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  • How to Read Device Data From COM

    - by Aamir Khurshid
    I have one device which sends data on COM port say on COM13, now i want to read that data and display it in the RichtextBox or in any text control , i have written the application with the help of IO and IO.Ports but comport.DataRecived event does not fire,even though device is sending data on that port, I have some software on which i define the port number and it successfully display data ,which insure me that data is reciving on the Port but i am unable to recive, is there any way i can read data? Regards, Aamir

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  • Validating String Characters as Numeric w/ Pascal (FastReport 4)

    - by user2525015
    I'm new to Pascal and FastReport. This question can probably be answered without knowledge of FastReport. Pascal is Delphi. FastReport4. I have a text box accepting an 8 character string as input. Each character should be numeric. I'm attempting to validate each character as numeric. I've tried using the val function... Procedure Val(S : String; var R: Real; Code : Integer); begin end; procedure thisinputOnChange(Sender: TfrxComponent); var S : String; error : Integer; R : Real; begin S := thisinput.lines.text; Val (S, R, error); If error > 0 then Button2.enabled := False; end; I got this code online. The explanation says that the function will return an error with a code greater than zero if the character cannot be converted to an integer. Is that explanation correct? Am I misinterpreting? Right now I am trying to set a button's enabled property to false if the validation fails. I might change that to a message. For now, I would like to get it to work by setting the button property. I'm not sure if I should be using the onChange event or another event. I'm also not sure if I need to send the input to the val function in a loop. Like I said, I'm just learning how to use this function. I am able to validate the length. This code works... procedure thisinputOnChange(Sender: TfrxComponent); begin if length(thisinput.lines.text) = 8 then Button2.enabled := True; end; Any suggestions? Should I use the val function or something else? Let me know if I need to provide more info. I might not be able to check back until later, though. Thanks for any help.

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  • Control flex application from embedded Flash control

    - by aip.cd.aish
    I have a flex application and have embedded a flash (SWF) file into it using <mx:SWFLoader>. There is an "Exit" button on the Flash file. I want to be able to handle the button click event on the flex application. So when that button in the flash file is clicked, I want to perform an action in the parent flex application. How can I do this? Thanks!

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  • GWT Button eventlistener designer2

    - by msaif
    I have a html tag. I used ((HasClickHandlers)RootPanel.get("test").getWidget(0)).addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { Window.alert('sss'); } } I executed but no action.

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  • How to extract files from Windows Vista Complete PC Backup?

    - by Martin
    Is there a program or API I can code against to extract individual files from a Windows Vista Complete PC Backup image? I like the idea of having a complete image to restore from, but hate the idea that I have to make two backups, one for restoring individual files, and one for restoring my computer in the event of a catastrophic failure.

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  • Error Connecting to Third Party App via COM: mscorlib Exception from HRESULT: 0x80040202

    - by Dave
    One particular user is getting an exception when connecting an application I created to a third party app using COM. The connection fails with the following error: Source: mscorlib Message: Exception from HRESULT: 0x80040202 This software works fine for other users. Any ideas what could be going on? The error occurs just before the app adds some event handlers to some of the COM objects from the third party app. It is able to successfully instantiate the objects, though.

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  • Safari/Chrome problem with ajaxsubmit?

