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  • Recommendations or advice for shared computer control

    - by Telemachus
    Basic scenario: we are a school (overwhelmingly Mac, some Windows machines via BootCamp), and we are considering using DeepFreeze to guard the state of our shared machines. We have roughly 250 machines that are either shared laptops (which move around quite a bit) or common desktops in public spaces. Obviously, we spend a lot of time maintaining the machines and trying to reverse the inevitable drift as people make changes to the computers. We would like to control the integrity of the build we initially put onto the machines without handcuffing users and especially without using Mac's Parental Control software. (We've had nothing but bad experiences with it.) We've been testing DeepFreeze, and so far it's very impressive. But I'm curious to hear if people who have used DeepFreeze or any similar software have any advice or tips. To get things started, I will post my own pros and cons. Pros: The state of the machine is frozen in our chosen state. All changes made to the machine after that disappear upon restart. (This frozen state really appears to cover everything. I have yet to do something to a test machine that isn't instantly healed.) Tons of trivial but time-consuming maintenance is gone in an instant. Also, lots of not-so-trivial breakage should be avoided. There are good options, however, that allow you to create storage spaces either globally or per user. (Otherwise, stored files disappear upon reboot. For some machines, this is a good option itself. Simply warn people: save externally or else; this machine is a kiosk, not your storage space.) Cons: Anytime we actually need to make a change (upgrade basic software, add a printer or an airport permanently, add new software), the process is a bit more complex. Reboot into a special mode (thaw state), make changes, reboot back into frozen mode. If (when?) we forget this, we will end up making changes that disappear after the next reboot. Users will forget to save files correctly (in the right place or externally), and we will have loud, unpleasant conversations explaining that we can't recover the document they worked on all afternoon yesterday. The machine rebooted. The file is gone. These are my initial thoughts, but I would love to hear from other people who have experience with DeepFreeze or any similar software. What should we be careful about? Do the pros outweigh the cons? What gains or problems am I not seeing? Thanks.

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  • To control decibels in speakers by Ubuntu

    - by Masi
    I need to load the module pcspkr to Linux kernel often by sudo modprobe pcspkr. It sometimes happens that something goes totally wrong such that I cannot stand the amount of decibels in my speakers. I would like to control the amount of decibels in my speakers and to have a visual speaker in my top panel which indicates the amount of decibels in my computer at each given time How can you solve at least one of the problems?

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  • Install Windows control panel applet in Wine

    - by Scribble Master
    I want to add the bthprops.cpl dll (The bluetooth control panel applet) to my wine install under Ubuntu 10.04 since it is required for Dolphin Emulator. http://www.dolphin-emulator.com/ I copied the file from my windows install into the System32 folder in .wine and into the folder where the application I am trying to run is, but wine still fails to load it. Is there anything else I need to do to make the dll accessible for wine programs? (Please don't suggest the native linux Version of Dolphin as a fix - it is not working for me)

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  • Control Panel not showing

    - by Luke
    Whenever I select 'Control Panel' from my taskbar all it comes up with is an open window with nothing in it. I'm running Vista and have recently turned of UAC (if this makes a difference). Can anybody help me to change this?

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  • Windows 7 sound control is not flexible.

    - by jon
    I would like to be able to listen to music on both of two audio output devices, but Windows 7 seems to only allow me to select one or the other as the Default device. When device A is the Default device, device B is muted; and vice versa. This seems to be stunningly inflexible. Since Windows 7 is unable to do this, can anyone recommend any add-on software that would control the hardware more flexibly and thoughtfully?

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  • Books about Advanced WPF control building

    - by Carlo
    Hello. I'm really interested in learning really advanced features of WPF to learn how to create advanced controls, but apparently I'm running out of resources, and possibly, imagination. I have these 4 books: WPF Control Development Unleashed Experiences Pro WPF 2008 Presentation Professionals Programming WPF Chris Sells WPF in Action Visual Studio 2008 One finished, two other half way, the other one just started. I sort of expected more from the "WPF Control Development Unleashed" one. Anyway, do you know any more books about advanced WPF features, and control building? Or even about how WPF works internally. Let me know what are your favorite WPF books, maybe I've overlooked some of them. Thanks!

