug this to tell why it is invalid? I render the JSON given back through the browser in A JSON parser. That checks out fine. Results are given back by entering an ID in the URL. Other IDs return results without issue. The result set is fairly large.

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  • Which is the UI technology of the future considering: eye-candy-effect, interactivity (gestures, voc

    - by user193655
    If you had to write a next-gen application, in which on the surface (UI) you need some "futuristic features", by considering the following aspects which is the choice you'd make? 1) eye-candy: cool UI, 3D, Effects, nice graphics, sound transitions... 2) user interaction: not only mouse and keyboard but touch, voice and more.... + user interactivity aspect, which is the technology you'd choose? 3) X-platform: this is to have some X-platform discussion. Of course single platform technologies (as WPF) have may be some more power, anyway in a general discussion considering X-platform as a resource is important 4) available components: of course the coolest technology with no available components is may be an option for a component developer but not for an application developer My question is generic, but anyway * have in mind data-driven apps, not pure multimedia apps, videogames, ....

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  • How to automate testing of a browser-based app?

    - by mawg
    If it were a windows program, I would use Auto it to automate testing. Is there something similar for browser-based apps? Nothing too complex, it should just allow scripting (preferable for me to macro-recording) to simulate human interaction with the browser, which means being able to identify fields of a form by name, inject text into some, simulate mouse-click on others, etc and then, after submitting a form, should be able to read text certain named controls, check the status of others (checked, radio group index, read-only, etc). While I do appreciate a full featured product, I don't appreciate a steep learning curve. so something as simple as the scripting of Auto It woudl be fine. I don't know if it makes a difference which browser is used, but I could live with MSIE 6 or higher (maybe 7 or higher at a push).

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  • How do you keep application logic separate from UI when UI components have built-in functionality?

    - by Al C
    I know it's important to keep user interface code separated from domain code--the application is easier to understand, maintain, change, and (sometimes) isolate bugs. But here's my mental block ... Delphi comes with components with methods that do what I want, e.g., a RichText Memo component lets me work with rich text. Other components, like TMS's string grid not only do what I want, but I paid extra for the functionality. These features put the R in RAD. It seems illogical to write my own classes to do things somebody else has already done for me. It's reinventing the wheel [ever tried working directly with rich text? :-) ] But if I use the functionality built into components like these, then I will end up with lots of intermingled UI and domain code--I'll have a form with most of my code built into its event handlers. How do you deal with this issue? ... Or, if I want to continue using the code others have already written for me, how would you suggest I deal with the issue?

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  • jQuery index selector

    - by yoda
    Hi, I'm trying to find out a way to know the index of a anchor tag inside a certain div (one div has multiple similar anchor tags), like this : <div> <a>first</a> <a>second</a> <a>third</a> </div> I'm using jQuery, but so far found no sollution to find the index of the anchor I have the mouse currently over. Any ideas? Cheers!

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  • Codebase for making a Flash-based interactive map with SVG vector data?

    - by Mike
    I'm looking for a way to take SVG path info (basically a string of coordinates) and dynamically draw it with Actionscript. Icing on the cake would be if those shapes could detect mouse events to trigger JS and dynamically change their appearance (fill, stroke, etc...). I'm currently trying something similar to this (http://raphaeljs.com/australia.html) using SVG but it's just too slow in IE. I've also tried Google's SVG Web (http://code.google.com/p/svgweb/) which basically does exactly what I'm looking for (it converts SVG to Flash in IE) but again, it's sloooooow - which is why I'm considering doing the whole shebang in Flash. Anyone know of some links to point me in the right direction?

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  • Intellisense for Javascript - not correct in Visual Studio 2008/2010

    - by Finglas
    var obj = document.getElementById("header"); Given the above code snippet, I should be able to wire event handlers. For example, I can wire onMouseDown to the mouse down event, the issue is that Visual Studio does not display this in the Intellisense. I'm trying something such as: obj.onmousedown = mousestatus; Based on a book I'm reading, the code is valid (at least it works) therefore I see no reason why Intellisense is not picking it up. I've tried this on both a standalone Javascript file, as well as an MVC project to no luck. Is there anything I'm doing wrong - or is there a way to resolve this?