    - by Jan
    Hi I'm currently having some weird issues with ajaxsubmit (http://jquery.malsup.com/form/#ajaxSubmit), which I'm currently using in a project. I have a flow where I need to open a form into a modal window. I'm using fancybox for that and it works like a charm. When the form has been forced to open in the fancybox window there can happen two things. 1) If the user who is about to submit the form is logged in she should see a confirmation in the modal box, that her input was succesfully submitted 2)If the user is not logged in there should be loaded a login form once she hits the submit button 2.1) When the user has logged in she should receive a confirmation in the modal box. This is also working like a charm in Firefox, IE8 and IE7 but not in Safari or Chrome. The weird part is that it seems like safari and chrome are completely ignoring my ajaxsubmit form. To force the first form to be opened I use the follwoing script - this part is working in both Safari and Chrome. $(".klikEnPrisForm").ajaxForm({ success: function(data){ $.fancybox({'content':data}); } }); My ajaxsubmit form scrip looks like this var options = { url: '/?altTemplate=XmlProxyKlikEnPris', dataType: 'xml', data: $(this).serializeArray(), success: function(data) { if ($(data).find('loggetind').text() == 'true') { $("#klikenpris").hide(); $('<div id="fancybox-inner-klik"></div>').appendTo('#fancybox-inner'); $('#fancybox-inner-klik').load('/KlikEnPrisAccept?tilKvittering=1&sagsno=' + $(data).find('sagsnummer').text() + '&pris=' + $(data).find('pris').text() + '&klik-comment=' + $(data).find('kommentar').text() + '&klik-telefon=' + $(data).find('tlf').text() + '&klik-maeglerkontakt=' + $(data).find('maakontakte').text()).stop(true, true); } else { $("#klikenpris").hide(); $("#fancybox-wrap").css({ 'width': '480px', 'height': '220px' }); $("#fancybox-inner").css({ 'width': '460px', 'height': '220px' }); $('<div id="fancybox-inner-klik"></div>').appendTo('#fancybox-inner'); $('#fancybox-inner-klik').load('/login.aspx?loginklikpris=0&klikpris=1&sagsno=' + $(data).find('sagsnummer').text() + '&pris=' + $(data).find('pris').text() + '&klik-comment=' + $(data).find('kommentar').text() + '&klik-telefon=' + $(data).find('tlf').text() + '&klik-maeglerkontakt=' + $(data).find('maakontakte').text()).stop(true, true); } } }; // bind to the form's submit event $('#klikenprisform').submit(function() { // inside event callbacks 'this' is the DOM element so we first // wrap it in a jQuery object and then invoke ajaxSubmit $(this).ajaxSubmit(options); // !!! Important !!! // always return false to prevent standard browser submit and page navigation return false; }); I have tried inserting an alert in the succes callback function but it's never being called it seems. It seems like the default action is not being overruled by the link written in the "url" in ajaxsubmit. I'm really puzzled about this, since it's working nicely in other browsers and I'm completely lost on how I should approach the debugging in safari/chrome. I hope all the above makes sense and I'm looking forward to hear any suggestions. Cheers!

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  • defining asmx webservice class objects as static

    - by Usama Khalil
    Hi, is it better to declare Webservice class object instances as static as the .asmx webservice classes have only static methods. what i want is that i declare and instantiate webservice asmx class as static in aspx Page Behind Class. and on every event call on that page i could perform operation against webservice methods. is it beneficial in terms of performance? Thanks Usama

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  • glow when touch the button in the view in iphone

    - by Pugal Devan
    Hi, I am new to iphone development. I have seen the facebook application.In Facebook -- Camera(Click)-- Photo Albums--Thumbnails-- Write a caption View. Here click event is highlighted. In this view where ever i touch, the touch is highlighted. How it can be achieve. Can i try like this. Is there any sample codes available?. Please help me out, Thanks.

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  • jQuery Dialog causing buttons not to post-back

    - by jonathanconway
    I'm using the jQuery UI Dialog() function on an ASP.NET webform, on a particular panel. After Dialog() is applied, the buttons become useless and will not post back at all; I'm not even getting a Page_Load event firing, let alone any button events. Is the Dialog function messing with my button events? If so, is there a way to fix this?

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  • Where is my validator?

    - by Danny Chen
    I have a validator in my page: <asp:RequiredFieldValidator ID="rfv1" runat="server" ControlToValidate="IdentifySEDSED1TxtDate" ErrorMessage="Significant Event Date 1 is missing" ValidType="SEDate">*</asp:RequiredFieldValidator> I found that in Page_Load: (below is a screen shot from the Watch Window) this.FindControl("rfv1") {Text = "*"} rfv1 The name 'rfv1' does not exist in the current context See, I can get this control with FindControl, but I can't get it using ID directly! What happens?

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  • How to mask image with another image in ActionScript 3.0

    - by Nicola
    Hi Gurus, my issue is this, my users import an image with FileReference and I need to mask it and then send it to server. My problem is this: I'm be able do keep the filereference event and transfer the image data into my canvas. I'm be able to send to server the result of masking. But I'm NOT be able to mask the image that my users have load in my canvas. There are any help/example?? Thanks Nicola

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  • WebBrowser prevent stealing focus in C#

    - by Maciej
    I'm using webBrowser.Navigate(url) control to display page. I noticed this action steals focus from current control (grid) and than I have problem to focus grid back (tired myGrid.Focus, .Select etc...) This is really annoying behaviour of browser... Does anyone knows how to prevent focus stealing by Browser or (if not) hot to force to focus control back ? EDIT: I've also tried webBrowser.DocumentCompleted event to focus back to grid

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  • Extracting words between delimiters [] in python

    - by kris
    From the below string, I want to extract the words between delimters [ ] like 'Service Current','Service','9991','1.22': str='mysrv events Generating Event Name [Service Current], Category [Service] Test [9991] Value [1.22]' How can I extract the same in python? Thanks in advance Kris

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  • Type 'xxx' is not defined, BC30002 error.

