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• [WM6] Owner of a component. What exactly is this for?

  - by kornelijepetak

  I am developing an app for Windows Mobile 6 and there is a CameraCaptureDialog class that enables me to call a camera app from my own application. The class has an Owner property that most examples on the internet set to "this". cam.Owner = this; What exactly does this do? I've seen a similar scenario with Windows Forms components/controls by setting the Parent control. In that case I guess it's used only for layout algorithms, but other than that, is there any useful purpose? I don't see how setting an owner of the CameraCaptureDialog can (and actually does not) make any difference (at least not a visible one). Any insight would be appreciated.

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• Simple WCF question.

  - by bearrito

  So I am learning WCF and I have run across an issue that I believe has to do with Instance Control/State but I am not sure. Workflow is as follows, Basic client/server paradigm. The client calls a Method RetrieveBusinessObjects(criteria) and the server calls the datalayer and then puts them in an IList on the server side. It does not return this list to the calling Client. The client would then call a method say DisplayBusinessObjects() which would retrieve the IList from the Server, serialize them, bring them across the wire and display them. If i try this using the WCFTestClient it works. If I run it from an actual client then I get back an BusinessObject[] of size 0. Which to me indicates I had no objects to return. Is that a state mgmt issue or am I missing something?

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• How to propose Asp.Net Mvc over other technologies to client?

  - by Arnis L.

  How to show benefits of adopting asp.net mvc to client? I mean - we as developers can understand benefits of easier implementation of automated testing, better control over rendered html etc., but what would be strongest motives for client to accept usage of asp.net mvc? Maybe there's some more nice looking examples built with asp.net mvc (excluding stackoverflow) to show? p.s. Please, do not start flame war. In this case - it doesn't matter if asp.net mvc is better than x or vica versa.

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• Drag and drop + custom drawing in Android

  - by Rich

  I am working on something that needed custom drag-and-drop functionality, so I have been subclassing View, doing a bunch of math in response to touch events, and then rendering everything manually through code on the canvas in onDraw. Now, the more functionality I add, the more the code is growing out of control and I find myself writing a ton more code than I would expect to write in a high level environment like Android. Is this how it's done, or am I missing something? If I'm not doing anything fancy in the UI, the framework handles the majority of my interactions. Built-in controls handle the touches and drags, and my code is pretty much limited to business logic and data. Is there a way to leverage the power of some of the UI controls and things like animations while also doing some of it manually in the onDraw canvas? Is there an accepted standard of when to use one or the other (if indeed the two approaches can be mixed)?

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• DataBind and Postback

  - by Michael La Voie

  This is a general how does DataBind work questions... I have a simple page with a GridView that is bound (in the aspx code) to an ObjectDataSource. I can look in the Select() function called by the ObjectDataSource to see that it is called on the initial load and on every post back. I have some logic that happens on post backs that will affect the GridView's data, and I want to call GridView.DataBind() later on in the post back, after I've made some changes. Is there a way to prevent the automatic rebinding that happens on each post back? Does this mean I can't use an ObjectDataSource for this control?

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• Program LED with just USB port

  - by LifeH2O

  I want to control LED with C# using only USB port. I don't want to attach any other device with USB. I just want to attach LED directly to USB port pins and program it (blink etc). How can i do that? I am new to hardware programming and it will be my first program. EDIT: I can do it already (blink LED) using printer port by attaching one led pin to data pin and other to ground. How can i do the same with USB port? My motherboard does not have a printer port. USB is the only option.

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• Higlight selected date in VB.NET MonthCalender

  - by fireBand

  Hi , I am using MonthCalender control in vb.net to select a date. I am able to save the selected date to DB and also retrieve and bold the previous selected date. But even though date is bolded it is not displayed when the form loads. It still highlights today's date. What Do i do to highlight the previous chosen dates. Also i want to disable choosing date range. I have my code below. 'StartDate is a datetime object 'check if there is any date chosen If Not IsNothing(StartDate) Then Me.mcSelectedDate.AddAnnuallyBoldedDate(StartDate) Me.mcSelectedDate.UpdateBoldedDates() End If

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• Trigger local program execution from browser

  - by DroidIn.net

  First and foremost: I know it's not right or even good thing to do but my current customer will not cave in. So here's what he is asking for (this is for in-house-behind-a-firewall-etc project). In the web report I need to supply a link which points to the executable script that lives on the universally mapped location (network file server). When user clicks on it it is expected to run on the local client starting local executable which should be pre-installed on the client's box. It should be agnostic to OS (Windows or Linux) and the browser used. Customer doesn't mind to click on angry pop-up alerts but he wants to do it once per client browser (or at minimum - session). QUESTION: Will trusted Java applet be able to do it? Or is the any other (better, simpler) ways of achieving the same? ActiveX control is out of question

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• Rename PHP Downloaded File in File Downloader/Accelerator Applications

