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• Silverlight Cream for January 08, 2011 -- #1023

  - by Dave Campbell

  In this Heavy and yet incomplete Issue: Mike Wolf, Walter Ferrari, Colin Eberhardt, Mathew Charles, Don Burnett, Senthil Kumar, cherylws, Rob Miles, Derik Whittaker, Thomas Martinsen(-2-), Jason Ginchereau, Vishal Nayan, and WindowsPhoneGeek. Above the Fold: Silverlight: "Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight)" Colin Eberhardt WP7: "Windows Phone Blue Book Pdf" Rob Miles Sharepoint/Silverlight: "Discover Sharepoint with Silverlight - Part 1" Walter Ferrari Shoutouts: Dave Isbitski has announced a WP7 Firestarter, check for your local MS office: Announcing the “Light up your Silverlight Applications for Windows 7 Firestarter” From SilverlightCream.com: Leveraging Silverlight in the USA TODAY Windows 7-Based Slate App Mike Wolf has a post up about Cynergy's release of the new USA TODAY software for Windows 7 Slate devices, and gives a great rundown of all the resources, and how specific Silverlight features were used... tons of outstanding external links here! Discover Sharepoint with Silverlight - Part 1 Walter Ferrari has tutorial up at SilverlightShow... looks like the first in a series on Silverlight and Sharepoint... lots of low-level info about the internals and using them. Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight) Colin Eberhardt has a really cool AutoTooltip attached behavior that gives a tooltip of the actual text if text is trimmed ... and has an active demo on the post... very cool. RIA Services Output Caching Mathew Charles digs into a RIA feature that hasn't gotten any blog love: output caching, describing all the ins and outs of improving the performance of your app using caching. Emailing your Files to Box.net Cloud Storage with WP7 Don Burnett details out everything you need to do to get Box.Net and your WP7 setup to talk to each other. Shortcuts keys for Developing on Windows Phone 7 Emulator Senthil Kumar has some good WP7 posts up ... this one is a cheatsheet list of Function-key assignements for the WP7 emulator... another sidebar listint Windows Phone 7 Design Guidelines – Cheat Sheet cherylws has a great Guideline list/Cheat Sheet up for reference while building a WP7 app... this is a great reference... I'm adding it to the Right-hand sidebar of WynApse.com Windows Phone Blue Book Pdf Rob Miles has added another book and color to his collection of both -- Windows Phone Programming in C#, also known as the Windows Phone Blue Book... get a copy from the links he gives, and check out his other free books as well. Navigating to an external URL using the HyperlinkButton Derik Whittaker has a post up discussing the woes (and error messages) of trying to navigate to an external URL with the Hyperlink button in WP7, plus his MVVM-friendly solution that you can download. Set Source on Image from code in Silverlight Thomas Martinsen has a couple posts up... first is this quick one on the code required to set an image source. Show UI element based on authentication Thomas Martinsen's latest is one on a BoolToVisibilityConverter allowing a boolean indicator of Authentication to be used to control the visibility of a button (in the sample) WP7 ReorderListBox improvements: rearrange animations and more Jason Ginchereau has updated his ReorderListBox from last week to add some animations (fading/sliding) during the rearrangement. Navigation in Silverlight Without Using Navigation Framework Vishal Nayan has a post that attracted my attention... Navigation by manipulating RootVisual content... I've been knee-deep in similar code in Prism this week (and why my blogging is off) ... Creating a WP7 Custom Control in 7 Steps WindowsPhoneGeek creates a simple custom control for WP7 before your very eyes in his latest post, focusing on the minimum requirements necessary for writing a Custom Control. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Problems with repositories on CentOS 3.9