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  • Rewriting jQuery to plain old javascript - are the performance gains worth it?

    - by Swader
    Since jQuery is an incredibly easy and banal library, I've developed a rather complex project fairly quickly with it. The entire interface is jQuery based, and memory is cleaned regularly to maintain optimum performance. Everything works very well in Firefox, and exceptionally so in Chrome (other browsers are of no concern for me as this is not a commercial or publicly available product). What I'm wondering now is - since pure plain old javascript is really not a complicated language to master, would it be performance enhancing to rewrite the whole thing in plain old JS, and if so, how much of a boost would you expect to get from it? If the answers prove positive enough, I'll go ahead and do it, run a benchmark and report back with the precise findings. Cheers Edit: Thanks guys, valuable insight. The purpose was not to "re-invent the wheel" - it was just for experience and personal improvement. Just because something exists, doesn't mean you shouldn't explore it into greater detail, know how it works or try to recreate it. This is the same reason I seldom use frameworks, I would much rather use my own code and iron it out and gain massive experience doing it, than start off by using someone else's code, regardless of how ironed out it is. Anyway, won't be doing it, thanks for saving me the effort :)

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  • How to implement tagging in asp.net using visual basic.

    - by Marina A
    Hi all how can i implement tagging in my asp.net website using visual basic. is there any online video tutorials? or complete help of tagging and how to show older tags or give new tags to any contents. secondly i want to know how to implement cloud tagging? The say why of tagging this stake overflow is using right now. when we put the mouse on tags text box it suggest some older tags and also we can enter new tags.

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  • Detect movie being played (Windows)

    - by modosansreves
    Watching a movie is quite a different user activity. User doesn't touch neither mouse nor keyboard. Yet he 'actively' uses the computer. Thus, screensaver shouldn't run, indexing should be performed with care etc. On the other side, playing video requires either using direct write to video memory, or DirectShow, or some other API. This may be the key to the answer. What is the Dead Simple Way to determine that a video is being played?

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  • Issue with Sliding Up/Down a Hidden Div using .toggle()

    - by user1760110
    Can you please take a look at this JSFIDDLE sample which I am trying to create a smooth animate of hidden div from down to up on mouse hover. As you can see the div appears from left down corner but I would like to animate it from bottom to top. I tried to use animate() but I didn't know how to change the hidden div statue from hidden? here is the code I am using: $(document).ready(function() { $('#handler').hover(function(){$('#hidden').toggle(1000)}); });? Can you please let me know how i can use jQuery easing plugin for something like this? Thanks

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  • Overrided ToString doesn't show in debug

    - by marco.ragogna
    I have a collection similar to: Public Class MyCollection Inherits ObservableCollection(Of MyCollection) Private _Name As String Public Property Name() As String Get Return _Name End Get Set(ByVal value As String) _Name = value End Set End Property Public Overrides Function ToString() As String Return "Name: " & _Name End Function End Class I have overrided ToString method in order to help in debug, but it doesn't show up. In the code that follow if, during debug, I move the mouse over coll it shows me Count = 0 Private Sub Window1_Loaded(ByVal sender As Object, ByVal e As System.Windows.RoutedEventArgs) Handles Me.Loaded Dim coll As New MyCollection coll.Name = "Test" End Sub Do you know what could be the problem?

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  • ASP.Net - Gridview row selection and effects

    - by Clint
    I'm using the following code in attempt to allow the user to select a gridview row by clicking anywhere on the row (plus mouse over and out) effects. The code doesn't seem to be applied on rowdatabound and I can't break into the event. (It is wired). The control is in a usercontrol, that lives in a content page, which has a masterpage. protected void gvOrderTypes_RowDataBound(object sender, GridViewRowEventArgs e) { GridView gvOrdTypes = (GridView)sender; //check the item being bound is actually a DataRow, if it is, //wire up the required html events and attach the relevant JavaScripts if (e.Row.RowType == DataControlRowType.DataRow) { e.Row.Attributes["onmouseover"] = "javascript:setMouseOverColor(this);"; e.Row.Attributes["onmouseout"] = "javascript:setMouseOutColor(this);"; e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(gvOrdTypes, "Select$" + e.Row.RowIndex); } }