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  • Side effect of calling ValidatorEnable method: sets focus to control associated with validator

    - by Velika2
    When I called this function to enable a validator from client javascript: `ValidatorEnable(document.getElementById('<%=valPassportOtherText.ClientID%>'), true); //enable` validation control The side effect was that focus was shifted to the txtSpecifyOccupation textbox (the control associated with the Validation control) <asp:TextBox ID="txtSpecifyOccupation" runat="server" AutoCompleteType="Disabled" CssClass="DefaultTextBox DefaultWidth" MaxLength="24" Rows="2"></asp:TextBox> <asp:RequiredFieldValidator ID="valSpecifyOccupation" runat="server" ControlToValidate="txtSpecifyOccupation" ErrorMessage="1.14b Please specify your &lt;b&gt;Occupation&lt;/b&gt;" SetFocusOnError="True">&nbsp;Required</asp:RequiredFieldValidator> Perhaps there is a way to enable the (required) validator without having it simultaneously perform the validation (at least until the user has tabbed off of it?)

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  • WPF Custom TextBox ContextMenuOpening Problem

    - by Tom Allen
    I've got an issue with a custom control that I've written not firing it's ContextMenuOpening event when I hook it up programatically. The control is basically a wrapper for the standard TextBox: public class MyTextBox : TextBox { public MyTextBox() { this.ContextMenuOpening += new ContextMenuEventHandler(MyTextBox_ContextMenuOpening); } void MyTextBox_ContextMenuOpening(object sender, ContextMenuEventArgs e) { MessageBox.Show("ContextMenuOpening event fired"); } } There's nothing suspect either about the XAML: <local:MyTextBox Height="25" Width="300"/> For some reason though, I can never get the event to fire. I'm trying to intercept the context menu so I can alter it (it's context sensitive) and really am trying to avoid having to hook up the event everywhere the control is used - surely this is possible?

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  • Slider control for mediaplayer using jquery

    - by Geetha
    Hi All, I want to create a slider control to control the video. When the video starts to play the slider has to start moving. If drag the slider to some other position the video has to play from that position. How to achieve this. Sample code: <script src="prototype.js" type="text/javascript"></script> <script src="slider.js" type="text/javascript"></script> var slider1 = new Control.Slider('handle1', 'track1', { animate: true, range: $R(0, document.mediaPlayer.SelectionEnd), max: document.mediaPlayer.SelectionEnd, min: 0, sliderValue: 5, startSpan: 'span1', onChange: function(v) { handleSliderChange(v); } }); function handleSliderChange(value) { document.mediaPlayer.currentPosition = value;} Problem: How to include the automatic move. the slider this working only when we move the handler.

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  • help me understand the following javascript relate to AsyncFileUpload control

    - by sean717
    Hi, in my current project I used a AsyncFileUpload control from AJAX Control Toolkits. After I got the async file upload part working, I needed to filter the file type so users can only upload image files. I found the following code off web and it worked well: function uploadStarted(sender, args) { var filename = args.get_fileName(); var filext = filename.substring(filename.lastIndexOf(".") + 1); if (filext == "jpg" || filext == "jpeg" || filext == "gif" || filext == "bmp") { return true; } else { // force uploading cancel args.set_cancel(true); // set reason of cancel args.set_errorMessage("Invalid File Format Selected"); return false; } } The problem is : I don't understand this javascript. What is the type of args parameter? Where are the methods such as "get_fileName()", "set_cancel()" defined? I went to the homepage of the AsyncFileUpload control but couldn't find any documentation regarding the "args". Can someone help me out explaining this Javascript? Thanks

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  • Custom Glassfish Security Realm does not work (unable to find LoginModule)