  - by rodnower

  Hello, I have CentOS 3.9 for i386. When I try to instal some thing with yum, i.e: yum install firefox or yum install firefox* or yum list firefox and so on, I get: +++++++++++++++++++ yum info firefox Gathering header information file(s) from server(s) Server: CentOS-3 - Addons Server: CentOS-3 - Base Server: CentOS-3 - Extras Server: CentOS-3 - Updates Server: Jason's Utter Ramblings Repo Finding updated packages Downloading needed headers Looking in Available Packages: Looking in Installed Packages: +++++++++++++++++++ Some time ago I had CentOS 5, and I had the similar problem (exept of firefox all other packages were not installed) and I spent very much time to find different repositories and so on. Now I have CentOS 3, and there is nothing I can install with yum. This is yum.conf content: +++++++++++++++++++ [main] cachedir=/var/cache/yum debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=redhat-release installonlypkgs=kernel kernel-smp kernel-hugemem kernel-enterprise kernel-debug kernel-unsupported kernel-smp-unsupported kernel-hugemem-unsupported tolerant=1 exactarch=1 [utterramblings] name=Jason's Utter Ramblings Repo baseurl=http://www.jasonlitka.com/media/EL4/i386/ [base] name=CentOS-$releasever - Base baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ #released updates [update] name=CentOS-$releasever - Updates baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/ #additional packages that may be useful [extras] name=CentOS-$releasever - Extras baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ #[centosplus] #name=CentOS-$releasever - Plus #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ #[testing] #name=CentOS-$releasever - Testing #baseurl=http://mirror.centos.org/centos/$releasever/testing/$basearch/ #[fasttrack] #name=CentOS-$releasever - Fasttrack #baseurl=http://mirror.centos.org/centos/$releasever/fasttrack/$basearch/ +++++++++++++++++++ The file is too long, so I littely edited it. So my question is: is there some "normal" one repository that have all basic thing like firefox and so that I will insert to this file and all will work fine? Thank you very much for ahead.

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• How do you jump to a particular row in a DataGridView by typing (a la Windows Explorer details view)

  - by russcollier

  I have a .NET Winforms app in C# with a DataGridView that's read-only and populated with some number of rows. I'd like to have functionality similar to Windows Explorer's (and many other applications) details view for example. I'd like the DataGridView to behave such that when it has focus if you start typing, the current row selection will jump to the row where the (string) value of cell 0 (i.e. the first column in the row) starts with the characters you typed in. For example, if I have a DataGridView with 1 column and the following rows: Bob Jane Jason John Leroy Sam If the DataGridView has focus and I hit the 'b' key on my keyboard, the selected row is now "Bob". If I quickly type in the keys 'ja', the selected row is Jane. If I quickly type in the letters 'jas', the selected row is Jane. If I hit the 'z' key, nothing is selected (since nothing starts with Z). Likewise if Jane is currently selected and I keep typing the letter 'j', the selection will cycle through to Jason, then John, then back to Jane, each time I hit the 'j' key. I've been doing some Googling (and "stackoverflowing" :-)) for awhile and cannot find any examples of this type of functionality. I have a rough idea in my head to do this via some sort of short lived timer thread, collecting the keystrokes on KeyPress events for the DataGridView, and selecting rows based on those collected keystrokes matching a Cells[0].Value.StartsWith() type of condition. But it seems like there has to be an easier way that I'm just not seeing. Any ideas would be much appreciated. Thanks!

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• Assembly installed into the GAC not showing up in Visual Studio

  - by yodaj007

  This sounds related to this question, but they aren't the same thing. That question had no assemblies showing up. Mine has everything except the specific one I installed. I'm hoping someone has a solution to this... am I doing something wrong? Or did I find some bug in VS? I am using Visual Studio 2010 Professional Beta 2 on Windows 7 Ultimate. I just downloaded Rhino Mocks and decided to install it into the GAC using the command-line utility GACUTIL. I then rebooted. Here you can see the assembly in my GAC (click to enlarge): And here is the list of assemblies available to me in Visual Studio: Here is the command prompt where I installed it, and then confirmed it: C:\Users\jason\Downloads>gacutil -i Rhino.Mocks.dll Microsoft (R) .NET Global Assembly Cache Utility. Version 4.0.21006.1 Copyright (c) Microsoft Corporation. All rights reserved. Assembly successfully added to the cache C:\Users\jason\Downloads>gacutil /l |grep -i rhino Rhino.Mocks, Version=3.6.0.0, Culture=neutral, PublicKeyToken=0b3305902db7183f, processorArchitecture=MSIL

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• Error with postgres and Rails in Bundle Install on Ubuntu 12.10

