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• Best way to integrate StyleCop with TFS CI

  - by Slavo

  I've been doing research on how to enable source analysis for the project I'm working on and plan to use StyleCop. The setup I have is a TFS Server for source control, using TFS Continuous Integration. I want to enable source analysis for CI builds and daily builds run on the build machine, and not only for those run on developers' machines. Here's an article from the documentation of StyleCop that I read on the subject: http://blog.newagesolution.net/2008/07/how-to-use-stylecop-and-msbuild-and.html. It basically modifies the csproj file for the purpose. I've also read other opinions about how StyleCop should be integrated with build automation, which advise doing the same thing using build tasks: http://blog.newagesolution.net/2008/07/how-to-use-stylecop-and-msbuild-and.html http://freetodev.spaces.live.com/blog/cns!EC3C8F2028D842D5!400.entry. What are you opinions? Have you had similar projects and done something like this?

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• why are read only form fields in django a bad idea?

  - by jamida

  I've been looking for a way to create a read-only form field and every article I've found on the subject comes with a statement that "this is a bad idea". Now for an individual form, I can understand that there are other ways to solve the problem, but using a read only form field in a modelformset seems like a completely natural idea. Consider a teacher grade book application where the teacher would like to be able to enter all the students' (note the plural students) grades with a single SUBMIT. A modelformset could iterate over all the student-grades in such a way that the student name is read-only and the grade is the editable field. I like the power and convenience of the error checking and error reporting you get with a modelformset but leaving the student name editable in such a formset is crazy. Since the expert django consensus is that read-only form fields are a bad idea, I was wondering what the standard django best practice is for the example student-grade example above?

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• Consuming WebSphere service from WCF client: Unable to create AxisService from ServiceEndpointAddres

  - by JohnIdol

  I am consuming (or trying to consume) a WebSphere service from a WCF client (service reference + bindings generated through svcutil). Connection seems to be established successfully but I am getting the following error: CWWSS7200E: Unable to create AxisService from ServiceEndpointAddress [address] Rings any bell? I am guessing the request format is somehow being rejected by the service, I am sniffing it with fiddler and it looks fine overall (can post if ppl think it could help). Found this article, but it doesn't seem to apply to my case. Any help appreciated!

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• Can you use ScrollIntoView() with a PagedCollectionView in a Silverlight DataGrid?

  - by Simon

  Is it possible to scroll to a particular row (by object identity) in a Silverlight DataGrid that has an ItemsSource which is a PagedCollectionView. I am loading a list of orders that are grouped by day/status etc. I need to be able to scroll to a particular order. var pcv = new PagedCollectionView(e.Result.Orders); gridOrders.ItemsSource = pcv; Unfortunately ScrollIntoView(order) doesn't work because of the PagedCollectionView. An article on DataGrid from MSDN shows that it is possible to scroll to a group in a PagedCollectionView, but that's not really much use. foreach (CollectionViewGroup group in pcv.Groups) { dataGrid1.ScrollIntoView(group, null); dataGrid1.CollapseRowGroup(group, true); } Is there a way to do this ?

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• Latex "/indent" creating paragraph indentation / tabbing package requirement?

  - by Pareshkumar C. Brahmbhatt

  The Latex code provided below shows the usage of the command "\indent" as it appears in the document,but it does not produce the desired indentation within the document. Is there a specific package associated with the command "\indent" or "\="? I am asking for a step by step method of producing an indentation within a document for only one paragraph, regardless of location within the document. \documentclass[12pt]{article} \usepackage{graphicx} \topmargin -3.5cm \oddsidemargin -0.04cm \evensidemargin -0.04cm \textwidth 16.59cm \textheight 21.94cm \parskip 7.2pt \parindent 8pt \title{Physics} \author{Pareshkumar Brahmbhatt} \date{March 17, 2010} \begin{document} \maketitle \indent Now we are engaged in a great civil war. \end{document}

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• Using Data Annotations on POCO's with MVC for Remote Validation

  - by Click Ahead

  Hi All, I am developing an ASP.NET MVC app and I've been looking into using Data Annotations on my POCO's which are defined in my Service Layer. As long as I have a reference to System.ComponentModel & System.ComponentModel.DataAnnotations this is no problem and what I like about this is that it allows me to reuse my Service Layer in a Win Forms app. I'm now looking to do some Remote Validation using Data Annotations and have taken a look at this article: http://msdn.microsoft.com/en-us/library/ff398048(VS.100).aspx However, to use the Data Annotations in this context I need to reference System.Web.MVC, System.Web and System.Web.Routing. This introduces a dependency on the Web DLL's, which limits me somewhat. Can anyone recommend a good clean way to implement Remote Data Validation using Data Annotations that isn't coupled with ASP.NET MVC or maybe suggest a better alternative. Thanks for the help !

