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• should/could i use ruby-on-rails 3 for my next project?

  - by fayer

  im new to ruby and ruby on rails. im on a new project and would really like to code in ruby. of course u have to use a framework like RoR for web development. so my question is if i should/could use ruby-on-rails 3 for this new project that i will start with in 2-3 weeks from now. are there tutorials for it? is it stable enough? well tested? cause one thing when entering something totally new, you need tutorials and books that teach you how to use it. i guess there arent a lot of sources for this information so maybe its better for me to use the latest stable version? what do you think? thanks

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• trying to decide between asp.net and jsp

  - by Amir

  Hey Guys, I am wondering if anyone can shed some lights on the situation. I am about to start a project and trying to figure out what solution is best to go with asp.net or java jsp pages I have personally worked alot with .net and am really happy with the framework and Visual studio as IDE I find it easy to work with and there is a massive community support behind .net, i can get alot done quickly I have not every written anything use java jsp, there will be a learning curve here , so my experience is limited here. however after seeing jira i am very impressed with its capabilities, it has changed alot since the old days ( java 1.2 ) that i used to work with, and the fact that it runs under linux is a huge plus, so i am trying to decide is the learning curve, worth the price ? so given the situation above what would you recommended? Thanks, Amir

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• Reading Local Group Policy / Active Directory Settings

  - by Shinobi

  I'm writing a C# program that will enforce password complexity in accordance with the Windows Group Policy setting "Password must meet complexity requirements". Specifically, if that policy is set to Enabled either on the local machine (if it's not part of a domain) or by the Domain Security Policy (for domain members), then my software needs to enforce a complex password for its own internal security. The issue is that I can't figure out how to read that GPO setting. Google searches have indicated that I can read GPO settings with one of these two APIs: the System.DirectoryServices library in .NET Framework, and Windows Management Instrumentation (WMI), but I haven't had any success so far. Any insights would be helpful.

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• Async actions inside Silverlight Method - returning the value

  - by tyndall

  What is the proper way to call an Async framework component - wait for an answer and then return the value. AKA contain the entire request/response in a single method. Example code: public class Experiment { public Experiment() { } public string GetSomeString() { WebClient wc = new WebClient(); wc.DownloadStringCompleted += new DownloadStringCompletedEventHandler(wc_DownloadStringCompleted); Uri u = new Uri("http://news.google.com/news?pz=1&cf=all&ned=us&hl=en&topic=t&output=rss"); wc.DownloadStringAsync(u); return "the news RSS from Google"; } private void wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e) { //don't really see how this callback method makes it able // to return the answer I'm looking for on the return // statement in the method above. } } MORE INFO: The reason I'm asking this that I have a project I'm working on where I'd like JavaScript code in the browser to use Silverlight like a Facade/Proxy to Web services and complex calculations & operations. I'd like to make the calls to the [ScriptableMembers] in Silvelight synchronously. I don't want Silverlight to callback into the browser's JavaScript

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• Flex - How to call a webservice without crossdomain.xml file

  - by Stephane Grenier

  How can I consume a webservice that hasn't explicitely created a crossdomain.xml? I understand it's for security and to prevent cross-site scripting, but it does seem like a major limitation to the Flex framework. For example, if I want to consume a webservice, which is suppose to be language agnostic, then I can't with Flex. The webservice/server has to be specifically prepared for Flex/Flash. If it's not, then it cannot be consumed. That can't be right can it?

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• Convert IEnumerable<dynamic> to JsonArray

  - by Burt

  I am selecting an IEnumerable<dynamic> from the database using Rob Conery's Massive framework. The structure comes back in a flat format Poco C#. I need to transform the data and output it to a Json array (format show at bottom). I thought I could do the transform using linq (my unsuccessful effort is shown below): using System.Collections.Generic; using System.Json; using System.Linq; using System.ServiceModel.Web; .... IEnumerable<dynamic> list = _repository.All("", "", 0).ToList(); JsonArray returnValue = from item in list select new JsonObject() { Name = item.Test, Data = new dyamic(){...}... }; Here is the Json I am trying to generate: [ { "id": "1", "title": "Data Title", "data": [ { "column1 name": "the value", "column2 name": "the value", "column3 name": "", "column4 name": "the value" } ] }, { "id": "2", "title": "Data Title", "data": [ { "column1 name": "the value", "column2 name": "the value", "column3 name": "the value", "column4 name": "the value" } ] } ]

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• Navigate to the Same Page After Action in JSF 2

