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  • Dependency Property WPF Grid

    - by developer
    Hi All, I want to Bind the textblock text in WPF datagrid to a dependency property. Somehow, nothing gets displayed, but when I use the same textblock binding outside the grid, everything works fine. Below is my code, <Window.Resources> <Style x:Key="cellCenterAlign" TargetType="{x:Type toolkit:DataGridCell}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type toolkit:DataGridCell}"> <Grid Background="{TemplateBinding Background}"> <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style x:Key="ColumnHeaderStyle" TargetType="{x:Type toolkit:DataGridColumnHeader}"> <Setter Property="VerticalContentAlignment" Value="Center" /> <Setter Property="HorizontalContentAlignment" Value="Center"/> </Style> <ObjectDataProvider MethodName="GetValues" ObjectType="{x:Type sys:Enum}" x:Key="RoleValues"> <ObjectDataProvider.MethodParameters> <x:Type TypeName="domain:SubscriptionRole"/> </ObjectDataProvider.MethodParameters> </ObjectDataProvider> <DataTemplate x:Key="myTemplate"> <StackPanel> <TextBlock Text="{Binding Path=OtherSubs}"/> </StackPanel> </DataTemplate> </Window.Resources> <Grid> <Grid.RowDefinitions> <RowDefinition Height="220"/> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <StackPanel Grid.Row="0"> <toolkit:DataGrid Name="definitionGrid" Margin="0,10,0,0" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" IsReadOnly="False" RowHeight="25" FontWeight="Normal" ItemsSource="{Binding programSubscription}" ColumnHeaderStyle="{DynamicResource ColumnHeaderStyle}" SelectionMode="Single" ScrollViewer.HorizontalScrollBarVisibility="Disabled" Width="450" ScrollViewer.VerticalScrollBarVisibility="Auto" Height="200"> <toolkit:DataGrid.Columns> <toolkit:DataGridTextColumn Header="Program" Width="80" Binding="{Binding Program.JobNum}" CellStyle="{StaticResource cellCenterAlign}" IsReadOnly="True"/> <toolkit:DataGridTemplateColumn Header="Role" Width="80" CellStyle="{StaticResource cellCenterAlign}"> <toolkit:DataGridTemplateColumn.CellTemplate> <DataTemplate> <ComboBox SelectedItem="{Binding Role}" ItemsSource="{Binding Source={StaticResource RoleValues}}" Width="70"> <ComboBox.Style> <Style> <Style.Triggers> <DataTrigger Binding="{Binding Path=Role}" Value="Owner"> <Setter Property="ComboBox.Focusable" Value="False"/> <Setter Property="ComboBox.IsEnabled" Value="False"/> <Setter Property="ComboBox.IsHitTestVisible" Value="False"/> </DataTrigger> </Style.Triggers> </Style> </ComboBox.Style> </ComboBox> </DataTemplate> </toolkit:DataGridTemplateColumn.CellTemplate> </toolkit:DataGridTemplateColumn> <toolkit:DataGridCheckBoxColumn Header="Email" Width="60" Binding="{Binding ReceivesEmail}" CellStyle="{StaticResource cellCenterAlign}"/> <!--<toolkit:DataGridTextColumn Header="Others" Width="220" Binding="{Binding programSubscription1.Subscriber.Username}" CellStyle="{StaticResource cellCenterAlign}" IsReadOnly="True"/>--> <toolkit:DataGridTemplateColumn Header="Others" Width="220" CellStyle="{StaticResource cellCenterAlign}" IsReadOnly="True"> <toolkit:DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding Path=OtherSubs}"/> </DataTemplate> </toolkit:DataGridTemplateColumn.CellTemplate> </toolkit:DataGridTemplateColumn> </toolkit:DataGrid.Columns> </toolkit:DataGrid> <TextBlock Text="{Binding Path=OtherSubs}"/> </StackPanel> <Grid Grid.Row="1"> <Grid.ColumnDefinitions> <ColumnDefinition Width="200"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <StackPanel Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center"> <CheckBox Content="Show Only Active Programs" IsChecked="True" Margin="0,0,8,0"/> </StackPanel> <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Grid.Column="1" HorizontalAlignment="Right"> <Button Content="Save" Height="23" Width="75" Margin="0,0,8,0" Click="Save_Click"/> <Button Content="Cancel" Height="23" Width="75" Margin="0,0,8,0" Click="Cancel_Click" /> </StackPanel> </Grid> </Grid> Code-Behind public partial class ProgramSubscriptions : Window { public static ObservableCollection programSubscription { get; set; } public string OtherSubs { get { return (string)GetValue(OtherSubsProperty); } set { SetValue(OtherSubsProperty, value); } } public static readonly DependencyProperty OtherSubsProperty = DependencyProperty.Register("OtherSubs", typeof(string), typeof(ProgramSubscriptions), new UIPropertyMetadata(string.Empty)); private string CurrentUsername = "test"; public ProgramSubscriptions() { InitializeComponent(); DataContext = this; LoadData(); } protected void LoadData() { programSubscription = new ObservableCollection<ProgramSubscriptionViewModel>(); if (res != null && res.TotalResults > 0) { List<ProgramSubscriptionViewModel> UserPrgList = new List<ProgramSubscriptionViewModel>(); //other.... List<ProgramSubscriptionViewModel> OtherPrgList = new List<ProgramSubscriptionViewModel>(); ArrayList myList = new ArrayList(); foreach (DomainObject obj in res.ResultSet) { ProgramSubscription prg = (ProgramSubscription)obj; if (prg.Subscriber.Username == CurrentUsername) { UserPrgList.Add(new ProgramSubscriptionViewModel(prg)); myList.Add(prg.Program.ID); } else OtherPrgList.Add(new ProgramSubscriptionViewModel(prg)); } for (int i = 0; i < UserPrgList.Count; i++) { ProgramSubscriptionViewModel item = UserPrgList[i]; programSubscription.Add(item); } //other.... for (int i = 0; i < OtherPrgList.Count; i++) { foreach (int y in myList) { ProgramSubscriptionViewModel otheritem = OtherPrgList[i]; if (y == otheritem.Program.ID) OtherSubs += otheritem.Subscriber.Username + ", "; } } } } } I posted the entire code. What exactly I want to do is in the datagridtemplatecolumn for others I want to display the usernames that are not in CurrentUsername, but they have the same program Id as the CurrentUsername. Please do let me know if there is another way that i can make this work, instead of using a dependencyproperty, althouht for testing I did put a textblock below datagrid, and it works perfectly fine.. Help!