    - by devin M. arnold
    Hello, It is possible to create an instance of a C# class within a aspx.vb codebehind file? When I try this within the Page_Load event: Dim oFlow As New Flow(HttpContext.Current.Request) I get the Type 'Flow' is not defined. The Flow class itself is located here: App_Code/CSCode/Cust/Frm/Flow.cs There's no namespace associated with this class. Any suggestions would be greatly appreciated. cheers, devin

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  • handling mouseover/mouseout events for dijit.TitlePane's titleNode

    - by Shailesh Kumar
    I have a lot of dijit.TitlePanes stacked up one after another. I wish to handle the onmouseover and onmouseout events for the tile part of the TitlePane. What is the correct way of doing this? Will something like : dojo.connect(titlePane.titleNode, 'onmouseover', function f() {}); work, where titlePane is a reference to some dijit.TitlePane object? Is there some declarative way of setting up such an event handler using "dojo/mehtod"?

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  • Why onclientclick do a postback ?

    - by user284523
    I have an asp button with no onclick event but only onclientclick. This call a javascript function in a iframe in which a video is playing; each time I click the javascript function is called but also the video restart which means the page is reloaded. How to prevent this ?

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  • Volume Control in android application

    - by rantravee
    Hi, I'd like to know how to control my application's volume from the volume keys ( contrary to my belief , I've read they control only the ringer volume). Should I overwrite the onKey Down/Up ? , or is there other way to accomplish this ? . I'm asking because if I overwrite the upper mentioned function for an activity, then the functions will receive the event only if a view associated with the this activity has the focus, and I looking for something "Globaly" ( to work no matter what activity is running now)

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  • Show count of all google map markers

    - by aland
    Is there any easy way using the api to get a count of all markers on a map? I have a page similar to this http://www.gorissen.info/Pierre/maps/googleMapLocationv3.php where a user can add markers by clicking on the map. I'd also like to show a count of all the markers. I could do this by declaring a global count var and incrementing it in the event listener, but I thought it would be better if there was an API method I could use and I can find it in the docs.

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  • iPhone smooth move and pinch of UIImageView

    - by Jacob
    I have an image view that I'm wanting to be able to move around, and pinch to stretch it. It's all working, but it's kinda jumpy when I start to do any pinch movements. The position will jump back and forth between the two fingers. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { startLocation = [[touches anyObject] locationInView:mouth_handle]; if([touches count] == 2) { NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; UITouch *second = [twoTouches objectAtIndex:1]; initialDistance = distanceBetweenPoints([first locationInView:mouth_handle],[second locationInView:mouth_handle]); } } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { CGPoint pt = [[touches anyObject] locationInView:mouth_handle]; CGRect frame = [mouth_handle frame]; frame.origin.x += pt.x - startLocation.x; frame.origin.y += pt.y - startLocation.y; frame.origin.x = (frame.origin.x < 58) ? 58 : frame.origin.x; frame.origin.x = (frame.origin.x > (260 - mouth_handle.frame.size.width)) ? (260 - mouth_handle.frame.size.width) : frame.origin.x; frame.origin.y = (frame.origin.y < 300) ? 300 : frame.origin.y; frame.origin.y = (frame.origin.y > 377) ? 377 : frame.origin.y; if(frame.origin.x - prevDistanceX > 2 && frame.origin.x - prevDistanceX < -2) frame.origin.x = prevDistanceX; if(frame.origin.y - prevDistanceY > 2 && frame.origin.y - prevDistanceY < -2) frame.origin.y = prevDistanceY; prevDistanceX = frame.origin.x; prevDistanceY = frame.origin.y; CGFloat handleWidth = mouth_handle.frame.size.width; if([touches count] == 2) { NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; UITouch *second = [twoTouches objectAtIndex:1]; CGFloat currentDistance = distanceBetweenPoints([first locationInView:mouth_handle],[second locationInView:mouth_handle]); handleWidth = mouth_handle.frame.size.width + (currentDistance - initialDistance); handleWidth = (handleWidth < 60) ? 60 : handleWidth; handleWidth = (handleWidth > 150) ? 150 : handleWidth; if(initialDistance == 0) { initialDistance = currentDistance; } initialDistance = currentDistance; } mouth_handle.frame = CGRectMake(frame.origin.x, frame.origin.y, handleWidth, 15); } Any thoughts on how to make this smoother?

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  • uploadify email notification

    - by kwek-kwek
    Is it possible for "Uploadify" to send out e-mail confirmation after the upload? here is the script: <script type="text/javascript"> $(document).ready(function() { $("#uploadify").uploadify({ 'uploader' : 'scripts/uploadify.swf', 'script' : 'scripts/uploadify.php', 'cancelImg' : 'cancel.png', 'folder' : 'uploads', 'auto' : true, 'multi' : true, 'onComplete' : function(event, queueID, fileObj, response, data) { $('#message').html( 'files were successfully uploaded'); $('#message').show().animate({'display':'block'},3000).hide(500); } }); }); </script>

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