    - by ifischer
    I'm trying to get a Custom Security Realm in Glassfish working (i tried 3.0.1 final and 3.1 B33). I read nearly all tutorials about this, but it doesn not work on my System. I'm getting the error Login failed: javax.security.auth.login.LoginException: unable to find LoginModule class: de.company.security.utility.CustomLoginModule when trying to login. Here is what i did: I created a little Maven project, which contains the needed Realm class, CustomRealm, and the corresponding LoginModule, CustomLoginModule. My pom.xml: <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.mycompany</groupId> <artifactId>CustomJDBCRealm</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <name>Custom JDBCRealm</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>org.glassfish.security</groupId> <artifactId>security</artifactId> <version>3.1-b33</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> <optimise>true</optimise> <debug>true</debug> <encoding>UTF-8</encoding> </configuration> </plugin> </plugins> </build> </project> My Custom Realm class: package de.company.security.utility; import com.sun.appserv.security.AppservRealm; import com.sun.enterprise.security.auth.realm.BadRealmException; import com.sun.enterprise.security.auth.realm.InvalidOperationException; import com.sun.enterprise.security.auth.realm.NoSuchRealmException; import com.sun.enterprise.security.auth.realm.NoSuchUserException; import java.util.Enumeration; import java.util.Properties; import java.util.Vector; /** * * @author ifischer */ public class CustomRealm extends AppservRealm { Vector<String> groups = new Vector<String>(); private String jaasCtxName; private String startWith; @Override public void init(Properties properties) throws BadRealmException, NoSuchRealmException { jaasCtxName = properties.getProperty("jaas-context", "customRealm"); startWith = properties.getProperty("startWith", "z"); groups.add("dummy"); } @Override public String getAuthType() { return "Custom Realm"; } public String[] authenticate(String username, char[] password) { // if (isValidLogin(username, password)) return (String[]) groups.toArray(); } @Override public Enumeration getGroupNames(String username) throws InvalidOperationException, NoSuchUserException { return groups.elements(); } @Override public String getJAASContext() { return jaasCtxName; } public String getStartWith() { return startWith; } } My LoginModule class: /* * Copyright (c) 2010 ProfitBricks GmbH. All Rights Reserved. */ package de.company.security.utility; import com.sun.appserv.security.AppservPasswordLoginModule; import com.sun.enterprise.security.auth.login.common.LoginException; import java.util.Set; import org.glassfish.security.common.PrincipalImpl; /** * * @author ifischer */ public class CustomLoginModule extends AppservPasswordLoginModule { @Override protected void authenticateUser() throws LoginException { _logger.info("CustomRealm : authenticateUser for " + _username); final CustomRealm realm = (CustomRealm)_currentRealm; if ( (_username == null) || (_username.length() == 0) || !_username.startsWith(realm.getStartWith())) throw new LoginException("Invalid credentials"); String[] grpList = realm.authenticate(_username, getPasswordChar()); if (grpList == null) { throw new LoginException("User not in groups"); } _logger.info("CustomRealm : authenticateUser for " + _username); Set principals = _subject.getPrincipals(); principals.add(new PrincipalImpl(_username)); this.commitUserAuthentication(grpList); } } I compiled this Maven project and copyied the resulting JAR-file to the Glassfish/lib directory. Then i added the Security Realm "customRealm" to my Glassfish with asadmin: asadmin create-auth-realm --classname de.company.security.utility.CustomRealm --property jaas-context=customRealm:startWith=a customRealm I even referenced the LoginModule class for the JAAS context of my Custom Realm, therefore i inserted this into the login.conf of my domain: customRealm { de.company.security.utility.CustomLoginModule required; }; Although this LoginModule SHOULD BE on the Glassfish classpath, as it's classfiled is packaged in the JAR that i put into the Glassfish/lib-dir, it cannot be found when i try to login. For login, i build a really simple JSF-project, which calls the HttpServletRequest-login-method of Servlet 3.0. When trying to login i'm getting the following Exception: 2010-12-24T14:41:31.613+0100|WARNING|glassfish3.0.1| javax.enterprise.system.container.web.com.sun.web.security|_ThreadID=25; _ThreadName=Thread-1;|Web login failed: Login failed: javax.security.auth.login.LoginException: unable to find LoginModule class: de.company.security.utility.CustomLoginModule Anybody got an idea what i can do that Glassfish loads the LoginModule-class?