  - by jason328

  I'm trying to install postgres onto Ubuntu. When running the Bundle Install in terminal I'm receiving this message at the end of the running code. How do I get pg to install properly? Libpq-dev is installed as well. Using coffee-rails (3.2.2) Using diff-lcs (1.1.3) Using jquery-rails (2.0.2) Installing pg (0.12.2) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9.1 extconf.rb checking for pg_config... yes Using config values from /usr/bin/pg_config checking for libpq-fe.h... yes checking for libpq/libpq-fs.h... yes checking for PQconnectdb() in -lpq... yes checking for PQconnectionUsedPassword()... yes checking for PQisthreadsafe()... yes checking for PQprepare()... yes checking for PQexecParams()... yes checking for PQescapeString()... yes checking for PQescapeStringConn()... yes checking for PQgetCancel()... yes checking for lo_create()... yes checking for pg_encoding_to_char()... yes checking for PQsetClientEncoding()... yes checking for rb_encdb_alias()... yes checking for rb_enc_alias()... no checking for struct pgNotify.extra in libpq-fe.h... yes checking for unistd.h... yes checking for ruby/st.h... yes creating extconf.h creating Makefile make compiling compat.c compiling pg.c pg.c: In function ‘pgconn_wait_for_notify’: pg.c:2117:3: warning: ‘rb_thread_select’ is deprecated (declared at /usr/include/ruby- 1.9.1/ruby/intern.h:379) [-Wdeprecated-declarations] pg.c: In function ‘pgconn_block’: pg.c:2592:3: error: format not a string literal and no format arguments [-Werror=format- security] pg.c:2598:3: warning: ‘rb_thread_select’ is deprecated (declared at /usr/include/ruby- 1.9.1/ruby/intern.h:379) [-Wdeprecated-declarations] pg.c:2607:4: error: format not a string literal and no format arguments [-Werror=format- security] pg.c: In function ‘pgconn_locreate’: pg.c:2866:11: warning: variable ‘lo_oid’ set but not used [-Wunused-but-set-variable] pg.c: In function ‘find_or_create_johab’: pg.c:3947:3: warning: implicit declaration of function ‘rb_encdb_alias’ [-Wimplicit- function-declaration] cc1: some warnings being treated as errors make: *** [pg.o] Error 1 Gem files will remain installed in /home/jason/.bundler/tmp/10083/gems/pg-0.12.2 for inspection. Results logged to /home/jason/.bundler/tmp/10083/gems/pg-0.12.2/ext/gem_make.out An error occurred while installing pg (0.12.2), and Bundler cannot continue. Make sure that `gem install pg -v '0.12.2'` succeeds before bundling.

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• How to install svn 1.8.5 with neon on Mavericks?

  - by Alex

  Does anyone of you installed svn 1.8.* together with neon on OS X Mavericks? I followed this tutorial: http://jason.pureconcepts.net/2012/10/updating-svn-mac-os-x/ But after trying to configure svn to use neon: ./configure --prefix=/usr/local --with-neon I get this warning: configure: WARNING: unrecognized options: --with-neon Building and installation work fine after this, but of course I can not connect to WEBDAV repositories.

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• "Unverifiable code failed policy check" for a closed source assembly

  - by Jason

  I'm attempting to dynamically load some (purchased) assemblies from resource streams in a C# program during an MSI installation routine, but I'm getting "Unverifiable code failed policy check". I read some tips online about compiling the embedded assembly with /clr:safe, but I don't have that option. Is there a way to work around this policy check? Thanks.

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• WPF Dynamic Layout with ItemsControl and Grid

  - by Jason Williams

  I am creating a WPF form. One of the requirements is that it have a sector-based layout so that a control can be explicitly placed in one of the sectors/cells. I have created a tic-tac-toe example below to convey my problem: There are two types and one base type: public class XMoveViewModel : MoveViewModel { } public class OMoveViewModel : MoveViewModel { } public class MoveViewModel { public int Row { get; set; } public int Column { get; set; } } The DataContext of the form is set to an instance of: public class MainViewModel : ViewModelBase { public MainViewModel() { Moves = new ObservableCollection<MoveViewModel>() { new XMoveViewModel() { Row = 0, Column = 0 }, new OMoveViewModel() { Row = 1, Column = 0 }, new XMoveViewModel() { Row = 1, Column = 1 }, new OMoveViewModel() { Row = 0, Column = 2 }, new XMoveViewModel() { Row = 2, Column = 2} }; } public ObservableCollection<MoveViewModel> Moves { get; set; } } And finally, the XAML looks like this: <Window.Resources> <DataTemplate DataType="{x:Type vm:XMoveViewModel}"> <Image Source="XMove.png" Grid.Row="{Binding Path=Row}" Grid.Column="{Binding Path=Column}" Stretch="None" /> </DataTemplate> <DataTemplate DataType="{x:Type vm:OMoveViewModel}"> <Image Source="OMove.png" Grid.Row="{Binding Path=Row}" Grid.Column="{Binding Path=Column}" Stretch="None" /> </DataTemplate> </Window.Resources> <Grid> <ItemsControl ItemsSource="{Binding Path=Moves}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Grid ShowGridLines="True"> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> <ColumnDefinition /> </Grid.ColumnDefinitions> </Grid> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> </Grid> What was not so obvious to me when I started was that the ItemsControl element actually wraps each item in a container, so my Grid.Row and Grid.Column bindings are ignored since the images are not directly contained within the grid. Thus, all of the images are placed in the default Row and Column (0, 0). What is happening: The desired result: So, my question is this: how can I achieve the dynamic placement of my controls in a grid? I would prefer a XAML/Data Binding/MVVM-friendly solution. Thanks.