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  • Ruby on Rail using MYSQL database

    - by Joseph Misiti
    Hey guys, New to rails, trying to figure out something simple. Seems as though I cannot migrate a very simple mysql database using "rake db:migrate" command. Here is the issue: I know rails defaults to sqllite right now, but I need to use mysql for a series of reasons. Use the following commands rails -d mysql MyMoviesSQL cd MyMoviesSQL script/generate scaffold Movies title:string rating:integer rake db:migrate never get past here because i see the following error: in /Users/user/websites/MyMovieSQL) rake aborted! NoMethodError: undefined method `ord' for 0:Fixnum: SET NAMES 'utf8' (See full trace by running task with --trace) using trace XXXXX-macbook-pro:MyMovieSQL user$ rake db:migrate --trace (in /Users/user/websites/MyMovieSQL) ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:migrate rake aborted! NoMethodError: undefined method ord' for 0:Fixnum: SET NAMES 'utf8' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract_adapter.rb:219:inlog' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:323:in execute' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:599:inconfigure_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:594:in connect' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:203:ininitialize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:75:in new' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:75:inmysql_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in send' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:innew_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in checkout_new_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:incheckout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in loop' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:incheckout' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in synchronize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:incheckout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:inretrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in retrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:inconnection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:435:in initialize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:400:innew' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:400:in up' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:383:inmigrate' /Library/Ruby/Gems/1.8/gems/rails-2.3.5/lib/tasks/databases.rake:116 /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in call' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:inexecute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:inexecute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in invoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:insynchronize' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in invoke_with_call_chain' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:ininvoke' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in invoke_task' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:instandard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:inload' /usr/bin/rake:19 no clue what is going on, if they want me to add a patch because the methods does not exist, please tell me which file to add it to, and also, how in the future do i figure out which file I need to patch (I see it looks like its a method in FixNum class) here is a patch to a problem that looks similar, but its a different version of ruby http://www.mail-archive.com/[email protected]/msg00250.html versions rails 2.3.5 ruby 1.8.6 gem list yeilds: * LOCAL GEMS * actionmailer (2.3.5, 1.3.6) actionpack (2.3.5, 1.13.6) actionwebservice (1.2.6) activerecord (2.3.5, 1.15.6) activeresource (2.3.5) activesupport (2.3.5, 1.4.4) acts_as_ferret (0.4.1) capistrano (2.0.0) cgi_multipart_eof_fix (2.5.0) daemons (1.0.9) dbi (0.4.3) deprecated (2.0.1) dnssd (0.6.0) fastthread (1.0.1) fcgi (0.8.7) ferret (0.11.4) gem_plugin (0.2.3) highline (1.2.9) hpricot (0.6) libxml-ruby (0.9.5, 0.3.8.4) mongrel (1.1.4) needle (1.3.0) net-sftp (1.1.0) net-ssh (1.1.2) rack (1.0.1) rails (2.3.5) rake (0.8.7, 0.7.3) RedCloth (3.0.4) ruby-openid (1.1.4) ruby-yadis (0.3.4) rubygems-update (1.3.6) rubynode (0.1.3) sqlite3-ruby (1.2.1) termios (0.9.4) thanks in advanced