  - by shipmaster

  I have a component done in JSF 1.x, this component has a command button as follows <h:commandButton ... action="#{templateController.next}" /> Where templateController was passed as an EL binding and can be any object that implements a certain interface. The generic implementation of next() was just executing code and then returning an empty string causing the same page to refresh: public String next() { ..... return ""; } Now I am trying to port that component to JSF 2, my problem is that an empty string doesn't cause the same page to refresh anymore, instead, the framework tries to redirect to a page called ".jsf" i.e it just appends .jsf to whatever the outcome is. My question is how to return an outcome that causes the current page to refresh. My component is generic and I don't know before hand the name of the page it is going to be used on. Thanks

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• Spring roo Vs (Wicket and Spring)

  - by Ketan Khairnar

  Spring roo is new framework and I found it very interesting. I have been working on web application for last 3-4 years and Always found JSPs are hard to maintain across teams if everyone is not disciplined enough about separation of markup and serverside logic. I have used JackBe/BackBase in last projects and I enjoyed xml templates working as views. This was much better than JSPs. But I couldnt automate webtests through selenium for backbase. I would be surely using Spring MVC (-view), Hibernate on the backend. I found Wicket as good alternative. Have you used wicket along with Spring and what was your experience?

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• ASP.NET MVC 2.0 RTM cannot work with VWD 2008 Express on a new Windows 7 Pro

  - by silent

  The MVC 2.0 RTM works great on my old Vista computer with VWD 2008 Express, but I just bought a new computer with Windows 7 Pro, I installed VWD 2008 Express SP1 and MVC 2.0 RTM by using Web PI 2.0. but after installation, I found the VWD doesn't have any MVC options, that means I can't either create new MVC projects or compile existing MVC projects. Why? What other steps I need to do to make it work? I'm sure the MVC has been installed properly since my MVC site on the new computer works well (so the IIS side has no problem), just the VWD can't 'realize' that the MVC framework is already installed... (tried to uninstall and install many times, and I also tried to install MVC separately without Web PI, but it just won't work)

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• How to reset ASP.NET MVC client validation mode?

  - by Morten Christiansen

  I'm having a bit of trouble with the client-side validation in the ASP.NET MVC 2 framework and hope someone can help me out. In several situations I find it useful to be able to reset the contents of a form or just a single input element and I need any validation errors to disappear. This in itself is not very hard, and the suggestion provided here works well enough: http://stackoverflow.com/questions/2798427/how-do-i-clear-mvc-client-side-validation-errors-when-a-cancel-button-is-clicked The problem is that, when triggered, client validation goes into an aggressive mode that performs validation on each key press and when an input loses focus. Is there a good way to reset this state as well?

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• Upgrading Visual Studio 2010 RC to RTM

  - by Brant Bobby

  I have the RC build of VS2010 installed on my computer. Now that the RTM build is out, I want to upgrade. Aside from the main Visual Studio package and .NET Framework 4, what else should I remove before I install the RTM build in order to minimize potential breakage/conflicts? VS2010 installs a whole bunch of ancillary packages and I'm not sure which ones have been upgraded between RC and RTM. (Extra credit: I've got another machine that is still running Beta 2. Would the procedure be the same?)

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• ASP.NET MVC - Custom validation message for value types

  - by Giovanni Galbo

  When I use UpdateModel or TryUpdateModel, the MVC framework is smart enough to know if you are trying to pass in a null into a value type (e.g. the user forgets to fill out the required Birth Day field) . Unfortunately, I don't know how to override the default message, "A value is required." in the summary into something more meaningful ("Please enter in your Birth Day"). There has to be a way of doing this (without writing too much work-around code), but I can't find it. Any help? EDIT Also, I guess this would also be an issue for invalid conversions, e.g. BirthDay = "Hello".

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• What's the best JSF implementation?

  - by Jeff

  Hey everyone, I currently have a medium size Java web application sitting on top of Spring MVC. As much as I like (no sarcasm) coding straight HTML, CSS and JS, it's not possible for me to develop as fast as I'd like. I'm looking at different RAD frameworks to speed up my development. I'm looking at JSF implementations and component libraries, Flex, GWT and a few others. As of now, Apache MyFaces (with ICEFaces) seems to be the front runner in my mind, but I'm curious to find out what you all think of that specific implementation and if the Sun implementation is any better? What's important to me is something that is stable, has an active community and that it doesn't look like there is another technology in the near future that is going to eclipse JSF (which would drive me to use a different RAD framework). Thanks in advance for the responses.