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• .NET & Tab-Delimited files.

  - by Jason T.

  How can I create and append to a tab-delimited file in C#?

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• Entity Framework 4 mapping fragment error when adding new entity scalar

  - by Jason Morse

  I have an Entity Framework 4 model-first design. I create a first draft of my model in the designer and all was well. I compiled, generated database, etc. Later on I tried to add a string scalar (Nullable = true) to one of my existing entities and I keep getting this type of error when I compile: Error 3004: Problem in mapping fragments starting at line 569: No mapping specified for properties MyEntity.MyValue in Set MyEntities. An Entity with Key (PK) will not round-trip when: Entity is type [MyEntities.MyEntity] I keep having to manually open the EDMX file and correct the XML whenever I add scalars. Ideas on what's going on?

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• Getting Exception thrown and not caught error on jquery ui tabs in ie8

  - by Jason

  I am getting the following error (pointing to jquery-1.4.2.js): Message: Exception thrown and not caught Line: 2904 Char: 2 Code: 0 With the following: IE8 jquery 1.4.2 jquery ui 1.8.1 When I do the following: $("#theTabs").tabs(); On the same page I also have two instances of the jquery ui dialog and one instance of the jquery ui accordion. Am I missing something? This does not happen in FF on Windows (nor in Safari or FF on OS X) I use the same code elsewhere for tabs and they work just fine.

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• Magento - Fatal error: Class name must be a valid object or a string

  - by Jason Millward

  I'm having a problem with a Magento installation that I hope someone can help me with. I suddenly started getting the following error message when I accessed the site: Fatal error: Class name must be a valid object or a string in /app/code/core/Mage/Core/Model/Resource.php on line 215 I've searched for someone with a similar issue but not had any luck so i'm stuck and really need to get this resolved Can anyone help?

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• Windows LiveID "Couldn't sign you out" error at sign-out

  - by Jason

  I'm implementing LiveID authentication on my website. I've done it before, but not on this particular platform, MojoPortal. The sign-in works properly, but when I attempt to sign-out, I get the error message quoted below. My browser is not blocking cookies. I get the same message when logging in to and out of, say, MSDN with a LiveID too now. I can't figure out if there's something about my site's programming that is interfering with the sign-out process of LiveID (since I believe that all (recent?) websites get sent a sign-out command) OR if live.com is just having issues lately and this is a coincidence. Couldn't sign you out We couldn't sign you out because your browser is blocking cookies. To sign out, close all of your browser windows. To keep this from happening again, change your browser's settings to allow cookies. If you don't know how to do that, see your browser's help.

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• Calling C# object method from IronPython

  - by Jason

  I'm trying to embed a scripting engine in my game. Since I'm writing it in C#, I figured IronPython would be a great fit, but the examples I've been able to find all focus on calling IronPython methods in C# instead of C# methods in IronPython scripts. To complicate things, I'm using Visual Studio 2010 RC1 on Windows 7 64 bit. IronRuby works like I expect it would, but I'm not very familiar with Ruby or Python syntax. What I'm doing: ScriptEngine engine = Python.CreateEngine(); ScriptScope scope = engine.CreateScope(); //Test class with a method that prints to the screen. scope.SetVariable("test", this); ScriptSource source = engine.CreateScriptSourceFromString("test.SayHello()", Microsoft.Scripting.SourceCodeKind.Statements); source.Execute(scope); This generates an error, "'TestClass' object has no attribute 'SayHello'" This exact set up works fine with IronRuby though using "self.test.SayHello()" I'm wary using IronRuby though because it doesn't appear as mature as IronPython. If it's close enough, I might go with that though. Any ideas? I know this has to be something simple.