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  • Adding button to jqGrid top toolbar

    - by Ron Harlev
    Looks like the default toolbar for jqGrid is always at the bottom. Buttons like Next/Prev page and the dropdown to select the number of rows per page will always show at the bottom of the grid. I found a way to add a custom top toolbar and push custom buttons into it. What a really need is a way to add default functionality (like paging) to the top of the grid, instead the bottom.

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  • 407 Proxy Authentication Required

    - by Hemant Kothiyal
    I am working on a website, in which I am retrieving XML data from an external URL, using the following code WebRequest req = WebRequest.Create("External server url"); req.Proxy = new System.Net.WebProxy("proxyUrl:8080", true); req.Proxy.Credentials = CredentialCache.DefaultCredentials; WebResponse resp = req.GetResponse(); StreamReader textReader = new StreamReader(resp.GetResponseStream()); XmlTextReader xmlReader = new XmlTextReader(textReader); XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(xmlReader); This code is working fine on my development PC (Windows XP with .Net 3.5) But when I deploy this code to IIS (Both at Windows XP and at Windows Server 2003) it's giving me following error "The remote server returned an error: (407) Proxy Authentication Required." Sometimes it gives me "The remote server returned an error: (502) Bad Gateway." Following code is from my web.config <system.net> <defaultProxy> <proxy usesystemdefault="False" proxyaddress ="http://172.16.12.12:8080" bypassonlocal ="True" /> </defaultProxy> </system.net> Please help me ? [Edit] Even when i run the website for devlopment PC but through IIS it gives me error "The remote server returned an error: (407) Proxy Authentication Required." But when i run website from Microsoft Devlopment server, it is running fine

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  • NHibernate HiLo - new column per entity and HiLo catches

    - by Gareth
    Im currently using the hilo id generator for my classes but have just been using the minimal of settings eg <class name="ClassA" <id name="Id" column="id" unsaved-value="0" <generator class="hilo" / </id ... But should I really be specifying a new column for NHibernate to use foreach entity and providing it with a max lo? <class name="ClassA" <id name="Id" column="id" unsaved-value="0" <generator class="hilo" <param name="table"hibernate_unique_key</param <param name="column"classA_nexthi</param <param name="max_lo"20</param </generator </id ... <class name="ClassB" <id name="Id" column="id" unsaved-value="0" <generator class="hilo" <param name="table"hibernate_unique_key</param <param name="column"classB_nexthi</param <param name="max_lo"20</param </generator </id ... Also I've noticed that when I do the above the SchemaExport will not create all the columns - only classB_nexthi, is there something else im doing wrong. Thanks

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  • WiX/Windows Installer: Re-install to a new folder

    - by vitalyval
    1. I am using WiX for creating installer and would like to implement the following behaviour: If a user launches msi installer for the product and the product already installed, then wizard works similar to pure (first time) installation with exception of some things (e.g. license aggrement screen is omitted). The wizard should allow for example to change installation folder, select whether to place desktop shortcut,... I tried to do: <Publish Event="ReinstallMode" Value="amus"><![CDATA[INSTALL_MODE = "Change"]]></Publish> <Publish Event="Reinstall" Value="ALL"><![CDATA[INSTALL_MODE = "Change"]]></Publish> But after installation completes: the product is in the same folder, where it was installed first time; desktop icon in the same state as it was after first time install. MSDN says: "Do not attempt to change the target directory path if some components that use the path are already installed for the current user or for a different user". Is there a way to re-install in another forlder and add/remove desktop icon in re-install? 2. Is this normal to use the same KeyPath for some components? For example the same registry values for DeskTop and Programs menu shortcuts? MSDN says: "Two components cannot share the same key path value". But compiling and verifying goes OK. And I did not discover problems using the same keypaths.