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• Using GoogleMaps with JXMapKit

  - by npinti

  I have been searching on the web to see if I can use GoogleMaps with the JXMapViewer. According to this, it is illegal, but the article is more than three years old. Could anyone be kind enough to tell me if I can use GoogleMaps with the JXMap viewer? I know that Google has recently allowed desktop applications to use their static maps provided that the application is freely accessible to people on some website. If this can be done, I would appreciate some pointer to where I could start looking so that I can use Google Maps, I tried messing around with this but to no avail. Thanks in advance. Edit: I have managed to show a map in my JXMapKit. The only problem is that I am getting the image as a tiled image, whilst I only need one. Any help on this issue?

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• ASP.NET MVC, Spring.NET, NHibernate initial setup/example/tutorial.

  - by Bubba88

  Hello! Have you been doing some ASP.NET MVC developement involving Spring.NET and NHibernate both? I would like to see an informative example of such setup, so I could build my own project off that. I tried googling, found some pretty things like S#arp Architecture, an article about regular ASP.NET (WebForms) integrated with the frameworks and so on. Still, I'm missing a good tutorial on ASP.NET MVC & the subj. P.S.: I do know how Spring and Hibernate works, I just need to plug them into an MVC application. Don't want to use S#arp Architecture by now. P.P.S: I'll update the links later, including this one:

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• Is it safe to delete the "ipch" folder - Precompiled headers?

  - by Jamie Keeling

  Hello, I was looking through the folder for an application I am working on and noticed the "ipch" folder, for my solution which has two small projects it weighs in at about 90mb+ in size. I have found an article discussing the use for the files and was wondering if they were safe to delete? It's for an assignment hand in and I would like to keep the electronic hand in as small as possible. If I were to delete the folder will the application remain in a safe and stable state? I apologise if this is a simple question, I have only just started using Visual Studio 2010. Thanks! Pre-Compiled Headers

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• Content Query Web Part - How do you OrderBy when you QueryOverride?

  - by Richard JP Le Guen

  How do you order items when you override the QueryOverride property of the Content Query Web Part? I have been given responsibility for a Web Part which extends the Content Query Web Part. The QueryOverride property of this Web Part is programmatically changed. Currently, the Web Part does not function as designed, as it does not order the items according to the appropriate field. If I add an <OrderBy> node to the QueryOverride property I get an error message along the lines of 'something wrong with the query this web part is...' and the Content Query Web Part doesn't seem to have an OrderBy property which I could use instead. The "QueryOverride property" part of this msdn article seems to suggest I should be able to add an <OrderBy> node to the QueryOverride but a number of web sites I've been reading suggest that this is not true. So, wow do you order items when you override the QueryOverride property of the Content Query Web Part?

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• LLBLGen - DeleteMulti

  - by Neil

  I have a checkboxlist of categories, during an update, I am trying to delete all the items in list from the associate table, then insert them all (so I don't have to determine if an item already exists in the associate table and only insert newly checked items). Here is the code I have: // First we need to delete the records from ArticleTopicCategory where articleId is the id of the article we are updating List<Guid> categoriesToDelete = new List<Guid>(); foreach (Guid category in this.View.SelectedCategories) { categoriesToDelete.Add(category); } ArticleTopicCategoryCollection articleCategories = new ArticleTopicCategoryCollection(); PredicateExpression filter = new PredicateExpression(ArticleTopicCategoryFields.Id == categoriesToDelete); articleCategories.DeleteMulti(filter); 'categoriesToDelete' holds a valid list of Guid's that need to be deleted, but they are not being deleted. Thanks in advance!

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• Please explain some of Paul Graham's points on LISP

  - by kunjaan

  I need some help understanding some of the points from Paul Graham's article http://www.paulgraham.com/diff.html A new concept of variables. In Lisp, all variables are effectively pointers. Values are what have types, not variables, and assigning or binding variables means copying pointers, not what they point to. A symbol type. Symbols differ from strings in that you can test equality by comparing a pointer. A notation for code using trees of symbols. The whole language always available. There is no real distinction between read-time, compile-time, and runtime. You can compile or run code while reading, read or run code while compiling, and read or compile code at runtime. What do these points mean How are they different in languages like C or Java? Do any other languages other than LISP family languages have any of these constructs now?