  - by Joe

  I have the following "download" script in PHP which basically makes an address on my website download the file for the user, eg. mysite.com/download.php?fileid=10 The question I have is, how can I send the file name to the used for the download when a user downloads the .php address with a File Downloaders/Accelerators? eg. "Content-Disposition" in this case makes the file called download.php where as I want it to be renamed to $downloadFileName as usual. // Set headers header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Content-Description: File Transfer"); header("Content-Type: application/force-download"); header("Content-Disposition: attachment; filename=\"".$downloadFileName."\""); header("Content-Transfer-Encoding: binary"); // Read the file from disk readfile($downloadLocation);

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• Adding global blank option to DroDownList in MVC

  - by Diegos Grace

  Is there a way of using a templated helper in mvc so that each and every select list in my project has a custom default 'Choose an option' with null value etc. The posts I have seen seem a little complex, is it possible to have a DropDownList.ascx file in shared view folder with something like this: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<IEnumerable<SelectListItem>>" %> <%= Html.DropDownList(selectlist name, selectlist value, "Choose an option")%> And then having a UIHint("DropDownList") for each dropdownlist in the ViewModel? Some guidance on syntax of parameters would be much appreciated, where name and value of the viewmodel dropdownlist plus the 'Choose an option' string are passed. Or is this all wishful thinking?

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• Forcing Arrange in a Custom WPF Canvas

  - by Alex Marshall

  Hello, I'm working on a project that involves creating a custom graphical editor. The graphical editor has multiple tabs, and I want to create a preview function that will show a popup with Bitmap previews of the content of each of the tabs. However, the problem I'm running into is that the content for each of the tabs must be arranged before a proper preview can be generated for it. This means going into each of the tabs to ensure that they're rendered and arranged. Then, and only then, do the previews get properly generated, otherwise the previews have a size of 0x0. Does anybody know how to force an arrange of a content control so that I can get a properly sized preview generated ?

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• javax.servlet import cannot be resolved after moving web servlet

  - by Michael Kjörling

  I have written a small web servlet to run under Tomcat, using Eclipse Helios. In its old, non-source-controlled location, everything was fine, but now I need to add this to our source control system. Moving the old files out of the way, creating a new workspace, setting up the server connection and copying and importing the existing projects into the new workspace all worked fine once I figured out how to do it, but I can't get the servlet to build. Instead, I get a whole bunch of cannot be resolved to a type errors talking about various servlet class types; HttpServlet, HttpServletRequest, ServletException, etc. Another error that is almost certainly related is The import javax.servlet cannot be resolved. I am obviously missing something very basic, but I'm new to this (and not having the terminology really down pat probably doesn't help me Google for an answer). Any suggestions as to what I might be missing would be greatly appreciated.

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• Custom DataGridView column sort based on Value not Formatted value

  - by Dan Neely

  I have a custom DGV cell I'm using to display the contents of MyType objects. To control how they're being formatted I'm overriding the GetFormattedValue() and FormattedvalueType methods of DataGridViewTextBoxCell because in this case I don't want to use the default ToString() method. The problem is that when I do this the DGV is sorting the column by the string in FormattedValue instead of by Value. I'm not seeing a method I can override to change the sort behavior of the column. While I know I can, I don't want to have to write custom Sort mthods for the DGVs themselves because I'm using this in multiple DGV's.

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• FOSUserBundle: embedding the login form and choosing its template

  - by tirengarfio

  i want to insert the login form of FOSUserBundle in my template like this: <div id="sidebar"> {% render "FOSUserBundle::Security::login" %} </div> but not to render the template that is been calling in the code of loginAction() originally. I have thought I'd find useful the possibility of passing the template I want to render as a parameter as 'max' in this example: <div id="sidebar"> {% render "AcmeArticleBundle:Article:recentArticles" with {'max': 3} %} </div> Is that possible in symfony2? If not.. should I create another action for my bundle with the same code inside of loginAction? or should I modify the original loginAction code and write control structures? if(currentPage == 'home') renderResponse('template1') else renderResponse('template2')

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• Freezable DataContext

  - by grid-wpf-architect

  Hi, I have a customControl like ListView and I need to bind the sub property of my Custom Control to the visual tree element like below, <StackPanel> <TextBlock Text="Test" x:Name="txtBlock" /> <local:MyControl> <local:MyControl.Items> <local:MyControlItem Value ="{Binding ElementName=txtBlock, Path=Text}" /> </local:MyControl.Items> </local:MyControl> </StackPanel> I can access the object using Freezable object as the resource, but i want to inherit Freezable in my MyControlItem and access the Visual Tree.

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• XAMPP mail not working with PHP mail() function.