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  • C# Using Reflection to copy base class properties

    - by David Liddle
    I would like to update all properties from MyObject to another using Reflection. The problem I am coming into is that the particular object is inherited from a base class and those base class property values are not updated. The below code copies over top level property values. public void Update(MyObject o) { MyObject copyObject = ... FieldInfo[] myObjectFields = o.GetType().GetFields( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance); foreach (FieldInfo fi in myObjectFields) { fi.SetValue(copyObject, fi.GetValue(o)); } } I was looking to see if there were any more BindingFlags attributes I could use to help but to no avail.

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  • How can I beta test web Perl modules under Apache/mod_perl on production web server?

    - by DVK
    We have a setup where most code, before being promoted to full production, is deployed in BETA mode - meaning, it runs in full production environment (using production database - usually production data; and production web server). We call that stage BETA testing. One of the main requirements is that BETA code promotion to production must be a simple "cp" command from beta to production directory - no code/filename changes. For non-web Perl code, achieving seamless BETA test is quite doable (see details here): Perl programs live in a standard location under production root (/usr/code/scripts) with production perl modules living under the same root (/usr/code/lib/perl) The BETA code has 100% same code paths except under beta root (/usr/code/beta/) A special module manipulates @INC of any script based on whether the script was called from /usr/code/scripts or /usr/code/test/scripts, to include beta libraries for beta scripts. This setup works fine up till we need to beta test our web Perl code (the setup is EmbPerl and Apache/mod_perl). The hang-up is as follows: if both a production Perl module and BETA Perl module have the same name (e.g. /usr/code/lib/perl/MyLib1.pm and /usr/code/beta/lib/perl/MyLib1.pm), then mod_perl will only be able to load ONE of these modules into memory - and there's no way we are aware of for a particular web page to affect which version of the module is currently loaded due to concurrency issues. Leaving aside the obvious non-programming solution (get a bloody BETA web server) which for political/organizational reasons is not feasible, is there any way we can somehow hack around this problem in either Perl or mod_perl? I played around with various approaches to unloading Perl modules that %INC has listed, but the problem remains that another user might load a beta page at just the right (or rather wrong) moment and have the beta module loaded which will be used for my production page.

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  • WPF ContextMenu with bound items: Items.Count == 0 in ContextMenuOpening event

    - by OregonGhost
    I have a ContextMenu with the ItemsSource bound to the selected item of a list view, like this: <ContextMenu ItemsSource="{Binding Path=PlacementTarget.SelectedItem, RelativeSource={RelativeSource Self}, Converter={StaticResource possibleConverter}}"/> The possibleConverter enumerates all possible values for a property of the the selected item, which are shown in the context menu. In the Opened event of the context menu, I select the current value like this: var cm = e.OriginalSource as ContextMenu; if (cm != null) { var lv = cm.PlacementTarget as ListView; var field = lv.SelectedItem as Field; var item = cm.ItemContainerGenerator.ContainerFromItem(cm.Items.OfType<object>().Where(o => o.ToString().Equals(field.StringValue)).FirstOrDefault()) as MenuItem; if (item != null) { item.IsChecked = true; } } Not particularly elegant, but it works. With the debugger I verified that the ContextMenu.Items.Count property has a non-zero value when expected (i.e. cm.Items.Count is non-zero in the if). So far, so good. There are, however, items in the listview where the context menu will have no items. In this case, an empty menu is shown. I tried to suppress this in the ContextMenuOpening event in the list view, like this: var lv = sender as ListView; if (lv != null) { var cm = lv.ContextMenu; if ((cm != null) && (cm.Items.Count > 0)) { // Here we want to check the current item, which is currently done in the Opened event. } else { e.Handled = true; } } Seems like it should work. However, cm.Items.Count is always zero. This is true even if ListView.SelectedItem did not change: For an item with menu entries, the menu is shown correctly after the first click, so the data binding has already happend. It is shown correct the second time as well, but in any case, Items.Count is zero in the ContextMenuOpening event. What am I missing? How can I suppress empty context menus? Why is the count zero in the ContextMenuOpening handler, which is in Windows Forms (ContextMenuStrip.Opening) the canonical point where to do these things? EDIT: Upon further investigating, it turns out that in the ContextMenuOpening handler, any binding to the listview fails, which is why ItemsSource is null. I tried to bind via ElementName, via a FindAncestor relationship, all to no avail. The PlacementTarget is null during that event. An ugly hack worked though: In the ContextMenuOpening event, I assign the list view to the ContextMenu.Tag property, while the ItemsSource binding now binds to Tag.SelectedItem. This updates the binding, so Items.Count is what it should be. It's still strange. How can you do meaningful things in ContextMenuOpening other than replacing the menu or something, if the binding fails because somehow the context menu is out of context during the event? Was it only tested with static pre-defined menu items?