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• reservoir sampling problem: correctness of proof

  - by eSKay

  This MSDN article proves the correctness of Reservoir Sampling algorithm as follows: Base case is trivial. For the k+1st case, the probability a given element i with position <= k is in R is s/k. The probability i is replaced is the probability k+1st element is chosen multiplied by i being chosen to be replaced, which is: s/(k+1) * 1/s = 1/(k+1), and prob that i is not replaced is k/k+1. So any given element's probability of lasting after k+1 rounds is: (chosen in k steps, and not removed in k steps) = s/k * k/(k+1), which is s/(k+1). So, when k+1 = n, any element is present with probability s/n. about step 3: What are the k+1 rounds mentioned? What is chosen in k steps, and not removed in k steps? Why are we only calculating this probability for elements that were already in R after the first s steps?

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• boost spirit semantic action parameters

  - by lurscher

  Hi, in this article about boost spirit semantic actions it is mentioned that There are actually 2 more arguments being passed: the parser context and a reference to a boolean ‘hit’ parameter. The parser context is meaningful only if the semantic action is attached somewhere to the right hand side of a rule. We will see more information about this shortly. The boolean value can be set to false inside the semantic action invalidates the match in retrospective, making the parser fail. All fine, but i've been trying to find an example passing a function object as semantic action that uses the other parameters (parser context and hit boolean) but i haven't found any. I would love to see an example using regular functions or function objects, as i barely can grok the phoenix voodoo

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• .NET: How Do I Create File Icon Overlays

  - by Maxim Z.

  I'm trying to add different icon overlays over the icons of various files (note: not all the files of a certain type, just certain files). If you don't get what I mean, I'm referring to what programs like TortoiseSVN, TortoiseHG, Dropbox, etc. do. Can this be done in .NET? If so, how? I'm hoping there's a library out there for this. I found this CodeProject article about something like this, but it's not .NET. Thanks in advance.

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• why is there no interface file with silverlight enabled wcf services

  - by Ralph Shillington

  Using Visual Studio 2010 when creating a wcf service the template creates a class file, svc endpoint and an interface file. Why is it that when adding a silverlight-enabled wcf service they don't follow this pattern. As discussed here this seems like a bad idea. After adding the silverlight-enabled service, should one go back and incorporate the interface as discussed in the referenced article. If so, then would it not be as simple to start with a simple WCF service, bypassing the whole "silverlight-enabled" bits altogether.

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• C# Secure Sockets (SSL)

  - by Matthias Vance

  LS, I was planning on writing a wrapper around the System.Net.Sockets.Socket class, because I didn't feel like using the SSLStream class because I wanted to maintain backwards compatibility with other programs. I found an article which does exactly what I want, but on Windows Mobile. (Link: Enable SSL for managed socket on windows mobile) Quote: My first surprise was that SetSocketOption takes a SocketOptionName enum value as the second parameter, but this enum doesn’t have the equivalent of SO_SECURE. However, C# was nice enough to let me cast an arbitrary integer value to the enum I needed. I tried to do the same, but it doesn't work. Code: private const ushort SO_SECURE = 0x2001; private const ushort SO_SEC_SSL = 0x2004; this.SetSocketOption(SocketOptionLevel.Socket, (SocketOptionName) SO_SECURE, SO_SEC_SSL); Error: An unknown, invalid, or unsupported option or level was specified in a getsockopt or setsockopt call Is there a way to work around this? Kind regards, Matthias Vance

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• Good examples of MVVM Template

  - by jwarzech

  I am currently working with the Microsoft MVVM template and find the lack of detailed examples frustrating. The included ContactBook example shows very little Command handling and the only other example I've found is from an MSDN Magazine article where the concepts are similar but uses a slightly different approach and still lack in any complexity. Are there any decent MVVM examples that at least show basic CRUD operations and dialog/content switching? Everyone's suggestions were really useful and I will start compiling a list of good resources Frameworks/Templates WPF Model-View-ViewModel Toolkit MVVM Light Toolkit Prism Caliburn Cinch Useful Articles Data Validation in .NET 3.5 Using a ViewModel to Provide Meaningful Validation Error Messages Action based ViewModel and Model validation Dialogs Command Bindings in MVVM More than just MVC for WPF MVVM + Mediator Example Application Additional Libraries WPF Disciples' improved Mediator Pattern implementation(I highly recommend this for applications that have more complex navigation)

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• Is it correct to say that an ASP .NET MVC application is an HTTPModule?