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• MSBuild Script and VS2010 publish apply Web.config Transform

  - by Jason

  So, I have VS 2010 installed and am in the process of modifying my MSBuild script for our TeamCity build integration. Everything is working great with one exception. How can I tell MSBuild that I want to apply the Web.conifg transform files that I've created when I publish the build... I have the following which produces the compiled web site but, it outputs a Web.config, Web.Debug.config and, Web.Release.config files (All 3) to the compiled output directory. In studio when I perform a publish to file system it will do the transform and only output the Web.config with the appropriate changes... <Target Name="CompileWeb"> <MSBuild Projects="myproj.csproj" Properties="Configuration=Release;" /> </Target> <Target Name="PublishWeb" DependsOnTargets="CompileWeb"> <MSBuild Projects="myproj.csproj" Targets="ResolveReferences;_CopyWebApplication" Properties="WebProjectOutputDir=$(OutputFolder)$(WebOutputFolder); OutDir=$(TempOutputFolder)$(WebOutputFolder)\;Configuration=Release;" /> </Target> Any help would be great..! I know this can be done by other means but I would like to do this using the new VS 2010 way if possible

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• Windows server 2003 default administrator password

  - by Jason Baker

  Sorry if this is an overly simplistic question, but I'm a bit stuck here. :) I need a windows machine for me to do some programming for class. Since I have my Macbook with me everywhere I go, I figured that it would be easiest to install a vm. And since I can get a copy of Windows server 2k3 for free via dreamspark, I thought I'd try to do that. Here's what happened though: I installed windows server (disk one). When the system booted up, vmware automatically installed VMWare tools and prompted me to restart. There was also a prompt to start the installation of disc 2, but I figured it would be better to restart before doing that. When the machine came back up, I was prompted to log in as the administrator. The problem is that I wasn't prompted to make an administrator account or password. Is there a default password I can use? I've tried all the obvious ones (blank, password, etc) and googling, but I didn't come up with anything.

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• Calling a MVC2 partial view using jquery returns empty string problem

  - by Jason

  I have an issue where I have a partial view that returns some HTML to be displayed. Its called when something is clicked on the page using jquery. The problem is that no matter how I call it, i get back an empty string even though it reports success. This is happening to me using Chrome, going against my local machine. My controller looks like this: public ActionResult MyPartialView() { return PartialView(model); } I have tried jquery using .get(), .post() and .load() and all have the same results. Here is an example using .post(): $.post(url, function (data) { alert(data); }); The result always comes back as an empty string. I can navigate to the partial view in the browser manually and i get back the desired HTML. The URL I am using to call it I resolved fully so it looks like "http://localhost/controller/mypartialview" rather than using the relative path of "/controller/mypartialview" which I thought was the original problem. Any idea what may cause this?

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• using Silverlight in SCORM content

  - by Jason

  I'm building a LMS system using Sharepoint (WSS 3.0) with the Sharepoint Learning Kit (SLK). One of the requirements is to be able to host Silverlight content within the SCORM package. Has anyone done this before? I haven't been able to find much (anything) online that talks about how to do this. Most of the content tools that exist for SCORM are able to handle Flash, but I haven't come across anything that will do Silverlight. If all else fails, I'll try to manually build a SCORM package, but I'd really like to find some examples or howtos of doing this with Silverlight first. Has anyone done this before?

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• How to Link VS2010 Database Project and LINQ to SQL

  - by Jason

  As I am working with the new database projects in VS2010, and as I am learning LINQ to SQL, I am curious as to the best way to link the two groups of information so that when I update one, the other updates along with it. From my research here at SO, as well as in Google, it appears the general rule of thumb is: "Build the database, and then create your LINQ to SQL classes." Of course, if I make a change in my database, the LINQ to SQL doesn't update automatically and I have to do it by hand. This is fairly simple right now as my database is small, but I am curious if there is an easier way for this to happen. In addition, the LINQ to SQL tool is pretty nice. The ability to create tables, add associations, and even create inheritance is very simple. As my second question, I am curious as to whether or not VS2010 can work the other way - I design the database in the DBLM file and then link it back to my database project. I appreciate any help with either of these two questions. I'm really interested in making this as easy as possible to reduce errors during development and improve the speed at which changes can be made.