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  • Can somebody explain the differences, status and future of the various ASP.NET AJAX libraries and to

    - by tjrobinson
    I'm confused about the differences and relationships between the various Microsoft ASP.NET AJAX components/libraries/toolkits and particularly the naming of them. It starts off relatively simple with ASP.NET AJAX itself: ASP.NET AJAX 1.0 (available for ASP.NET 2.0 in a separate package called ASP.NET 1.0 Extensions) ASP.NET AJAX 3.5 (included with ASP.NET 3.5) ASP.NET AJAX 4.0 (included with ASP.NET 4.0) Then come the various projects on CodePlex and elsewhere: ASP.NET AJAX Control Toolkit (aka Original Ajax Control Toolkit) Samples CodePlex It seems that the September 2009 Release is the final release of the Original Ajax Control Toolkit and that it's been superseded by... Ajax Control Toolkit in ASP.NET Ajax Library It looks like the old ASP.NET AJAX Control Toolkit has now become part of a larger ASP.NET Ajax Library but is still maintained seperately on CodePlex. This release is in beta at time of writing so presumably if I want to use the "Control Toolkit" I should stick with the September 2009 Release of the Original ASP.NET AJAX Control Toolkit CodePlex Microsoft Ajax Library Preview Is this the same as the ASP.NET Ajax Library mentioned above just with a confusing name variation? Is the "Control Toolkit" included in Preview 6 and is it older newer or older than the code in Ajax Control Toolkit in ASP.NET Ajax Library? CodePlex Microsoft ASP.NET Ajax Wiki - note the inconsistent insertion of ASP.NET into the name Links to useful articles, roadmaps would be useful.

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  • Sample code from apple iPhoneMultichannelMixerTest can't run mp3 file

    - by Usman
    Hi i want to control channel volume from my app and iPhoneMultichannelMixerTest (http://developer.apple.com/iphone/library/samplecode/iPhoneMultichannelMixerTest/)sample code form apple looks perfect for me. but i m heaving problem in playing mp3 files. code crashes in MultichannelMixerController.m at static OSStatus renderInput(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData) { SoundBufferPtr sndbuf = (SoundBufferPtr)inRefCon; UInt32 bufSamples = sndbuf[inBusNumber].numFrames; AudioUnitSampleType *in = sndbuf[inBusNumber].data; AudioUnitSampleType *outA = (AudioUnitSampleType *)ioData->mBuffers[0].mData; AudioUnitSampleType *outB = (AudioUnitSampleType *)ioData->mBuffers[1].mData; UInt32 sample = sndbuf[inBusNumber].sampleNum; for (UInt32 i = 0; i < inNumberFrames; ++i) { if (1 == inBusNumber) { outA[i] = 0; outB[i] = in[sample++]; //crash on this line. } else { outA[i] = in[sample++]; outB[i] = 0; } if (sample >= bufSamples) sample = 0; } sndbuf[inBusNumber].sampleNum = sample; // printf("bus %d sample %d\n", inBusNumber, sample); return noErr; } can any one tell me why this is happening. or is there any limitation to play mp3 on iPhone??? Thankz in Adv. Usman

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  • [R] Merge multiple data frames - Error in match.names(clabs, names(xi)) : names do not match previou