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  • Storage drives is causting system crash

    - by Chad
    I'm running Centos 5.4 with 750GB(ntfs) and 2TB drives for storage. Originally I installed the 750, everything seemed fine and then I installed the 2TB drive with NTFS already partitioned. I noticed when I would copy a lot of videos it would crash (no mouse or response from server) about 20min into it. After doing some troubleshooting I noticed the 750 would also crash when doing the same task so I decided that NTFS may be the problem. I unmounted the 2TB drive and tried to partition and format it using ext2 but when using parted it would crash at this point "writing inode tables". Looking at the dmesg logs I believe this is the error "mtrr: type mismatch for e0000000,10000000 old: write-back new: write-combining". Any idea as to what could be causing this?

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  • Problems after adding Control dynamically on Panel

    - by Thomas
    Hello, I have added an View List onto a Panel like that: panelComponent.Controls.Add(viewListComponent); Everthing works just fine. Mouse Events are handled, Repaint works. But one: I cant dynamically move it around. If i change the control.Top Variablen it just sit there and nothing. Its clued to the top left corner. Resizing the right and bottom line works just fine! I did it without dynamically adding and than no Problem. Hope you can help. Thomas

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  • How can I position QDockWidgets as the screen shot shows using code?

    - by Nathan
    I want a Qt window to come up with the following arrangement of dock widgets on the right. Qt allows you to provide an argument to the addDockWidget method of QMainWindow to specify the position (top, bottom, left or right) but apparently not how two QDockWidgets placed on the same side will be arranged. Here is the code that adds the dock widgets. this uses PyQt4 but it should be the same for Qt with C++ self.memUseGraph = mem_use_widget(self) self.memUseDock = QDockWidget("Memory Usage") self.memUseDock.setObjectName("Memory Usage") self.memUseDock.setWidget(self.memUseGraph) self.addDockWidget(Qt.DockWidgetArea(Qt.RightDockWidgetArea),self.memUseDock) self.diskUsageGraph = disk_usage_widget(self) self.diskUsageDock = QDockWidget("Disk Usage") self.diskUsageDock.setObjectName("Disk Usage") self.diskUsageDock.setWidget(self.diskUsageGraph) self.addDockWidget(Qt.DockWidgetArea(Qt.RightDockWidgetArea),self.diskUsageDock) When this code is used to add both of them to the right side, one is above the other, not like the screen shot I made. The way I made that shot was to drag them there with the mouse after starting the program, but I need it to start that way.

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  • Why won't my control accept keyboard input?

    - by Mason Wheeler
    I've built a custom control that I'm trying to send input to. It will accept mouse input and report MouseDown, MouseMove and MouseUp correctly, but for whatever reason, it won't accept keyboard input. When I click on it, it doesn't receive focus, and any keys I press get interpreted by whatever control had the focus already. This is probably something really simple. The first place I thought to look was in the ControlStyle property, but the only thing I can see in the helpfile about keyboard input is csNoStdEvents, which disables it, and my control doesn't have that. So what do I need to do to make it so my control can receive input focus?

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  • Is there any "modern" text editor with command-line?

    - by Pedro Morte Rolo
    A command line in a text editor is a wonderful feature. It allows the user to explore the editor's functionality and learn it's shortcuts in a textual way. It's much faster than using the mouse, and it is much easier to memorise "shortcuts" this way. Emacs and VI provide this, though, emacs and vi are not "modern". By "modern", I mean one that is original built to cope with the modern de-facto standards of selecting, copying, pasting, cutting, undoing, redoing and auto-completing. Cream/vi or EmacsCUE are not valid options, since there are loads of things built over them that conflict with the mentioned stuff. Is there any alternative? (I do not intend to use the "modern" term as derrogatory. I love both Emacs and VI, but I hate their keyboard shortcut baggage.) (please do not advertise Vim and Emacs, that's not answering the question. I am asking for alternatives)

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  • Some input regarding Dojo (smooth css change on mouseover)

    - by Andy Walpole
    I've been playing around with Dojo over the last couple of days. The script below changes the background position of the list item when the mouse is over the link. dojo.query('a[class=main-menu-link]').forEach(function(linkTwo) { dojo.connect(linkTwo, "onmouseover", function(evt) { dojo.query('#main-menu ul li').forEach(function(linkThree) { dojo.style(linkThree, { "backgroundPosition": "right center", }); }); You can see it in action in the right hand side menu: http://www.mechanic-one.suburban-glory.com/ I'm trying to work out the best of way of giving it a smooth transition between the two states... I've been looking on the Dojo documentation page but I'm not sure what is the best way of approaching it.