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• Get an IDataReader from a typed List

  - by Jason Kealey

  I have a List<MyObject> with a million elements. (It is actually a SubSonic Collection but it is not loaded from the database). I'm currently using SqlBulkCopy as follows: private string FastInsertCollection(string tableName, DataTable tableData) { string sqlConn = ConfigurationManager.ConnectionStrings[SubSonicConfig.DefaultDataProvider.ConnectionStringName].ConnectionString; using (SqlBulkCopy s = new SqlBulkCopy(sqlConn, SqlBulkCopyOptions.TableLock)) { s.DestinationTableName = tableName; s.BatchSize = 5000; s.WriteToServer(tableData); s.BulkCopyTimeout = SprocTimeout; s.Close(); } return sqlConn; } I use SubSonic's MyObjectCollection.ToDataTable() to build the DataTable from my collection. However, this duplicates objects in memory and is inefficient. I'd like to use the SqlBulkCopy.WriteToServer method that uses an IDataReader instead of a DataTable so that I don't duplicate my collection in memory. What's the easiest way to get an IDataReader from my list? I suppose I could implement a custom data reader (like here http://blogs.microsoft.co.il/blogs/aviwortzel/archive/2008/05/06/implementing-sqlbulkcopy-in-linq-to-sql.aspx) , but there must be something simpler I can do without writing a bunch of generic code. Edit: It does not appear that one can easily generate an IDataReader from a collection of objects. Accepting current answer even though I was hoping for something built into the framework.

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• How to cancel network request with afnetworking

  - by Jason Zhao

  Is there a way to cancel all network request (the request started by another method) before I do a network request with AFNetworking I tried like below: - (void)sendRequest:(NSUInteger)page{ NSURL *aUrl = [NSURL URLWithString:@"http://www.abc.com/"]; AFHTTPClient *httpClientToCancel = [[AFHTTPClient alloc] initWithBaseURL:aUrl]; [httpClientToCancel cancelAllHTTPOperationsWithMethod:@"POST" path:@"product/like"]; [httpClientToCancel release]; ... start a new request here ..... But not work. I just want to cancel all request (at least the request I wrote above) before I start a new request. Thank you!

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• ADO Entity Framework 4 to WPF Datagrid. DatagridComboBox nightmare.

  - by Jason

  The WPF datagrid -seems- like it's going to work, but the combobox implementation does not work straight from the designer. So I'm left wandering around in the XAML randomly changing things trying to get it to work. The problems are numerous. I want to display a foreign key relationship (with drop down) instead of a bunch of numbers for a selection. It seems like it shouldn't be this hard. I can get the right values to show up (their description instead of an ID), but the table freaks out thinking that all the values have been modified. If I select a drop down, it refuses to allow me to edit anything else. I want to chalk this up as a .NET bug, but since I'm new to WPF datagrids, it's probably just me. Here is the code. <DataGridComboBoxColumn Header="Make Up" ItemsSource="{Binding Source={StaticResource materialMakeUpTypesViewSource}}" DisplayMemberPath="Description" TextBinding="{Binding Path=MaterialMakeUpType.Description}" SelectedItemBinding="{Binding Path=MaterialMakeUpType.Description}" SelectedValueBinding="{Binding Path=MaterialMakeUpType.ID}" />

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• asp:GridView ImageField DataImageUrlField - specifying multiple fields?

  - by Jason Jong

  I know I can use asp:TemplateField for this, but using the standard asp:BoundField or asp:ImageField in the asp:GridView, is it possible to specify multiple fields and use them in the FormatString field as {0} {1} {2} etc... For example <asp:ImageField DataImageUrlField="ProfileImageId,UserGuid" DataImageUrlFormatString="img-profile.ashx?uid={0}&pid={1}" /> I've always pondered on this. This would be much neater than using asp:TemplateField

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• mgtwitterengine and oauth 401 error: Boggled

  - by Jason

  OK... so here is my code: twitterEngine = [[MGTwitterEngine alloc] initWithDelegate:self]; [twitterEngine setConsumerKey:CONSUMER_KEY secret:CONSUMER_SECRET]; accessToken = [twitterEngine getXAuthAccessTokenForUsername:profile.twitterUserId password:profile.twitterPassword]; NSLog(@"Access token: %@", accessToken); the console shows the access token returned just fine (so it seems to work) eg. Access token: C8A24515-0F11-4B5A-8813-XXXXXXXXXXXXXX but instead of accessTokenReceived method being called next on my delegate, it calls requestFailed with a 401. How can I be getting a 401 unauthorized and getting an access token back from the method call?????

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• Is there a WPF "WrapGrid" control available or an easy way to create one?

  - by Jason Coyne

  Essentially I want a wrapPanel, but I would like items to snap to a grid rather than be pressed up to the left, so I can get a nice uniform looking grid, that automatically consumes available space. WrapPanel handles the resize part. WPF.Contrib.AutoGrid handles a nice automatic grid. Anyone got a control that combines them? My use case is I have a series of somewhat irregularly shaped controls. I would like them to appear in nice columns so the wrap panel should snap to the next "tabstop" when placing a control

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