    - by Jasmine
    Hi all- I'm getting some really bizarre stuff while trying to merge multiple data frames. Help! I need to merge a bunch of data frames by the columns 'RID' and 'VISCODE'. Here is an example of what it looks like: d1 = data.frame(ID = sample(9, 1:100), RID = c(2, 5, 7, 9, 12), VISCODE = rep('bl', 5), value1 = rep(16, 5)) d2 = data.frame(ID = sample(9, 1:100), RID = c(2, 2, 2, 5, 5, 5, 7, 7, 7), VISCODE = rep(c('bl', 'm06', 'm12'), 3), value2 = rep(100, 9)) d3 = data.frame(ID = sample(9, 1:100), RID = c(2, 2, 2, 5, 5, 5, 9,9,9), VISCODE = rep(c('bl', 'm06', 'm12'), 3), value3 = rep("a", 9), values3.5 = rep("c", 9)) d4 = data.frame(ID =sample(8, 1:100), RID = c(2, 2, 5, 5, 5, 7, 7, 7, 9), VISCODE = c(c('bl', 'm12'), rep(c('bl', 'm06', 'm12'), 2), 'bl'), value4 = rep("b", 9)) dataList = list(d1, d2, d3, d4) I looked at the answers to the question titled "Merge several data.frames into one data.frame with a loop." I used the reduce method suggested there as well as a loop I wrote: try1 = mymerge(dataList) try2 <- Reduce(function(x, y) merge(x, y, all= TRUE, by=c("RID", "VISCODE")), dataList, accumulate=F) where dataList is a list of data frames and mymerge is: mymerge = function(dataList){ L = length(dataList) mdat = dataList[[1]] for(i in 2:L){ mdat = merge(mdat, dataList[[i]], by.x = c("RID", "VISCODE"), by.y = c("RID", "VISCODE"), all = TRUE) } mdat } For my test data and subsets of my real data, both of these work fine and produce exactly the same results. However, when I use larger subsets of my data, they both break down and give me the following error: Error in match.names(clabs, names(xi)) : names do not match previous names. The really weird thing is that using this works: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:47, ]) And using this fails: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:48, ]) As far as I can tell, there is nothing special about row 48 of faq. Likewise, using this works: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], pdx[1:47, ]) And using this fails: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], pdx[1:48, ]) Row 48 in faq and row 48 in pdx have the same values for RID and VISCODE, the same value for EXAMDATE (something I'm not matching on) and different values for ID (another thing I'm not matching on). Besides the matching RID and VISCODE, I see anything special about them. They don't share any other variable names. This same scenario occurs elsewhere in the data without problems. To add icing on the complication cake, this doesn't even work: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:48, 2:3]) where columns 2 and 3 are "RID" and "VISCODE". 48 isn't even the magic number because this works: dataList = list(demog[1:500,], neurobat[1:500,], apoe[1:500,], mmse[1:457,]) while using mmse[1:458, ] fails. I can't seem to come up with test data that causes the problem. Has anyone had this problem before? Any better ideas on how to merge? Thanks for your help! Jasmine

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  • Set PageIndex of DataPager

    - by Barbosa
    I have a ListView that I am paging with a DataPager. I would like to set the initial page of the pager on Page_Load. I have tried the DataPager.SetPageProperties method but it's not doing what I need. Here's how I'm calling this method: dataPager.SetPageProperties(3, dataPager.TotalRowCount, false); The line above trims the datasource to start at the third item and paging still starts at 1. This is not what I want. I want to keep the entire list of items and just jump to a specific page in the list. Is there another Property and/or method of a DataPager and/or ListView that I should use? Any help will be greatly appreciated. Thanks!

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  • jquery - check length of input field?

    - by KnockKnockWhosThere
    The code below is intended to enable the submit button once the user clicks in the textarea field. It works, but I'm trying to also make it so that it's only enabled if there's at least one character in the field. I tried wrapping it in: if($(this).val().length > 1) { } But, that didn't seem to work... Any ideas? $("#fbss").focus(function(){ $(this).select(); if($(this).val()=="Default text") { $(this).val(""); $("input[id=fbss-submit]").removeClass(); $("input[id=fbss-submit]").attr('disabled',false); $("input[id= fbss-submit]").attr('class','.enableSubmit'); if($('.charsRemaining')) { $('.charsRemaining').remove(); $("textarea[id=fbss]").maxlength({ maxCharacters: 190, status: true, statusClass: 'charsRemaining', statusText: 'characters left', notificationClass: 'notification', showAlert: false, alertText: 'You have exceeded the maximum amount of characters', slider: false }); } });

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  • iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

    - by LKM
    I'm writing a web app for the iPad (not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way to detect when or whether the keyboard is shown. My first idea was to assume that the keyboard is visible when a text field has focus. However, when an external keyboard is attached to an iPad, the virtual keyboard does not show up when a text field receives focus. In my experiments, the keyboard also did not affect the height or scrollheight of any of the DOM elements, and I have found no proprietary events or properties which indicate whether the keyboard is visible.