  - by stormwild

  I just wanted to clarify my understanding of ASP .NET MVC (current version is 4). I was reading this article on How does ASP.NET MVC work? So, how does ASP.NET know how to route requests to MVC? The answer lies in web.config. There is a new http module added to modules collection in ASP.NET MVC projects So basically an mvc application is implemented as an HTTPModule or at least the url routing portion of an mvc app? Would it be possible for one to create and register a custom routing module and then possibly create their own micro mvc framework like Sinatra in Ruby or Slim in PHP?

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• Urlrewriting.net pages are not causing postbacks

  - by Nick

  I'm using webforms with UrlRewriting.Net to rewrite pages, e.g. http://www.example.com/stuff.aspx?c=30 becomes http://www.example.com/stuff/30-this-stuff.aspx. It works in so far as the correct content is loading; however, none of the postbacks are working (mostly buttons on the page). If I set up a breakpoint on Page_Load, I see that IsPostBack is always false. Any ideas on how to fix this? Right now I'm just on Visual Studio 2008. EDIT: I have since switched to UrlRewriter.Net, which worked after a few tweaks (see Scott Gu's article). Besides here, I have posted my original problem to the developer's forum: if I ever get an answer, I'll post it here (unless else posts it here first).

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• CSS positioning breaks in Safari

  - by user298638

  Hi all, i have a website in which i am trying to position (using CSS) a certain on the page. the is absolutely positioned and is located inside a relatively positioned paernt . on firefox and even IE it looks ok but on Safari, things get messy and it shows 5 pixels lower than it should. i have tried to figure out for days now what is wrong there but cannot seem to see it. you can find an example link to the problematic page here: http://yaronattar.com/index.php?option=com_content&view=article&id=117:the-new-lovers-2010&catid=51:the-new-lovers-2010&Itemid=242 the problematic is the one conaining the "previous/next" navigation at the bottom right corner of the page. anyone sees what is causing the trouble here? thanks

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• IoC with AutoMapper Profile using Autofac

  - by DownChapel

  I have been using AutoMapper for some time now. I have a profile setup like so: public class ViewModelAutoMapperConfiguration : Profile { protected override string ProfileName { get { return "ViewModel"; } } protected override void Configure() { AddFormatter<HtmlEncoderFormatter>(); CreateMap<IUser, UserViewModel>(); } } I add this to the mapper using the following call: Mapper.Initialize(x => x.AddProfile<ViewModelAutoMapperConfiguration>()); However, I now want to pass a dependency into the ViewModelAutoMapperConfiguration constructor using IoC. I am using Autofac. I have been reading through the article here: http://www.lostechies.com/blogs/jimmy_bogard/archive/2009/05/11/automapper-and-ioc.aspx but I can't see how this would work with Profiles. Any ideas? Thanks

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• How To Export to JNLP in Eclipse

  - by dimo414

  I watched today as someone painlessly exported a NetBeans java project to a JNLP file and HTML file that he could just copy to his web server. I, for whatever reason, have found making JNLPs someone challenging, and would love if I could do the same in Eclipse, but I can't seem to find such a function or a plugin which does this. The only thing I've found is this article but I can't really parse it, it's a bit dense to me, for instance it mentions: Ensure that the org.eclipse.equinox.launcher plug-in is in the feature or in one of the included feature; But if that's even a grammatical sentence, I don't know how to ensure what it says.

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• IE dropdown z-index bug

  - by Justine

  I'm having a problem with a dropdown menu under IE (6 and 7). http://www.amaconsulting.pl/promocje.html As you can see, the dropdown hides behind the main content area in IE. It's a known bug and general advice is to set a z-index for header and content areas, so IE knows their "place", explained in the article here: http://bit.ly/coSPcI I've set the z-index of .header div to 20 and .featured, .content, .primary, .main to 1, trying to find the right div to fix the problem. While the dropdown stopped hiding behind the .featured div, it still hides behind the main content divs (either .primary or .main, .secondary is fine). The z-indexes for these divs are set in a separate stylesheet, ie.css, in case someone'll be looking for them. If someone could provide some advice, I'd be very grateful.

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• Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly

  - by David Gardiner

  A .NET 3.5 solution ended up with this warning when compiling with msbuild. Sometimes NDepend might help out but in this case it didn't give any further details. Like Bob I ended up having to resort to opening each assembly in ILDASM until I found the one that was referencing an older version of the dependant assembly. I did try using MSBUILD from VS 2010 Beta 2 (as the Connect article indicated this was fixed in the next version of the CLR) but that didn't provide any more detail either (maybe fixed post Beta 2) Is there a better (more automated) approach?

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