  - by user296516

  Hi gusy, I just installed XAMPP, Apache is running, so is MySQL and Mercury. In Dreamweaver I created a php file with a mail($to,$subject,$msg,'From:'.$email); function, but when I ran the file from localhost it showed an error. After playing around with xampp control panel, turning mercury on and off, it's not showing any errors, yet is not send the email either... any ideas? the 'admin' button on the cp for mercury does nothing. Thanks! R

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• Displaying current time above the thumb of a slider in Silverlight

  - by Scharrels

  I've made a time slider in Silverlight. To style it, I've made a control template and modified the style. I've added a text field above the thumb (always centered above the thumb), which should display the time. However, I can't find any way to access the slider information (e.g. current value) or find another way to pass any information to the style, which I can then data bind to the text field. So my question in short: how can I display time information above the thumb?

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• iframe height not taken into account by IE8

  - by Pedro

  Hi guys, I'm building a dummy widget for a iGoogle/Netvibes like portal. This is a "Google Maps" widget, as it only renders a map centered on a specific location. The widget looks good in all browsers but IE8, in which the height I specify to the <div> that contains the map is not taken into account. Here's the interesting part of the code: <body onload="initialize()" > <div id="map_canvas" style="height:400px; width: 100%;"></div> </body> I have no control on the portal, so the only thing I can modify is the widget itself. I also tried to set the height for the <body>, but same thing. Any idea on why it's not working in IE? Thanks!

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• Display virtual keyword asp.net for password

  - by Nicole

  Hi! I have a login page with an input of type "password" I would like to have a virtual keyboard to enter the password. I've searched and I found the jquery script for virtual keyboard. The code said to add this to my page $('input[type=password]').keyboard({ layout: "qwerty", customLayout: [["q w e r t y {bksp}", "Q W E R T Y {bksp}"], ["s a m p l e {shift}", "S A M P L E {shift}"], ["{accept} {space} {cancel}", "{accept} {space} {cancel}"]] }); but I cant make it work!!!! nothing happens when y set focus on my password control. Any suggestions?? thank you!! Nicole.

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• Looking for jQuery slideshow where a user can hide/show a block of text (link, caption)

  - by hollyb

  I'm looking to implement a fairly basic jQuery slideshow. One that automatically loops through a set number of images. The snag I'm running into is i'd like to have a little icon in the corner of the picture, that when clicked, brings up a transparent black bar across the bottom with some text and perhaps a link. Has anybody come across anything like this? This gallery is close, but lacks user control for showing/hiding the caption (and might be somewhat restrictive of what text can be used): http://www.queness.com/resources/html/slideshow/jquery-slideshow.html Anyway, if anybody has any tips or links that would be great. Thanks.

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• What is the maximum number of controls that a VBA form can hold?

  - by Lunatik

  I'm currently building an Excel 2003 app that requires a horribly complex form and am worried about limitations on the number of controls. It currently has 154 controls (counted using Me.Controls.Count - this should be accurate, right?) but is probably only about a third complete. The workflow really fits a single form, but I guess I can split it up if I really have to. I see evidence in a Google search that VB6 (this usually includes VBA) has a hard limit of 254 controls in a form. However, I created a dummy form with well over 1200 controls which still loaded and appeared to work just fine. I did get some 'out of memory' errors when trying to add specific combinations of controls though, say 800 buttons and 150 labels, leading me to think that any limit might be affected by the memory requirements of each type of control. Does anyone have any information that might help ensure that I or, more importantly, other users with differing environments don't run into any memory issues with such a large form?

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• Dynamic Navigation

  - by Dooie

  I am building a project in asp.net 4.0. My navigation will be database driven where i return a datatable from the db containing all the pages of my site, some will be top level while others will be children and sometimes children of children n-times. Im thinking of going down the nested repeater route and databinding from code behind, dynamically generating repeaters for children, but have read that this is not a best practice and should consider the listview control. Im wanting to build a list of links using an unordered list. I cannot find a solid example and was hoping for some pointers/ideas. Thanks Doo

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• No Carbon Human-Interface-Toolbox in OSX 64-bit binaries?

  - by yairchu

  I get the impression that Carbon Human Interface Toolbox does not work in 64-bit binaries. Apple's documentation says: The Carbon Help Manager is not available to 64-bit applications. ... The Control Manager is not available to 64-bit applications. ... The Data Browser is not available to 64-bit applications. ... I just want to verify that: There is no work-around around this. If this is simply the case. Why don't Apple's documentation simply state it as such?

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• SVN Symfony Best Practice

  - by Daniel Hertz

  So I am starting a Symfony project that I will be developing on my local machine and pushing changes everyday to the live server. I wanna use SVN as the version control but Im not sure what the best way to set it up is. Do i make the actual html directory on the server be the repo so that when I check things in it goes live? Do I make it a separate directory and move things over by hand? Any help would be appreciated! Thanks!

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• does windows 7 bluetooth stack and API support connection of headsets

  - by markh44

  We need to write code to search for, pair and connect to a bluetooth headset with Windows 7 Embedded. Once connected the headset will be used as a normal windows audio device. We fully control what software is installed on the system so conflicting stacks and similar concerns are not a problem. We would however like to minimize as far as possible installing extra software such as 3rd party stacks. Therefore my question is: can the built in windows 7 bluetooth stack and C++ API alone be used to create the functionality we need?

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