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  • Html.Action link and Html.RouteLink

    - by Sagar
    Even If the url is same can i go to different action using Html.RouteLink and Action Link.Like when i click on news link i will go to news details.The url of this page is http://localhost:1390/en-US/latestnews/125.Now if i select the ddl of language in the site header in this pagei need to go to the home page of the site.The ddl (on change) will take the same url but this time it needs to go to action in the sane controller.

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  • Silverlight insert XAML inside other XAML

    - by Code Burn
    I am using WPF and Silverlight BookControls by Mitsu http://www.codeplex.com/wpfbookcontrol The WPF example alows that every page in the book to be a XAML file, but the Silverlight example dont. Is there a way load a XAML in every book page in the Silverlight example ?

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  • Three20 and iOS 4

    - by user361654
    Im'trying to complie my app for iOS 4. it includes Three20. I've set the base sdk to "iPhone Device 4.0" and the Deployment target to "iPhone OS 3.0" but get this message: "_OBJC_CLASS_$_TTURLRequestModel", referenced from: _OBJC_CLASS_$_MockPhotoSource in MockPhotoSource.o What i have to do? Thanks!!

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  • css positioning child/parent

    - by Krewie
    Hello, i was wondering if anybody knew of a tutorial or guide on how the child/parent work in css in terms of positioning ?. I'm trying to position a div element 50 px away from another element of the same kind but i can't get it to work. //Thx in advance.

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  • Android "single top" launch mode and onNewIntent method

    - by Rich
    I read in the Android documentation that by setting my Activity's launchMode property to singleTop OR by adding the FLAG_ACTIVITY_SINGLE_TOP flag to my Intent, that calling startActivity(intent) would reuse a single Activity instance and give me the Intent in the onNewIntent callback. I did both of these things, and onNewIntent never fires and onCreate fires every time. The docs also say that this.getIntent() returns the intent that was first passed to the Activity when it was first created. In onCreate I'm calling getIntent and I'm getting a new one every time (I'm creating the intent object in another activity and adding an extra to it...this extra should be the same every time if it was returning me the same intent object). All this leads me to believe that my activity is not acting like a "single top", and I don't understand why. To add some background in case I'm simply missing a required step, here's my Activity declaration in the manifest and the code I'm using to launch the activity. The Activity itself doesn't do anything worth mentioning in regards to this: in AndroidManifest.xml: <activity android:name=".ArtistActivity" android:label="Artist" android:launchMode="singleTop"> </activity> in my calling Activity: Intent i = new Intent(); i.putExtra(EXTRA_KEY_ARTIST, id); i.setClass(this, ArtistActivity.class); i.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(i);

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  • Facebook connect displaying invite friends dialog and closing on completion

    - by Dougnukem
    I'm trying to create a Facebook Connect application that displays a friend invite dialog within the page using Facebook's Javascript API (through a FBMLPopupDialog). The trouble is to display a friend invite dialog you use a multi-friend form which requires an action="url" attribute that represents the URL to redirect your page to when the user completes or skips the form. The problem is that I want to just close the FBMLPopupDialog (the same behavior as if the user just hit the 'X' button on the popup dialog). The best I can do is redirect the user back to the page they were on basically a reload but they lose all AJAX/Flash application state. I'm wondering if any Facebook Connect developers have run into this issue and have a good way to simply display a friend invite "lightbox" dialog within their website where they don't want to "refresh" or "redirect" when the user finishes. The facebook connect JS API provides a FB.Connect.inviteConnectUsers, which provides a nice dialog but only connects existing users of your application who also have a Facebook account and haven't connected. http://bugs.developers.facebook.com/show%5Fbug.cgi?id=4916 function fb_inviteFriends() { //Invite users log("Inviting users..."); FB.Connect.requireSession( function() { //Connect succes var uid = FB.Facebook.apiClient.get_session().uid; log('FB CONNECT SUCCESS: ' + uid); //Invite users log("Inviting users..."); //Update server with connected account updateAccountFacebookUID(); var fbml = fb_getInviteFBML() ; var dialog = new FB.UI. FBMLPopupDialog("Weblings Invite", fbml) ; //dialog.setFBMLContent(fbml); dialog.setContentWidth(650); dialog.setContentHeight(450); dialog.show(); }, //Connect cancelled function() { //User cancelled the connect log("FB Connect cancelled:"); } ); } function fb_getInviteFBML() { var uid = FB.Facebook.apiClient.get_session().uid; var fbml = ""; fbml = '<fb:fbml>\n' + '<fb:request-form\n'+ //Redirect back to this page ' action="'+ document.location +'"\n'+ ' method="POST"\n'+ ' invite="true"\n'+ ' type="Weblings Invite"\n' + ' content="I need your help to discover all the Weblings and save the Internet! WebWars: Weblings is a cool new game where we can collect fantastic creatures while surfing our favorite websites. Come find the missing Weblings with me!'+ //Callback the server with the appropriate Webwars Account URL ' <fb:req-choice url=\''+ WebwarsFB.WebwarsAccountServer +'/SplashPage.aspx?action=ref&reftype=Facebook' label=\'Check out WebWars: Weblings\' />"\n'+ '>\n'+ ' <fb:multi-friend-selector\n'+ ' rows="2"\n'+ ' cols="4"\n'+ ' bypass="Cancel"\n'+ ' showborder="false"\n'+ ' actiontext="Use this form to invite your friends to connect with WebWars: Weblings."/>\n'+ ' </fb:request-form>'+ ' </fb:fbml>'; return fbml; }