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• VS2008 Setup Project for C# Project

  - by xopht

  I've built app using wmp.dll which is Windows System File in my XP machine. If I tried add outputs of above project to my Setup Project, VS warned that ''wmp.dll' should be excluded because its source file 'C:\WINDOWS\system32\wmp.dll' is under Windows System File Protection'. There're three things under 'Detected Dependencies' folder. Microsoft .NET Framework, Interop.WMPLib.dll and wmp.dll. The app works okay in my machine, of course. But if I install this into Windows Server 2003 machine, the app does not be launched. I think this is because different version of OS use different version of wmp.dll. Anyway, how can I fix this? ps. I've even excluded wmp.dll from the Setup Project.

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• MFC SDI Application without a default "New Document" on Startup

  - by Jd

  My application is an SDI with multiple views. By default, it creates a new document when the application starts. I want to modify this behavior so that a new document is created only when user explicitly clicks on "New". Or at least mimic this behavior. Any ideas? I am using Visual Studio 2008 with MFC feature pack. I googled and found some solution to this problem in an old MS Journal article. But unfortunately it doesn't seem to work now. Any workarounds or solutions? In short, I need to differentiate between framework call to OnFileNew() and User Click on New.

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• Yii include PHP Excel

  - by Anton Sementsov

  Im trying include PHPExcel lib to Yii, put PHPExcel.php in root of extensions, near PHPExcel folder and added that code into config/main.php // application components 'components'=>array( 'excel'=>array( 'class'=>'application.extensions.PHPExcel', ), modify /protected/extensions/PHPExcel/Autoloader.php public static function Register() { $functions = spl_autoload_functions(); foreach($functions as $function) spl_autoload_unregister($function); $functions=array_merge(array(array('PHPExcel_Autoloader', 'Load')), $functions); foreach($functions as $function) $x = spl_autoload_register($function); return $x; }// function Register() Then, trying create PHPExcel object $objPHPExcel = new PHPExcel(); but have an error: include(PHPExcel.php) [<a href='function.include'>function.include</a>]: failed to open stream: No such file or directory in Z:\home\yii.local\www\framework\YiiBase.php(418)

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• Available iPhone Web Application JavaScript UI Library/Frameworks

  - by methym

  I'm starting a web application that will target Mobile Safari on iPhone/iPod Touch. I'm evaluating the available client-side JavaScript/CSS libraries/frameworks that are currently out there. These are the ones I'm currenlty aware of: iUI CiUI UiUIKit WebApp.Net iWebKit Apple's Dashcode Application - not really a standalone library/framework, but it provides/generates JavaScript, CSS, and images that conform to the native iPhone UI metaphors. Are there any others out there? I want to make sure I'm not missing any before I make a decision. I'm only looking for client-side JavaScript/CSS solutions and building one from scratch isn't an option because of time constraints. No server-side PHP, Ruby, Python, Java, etc. solutions. I am aware of the iPhone web applications, templates, frameworks? question that was asked, but this only mentioned iUI and UiUIKit. Thank you

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• How to set WCF threads to schedual differently

  - by Gilad

  Hi, I'm running a winservice that has 2 main objectives. Execute/Handle exposed webmethods. Run Inner processes that consume allot of CPU. The problem is that when I execute many inner processes |(as tasks) that are queued to the threadpool or taskpool, the execution of the webmethods takes much more time as WCF also queues its executions to the same threadpool. This even happens when setting the inner processes task priority to lowest and setting the webmethods thread priority to heights. I hoped that Framework 4.0 would improve this, and they have, but still it takes quite allot of time for the system to handle the WCF queued tasks if the CPU is handling other inner tasks. Is it possible to change the Threadpool that WCF uses to a different one? Is it possible to manually change the task queue (global task queue, local task queue). Is it possible to manually handle 2 task queues that behave differently ? Any help in the subject would be appropriated. Gilad.

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• Cross domain cookie reading/setting cross browsers

  - by Rac123

  I know there are already a few threads available here on this subject but I want others' opinion on this. There are two ways to set/read the cross domain cookies: Creating IFrame on A.com pointing to a page on B.com which creates the cookie and pass that information by creating another IFrame on B.com side pointing to A.com, either using window.name or in location.href.hash A.com page makes a XHR/JSONP call to B.com web service/page that has the following headers and it also sets up the cookie and returns the value. AddHeader("p3p", "CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\"") As we don't have postMessage available across all the browsers, I believe we have to go with one of the cases mentioned above. My question is which is a better way (cleaner) and why to implement for cross browser. Using any other JS framework is out of scope of this discussion. If there's another better way, please mention here! Thank you for your intelligent input in advance! :)

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• What's the shebang in Facebook URLs for?