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  • How to run SpecFlow tests in Visual Studio 2010?

    - by testerboy
    Trying to get SpecFlow running with a fresh VS2010 Professional install. Created a new console application and added references to NUnit and SpecFlow. Created a SpecFlow feature. The .feature with the default template code is created. Now I try to run this test, but I don't understand how. When I right-click the project (at the top-level), there is no "Run test(s)" option in the mouse drop down menu. Didn't the SpecFlow install correctly, am I missing some references or some other tool I need to install?

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  • SecurityError: Error #2152: Full screen mode is not allowed.

    - by meghana
    I have one flash player , which have full-screen functionality . which is not working in FF and MAC Chrome . and throws an error as below. SecurityError: Error #2152: Full screen mode is not allowed. at flash.display::Stage/set displayState() at com.IQMediaCorp.core::IQMediaCorpPlayer/ToggleFullScreen() I have googled about the issue and already verified some points below my player have allowfullscreen = true in html object / encode element. the methid ToggleFullScreen is an mouse click event below is code for ToggleFullScreen method public function ToggleFullScreen(e:MouseEvent) { if (stage.displayState == StageDisplayState.FULL_SCREEN_INTERACTIVE) { bKnob.alpha=0; bigScreen=true; stage.displayState=StageDisplayState.NORMAL; } else { bigScreen=false; stage.displayState=StageDisplayState.FULL_SCREEN_INTERACTIVE; bKnob.alpha=0; } } i don't get the reason why it is not working. can anybody help?? Thanks

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  • We are able to connect to remote desktop but randomly keyboard does not work in remote machine. Wher

    - by user340071
    Description: The project deals with interaction with the remote desktop connecting through web browser (Internet Explorer). What we did: We have created an activex which installs through the web browser into client machine which lets the user to connect to different servers through web browser. What is in Activex In Activex we used an MSTSC.lib file and by passing the relevant parameters to it. It connects to the remote Desktop. What are the Problems facing now? We are able to connect to remote desktop but randomly keyboard does not work in remote machine. Where as mouse works perfectly.

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  • MVC Html.ActionLink with post funtionality?

    - by Levitikon
    I'm checking to see if anyone has written an MVC extension for Html.ActionLink that you can pass in Post parameters like such: <% Html.ActionLink("Click me", "Index", "Home", new { MyRouteValue = "123" }, null, new { postParam1 = "a", postParam2 = "b" }); %> That would render the link like normal but having an onClick event that submits an also rendered form with an Action url for the Action, Controller, and Route Values with additional hidden inputs from the Post Parameters like such: <a href="#" onClick="$('#theform').submit(); return false;">Click me</a> <form id="theform" action="/Home/Index/123" method="post"> <input type="hidden" name="postParam1" value="a"> <input type="hidden" name="postParam2" value="b"> </form> I'm looking to redirect users to various pages with potentially a lot of data. Not only from page to page, but from email to page also. This would be highly reusable and I think would clean up a lot of code, and would save a bunch of time writing this if its already floating around out there. I hate recreating the wheel when I don't have to. Thanks!

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  • jQuery image fade not working for unknown reason...?

    - by Henrik Petterson
    Just when I thought I was done for the night, another issue is keeping me awake. It appears that somehow I have broken the fade I was using on my thumbnails. If you go here: http://ftframes.com/milad2/ When you hover your mouse of the thumbnails, it should fade up. To give you an idea, this is a working version of the script: http://nothingcantouchme.com/stackoverflow.php#download_page As you can see, the hover works fine with the fade. And please mind the mess on this one, I just added it to demonstrate. Is there anyone that can kindly assist me in solving this issue? I would lie if I told you that I wasn't completely lost.

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