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  • Python Memory leak - Solved, but still puzzled

    - by disappearedng
    Dear everyone, I have successfully debugged my own memory leak problems. However, I have noticed some very strange occurence. for fid, fv in freqDic.iteritems(): outf.write(fid+"\t") #ID for i, term in enumerate(domain): #Vector tfidf = self.tf(term, fv) * self.idf( term, docFreqDic) if i == len(domain) - 1: outf.write("%f\n" % tfidf) else: outf.write("%f\t" % tfidf) outf.flush() print "Memory increased by", int(self.memory_mon.usage()) - startMemory outf.close() def tf(self, term, freqVector): total = freqVector[TOTAL] if total == 0: return 0 if term not in freqVector: ## When you don't have these lines memory leaks occurs return 0 ## return float(freqVector[term]) / freqVector[TOTAL] def idf(self, term, docFrequencyPerTerm): if term not in docFrequencyPerTerm: return 0 return math.log( float(docFrequencyPerTerm[TOTAL])/docFrequencyPerTerm[term]) Basically let me describe my problem: 1) I am doing tfidf calculations 2) I traced that the source of memory leaks is coming from defaultdict. 3) I am using the memory_mon from http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python 4) The reason for my memory leaks is as follows: a) in self.tf, if the lines: if term not in freqVector: return 0 are not added that will cause the memory leak. (I verified this myself using memory_mon and noticed a sharp increase in memory that kept on increasing) The solution to my problem was 1) since fv is a defaultdict, any reference to it that are not found in fv will create an entry. Over a very large domain, this will cause memory leaks. I decided to use dict instead of default dict and the memory problem did go away. My only puzzle is: since fv is created in "for fid, fv in freqDic.iteritems():" shouldn't fv be destroyed at the end of every for loop? I tried putting gc.collect() at the end of the for loop but gc was not able to collect everything (returns 0). Yes, the hypothesis is right, but the memory should stay fairly consistent with ever for loop if for loops do destroy all temp variables. This is what it looks like with that two line in self.tf: Memory increased by 12 Memory increased by 948 Memory increased by 28 Memory increased by 36 Memory increased by 36 Memory increased by 32 Memory increased by 28 Memory increased by 32 Memory increased by 32 Memory increased by 32 Memory increased by 40 Memory increased by 32 Memory increased by 32 Memory increased by 28 and without the the two line: Memory increased by 1652 Memory increased by 3576 Memory increased by 4220 Memory increased by 5760 Memory increased by 7296 Memory increased by 8840 Memory increased by 10456 Memory increased by 12824 Memory increased by 13460 Memory increased by 15000 Memory increased by 17448 Memory increased by 18084 Memory increased by 19628 Memory increased by 22080 Memory increased by 22708 Memory increased by 24248 Memory increased by 26704 Memory increased by 27332 Memory increased by 28864 Memory increased by 30404 Memory increased by 32856 Memory increased by 33552 Memory increased by 35024 Memory increased by 36564 Memory increased by 39016 Memory increased by 39924 Memory increased by 42104 Memory increased by 42724 Memory increased by 44268 Memory increased by 46720 Memory increased by 47352 Memory increased by 48952 Memory increased by 50428 Memory increased by 51964 Memory increased by 53508 Memory increased by 55960 Memory increased by 56584 Memory increased by 58404 Memory increased by 59668 Memory increased by 61208 Memory increased by 62744 Memory increased by 64400 I look forward to your answer

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