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  • WiX Action Sequence

    - by Damian Vogel
    I was looking for list of actions and their sequence when running a WiX setup. Somehow the official website doesn't seem to provide any information. The basic problem is that I want to schedule my custom actions correctly. Typically I need to register a DLL with regsvr32.exe, and this can only be done once the files are copied to the harddrive. However the custom action <Custom Action="RegisterShellExt" After="InstallFiles"> failed with the error message "file not found". What I've done then is analizing the log of my MSI with WiX Edit, and I've found that the Action InstallFiles exists more than once. And effectively the files are written only the second time it appears. So I changed my custom action to the following : <Custom Action="RegisterShellExt" Before="InstallFinalize"> Here is the sequence I've extracted from the logs of my MSI: Action start 15:16:49: INSTALL. Action start 15:16:49: PrepareDlg. Action start 15:16:49: AppSearch. Action start 15:16:49: LaunchConditions. Action start 15:16:49: ValidateProductID. Action start 15:16:49: DIRCA_NEWRETARGETABLEPROPERTY1.5D429292039C46FCA3253E37B4DA262A. Action start 15:16:50: CostInitialize. Action start 15:16:50: FileCost. Action start 15:16:50: CostFinalize. Action start 15:16:50: WelcomeDlg. Action 15:16:51: LicenseAgreementDlg. Dialog created Action 15:16:53: CustomizeDlg. Dialog created Action 15:16:55: VerifyReadyDlg. Dialog created Action start 15:16:56: ProgressDlg. Action start 15:16:56: ExecuteAction. Action start 15:16:58: INSTALL. Action start 15:16:58: AppSearch. Action start 15:16:58: LaunchConditions. Action start 15:16:58: ValidateProductID. Action start 15:16:58: CostInitialize. Action start 15:16:59: FileCost. Action start 15:16:59: CostFinalize. Action start 15:16:59: InstallValidate. Action start 15:17:00: InstallInitialize. Action start 15:17:08: ProcessComponents. Action 15:17:09: GenerateScript. Generating script operations for action: Action ended 15:17:09: ProcessComponents. Return value 1. Action start 15:17:09: UnpublishFeatures. Action start 15:17:09: RemoveShortcuts. Action start 15:17:09: RemoveFiles. Action start 15:17:09: InstallFiles. Action start 15:17:10: CreateShortcuts. Action start 15:17:10: RegisterUser. Action start 15:17:10: RegisterProduct. Action start 15:17:10: PublishFeatures. Action start 15:17:10: PublishProduct. Action start 15:17:10: ConfigureInstaller. Action start 15:17:10: InstallFinalize. Action 15:17:10: ProcessComponents. Updating component registration Action 15:17:12: InstallFiles. Copying new files Action 15:17:21: CreateShortcuts. Creating shortcuts Action 15:17:21: RegisterProduct. Registering product Action 15:17:23: ConfigureInstaller. [[note: CustomAction]] Action 15:17:22: PublishFeatures. Publishing Product Features Begin CustomAction 'ConfigureInstaller' Action 15:17:28: RollbackCleanup. Removing backup files Action ended 15:17:28: InstallFinalize. Return value 1. Action start 15:17:28: RegisterShellExt. [[note: CustomAction]] Action ended 15:17:33: INSTALL. Return value 1. Action start 15:17:35: ExitDialog. Does anyone know an official listing?

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  • ASP.NET User Control Value

    - by Steven
    I created a DatePicker user control (ASP code below, no code behind) which is simply a textbox, image button, and a sometimes visible calendar. <%@ Control Language="vb" AutoEventWireup="false" _ CodeBehind="myDatePicker.ascx.vb" Inherits="Website.myDate" %> <%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" _ tagprefix="asp" %> <asp:TextBox ID="Date1" runat="server"></asp:TextBox> <asp:Image ID="Image1" runat="server" ImageUrl="~/Calendar_scheduleHS.png" /> <asp:CalendarExtender ID="Date1_CalendarExtender" runat="server" Enabled="True" TargetControlID="Date1" PopupButtonID="Image1" > </asp:CalendarExtender> Can I somehow tie or pass the value of the TextBox as the value of the whole control to use in the calling code?

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  • Example of configuring wxStyledTextCtrl/wxScintilla control as code editor for custom language

    - by Greg
    How do you enable actions like Goto line number Find(/Replace) There don't appear to be default triggers for these actions. There are a bunch of methods on the control, but I'm missing the first step of how to get the 'events' that would trigger these. For instance, how does one hook ctrl+f or F3/Alt+F3 in the control and make them do a find? Should I be looking at each key using EVT_STC_KEY? Would also like any examples of using this control with Custom language definition (say something similar to C++, but not C++) Auto completion (basic keywords to start, or including variables)

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  • ScriptManager in a User Control inside a UserControl

    - by user204588
    Hello, I have an asp.net user control, userControl1.ascx, and another user control, userControl2.ascx. userControl2 is inside userControl1. userControl1 is inside an UpdatePanel control. userControl2 has a button in it then I want to have do a normal post back when pushed. I want to use ScriptManager.RegisterPostBackControl(button). I have a ScriptManager on a master page. I don't know how to access the ScriptManager in userControl2 to register the button in the Page_Load event. So, How can I do this?