  - by BoltClock

  I've just noticed that the long, convoluted Facebook URLs that we're used to now look like this: http://www.facebook.com/example.profile#!/pages/Some-Other-Page/123456789012345 As far as I can recall, earlier this year it was just a normal URL-fragment-like string (starting with #), without the exclamation mark. But now it's a shebang (#!), which I've previously only seen in shell scripts and Perl scripts. Does #! now play some special role in URLs, like for a certain Ajax framework or something since Facebook's interface is now largely Ajaxified? Or is it for some other purpose?

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• How to do logout functionality in C# window application?

  - by Shailesh Jaiswal

  I am developng Smart device application in C#. It is a window application. In this application I am using Login form to authenticate the users. Only authenticated users can login into the system. I using statc variables in this application so that they can be used at application level. After deploying the application I can see that emulator provides the close button with multiplicaton symbol. In this way I can close my form as well as application. But I want to provde one logout link in my application. Can I provide logout functionality in C# window applicain ? If yes, how to do that ? Please make sure that all the functions of .net framework does not work with .net compact framwork? Can you provide me the code or link through which can resolve the above issue ?

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• SQL Server 2008 Express doesn't see my Visual Studio 2008 Team System's SP1

  - by Kamilos

  Hi, I want to install SQL Server 2008 express. I have already Visual Studio 2008 Team System with SP1. VS in help about shows me: MVS version: 9.0.30729.1 SP .NET Framework version: 3.5 SP1 but installator of SQL Server shows me that Visual Studio doesn't have SP1. Anyway I tricked up him by change in win registry HKLM Software Microsoft DevDiv VS Servicing 9.0 IDE 1033 value from RTM on SP1 and instalation runs. But during instalation error was occured about SP1 again. SQL Server was installed without SQL Managment. When I try install it I have allways the same error about SP1. I was install SP1 couple times with success but it does nothing. I was instal SQL Server SP1 also but it does nothing. Reinstall of VS 2008 and SP1 does nothing. What can I do? Thanks for any help, Kamilos

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• ASP.NET MVC Binding issue

  - by user295541

  Hi, I have an object with a property called "name". This object has a sub object that has a property called "name" as well. Transaction.name Transaction.TransactionItem TransactionItem.name I bind Transaction object to a partial control as usual: Html.TextBox("name", Model.name)% Model is a Transaction object. And I bind TransactionItems: < if (Model.mtTransactionItem != null) { foreach (var item in Model.mtTransactionItem) { % <%= Ajax.ActionLink(item.name, "ShowItem", new { id = item.id }, new AjaxOptions { UpdateTargetId = "dialog-form" })% And when I update the one of the transaction items through an ajax call I pass the entire transaction object to the partial view. When I debug I check the Model.name property, and it has a proper value. But on the page shows the name of TransactionItem value instead of the name of Transaction value. What do I do wrong? I have checked this problem in MVC 1.0 and MVC 2.0 framework.

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• In Facebook: How to get User's list_ of_friends_ ID when User is offline[not Sign In].

  - by Vaibhav Bhalke

  Hi All In Facebook: How to get User's list_ of_friends_ ID when User is offline[not Sign In]. We are Integrating facebook application in our website.Our website development in Java's GWT[Googlw Web Toolkit] FrameWork. We are refering "Gwittit" sample codeWe open facebook account for our website and want to show all users[friends] photo conected to Website's FACEBOOK account when FB A/C is offline [not sign in]. We have used apiclient.getFriendList() in that we get list of all user id [with photo]connected to Our website's fb a/c.But Problem is that we have to sign in first and we don't want that Is there any way to solve this problem?

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• C# .Net file in use issue

  - by Dan

  I'm having an issue opening files that have recently been closed by the .Net framework. Basically, what happens is the following: -Read in an XML file using DataSet.ReadXml() -Make some changes to the data -Write out the XML file using DataSet.WriteXml() -Copy the XML file to a new location using File.Copy -FTP the file using a custom control This sequence can intermittently fail either after the WriteXML or the File.Copy with a file in use exception. I'm guessing it could be the Windows write cache not flushing right away. Can anyone confirm that this could be causing my issue? Any solutions to suggest? Thanks, Dan

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