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  • embed google map in wpf control

    - by Dave Turvey
    Hi, I am trying to create a wpf control that will display a map image using google maps. I want to be able to centre the map on a longitude and latitude specified by the application. Ideally, the control will then allow the user to move a map marker and store the latitude/longitude of the marker in the application. The only way I can think of doing this is to use a WebBrowser control and create a HTML string at runtime that shows a map of the desired location. This seems like an awkward solution and won't allow me to easily retrieve the marker location. Does anyone know of a better way to accomplish this?

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  • How to Handle UriFormatException in standard Web browser control in .Net Compact framework

    - by Sundar
    I have developed a browser in my application using the standard Web Browser control. It is throwing URIFormatException and the application crashes when navigating to some sites like "WWW.oosai.com" and also on clicking back or forward buttons when there is no internet connection. I tried handling the exception but it is not working try { webBrowser1.Navigate(new Uri(address)); } catch (System.UriFormatException) { return ; } the stack trace is like this bei System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) bei System.Uri..ctor(String uriString) bei System.Windows.Forms.WebBrowser.get_Url() bei System.Windows.Forms.WebBrowser.WnProc(WM wm, Int32 wParam, Int32 lParam) bei System.Windows.Forms.Control._InternalWnProc(WM wm, Int32 wParam, Int32 lParam) bei Microsoft.AGL.Forms.EVL.EnterMainLoop(IntPtr hwnMain) bei System.Windows.Forms.Application.Run(Form fm) bei Sts.Windows.Forms.FormRunner`1.GuiThread() In one of other topic a guy as said this exception is handled gracefully by the web browser but in my case am not to handle and moreover my application crashes with a error message like "Aarya.exe as performed an illegal operation and please report this to the administrator" Can anyone one help in handling the exception and is their any event to identify the availability of internet connection in web browser control

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  • WPF Binding Question - Change Label Text based on Modifier Key Control

    - by Chuck Savage
    I have a context menu, that I'd like to change the Header based on whether the Control Key is pressed or not. Right now I have, <MenuItem Header="Send To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> I'd like based on the Control Key being down to be, <MenuItem Header="Move To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> All I really need to do is change the Header text, because inside the code I know how to check for the Modifier key being Control.

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  • change Visibility of a control in ASP.NET code behind (c#)

    - by Axel Grude
    How do you set the visibility of a (fileupload) control from ASP.net code (I need to hide a fileupload control in a webuser control from server site, otherwise hasFIle is always false). Also setting the "Visible" property to false does not work (as is confuses the AJAX panel so the fileupload forgets that it has a file). theFileUpload.Visible = false = does not work so I want to try to set the CSS style visibility to hidden or display to none. The main problem is I want to do it from the server side (I know how I could do it on client). Is there a safe way to overwrite theFileUpload.Attributes["styles"] in case I modify other CSS styles in there, also throwing a whole CSS class at it (by moidifying the CSSClass property) seems like overkill. thanks in advance Axel

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  • Get control instance in asp.net dynamic data

    - by Ashwani K
    Hello All: I am creating a web application using Asp.net dynamic data. I am using GridView to show data from the database. In the grid view I am having following code for columns <Columns> <asp:DynamicField DataField="UserId" UIHint="Label" /> <asp:DynamicField DataField="Address" UIHint="Address"/> <asp:DynamicField DataField="CreatedDate" UIHint="Label" /> </Columns> But, before displaying I want to do some processing in C# code for each row. In normal ASP.net grid view we can handle OnRowDataBound method, and using FindControl("controlid") we can get the control instance, but in case of dynamic data, I am not getting any id attribute for columns, so I am not able to get the control instance to show updated data in that control depending on some conditions. Thanks, Ashwani

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  • Bing map silverlight control content rendering issue when page gets refresh

    - by M.Afnan
    When Bing map control loads for first time on any browser all pushpin on map are visible. Bing map control renders perfectly. Then I refresh browser it create rendering issue some custom pushpin on map gets disappeared. This behavior continues with pushpin. Pushpin are (.png) images and I am not using default bing map thumbtacks. May be it is issue of browser caching content or Bing map control rendering issues on various browsers. Waiting for your response.

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  • ASP Calendar control returns Date type but I need Datetime to insert into SQL Server 2005

    - by rafael
    Hello, I am using a ASP Calendar control to insert a datetime value into a field to be part of an insert to a SQL Server 2005 db table. I get the following error when i submit the form to server and try to insert into table: [ArgumentException: The version of SQL Server in use does not support datatype 'date'.] Seems like Calendar control returns a Date type value. How could i make the Calendar control return a Datetime value instead? I know now that SQL Server 2005 does not support Date type fields.

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